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Boston (BOS)
Lambert-St Louis
Tue. 11.5
Tue. 18.5
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Low season

MayBest time to beat the crowds (6% less expensive on average)

High season

DecemberMost popular time to fly (18% more expensive on average)

Average price (return flight)

$1,805(avg. price over the last 2 weeks)

Good deal (return flight)

$970or less

Good deal one-way

$1,151or less

Top tips for finding cheap flights to St. Louis

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  • High season is considered to be January, November and December. The cheapest month to fly to St. Louis is March.
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest St. Louis flight deals.

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Top 3 airlines flying to Lambert-St Louis

Scores according to KAYAK customer reviews

8.3
Qatar Airways
Overall score based on 10,972 reviews
8.3
Boarding
8.2
Comfort
8.6
Crew
8.3
Entertainment
8.0
Food
Airline reviews

Pros: "The crew is very friendly and helpfu; the space between seats is noticeably larger than usual"

Pros: "The crew were welcoming and accommodating, whether you wanted to sleep or to watch entertainment or eat/drink."

Cons: "Heating and serving food in plastic containers."

Cons: "Food from New York to doha was average. Doha to Karachi excellent. Over all it was excellent experience. People on the ground at doha airport was exceptional. Very courteous and ready to go serve. This is what I call real service."

Cons: "Qatar’s food is great! Feels like five star dining. Attendants are helpful and friendly."

Pros: "Great crew!!!"
Cons: "Nothing"

Pros: "The crew was nice but never got the menu."
Cons: "The crew was amazing and delightful but should provide food to kids first before even those special diet or vegetarians."

Cons: "Headphones- only one channel."

Cons: "Entertainment on the Boeing 777 suffered from access problems"

Pros: "The 2 trips were fantastic. From checking in to getting off the aircraft, service was a-okay."
Cons: "No comment."

Pros: "Awesome leg room in economy. Helpful staff."
Cons: "Main courses weren’t all the great."

Pros: "Flight was 80% empty, but it was amazing anyway, slept through most of it"
Cons: "Staff constantly woke me up for snacks and drinks, which is good on one hand but I was sleeping so deep that it was a bit annoying."

Pros: "Everything was good - food, entertainment, on time."

Pros: "I had never heard of Qatar Airways before I booked a 24hr flight to and from Sydney, Australia. I only did this on the suggestion from a friend that stated Qatar Airways was "alright". So for the price I thought what the heck! I was extremely pleased with the service from the cabin crew. They are always polite, professional, and well trained compared to my previous favorites Delta and Lufthansa. The seats were comfortable (as comfortable as Economy and 24hours of flying can be), the entertainment and aircraft were state of the art, and the food was outstanding for airline food. If I get the chance in the future I will definitely choose Qatar Airways for long trips."
Cons: "Other rude or snotty passengers taking up the crews time and attention for no reason. But as I stated in the "positive" side of this review, the crew handled these impolite individuals with a smile and polite attitude. Kudos to Qatar Airways."

Pros: "Good staff and service"

Pros: "Flight services"
Cons: "We were supposed to fly on 04/04/18 but our Flight was cancelled due to technical problem"

Pros: "All good thank you + food and crew and entertainment"
Cons: "All good thanks"

Pros: "Excellent service..!"

Pros: "Service, crew, food"
Cons: "Seats are small"

Pros: "Very affordable flights, good value for money. Most of the journey from Sydney to Oslo (via Doha) went qiluite smoothly)."
Cons: "The only thing I didn’t like about the experience was the fact that you can only check in one piece of luggage on economy class, and one very sour individual at the gate when boarding."

Pros: "quick eficient"
Cons: "long flight"

Pros: "Crew were great and sincere"
Cons: "Qatar gave problems changing flight for emergency purpose and had produced all documents but they wanted further documentation which could not have access because at,a foreign country. Felt they don't care and it was all to do with money which had to pay."

Cons: "Business class luggage came late."

Cons: "I’m a 6’3” in shape man. I selected the bulkhead seats for extra leg room. Great crew, but my shoulders stuck past the seat edge 3” on both sides."

Cons: "My personal stuff been stolen in airports"

Pros: "Boarding was quick and I liked that they didn’t make many announcements which can often keep passengers awake when they’re trying to sleep. Lights were kept off for the duration of the 14 hour flight which was good."
Cons: "I felt that the service was slow and the food was poor. Water was not offered during the flight as is the norm with other airlines. Toilets should be cleaned more regularly. Advertising at the beginning of the inflight entertainment became very repetitive when watching short tv shows."

Cons: "Few selection of food."

Cons: "the wifi was average at best. I get that we there are limitations...but if the service is going to be this poor, make it free & unlimited."

Pros: "The flight attendents were chilled. Very friendly and accommodating."
Cons: "The food is much tastier in business class. Used to be better in economy, but that has changed."

Pros: "All the stewards were so friendly and helpful. The facilities were very well serviced and so you forget that the plane was 100% full, despite long queues to the toilets. I would fly again with Qatar Air for sure."

Pros: "Smoothe landing"
Cons: "Old plane, some kind of tablet thing with an attached remote almost impossible to figure out even how it works. 7hr flight and I only saw the steward twice."

Pros: "Okay"
Cons: "Okay"

Cons: "The customer service is terrible. They refused to accommodate me for a 19 hour layover with a complimentary airport hotel stay, claiming there was an earlier flight--that was still 12 hours away, that I would have to pay to book anyway. Pure scam to get you to pay to upgrade your flight, pay for hotel or be condemned to stay in there airport for a whole day. Never ever again! Don't fly them!"

Pros: "Very helpful staff both ways, an experience that we rarely see in major airlines these days. We will definitely fly Qatar airways again."

Cons: "Front row with a toddler meant that we couldn't lift the armrests up and get her to lay down. She had to lie on the floor, but when we hit some turbulence, we had to wake her and sit her back up with us. The second part of the leg was much better as we were on a normal row seat"

Cons: "Luggage items are missing."

Pros: "Timely response on the phone."
Cons: "Timely response on the phone."

Cons: "Poor communication about transfers. I also had to throw away 20 pounds of things or get charge $800"

Pros: "Good service, plenty of entertainment options, modern aircraft."

Pros: "Seat arrangements excellent Crews nice"
Cons: "Very disappointed about quality and frequently of food offered"

Cons: "Boarding in India is never smooth, no difference here"

Pros: "I can understand what kind of flight it was because it was a small plane"
Cons: "Bad smells and an old plane i hope you will change the plane to another better one"

Pros: "Staff was very friendly and food was very good."
Cons: "Older plane, TV screens in the ceiling, only bathrooms at the rear of the plane."

Cons: "Food was below average Could have been better for elderly people.. Boarding: No wheel chair assist. asked for 2 wheel chair assist - for myself and my spouse..but got for only one.had to wait till last min at boarding where tickets where issued as no one was available..hurried in last min to security gate."

Pros: "Overall - Flight was good."
Cons: "Food quality should be improved. Most of the staff were very courteous, except on two minor request. I guess the stewardess was a little stress due a very demanding passenger, but should not be reflected to other customers."

Pros: "Very comfortable, great staff, entertainment options were huge! New aircrafts with comfort in mind."

Pros: "Crew Boarding"
Cons: "Food Not so comfy"

Pros: "The crew was great, trully world class service"

Pros: "Absolutely nothing!!!!!"
Cons: "Again, our flight was cancelled without notification!!!!!"

Pros: "If I could choose my seat"

Pros: "Gate side crew was amazing in providing repeated delay updates."
Cons: "6:34 flight was delayed until 1:00 am due to not having a pilot. No weather issues just no pilot, poor staffing. Unacceptable."

Cons: "Seat space"

Cons: "Delayed three hours with no communication or compensation. Poor customer service"

Cons: "Better communication about handicap persons. I called twice and notified two people about my mom and her wheelchair but no one tells the gate to put a ramp up to the regional jet on the tarmac. Three ring circus as usual ."

Pros: "Arrived early. Friendly pilot."
Cons: "Attendant did not offer snack choice."

Pros: "Service was good"
Cons: "Nothing"

Pros: "The legroom."
Cons: "There was nothing not to like."

Pros: "Friendly and attentive crew. On time."

Pros: "Perfect!"

Cons: "6 hour mechanical delay"

Cons: "I’m not sure how this flight was as I missed it due to a delay from YYZ to ORD"

Pros: "Very attentative crew"
Cons: "Charging for WiFi"

Pros: "My flight was fine - I paid for a Premium Seat, which also allowed me a premium boarding position, which I highly recommend for anyone flying. The seat was comfortable, the staff was very friendly and I really liked the in-flight entertainment."
Cons: "At the DFW security post for my gate, there was NO TSA-pre. That service stops at 7pm. I would think at a major airport like DFW where American Airlines has a hub, they would make sure to staff that longer. Just getting to keep my shoes on, while having to drag all my electronics and liquids out, take my coat and belt off, etc. is not acceptable. AA should put the pressure on DFW to treat their customers better!"

Pros: "Flight was pleasant and all the crew members were courteous."

Pros: "Great pilot. Outstanding control over the plane. Arrived an hour and a half before originally forecasted three days prior."

Cons: "F/a’s are haphazard and disinterested in their customers. Below average experience."

Cons: "Flight was delayed almost two hours due to crew staffing issues."

Cons: "It was nice. And boarding was good too."

Cons: "the fly got delayed for more than 3 hours."

Pros: "The business class cabin is one of the best in the business with a great seat and onboard product. The food was good and the snack bar is great for when you need something mid-flight. American has one of the best selections of inflight entertainment with tons of movies and TV shows available for their long-haul flights."
Cons: "Boarding at Sydney International Airport was a bit of a chore. There is a pre-screening area where they check passports and boarding passes prior to reaching the gate. People are randomly selected for secondary screening. Give yourself extra time to board."

Pros: "It was easy to travel"

Cons: "Too many delays. Having to de-board after boarding."

Cons: "Cabin crew seem frustrated and don't like the work"

Pros: "The middle seat was empty I had an aisle seat. That was wonderful."
Cons: "No wifi screens for books or movies but I had my iPhone."

Pros: "Easy and customer service at lax was awesome and very helpful!!!"
Cons: "The 45 minute bag time that's it may or may not be able to go 45 mins within boarding ."

Pros: "On time"
Cons: "Boarding numbers"

Pros: "My neighbor."
Cons: "We sat on the tarmac for over an hour for no apparent reason."

Cons: "I nearly missed my flight because I did not have a seat for a flight that I bought a ticket for at full price. Which, would lead one to believe that I would have a seat on said flight. However, coming to the gate an hour before boarding the personnel working gate the said he was having computer difficulties and could not get me a seat and it would be 10 min. I continued to return till boarding to find out I had no seat and I was on standby. Upon going to customer service they replied the airline oversold tickets and every airline does this as if to make this practice ok. Well being in sales myself and if I were to sell x amount of product to one customer ( or several) I better make sure I have it all there to deliver. People rely on you schedule wise. It nearly shot a meeting I had to make in the foot. Very disappointed with the airline and the way things were handled."

Cons: "Forced to check my carry on. Took 30min for the bags to come out on the carousel. Which is why i never check my bag."

Pros: "Speedy boarding"
Cons: "Unmotivated crew, uncomfortable seats."

Pros: "My wife and I have flown on many airlines. This was one of our best experiences. All the staff that we came across were ridiculously helpful and very understanding. Despite us getting held up in traffic and running quite late, staff members of both American Airlines and Qantas were extremely calming and reassuring the whole way through. Flight was extremely comfortable and entertainment was fantastic. Made the trip really easy."
Cons: "Food wasn't the greatest. Barely touched the breakfast and dinner meal. Supposedly the flight had free wifi, but I honestly couldn't eat that to work for me."

Pros: "very friendly staff"

Pros: "The guy at the initial ticket counter was wonderful and took his time addressing my needs."

Pros: "Nothing to expect from Domestic fight."

Cons: "Boarding was chaotic, with people sitting in wrong seats and walking the wrong way down the plane. Crew were not especially friendly. I know it was at the tail end of a long Sunday, but it wasn't impressive."

Pros: "Plane was ancient"

Pros: "Entertainment, 110 plugins for devices, internet."
Cons: "only free meal option was cinnamon cookies."

Pros: "I loved the Qantas plane that took us from LAX to Sudney. It was so quiet and smooth, and each seat in coach had very slight improvements , such as a head rest that moved, and cushions that atually felt comfortable. I think it was a new Dreamliner or something similar. AA should use these."

Pros: "overall best airline I flew, steve"

Pros: "Flight crew was fantastic. Pilot did a superb job. Whole flight was like sliding on glass."

Pros: "Flight was on time. Plane was clean. Staff very professional."

Pros: "Most of the flight attendants were cheerful and helpful."
Cons: "One flight attendant may have been under the weather - not cheerful nor helpful."

Pros: "It took off on time and life was good."

Pros: "me and my wife, enjoyed the flight. flight crew served very very well."
Cons: "no complaint so far."

Pros: "Food was good"
Cons: "American Airlines gave away my upgraded seat that I paid for. Eventually gave a refund, but was unapologetic."

Cons: "The Flight Attendant never gave me back my credit card."

Cons: "3 hour delay...and no voucher for the delay"

Pros: "The entertainment system and wifi price were great."
Cons: "We prepaid to select our seats and when we went to check in our seats had been changed. No apologies or effort was made to fix the situation. They said it happens all the time. They should never charge for seat selection if they do not honor it! Total rip-off"

Pros: "Excellent flight service; good meals, comfortable, enjoyed the wine and beer as drinks and with meals."

Pros: "Good crew."
Cons: "Puddle jumper so very basic n"

Cons: "Great flight until we couldn’t land in StLouis."

Pros: "People caring for people. We flew for a familiar emergency and the personnel on board understood the situation and was very kind."

Pros: "Good"
Cons: "Good"

Pros: "The flight departed early and arrived early, good flight attendant service"
Cons: "Long wait on the cold jetbridge for our carryon baggage, tight quarters on the plane"

Pros: "Good seats, service, express baggage handling."
Cons: "None."

Pros: "I had absolutely no complaints about this trip"

Cons: "Electrical service was spotty"

Cons: "Luggage took >1hr. Flew w Copa - always got bad seats when on United flights"

Pros: "Flight attendant was friendly and plane ride was smooth."
Cons: "Flight got delayed twice (3+hours total) then we had to wait another 40 minutes for the plane to get there, deplane, and get cleaned up and restocked."

Pros: "Crew was very nice under difficult conditions"
Cons: "Flight was late, baggage was damaged"

Cons: "This plane was awful. I don't know how anyone who is not miniature sized could be comfortable on this plane. I am 6' 1" and ~ 200 lbs, not huge by any means, but not tiny. I legitimately could not stand up (so I had to sort of slouch walk down the aisle to find my seat at the back of the plane), then the seats themselves were so narrow that I ached terribly when seated in any position for more than acouple of minutes."

Cons: "This airline was by far the worst I have used in years. Their staff, service and facilities need improvement"

Pros: "The international flight was very good. Staff were excellent and very friendly."
Cons: "The international terminal at LAX is terrible as far as people being on hand or being able to offer assistance on getting to your next connecting flight. Getting 30 minutes to make a connecting flight that is on the other side of the airport with noone being able to tell you where your connecting flight is is almost impossible. The in-flight entertainment console was broken and was unusable during the flight. It would work for 5 minutes then glitch and the screen would flash until you stowed it away and waited 10 minutes to try again."

Pros: "That the flight was earlier then Expected"
Cons: "Bag fee"

Pros: "Flight was ok"
Cons: "It was late"

Cons: "Flight was 3 1/2 hours delayed. Missed my original connection. Missed the second connection because (as the attendants told us) they were unable to get ANY flight information to inform the passengers of where their connecting flight was. They were also pretty snotty and acted like it was our fault that we might miss a flight. I'm now sitting in Houston for the final flight of the day."

Pros: "We got my wife on a plane home in under four hours."
Cons: "United decided to bump some of their glorified bus drivers ahead of me on standby so I had to wait a full four hours in O'Hare listening to some doichebag from LA try to entertain folks at the Goose Island bar with his stories about selling franchises."

Pros: "Personal, friendly service from the staff. Smooth flight and perfect arrival."

Pros: "It was fast & we didn't die we're the only good things"
Cons: "The Flight attendant was rude and mean , the plane was small and old .. But most of all he flight attendant ruined the flight for everyone. I even heard people saying she was mean as they were getting off the flight. I think her career as a flight attendant has ran its course (she was pretty old also)"

Pros: "Lots of entertainment options and friendly crew."
Cons: "It was just a very long trip, so the seats became uncomfortable after a while."

Pros: "Flight was delayed..boarding for St Louis was one of the worse flights I have ever seen..crew was rude..asked for a juice and she was mad because I didn't finish it..very uncomfortable flight..small plane."
Cons: "Got home"

Cons: "Ko"

Pros: "Great crew"
Cons: "No room on board for carry on luggage and when gate checking luggage it resulted in further delaying me to make my connecting flight"

Cons: "The only disappointment was that internet via WiFi was all but unusable. If the service is not viable while on this route, it should not be offered."

Pros: "I really liked that the flight attendants came through to offer drinks and pick up trash several times and not just once, even after the turbulence that we had. I really liked the alternative wafers instead of the traditional trail mix or peanuts."
Cons: "I have no complaints with my flight, but I would sincerely appreciate if United offered some kind of neck pillow or a thin rolled up blanket for extra comfort on longer flights (5+ hours). These minor comforts are forgotten when packing my own bags when worrying about everything else."

Cons: "It's 2.5 hours past our scheduled departure time and we're still sitting at the gate"

Pros: "Very little good things to say besides it was a new plane"
Cons: "They had one of four meal options left by the time they got to me, a platinum member. The seat also would not recline to 180 degrees"

Pros: "Still not in stl"
Cons: "Still not in stl"

Pros: "Nothing. It's just ok."
Cons: "Nothing, just ok."

Cons: "Girl at gate was rude!!! After missing connecting because of Uniteds negligence, my brand new luggage first time used, zipper to main compartment was ripped half way out!! My clothes and stuff hanging out as its coming out baggage claim!!!!!! This was a nightmare"

Cons: "The snacks are too small."

Cons: "STINGY DRINK SERVINGS TINY SNACK BAGS"

Pros: "Staff was friendly"
Cons: "Delayed for 2 hrs after my 4 hr layover"

Cons: "Some other carriers offer wifi inflight service free of charge. I tried connecting to wifi in flight with no success several times."

Pros: "newer plane. more personal space per seat"

Pros: "Price we paid was excellent."
Cons: "It was just my wife and myself and we didn't even get to seat together. They want extra for being able to select your seat in advance. Food was terrible. Seats recline probably 2" at the top of the backrest so no comfort there at all."

Cons: "Our flight got canceled due to airport issues at our destination. United canceled the flight but had no alternative flights to get us home. Flights the next day were full. Took over an hour with the service desk to reroute tickets to cancel them and to get bags back then took two hours at baggage claim to get the bags back. Customer service was basically useless. After all that, we didn't get any of our money back! I will be avoiding United airlines. Flight cancelation was not their fault but the way they handled the rest of it was embarrassing."

Pros: "The young lady who was the flight attendant was very nice and tried to make a very bad situation somewhat bearable. There were a number of children on the flight that she was very attentive to. I hope united treats their employees better than they treat their passengers."
Cons: "The flight was delayed for 4 hours. We were told to proceed to the United terminal in spite of the delay. There seemed to be no effort to inform or assist us. There was very little to do in this terminal but wait to see if our flight would eventually come. There were other United passengers in the terminal who were also waiting for overly delayed flights. eventually, we had a plane that was extremely small, cramped and uncomfortable. United seems to consistently oversell its seats and then tried to get people to give up their seats. Very poorly managed airline with bad customer service. Sadly, I have to say that I have never had an acceptable experience on a united flight. Will NOT take another United flight."

Pros: "I liked that they waited for me because my flight was late getting in to San Francisco."

Pros: "No much"
Cons: "Take forever to load. No entertainment. Hard, uncomfortable seats, no food. Kept talking about "premiere plus" benefits. Why does it cost $80 to have not bad service?"

Pros: "flight was on time"
Cons: "airport gate lady would't let me run to the bathroom and quickly return for my checked carry-on for "security reasons." Then I heard about 4-5 people being paged to come pick up their checked carry-on luggage."

Cons: "lost our bag, crying babies, uncomfortable plane"

Pros: "I was comfortable and I didn't die."
Cons: "N/A"

Cons: "It was not on united because it kept getting delayed."

Pros: "The Qantas agent controlling access to the International Terminal from the Domestic Terminal in Sydney was the best I have ever encountered. Not only did he unravel a very complicated situation created by United, he helped get cell phone to the connecting flight after I left it on first flight. Service on the flight was good and better in Economy than Business First on United."

Cons: "System was screwed up, boarding was a nightmare."

Cons: "Food selection poor Ran out of one selection Crew forgot to serve our row food until I questioned them"

Cons: "Cramped space."

Pros: "Nothing"
Cons: "Delayed 2 hours because they had to change tires they didn't decide that until everyone was already on the plane then had to deboard counter people were very rude this airline is always delayed for something probably the worst airline ever"

Read more about Qatar Airways
COVID-19 information

Safety measures for airlines flying to St. Louis

Airlines flying to St. Louis have enacted additional safety measures and adjusted policies to better accommodate travellers. Policies vary by airline.

Heightened sanitation

Daily cleaning, installation of cabin HEPA filters on flights to St. Louis

Mandatory masks

Masks required on board, masks provided on flights to St. Louis

Social distancing seating

Middle seats unavailable to book on flights to St. Louis

Pre-flight testing

Testing for antibodies, testing for symptoms for flights to St. Louis

Book Cheap Flights to St. Louis

Recent return flight deals

15/6
Tue.
2 stops
United Airlines
22h 03m
SYD - STL
22/6
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United Airlines
31h 00m
STL - SYD
5/7
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Multiple Airlines
47h 53m
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9/7
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54h 01m
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39h 00m
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33h 35m
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20h 02m
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24h 27m
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23h 48m
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28h 51m
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24h 27m
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Spirit Airlines
3h 34m
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3h 38m
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6h 54m
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3h 00m
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28/9
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