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Washington, D.C.

$608+ 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — WAS
Aug 1 — Aug 81
Sat 8/1
Sat 8/8
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 July 2, 2026.

This Trip.com deal was found by Cheapflights users on 6/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:15 am
SYD
-
IAD
3 stops44h 32m
Multiple Airlines
Wed 8/1911:05 am
IAD
-
SYD
3 stops34h 45m
Multiple Airlines
Deal found 6/30$909
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:15 am
SYD
-
IAD
3 stops42h 01m
Multiple Airlines
Tue 8/49:50 am
IAD
-
SYD
3 stops36h 00m
Multiple Airlines
Deal found 6/29$916
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:15 pm
SYD
-
IAD
3 stops33h 05m
Multiple Airlines
Thu 8/208:59 am
IAD
-
SYD
3 stops36h 51m
Multiple Airlines
Deal found 6/29$918
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:15 pm
SYD
-
BWI
3 stops45h 19m
Multiple Airlines
Thu 8/2011:09 am
BWI
-
SYD
3 stops34h 41m
Multiple Airlines
Deal found 6/29$950
This Trip.com deal was found by Cheapflights users on 6/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/141:15 pm
SYD
-
IAD
3 stops33h 05m
Multiple Airlines
Fri 8/2110:45 am
IAD
-
SYD
3 stops35h 05m
Multiple Airlines
Deal found 6/30$976
This Aunt Betty deal was found by Cheapflights users on 7/1. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:00 pm
SYD
-
BWI
1 stop23h 34m
Qantas Airways
Wed 9/93:57 pm
BWI
-
SYD
1 stop24h 58m
Qantas Airways
Deal found 7/1$978
This American Airlines deal was found by Cheapflights users on 6/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:10 am
SYD
-
BWI
2 stops24h 40m
American Airlines
Wed 9/92:08 pm
BWI
-
SYD
2 stops26h 57m
American Airlines
Deal found 6/27$980
This Trip.com deal was found by Cheapflights users on 6/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/141:15 pm
SYD
-
BWI
3 stops45h 19m
Multiple Airlines
Fri 8/216:45 am
BWI
-
SYD
3 stops39h 05m
Multiple Airlines
Deal found 6/30$988
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2712:00 pm
SYD
-
BWI
1 stop25h 43m
American Airlines
Wed 8/123:55 pm
BWI
-
SYD
1 stop25h 00m
American Airlines
Deal found 7/1$994
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2110:20 am
SYD
-
BWI
2 stops25h 06m
United Airlines
Wed 8/57:23 pm
BWI
-
SYD
1 stop21h 37m
United Airlines
Deal found 6/30$997
This United Airlines deal was found by Cheapflights users on 6/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:20 am
SYD
-
BWI
1 stop21h 20m
United Airlines
Sun 9/69:00 am
BWI
-
SYD
1 stop32h 00m
United Airlines
Deal found 6/28$998
This United Airlines deal was found by Cheapflights users on 6/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:20 am
SYD
-
BWI
2 stops39h 27m
United Airlines
Mon 8/103:03 pm
BWI
-
SYD
2 stops25h 57m
United Airlines
Deal found 6/28$1,001

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 July 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$909
(Trip.com)

One-way from

$608
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,439
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. 2% potential increase in price ($38 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 July 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 July 2, 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

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Mon 7/27

9:30 am-5:43 pm

1 stop22h 13m

Baltimore/Washington

Mon 8/10

3:03 pm-7:00 am

2 stops25h 57m

$1,001

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Mon 8/3

9:15 am-11:18 pm

2 stops28h 03m

Baltimore/Washington

Wed 8/12

12:30 pm-6:50 am

2 stops28h 20m

$1,039

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Thu 8/27

8:45 pm-8:00 pm

2 stops37h 15m

Washington, D.C. Reagan-National

Tue 9/1

9:30 am-6:50 pm

2 stops43h 20m

$1,109

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Thu 8/13

10:20 am-5:40 pm

1 stop21h 20m

Baltimore/Washington

Thu 8/20

3:04 pm-6:55 am

2 stops25h 51m

$1,111

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Tue 7/21

9:30 am-12:28 am

3 stops28h 58m

Baltimore/Washington

Fri 8/7

4:23 pm-6:55 am

2 stops24h 32m

$1,112

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Sun 8/30

10:20 am-5:40 pm

1 stop21h 20m

Baltimore/Washington

Sun 9/6

9:00 am-7:00 am

1 stop32h 00m

$1,121
Quickest round-trip

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Wed 8/12

10:20 am-5:40 pm

1 stop21h 20m

Baltimore/Washington

Sun 8/16

6:52 pm-6:55 am

1 stop22h 03m

$1,156

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Fri 8/28

8:45 pm-8:00 pm

2 stops37h 15m

Washington, D.C. Reagan-National

Tue 9/1

9:30 am-6:50 pm

2 stops43h 20m

$1,176

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Tue 8/11

8:45 pm-8:00 pm

2 stops37h 15m

Washington, D.C. Reagan-National

Tue 8/25

6:59 pm-6:50 pm

2 stops33h 51m

$1,267

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Sat 10/17

8:45 pm-8:00 pm

2 stops38h 15m

Washington, D.C. Reagan-National

Sun 11/8

9:30 am-7:45 pm

2 stops42h 15m

$1,276

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 49 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 July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star

*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.

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

Currently, December is the cheapest month in which you can book a flight from Sydney to Washington, D.C. (average of $337). Flying from Sydney to Washington, D.C. in April is currently the most expensive (average of $857). 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.?

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

The best time to book flights from Sydney to Washington, D.C. is 65 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.

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 July 2, 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
9,926 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,926 reviews
United Airlines
7.4
Good
9,926 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 22h 13m. United Airlines provides one of the quickest options available for as low as $1,001. There are 9781 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 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, December is the cheapest month in which you can book a flight from Sydney to Washington, D.C. (average of $337). Flying from Sydney to Washington, D.C. in April is currently the most expensive (average of $857). 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
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Falls Church
Fredericksburg
Hanover
Manassas
Silver Spring
Laurel
Clinton
Hunt Valley
Cordova
Woodbridge

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 July 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$833Average$1,583FlexibilityNo cancel feeOn-time69%

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