SYD - IAD

$903 Find Cheap Flights from Sydney to Washington Dulles Airport – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sydney to Dulles Intl departing on 4/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Dulles Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sydney to Washington, D.C., as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sydney to Washington, D.C., as well as popular online travel agencies
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Everything you should know

Cheapest return fare
$1,427
Typical prices: $1,637-$1,502
American Airlines
Wed 9/9Sun 20/9
SYD - IAD • 2 stops
Cheapest one-way flight
$903
Typical prices: $1,609-$1,728
American Airlines
Wed 4/11
SYD - IAD • 1 stop
Top airlines
Cheapest • from $1,427 (return)
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Direct flights
Not available
There are currently no direct flights between Sydney and Dulles Intl. You’ll need at least 1 connection.
Insights
Insights
Insights
Insights
Top stopover airports
Cheapest • Avg $1,157 (return)
Shortest trip • 17h 00m (one-way)
Insights
Insights
Insights
Insights
When to travel
Cheapest • 17% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Dulles Intl!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Sydney to Dulles Intl (SYD-IAD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Sydney to Dulles Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Sydney to Dulles Intl

Wed, 9 Sep - Sun, 20 Sep
American Airlines Logo
09:10 - 20:24
SYD
-
IAD
25h 14m
2 stops
American Airlines Logo
15:08 - 07:05
IAD
-
SYD
25h 57m
2 stops
$1,427American Airlines
Wed, 9 Sep - Tue, 22 Sep
American Airlines Logo
09:10 - 20:24
SYD
-
IAD
25h 14m
2 stops
American Airlines Logo
06:52 - 06:55
IAD
-
SYD
34h 03m
1 stop
$1,438American Airlines
Mon, 12 Oct - Mon, 19 Oct
American Airlines Logo
10:10 - 05:00
SYD
-
IAD
33h 50m
1 stop
American Airlines Logo
06:10 - 08:05
IAD
-
SYD
34h 55m
1 stop
$1,441American Airlines
Wed, 9 Sep - Tue, 22 Sep
American Airlines Logo
12:00 - 14:18
SYD
-
IAD
40h 18m
1 stop
American Airlines Logo
06:52 - 06:55
IAD
-
SYD
34h 03m
1 stop
$1,448American Airlines
Mon, 12 Oct - Wed, 21 Oct
American Airlines Logo
10:10 - 05:00
SYD
-
IAD
33h 50m
1 stop
American Airlines Logo
14:46 - 06:55
IAD
-
SYD
25h 09m
1 stop
$1,451American Airlines
Wed, 9 Sep - Tue, 22 Sep
American Airlines Logo
12:00 - 20:24
SYD
-
IAD
22h 24m
1 stop
American Airlines Logo
06:52 - 06:55
IAD
-
SYD
34h 03m
1 stop
$1,458American Airlines
Tue, 13 Oct - Tue, 20 Oct
American Airlines Logo
18:50 - 05:00
SYD
-
IAD
25h 10m
1 stop
American Airlines Logo
14:46 - 06:55
IAD
-
SYD
25h 09m
1 stop
$1,462American Airlines
Wed, 9 Sep - Tue, 22 Sep
American Airlines Logo
12:00 - 20:24
SYD
-
IAD
22h 24m
1 stop
American Airlines Logo
16:56 - 06:55
IAD
-
SYD
23h 59m
1 stop
$1,467American Airlines
Thu, 12 Nov - Mon, 16 Nov
American Airlines Logo
11:15 - 05:00
SYD
-
IAD
33h 45m
1 stop
American Airlines Logo
20:09 - 06:55
IAD
-
SYD
42h 46m
2 stops
$1,481American Airlines
Thu, 12 Nov - Mon, 16 Nov
American Airlines Logo
11:15 - 05:00
SYD
-
IAD
33h 45m
1 stop
American Airlines Logo
09:12 - 06:55
IAD
-
SYD
29h 43m
2 stops
$1,484American Airlines
Booking Insights

KAYAK's insights & trends for Sydney to Dulles Intl flights

Get data-powered insights and trends into flights from Sydney to Dulles Intl to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from Sydney to Washington, D.C. Dulles Intl Airport?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from Sydney to Washington, D.C. Dulles Intl Airport departing in September.

What is the cheapest month to fly from Sydney to Washington, D.C. Dulles Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Sydney to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Sydney to Washington, D.C. Dulles Intl Airport is November, where tickets cost $1,477 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $2,584 and $2,100 respectively.

How far in advance should I book a flight from Sydney to Washington, D.C. Dulles Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Sydney to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Sydney to Washington, D.C. Dulles Intl Airport, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

Good to know

Low seasonMarch
Cheapest flight$903
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly and prices are also 13% lower on average.
Flight from Sydney to Washington Dulles Airport

When to book flights from Sydney to Dulles Intl

Are your dates flexible? Find out the best times to travel from Sydney to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Sydney to Washington Dulles Airport flights

  • What is the cheapest flight from Sydney to Washington, D.C. Dulles Intl Airport?

    In the last 3 days, the lowest price for a flight from Sydney to Washington, D.C. Dulles Intl Airport was $903 for a one-way ticket and $1,427 for a return.

  • Which airports will I be using when flying from Sydney to Washington Dulles Airport?

    On your way to Washington Dulles Airport, you’ll fly out from Sydney Kingsford Smith. You’ll be landing at Washington, D.C. Dulles Intl.

  • Which aircraft models fly most regularly from Sydney to Washington Dulles Airport?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Sydney to Washington Dulles Airport?

    oneworld, and Star Alliance are the airline alliances operating flights between Sydney and Washington Dulles Airport, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from Sydney to Washington, D.C., Air New Zealand or Qantas Airways?

    The two airlines most popular with KAYAK users for flights from Sydney to Washington, D.C. are Air New Zealand and Qantas Airways. With an average price for the route of $1,589 and an overall rating of 8.0, Air New Zealand is the most popular choice. Qantas Airways is also a great choice for the route, with an average price of $2,701 and an overall rating of 7.5.

  • How does KAYAK find such low prices on flights from Sydney to Washington Dulles Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sydney to Washington Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sydney to Washington Dulles Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Sydney is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Sydney to Washington Dulles Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Washington Dulles Airport with an airline and back to Sydney with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sydney to Washington Dulles Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington Dulles Airport from Sydney up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines flying from Sydney to Dulles Intl

 
See real verified KAYAK customer reviews for airlines flying from Sydney to Washington, D.C.. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Sydney to Dulles Intl? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Air New ZealandOverall score based on 645 reviews
7.4Entertainment
8.2Boarding
8.5Crew
7.9Comfort
7.4Food
Airline reviews

We got to experience Premium Economy from Sydney to Auckland and it was a great experience wiht Air New Zealand. The crew was friendly and helpful.

10.0 ExcellentManish, May 2026
SYD - AKL
Read more Air New Zealand reviews

We got to experience Premium Economy from Sydney to Auckland and it was a great experience wiht Air New Zealand. The crew was friendly and helpful.

Time to upgrade those planes so you can provide first class.

The flight was smooth and on time. Entertainment options were lacking and there was no food, other than some very boring snacks.

A better selection of entertainment would have been nice. I found nothing that appealed to me as a middle-aged traveler. The flight attendants were gracious, helpful, and attentive. It also would have been nice to have more bathrooms as the flight was full and the plane was big.

This flight was the second leg of a trip that began in Auckland, New Zealand. I was unable to find a way to select seats in advance. The boarding passes we were given in Auckland did not have seat assignments for the second flight. There was no way to check on it until personnel showed up at the gate in Los Angeles, immediately before boarding time. The flight was overbooked by one, and since I was traveling with my sister, we needed two seats. We waited in considerable anxiety for everyone else to board and when one person did not show up, we had to take whatever was left. At least we finally got on the flight although we were the very last to board. We were not able to sit together, of course.

The Premium Economy seats were very comfortable and the food was quite tasty. I did not use the entertainment system, but I was able to charge my phone and tablet with the seatback connection.

We had difficulty checking in as United didn’t recognize the confirmation number and the agent was not helpful. We went to the United Assistance desk where the agent was able to process our reservation. We also weren’t allowed to choose seats in advance.

Your entertainment could be better. I flew on Air New Zealand in January so was expecting a better choice in February...but no luck. Same choices and also could have a better selection. Otherwise, lovely service, the purser came to our seats to welcome us. Overall, very nice. Direct flight from Auckland to YVR was fantastic!

Air New Zealand over sold our flight and tried to bump us to yesterday. After several calls we got booked to United about 6 hrs before our original flight. No apologies!

Very quick flight so no time for refreshments. We took off. Then landed. The end. Seats were too tight. Very cramped Grateful for the short flight cos moving around wasn’t possible

We had a cancellation due to weather, but the American Airlines staff was very helpful. Once we got on a plane, the trip was great.

Great food and good entertainment options for the long flight.

It seems that qantas are trying hard to regain their status as Australia's premier airline. I only flew economy but happy with the service entertainment, food, configuration everything.

Loved the food and beverages available, spacious economy class, excellent entertainment

Very good overall. Highly recommend for all flying to Australia

We had bulkhead seats in a A380 in the upper deck in seats 31 D and E. Storage was very limited other than in overhead bin - which is not within reach when in seat. Yet paying same price as others in premium economy who have a lot more storage within arm’s reach. Seems very unfair.

On the Qantas flight, I could barely hear some of the announcements. It was better when I could read them on the screen.

Good check in and helpful staff. Delayed for 1 hour. Took about 45 Mins to get baggage’s at DFW . Food was average ( Hindu meal ) . Overall it was good experience

Our boarding and flight was very good. However when we landed and pulled in to the gate it took 55 minutes for the jet bridge to be positioned next to the aircraft. That caused us to miss our ground transportation and it caused us unnecessary last minute transit planning and expense. Our flight was AA1733 on March 17, 2026

We booked with Qantas instead of Delta and we instead flew on American Airlines. American is not our favorite to go on. No leg room and the width of seats are a joke. Your are packed like sardines on American flights.

Our flight was delayed 2.5 hours from Lisbon to DC so we missed our connection to Seattle that would have arrived at about 9 PM. The agent initially said we had to stay overnight in DC and there were no other options to put us on to get us to Seattle. While on board I discovered a flight via American he could have put us in but by the time we arrived in DC that was sold out. We were then put on a flight to San Francisco that was also delayed then arrived in San Francisco and our flight to Seattle was also delayed so we ended up not arriving until 2:15 am. Our son could not pick us up so we ended up having to pay over $100 to Uber home. This is the second trip with United that the flight has been delayed causing us to miss an evening in Las Vegas and we were given nothing.

MY FAMILY'S LUGGAGE WAS LOST FROM ROME TO BARI. I WAS THE ONLY ONE THAT RECEIVED MY LUGGAGE FROM ROME TO BARI. AFTER DEPLANING IN BARI, WE WASTED A LOT OF TIME AT BAG CLAIMS LOST AND FOUND REPORTING THE CLAIM AND PLEADING FOR THE BAGS TO BE DELIVERED THE NEXT DAY. WE WERE TOLD THAT IT TAKES 3 DAYS MINIMUM TO DELIVER. MY DAUGHTER AND MY GIRLFRIEND NEEDED THEIR PERSONAL THINGS AND WE WERE STAYING 3 HOURS AWAY FROM THE BARI AIRPORT. WE HAD TO DRIVE 3 HOURS TO THE AIRPORT TO COLLECT OUR LOST LUGGAGE THE NEXT DAY. WE ARE NOT HAPPY WITH THE EXPERIENCE

There were no facilities in the middle of the aircraft and premium economy was not allowed to use the business class facilities, and had to share the only two toilets at the back with economy. The upgrade to Premium was definitely not worth it

Our flight to Rome, Italy was cancelled the day of and we were never informed. We only found out because I was trying to get into my husbands account and called to get his account number. Had to pay more for worse seating on another airline.

The economy seat was much less comfortable for an international flight in terms of recline and moving space when food tray is expanded. Per entertainment, it would be amazing if I could connect my Bluetooth headset or ear phones to the entertainment screen. Or provide in-flight wifi to connect directly from my own device.

We were a little disappointed to not be able to complete check in online without uploading pics of passports. Also we have KTN's and they weren't on our boarding passes when we got to security. Had to trek back to counter to have them fix.

Excellent service in Polaris class IAD to ZRH. Arrived rested and well fed after the overnight flight.

It's a short hop. My carryon was checked at the gate, I didn't have to drag it all over the airport. Excellent wheelchair assist.

Was great in general, try to respect time and excuses when slight changes have been made, appreciated!

Terrific in every way. On time, professional staff, multiple movie options to select, great food and drink.

The airplane was an old model, the overhead didn’t have enough room for people’s items and made boarding and boarding disappointing and stressful. Crew allowed passengers to bring more than the permitted baggage sizes.

It was great. Smooth flight, comfortable, left on time and landed on time.

Horrible experience upon landing. Probably more due to DCA utter incompetence than AA.

Easy boarding. Rows are smaller but that may be an older and bigger me now :)

Flight has been delayed every time I've ever taken it. Seats uncomfortable. Children behind me yelling the entire flight. Some of this is out of their control but overall just consistently not a great experience.

Poor communication ahead of time about flight delays and old planes/other equipment.

Never going to fly your airline again if it can be avoided.

Not to have gotten delayed by 2+ hours for the fourth straight American flight. They're the worst.

Other than nearly three hour delay for maintenance issues, everything went smooth

Snow delayed boarding several times, which I understand happens. Issue I had was that after we did board, pilot told us we were going to roll out to be de-iced, then on our way. We were de-iced once, taxied to the tarmac and then stopped. Sat for another 30 minutes or so, the another de-icing. Then we rolled out to a parking spot, only to sit for another hour due to a traffic stop in DCA, which I'm confident they knew would happen before we boarded. Pilot gave no updates other than we had to hold, attendants did speak to the crew, but when asked, said the pilot would be updating us. We on the ground in the plane waiting for over 2 hours. They did communicate that bathrooms would be open, but no other news until we left. Would have been better to be up front about status.

gave me complimentary food as the flight was not full and was attentive to my needs

It was a nice and smooth trip. Gave a friendly environment throughout the journey.

Meal and drink service was good. Old plane with old business class seats were quite disappointing

The flight was smooth, the plane was spacious and clean, the staff was kind and the food was decent.

Pretzels were a bit dry and dusty, however it is nice to have a choice between sweet and savory snacks.

Flight crew was great, and even the crew for checking bags! I had a question for a friend of mine flying tomorrow and the man I talked to was awesome and answered my questions and looked up things for me when he didn’t have to! I was able to give her current & accurate info for her flight and she was so appreciative too!!

Never flown with Air Canada before, but it's now a top choice! Loved it!

Horrible crew, horrible seats configuration, ridiculous space in the toilets, Air Canada is no longer a option.

Crew at gate and onboard were just very OK, not very friendly and honestly seemed bothered to be there. I will give a shout out to still selling headphones for those who forgot.

Flight Boarded and departed on time. The Flight crew was very friendly and accommodating. The aircraft was clean and free from clutter and debris. I will be happy to recommend Air Canada to my friends and relatives for their flight needs. They were very attentive and responsive to our needs as Senior citizens.

Everything you need to know for your flight from Sydney to Dulles Intl

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Flight deals from the most popular airlines with KAYAK users flying the route