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Washington, D.C.

$684+ Cheap flights from Sydney (SYD) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — WAS
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
1 adult, Economy
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Find cheap flights from Sydney to Washington, D.C. with Cheapflights

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Cheap flight deals from Sydney to Washington, D.C.

Cheapest flights from Sydney to Washington, D.C.
Explore the most affordable flight options available from Sydney to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 24, 2026.

This CheersTravel deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheersTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/69:20 am
SYD
-
IAD
2 stops40h 30m
Air Canada
Wed 5/138:15 am
IAD
-
SYD
2 stops33h 05m
Air Canada
Deal found 3/22$921
This CheersTravel deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheersTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/229:20 am
SYD
-
DCA
2 stops40h 40m
Air Canada
Tue 7/2812:40 pm
DCA
-
SYD
2 stops28h 40m
Air Canada
Deal found 3/20$924
This CheersTravel deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheersTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/229:20 am
SYD
-
IAD
2 stops36h 24m
Air Canada
Tue 7/2812:44 pm
IAD
-
SYD
2 stops28h 36m
Air Canada
Deal found 3/20$928
This CheersTravel deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheersTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/59:20 am
SYD
-
DCA
2 stops40h 41m
Air Canada
Tue 5/129:40 am
DCA
-
SYD
2 stops31h 40m
Air Canada
Deal found 3/20$929
This Gotogate deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:20 am
SYD
-
DCA
2 stops38h 59m
Air Canada
Wed 5/66:00 am
DCA
-
SYD
2 stops35h 20m
Air Canada
Deal found 3/21$937
This Flightnetwork deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:20 am
SYD
-
IAD
2 stops48h 20m
Air Canada
Wed 5/69:45 am
IAD
-
SYD
2 stops31h 35m
Air Canada
Deal found 3/21$942
This Gotogate deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/69:20 am
SYD
-
DCA
2 stops37h 33m
Air Canada
Wed 5/1312:45 pm
DCA
-
SYD
2 stops52h 35m
Air Canada
Deal found 3/23$946
This Air Canada deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/219:20 am
SYD
-
DCA
2 stops37h 33m
Air Canada
Tue 4/2811:00 am
DCA
-
SYD
2 stops30h 20m
Air Canada
Deal found 3/22$961
This Flighttix deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/139:20 am
SYD
-
IAD
2 stops36h 30m
Air Canada
Sun 5/245:15 pm
IAD
-
SYD
2 stops48h 05m
Air Canada
Deal found 3/21$967
This Orbitz deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:20 am
SYD
-
DCA
2 stops24h 40m
Air Canada
Thu 10/2912:55 pm
DCA
-
SYD
2 stops28h 40m
Air Canada
Deal found 3/22$984
This CheersTravel deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheersTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/49:20 am
SYD
-
DCA
2 stops37h 33m
Air Canada
Mon 5/1112:45 pm
DCA
-
SYD
2 stops52h 35m
Air Canada
Deal found 3/20$985
This Air Canada deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:20 am
SYD
-
IAD
2 stops40h 30m
Air Canada
Sun 4/265:10 pm
IAD
-
SYD
2 stops48h 10m
Air Canada
Deal found 3/19$987

Find flight deals from Sydney to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$921
(CheersTravel)

One-way from

$684
(Kiwi.com)

Popular in

April

Cheapest in

September

Average price

$1,139
Provider with most accurate pricing for Sydney Kingsford Smith-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Washington, D.C. (WAS) flights.
Search Deals
From Sydney Kingsford Smith to Washington, D.C. (WAS)
Search Deals
One-way flight from Sydney Kingsford Smith to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($99 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sydney to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 24, 2026.
Use the filters below to find and compare flights from Sydney to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Thu 7/16

9:15 am-3:35 pm

1 stop20h 20m

Washington, D.C. Reagan-National

Sun 7/26

10:15 am-6:50 am

2 stops30h 35m

$1,237

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Thu 7/16

9:10 am-8:29 pm

1 stop25h 19m

Washington, D.C. Reagan-National

Sun 7/26

5:31 pm-7:30 am

1 stop23h 59m

$1,237

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Tue 4/21

9:30 am-7:13 pm

2 stops23h 43m

Washington, D.C. Reagan-National

Tue 4/28

5:59 pm-6:55 am

1 stop22h 56m

$1,238

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Thu 7/16

12:00 pm-9:30 pm

1 stop23h 30m

Washington, D.C. Reagan-National

Sun 7/26

5:31 pm-7:05 am

1 stop23h 34m

$1,238

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Thu 4/23

9:15 am-11:26 pm

2 stops28h 11m

Baltimore/Washington

Wed 5/6

10:11 am-6:50 am

2 stops30h 39m

$1,238

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Tue 4/21

9:30 am-5:08 pm

1 stop21h 38m

Baltimore/Washington

Tue 4/28

3:42 pm-6:55 am

2 stops25h 13m

$1,238
Quickest round-trip

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Wed 7/22

12:00 pm-7:19 pm

1 stop21h 19m

Baltimore/Washington

Tue 7/28

7:16 pm-6:55 am

1 stop21h 39m

$1,241

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 5/4

10:20 am-9:04 pm

1 stop24h 44m

Washington, D.C. Dulles Intl

Mon 5/11

5:55 pm-6:55 am

1 stop23h 00m

$1,242

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Wed 7/22

9:15 am-6:50 pm

2 stops23h 35m

Baltimore/Washington

Tue 7/28

1:00 pm-6:50 am

2 stops27h 50m

$1,242

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Thu 7/16

9:15 am-6:50 pm

2 stops23h 35m

Baltimore/Washington

Sun 7/26

1:00 pm-6:50 am

2 stops27h 50m

$1,242

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/21

Showing 1-10 of 60 resultsSorted by cheapest first
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Compare providers for flights from Sydney to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sydney to Washington, D.C. in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sydney-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sydney-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sydney-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sydney-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sydney-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sydney to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Sydney with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to Washington, D.C.

How far ahead should I book a flight from Sydney to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Sydney to Washington, D.C.. Price data was last updated on March 13, 2026.

The best time to book flights from Sydney to Washington, D.C. is 22 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Sydney to Washington, D.C.?

Currently, March is the cheapest month in which you can book a flight from Sydney to Washington, D.C. (average of $611). Flying from Sydney to Washington, D.C. in July is currently the most expensive (average of $902). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Sydney to Washington, D.C.?

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated March 24, 2026.
Get a feel of what it's like to fly with United Airlines from Sydney to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,469 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,469 reviews
United Airlines
7.4
Good
9,469 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

Find useful and relevant information for your journey from Sydney to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Sydney to Washington, D.C.?

    For a flight from Sydney to Washington, D.C., you will be flying from Kingsford Smith. Sydney Kingsford Smith (SYD) is just 4.6 mi from the center of the city. Kingsford Smith is the only Sydney airport and it handles 0 outbound flights to Washington, D.C. per day. 1 airline has flights to Washington, D.C. from Sydney Kingsford Smith on a regular basis.

  • How long is the flight from Sydney to Washington, D.C.?

    A quick flight from Sydney to Washington, D.C. can take about 20h 20m. Delta provides one of the quickest options available for as low as $1,237. There are 9758 mi between Sydney and Washington, D.C.. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Sydney to Washington, D.C. round-trip?

    According to our current data, United Airlines ($885), offers the cheapest pricing from Sydney to Washington, D.C.. This flight start at 27% lower than the current average price 3 months from now.

  • What are the most popular routes from Sydney to Washington, D.C.?

    Most travelers choose Sydney Kingsford Smith - Washington, D.C. Dulles Intl, Sydney Kingsford Smith - Baltimore/Washington or Sydney Kingsford Smith - Washington, D.C. Reagan-National when deciding on the best route from Sydney to Washington, D.C..

  • Can I find deals for flights from Sydney to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Sydney to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Washington, D.C..

  • Can I find deals for business class flights from Sydney to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Sydney to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to Washington, D.C.?

    Currently, March is the cheapest month in which you can book a flight from Sydney to Washington, D.C. (average of $611). Flying from Sydney to Washington, D.C. in July is currently the most expensive (average of $902). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Owings Mills
Arlington
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park
Cordova

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sydney to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Sydney to Dulles Intl flights

Top airline flying from Sydney to Washington, D.C.

Discover the top airline that operate flights from Sydney to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$885Average$1,476FlexibilityNo cancel feeOn-time69%

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