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Find cheap flights from Los Angeles to Washington Dulles Airport

LAX - IAD

Find cheap flights from Los Angeles to Washington Dulles Airport

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Washington Dulles Intl
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Tue. 18.5
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Good to know

Low season

AugustBest time to beat the crowds (16% less expensive on average)

High season

DecemberMost popular time to fly (20% more expensive on average)

Average price (return flight)

$387(avg. price over the last 2 weeks)

Good deal (return flight)

$338or less

Good deal one-way

$181or less

When to book flights from Los Angeles to Washington Dulles Airport

Estimated return price
Average price per month
Flight prices as travel date approaches

Top tips for finding a cheap flight

  • Looking for a cheap flight? 25% of our users found flights on this route for $181 or less one-way and $338 or less round-trip.
  • The cheapest flight from Los Angeles to Washington Dulles Airport was found, on average, 42 days before departure.
  • Book at least 2 weeks before departure in order to get a below-average price.
  • High season is considered to be November, December and January. The cheapest month to fly is August.

FAQs for booking Los Angeles to Washington Dulles Airport flights

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Top 3 airlines serving Los Angeles to Washington Dulles Intl

Scores according to KAYAK customer reviews

8.3
Alaska Airlines
Overall score based on 29,354 reviews
8.5
Boarding
8.3
Comfort
8.8
Crew
7.9
Entertainment
7.9
Food
Airline reviews

Pros: "The crew and seat was fine"

Cons: "Wi fi wasn’t working I didn’t understand the media and it didn’t work No screen"

Pros: "Everything"
Cons: "Nothing"

Cons: "2:30 min delay"

Cons: "Pilots were 50 mins late"

Pros: "Blue, dim lights"

Pros: "Everything"

Cons: "In checking in the staff was no helpful"

Pros: "Fast flight; clean cabin: tv screens at every seat"

Pros: "good service good flight"
Cons: "everything"

Cons: "Change gate not done properly"

Cons: "my seat wouldn’t stay up, it was a little broken"

Pros: "Fast boarding process"

Cons: "When we landed we sat on the tarmac for over 30 minutes when they said 10 minutes."

Pros: "Alaska is my favorite airline."
Cons: "My seat assignments did not transfer to Alaska so I couldn’t get my seat assigned until just before I could board."

Pros: "More room in economy than other airlines. Thanks!"
Cons: "Still miss the live tv programs from Virgin America days."

Cons: "Everything"

Cons: "first class service"

Cons: "I was in the last group being boarded (D) - by the time it gets to this group it seems a kind of controlled pandemonium starts and the staff just do their best to herd people in. I have an Alaska Air credit card and one of the selling points was to board earlier, but that has not been the case, as they reserve this for their higher level customers, whatever that means. Also, on this flight, I was very unimpressed with the crew, there was a younger African American man, who was particularly unfriendly, he clearly needs remedial training in customer service. I was disappointed with my experience this time as I have mostly found the crews to be very professional."

Pros: "Crew Entertainment"
Cons: "Two hour delay"

Pros: "Individual tv, seat comfort"

Pros: "Roomy seats and all together comfortable."
Cons: "There wasn't anything we did not like."

Cons: "I missed the connection for a delay in Qantas for Melbourne."

Pros: "Everything was comfortable"
Cons: "Carry on storage was limited but the staff was accommodating"

Cons: "No food, just snacks."

Pros: "Flying home"
Cons: "Drunk passengers"

Cons: "The gate was switched at the last hour for no apparent reason to a gate that had a delayed flight. My flight was delayed an hour as we waited for the first flight to depart and then my flight to deplane, get cleaned, load and depart. Not sure why this needed to happen."

Pros: "Nothing, didn’t fly"
Cons: "I purchased insurance in the event my circumstances changed and I couldn’t fly. My circumstances did change and I ended up not flying. When I contacted Alaskan, they “reimbursed” me for the flight but simultaneously charged me $125 as a change fee. The result was no benefit from the insurance, and a loss of my money as a result."

Pros: "Also...spacious seating by coach standards"
Cons: "Never a fan of boarding zones but it was fine"

Pros: "Premium seating has more leg room"
Cons: "Entertainment system down. WiFi worked intermittently and was very slow. Without the system, food service was nonexistent. I actually asked for food to purchase only to have an attendant walk to ‘check’ and never return. Abysmal."

Pros: "Nothing."
Cons: "They separated my seat with my 2 years old son, far far away. My 2 yo son got the seat in row 13 while mine was row 23. Then the front desk staff could only help to switch to row 12 and row 13. We’re still not together. That’s horrible. Then when we got on the plane, I asked people around if they don’t mind to switch their seats, but still not working well. The flight attendants didn’t help at all. Just saying, “this is the best we can do.” What did they do? They didn’t even help me to work it out. Then one of the front desk staff came onto the plane and help me out. My son and I finally sit together. But the overall experience sucks! Alaska Airlines needs to train their crew to have more emphatic to the passengers."

Pros: "The selection of movies"
Cons: "Noisy unfortunately second to last row on the plane near bathroom noise and traffic. Loud conversations behind me. At one point a woman started playing music on a device and singing loudly. This was a night flight. I think one of the passengers finally asked her to stop, I would have thought one of the flight attendants would have approached her"

Pros: "Yes, they My have lost it but they delivered it to make up for the mistakes."

Cons: "We weren't able to sit together."

Pros: "availability"
Cons: "cost"

Cons: "no music. no wi-fi. nothing to enhance the experience. check out jet blue."

Pros: "Alaska has always treated us well. I would recommend them anytime."

Pros: "Roomy seat, expensive change fee"
Cons: "Bad smell on plane"

Pros: "Flying home"
Cons: "Boarded late and sat on the plane for awhile. Also should be embarrassed that all they can spare fir a snack is a miniature bag of pretzels"

Pros: "The upgrade to 1st class was nice."

Pros: "The stuffs were very entertaining and the plane roomy."

Pros: "Power connection"
Cons: "seat was not comfortable. Back and legs ached."

Cons: "US Customs was very rude."

Pros: "Comfortable seating"

Pros: "They were attentive as usual."

Pros: "No worries. Pleasant staff."
Cons: "No complaints"

Pros: "Over all Alaskan airlines does a great job."
Cons: "The boarding process was very sloppy. The boarding person made very little to no announcements regarding boarding procedures. He then made everyone who had lined up in general boarding line exit the line and then finally turned on the sign that said preferred boarding. Then the same thing happened again. He could have saved all of us and including himself lots of frustration if he had just made an announcement regarding the boarding process with directions when he was about to start boarding. Everyone was left without clear directions. Big let down to start my experience with Alaskan airlines."

Cons: "The plane was small and uncomfortable"

Pros: "Fast"
Cons: "Na"

Cons: "No hubo comida suficiente"

Cons: "Bathroom floors could be better."

Cons: "Terrible delays"

Pros: "An uneventful and relaxing flight. The flight attendants were great. They actually smiled."

Pros: "Crews are very friendly"

Cons: "Good"

Pros: "Delta One product is among the best in domestic US."
Cons: "Let passengers know that Delta One has a special check in area."

Cons: "Offered meals for purchase."

Pros: "Very comfortable, no complaints."

Pros: "The TV"

Cons: "Food was blah, not hot and watery"

Cons: "No delays. And have the terminal bridge in working order"

Cons: "The boarding process at LAX was awful. I’m sure the horrible shuttle wait and transfer from terminal to terminal is the airport’s fault, but the airline did not do anywhere near enough to inform passengers of what was in store. It was confusing and annoying."

Pros: "Coming from Europe Alitalia and Delta did an EXCELLENT job at assisting the passengers get rid of their luggage just as soon as we were done going through customs... I don't usually fly on this route, but I thought it was perfect. Transfer between Delta terminal was a breeze too..."
Cons: "I usually don't fly from JFK. The food court was expensive (18 dollars base price from a burger seems a high even for an airport. I don't fly from NY normally - so maybe I need to tune my expectation for the locale, and it may have NOTHING to do with the airline company."

Pros: "best meal ive had in so long service was great the captain anniuncements were clear and detailed"

Pros: "We boarded close to on time, no hassles. Allowed my husband and me (retired military) to board early, thank you."
Cons: "LAX security is awful. We never left the airport (arrived LAX from Sydney AU) yet were forced thru security again. Had to remove shoes, was scanned and "frisked" by TSA to get to Denver. To go to Australia, Denver TSA waived the removal of shoes, skipped the scan for the metal detector and no one touched me, ditto for LAX on the trip to Sydney. Where's the uniformity or standards for TSA?? Why did I have to be subjected to this garbage on the way home?? This is why I despise flying. It makes no sense to me. This ruined what was a great vacation."

Pros: "I did not like nothing"
Cons: "Custom took for ever they only had 2 agents working and I Missed my fight to nyc"

Pros: "Not much . The boarding process took forever and the lines through TSA took longer .. no direction to lines and I was standing for 10 min before saying something to someone and they said o there’s another line."
Cons: "Almost everything besides the staff on the plane"

Pros: "Fast and comfortable"
Cons: "No tv but understanding"

Pros: "All that one would want."

Pros: "The TV selections"

Pros: "Premium boarding breakfast sandwich pretty good"
Cons: "My screen stopped working in the middle of an episode."

Pros: "Free movies helped the time fly by. Stewardess, or whatever the PC word us now, Britt was awesome"

Pros: "Was able to comfortably sleep the whole trip back."
Cons: "Nothing, just filling this in to continue........."

Pros: "Maintained high standards of service despite massive delay."
Cons: "Boarding and departure was messy because of the delay"

Pros: "I would like more detail about traveling companions displayed."

Pros: "I liked the selection of movies."
Cons: "The arrival estimate was off."

Pros: "Great experience"

Pros: "Liked seating in Delta Comfort w own space for carry on and earlier boarding. Staff was attentive snd friendly and offered many snacks. Good choices for tv. Should option of getting head phones as I had the wrong one. Comfortable"
Cons: "Should have one free luggage for Delta Comfort. More variety of food to purchash"

Cons: "nothing"

Cons: "Smooth"

Pros: "Distaff who is very friendly and accommodating."

Pros: "They ran out of food on the plane"

Cons: "Boarding in LA was. Mess"

Pros: "Nice courteous cabin staff."
Cons: "See comment above"

Cons: "Late"

Pros: "COURTESY"

Cons: "I was starving because of my short connection time and couldn't have lunch - wanted to eat something solid and they just had boxes with fruits and cheese."

Pros: "I always have a great experience on Delta! Thank you"

Pros: "Free drinks in Comfort+"

Pros: "Airtravel is not exactly something to 'LIKE' but it was good."
Cons: "Attendant was a bit forgetful, didn't get my or my daughters drinks straight. She took forever to take the order too and was using a phone or something to type the order in and STILL got it wrong!"

Cons: "I had to take different flights due to the delays."

Pros: "Service"
Cons: "Long delay"

Cons: "See above airport connection disaster...."

Pros: "What they offer is OK."

Pros: "Pilot was hot."
Cons: "4 hour maintenance delay. Arrived at 2 am, after boarding a different plane."

Pros: "This was a code share flight on a delta ticket but a virgin airline, the entertainment was great with the seat back selection, the seat comfy and the staff friendly."
Cons: "Firstly check in was a nightmare, travelling on a Virgin Australia Flight from LAX - BNE and a connecting flight BNE - PPP (Proserpine) all with Virgin Australia, and they claim they don't have the ability to tag your luggage the whole way through??? (I understand I have to collect it on arrival into another country and then take to a bag drop) but with the same airline they claim they can't do this? I travel a lot and with many other flights internationally and I can tag my bags with different airlines all the way through, but NOT WITH VIRGIN WITH THE SAME AIRLINE ALL THE WAY THROUGH? They can't do it? Then 2 hour delay on the tarmac after taxiing out from the gate at LAX, which got us in late to Brisbane. The food on this leg LAX-BNE for the vegetarian option was terrible, which was strange as on the fist flight over from BNE-LAX it was the best vegetarian food on any flight I've ever had. Strangely 6 months out from our flight I tried calling Delta to upgrade our tickets and was told they had no way of doing it as the Delta computer system isn't linked Virgin system. Then calling Virgin to upgrade I was told I can't as it is a Delta ticker. We tried again a week out from the flight and got the same response and told to try at check-in. We tried then at check in and told they have no idea how to do this as only so many seats are allocated to Delta tickets and they can't access the Delta system?? So very frustrating and we could never upgrade?"

Pros: "Blankets"

Cons: "Reasonable price"

Pros: "great"

Pros: "Crew was fantastic!! Great job."

Pros: "We arrived nearly on time & without issue."
Cons: "The plane was warm & no cool air was being dispersed in the cabin & because of that it was very dry. Better temperature regulation, climate control is needed to make fir a more comfortable flight."

Pros: "On time departure and landed a little early"
Cons: "Seats should recline more More food options"

Pros: "the ground crew gave me an express pass to navigate pass the Summer Holiday TSA queues. Was worried I was going to miss flight. So that’s was super good of ANA ground staff at LAX!"

Cons: "The WiFI did not work the whole flight."

Pros: "Cost"
Cons: "Aircon too cool"

Pros: "The crew was there when I needed them. And out of the way to help sleep. Nice service on departure with wide range of drinks and snacks. Really like entertainment on devices. Many more options of movies to watch. Easy access to restrooms with one in the front and two in the rear."
Cons: "Baggage collection at Dulles can be improved. It took over 30 minutes for the bag to arrive."

Pros: "The flight was relatively short and uneventful."
Cons: "The workers at the airport, airline door, and flight attendants were all very rude. After sitting in LAX traffic for over 2 hours, they could’ve at least attempted to be friendly and helpful. I swore I’d never fly United again, and this solidified my opinion."

Pros: "Did not have any food so an N/A option for this category is needed."
Cons: "The exit, economy plus seat I chose was described as limited recline when it fact the chairs do not recline at all. I was so disappointed. Had I known this, I would have chosen a different seat. My neck was hurting by the end of the flight."

Cons: "Seats with little cushion that make you sit virtually upright for over 5 hours."

Cons: "Would not allow upgrade even thought seats available because my economy ticket was not appropriate for upgrade. Seems that if all those who could upgrade hf upgraded had done so, why not allow the upgrade. Would have been more money for airlines and I would have enjoyed the trip more."

Cons: "The seats are so uncomfortable, they force you to slouch. They should support your lower back instead."

Pros: "Most of the crew were friendly but some board and inattentive"
Cons: "Paying for food and movies"

Pros: "Nothing."
Cons: "My seat was changed without my knowledge or consent and no one was able to tell me why or fix it. I spoke with a united customer service supervisor and have yet to hear from anyome about it."

Pros: "The crew was wonderful; I purchased a business class seat, which was comfortable (although I could not tell the difference between business class and coach seats)."
Cons: "The food was horrible - nothing fit for a person who is diabetic or vegan or non-dairy. And the price was outrageously high for what one received."

Pros: "Excellent experience."
Cons: "Nothing."

Pros: "The seat next to me was empty which made the whole long flight more bearable."
Cons: "Typical United service, without any bells or whistles."

Pros: "Extra legroom"
Cons: "No free entertainment options"

Cons: "Still don't get the online seating. Got good seats without selecting in advance even though they overly encourage you to pay for a premium seat or indicate the only seats remaining are the worst possible on the plane. Really don't like this internal policy."

Pros: "It was a newer model 737-900 series plane. Flight was smooth We arrived early. No major issues. Have Tito's vodka."
Cons: "In-flight entertainment offered through your own device only, which would have been fine but the charging port had no power. So essentially (for me), there was no in-flight entertainment. Seats were very narrow and bathrooms smaller than normal. Boarding process seemed to take longer than it should. Flight crew was non-existent after initial beverage service."

Pros: "Lots of beverages offered. Boarding was fine"
Cons: "Lack of food choices and cramped seating"

Cons: "The gate was so far away. And the AC wasn't working in their terminal"

Pros: "Ahead of schedule arriving at IAD"

Pros: "Nothing, I hope they at least served some snacks."
Cons: "Most uncomfortable seats , struggled to sleep during my whole journey."

Pros: "-Blue lighting and head space makes the plane feel more open. -Staff was patient considering the unfair backlash they were getting for the recent abuse of a United passenger. -Seats were well cushioned. -I arrived home to my family alive, unhurt, and safe."
Cons: "-2 hour delay (especially after I arrived 2 hours early) is unacceptable. -Overhead bins too low over our seats. We can't stand up straight at our seats making it very difficulty to get in and out of our seats. -Couldn't access entertainment on my Mac laptop. -Bathroom closets are too small. Floors in the bathroom were consistently wet because the sink is too small for people to wash their hands. -Two bathrooms for the majority of the passengers on the plane is just not enough and you know it. It's pretty uncivilized. It creates a line at the back of the plane covering at least 5 rows. Then, your aisles are too narrow. So we have to rub our bodies up against each other to let people squeeze through. -I think you guys could do better than one tiny bag of pretzel mix for a 5 hour flight. -Let's get upper management flying in economy across the country and see what they would change."

Pros: "The plane was clean and the crew were pleasant and polite. I was a little surprised that the pilot announced they wanted to leave early; there were a couple of announcements about that while we were boarding. When we arrived at LAX there wasn't a gate available, because we were early, so I don't think we gained anything other than a feeling of being herded quickly."
Cons: "Entertainment options were limited; Friends and Big Bang reruns plus some music videos. According to the app, these don't work on Windows 8, which is what I had. The seats are cramped with very little tilt. I had an aisle seat and was hit by nearly everyone walking by, even though it wasn't a rough flight. I would rather not fly with this airline; I don't see anything that they do that would encourage my return business. Frankly, I've had better flights on Southwest!"

Pros: "No complaints really. The staff was incredible. The snacks were great. (Free & otherwise) Free non alcoholic beverages. It was a smooth ride I got on and off quickly. (15 min"
Cons: "The price of Wi-Fi. The price of on flight entertainment. Nothing for free, but that's no big deal cause I came prepared."

Pros: "All good"
Cons: "Nothing all travel is ok."

Cons: "Didn't like waiting the extra time to manually pul the airplane away from the gate at departure"

Cons: "The overhead bins were so full that I needed to put my backpack under the seat. That meant that the already-cramped seat was even more cramped. In addition the seat did not recline because it was next to an exit row. It was a red eye and I could not get comfortable enough to sleep. Also, the fact that the screen brightness control was located on top of the seat arm meant that my neighbor's arm kept turning my screen on and increasing the brightness while my neighbor was asleep."

Cons: "selection of tv and movie options on the flight"

Pros: "Free movies!"

Pros: "The crew and staff were great. The flight attendants/coordinator were gracious, professional, and represented United well. The food was good."
Cons: "There was no entertainment, if you did not have your own electronic device.."

Cons: "Letting a passenger who is vomitting in the waiting area on the flight."

Pros: "The timing."
Cons: "The landing was a little rough."

Pros: "Good crew."
Cons: "And my boarding group status was downgraded to 5. Consequently bins were so full my smallish roll on was taken and checked through. Not what I would have liked."

Pros: "It was comfortable and crew was friendly."
Cons: "The tv screens were so bright it was hard to sleep."

Pros: "I liked everything overall Service Attention Boarding Crew Food, snacks and drinks"
Cons: "Price should include WiFi or at least mention it at ticket purchase so that WiFi service can be purchased. Some trips are budget based and any extra expenditures may unbalance a vacation. I don't mind paying upfront when purchasing tickets but having my wife look at me while I'm about to purchase WiFi for the trip made me uneasy. Thanks"

Pros: "Nothing"
Cons: "Everything. I had a very tight schedule to visit my friends in canada. What was supposed to be a quick flight turned into almost 24 hours of travel and ariving 12 hours late. I was lucky to have 3 days in with my friends now i only have 2. Not to mention what was supposed to be an inexpensive trip turned i to an expensive one when you are forced to eat airport food after being constantly re routed. I bought my ticket based on ariving to ottawa in the morning this however was not the case. I will be seeking a refund."

Pros: "By getting my ticket from Kayak I was always informed if my flas delay and updates every time. And due to I drove to a far places after I got to Washington I was about to lose my flight but the airline was able to gave me another flight later on. So was perfect."

Pros: "There was nothing positive. If I'm uncomfortable for 5 hours there is NOTHING POSITIVE."
Cons: "The flight from LAX to IAD was the most cramped for space I have ever experienced. It was like a puddle jumper cheap flight. I will only fly United in the future as a last resort."

Pros: "They did not care"
Cons: "Bad"

Cons: "My 3rd old was very hungry and I reached out to cabin staff for any kind of food for purchase, they turned me down saying I need to wait for another hour till the dinner time. Did not provide any help there."

Cons: "Bad Service over all."

Cons: "Bad service, delay flight, crew not smile and food being a delay flight as courtesy not even a free meal?"

Cons: "Excellent 5 star"

Pros: "On time flight"
Cons: "Spicy food and messy bathroom"

Pros: "Everything"
Cons: "Nothing"

Pros: "Good service, good movies, fast flight"
Cons: "They could not get the sky way to work AND we had to take the Dulles bus then escalators then train then escalators and still a fair amount of walking and waiting to get to ground transport-- 1 hour from landing!"

Pros: "Love love loved the in-flight entertainment!"
Cons: "Flight attendant was frazzled, impatient, uptight, and seemed to be agitated at customers at beginning of flight."

Read more about Alaska Airlines
COVID-19 information

Safety measures for airlines flying from Los Angeles to Washington Dulles Airport

Airlines flying from Los Angeles to Washington Dulles Airport 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 from Los Angeles to Washington Dulles Airport

Mandatory masks

Masks required on board, masks provided on flights from Los Angeles to Washington Dulles Airport

Social distancing seating

Middle seats unavailable to book on flights from Los Angeles to Washington Dulles Airport

Pre-flight testing

Testing for antibodies, testing for symptoms for flights from Los Angeles to Washington Dulles Airport

Book cheap flights from Los Angeles to Washington Dulles Airport

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19/7
Mon.
1 stop
Delta
6h 29m
LAX - IAD
16/6
Wed.
1 stop
Alaska Airlines
8h 56m
LAX - IAD
17/7
Sat.
1 stop
Delta
7h 35m
LAX - IAD
2/6
Wed.
1 stop
Alaska Airlines
27h 26m
LAX - IAD
21/6
Mon.
1 stop
Delta
8h 50m
LAX - IAD
15/6
Tue.
direct
Alaska Airlines
5h 00m
LAX - IAD
14/6
Mon.
1 stop
Delta
8h 50m
LAX - IAD
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