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Washington, D.C.

$438+ Cheap flights from Australia 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — WAS
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
1 adult, Economy
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Cheap flight deals from Australia to Washington, D.C.

Cheapest flights from Australia to Washington, D.C.
Explore the most affordable flight options available from Australia to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2026.

This Trip.com deal was found by Cheapflights users on 7/31. 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 9/91:15 pm
SYD
-
IAD
3 stops35h 12m
Multiple Airlines
Fri 9/2511:12 am
IAD
-
SYD
3 stops34h 38m
Multiple Airlines
Deal found 7/31$804
This BestPriceTravel deal was found by Cheapflights users on 7/30. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:20 am
SYD
-
IAD
2 stops25h 58m
Air Canada
Sun 9/2010:10 pm
IAD
-
SYD
2 stops43h 10m
Air Canada
Deal found 7/30$946
This BestPriceTravel deal was found by Cheapflights users on 7/30. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:20 am
SYD
-
IAD
2 stops36h 23m
Air Canada
Tue 9/2212:43 pm
IAD
-
SYD
2 stops28h 37m
Air Canada
Deal found 7/30$950
This United Airlines deal was found by Cheapflights users on 7/31. 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 8/3110:55 am
MEL
-
BWI
2 stops37h 14m
United Airlines
Mon 9/78:10 am
BWI
-
MEL
2 stops33h 20m
United Airlines
Deal found 7/31$959
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Sun 8/169:30 am
MEL
-
BWI
1 stop35h 16m
United Airlines
Fri 8/285:44 pm
BWI
-
MEL
1 stop23h 46m
United Airlines
Deal found 7/28$960
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/910:55 am
MEL
-
BWI
1 stop21h 02m
United Airlines
Thu 10/296:34 pm
BWI
-
MEL
1 stop23h 56m
United Airlines
Deal found 7/29$969
This Trip.com deal was found by Cheapflights users on 7/30. 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.
Mon 9/1410:00 am
BNE
-
IAD
2 stops24h 25m
Air Canada
Mon 9/219:45 am
IAD
-
BNE
2 stops31h 20m
Air Canada
Deal found 7/30$976
This Air Canada deal was found by Cheapflights users on 8/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:20 am
SYD
-
IAD
2 stops25h 03m
Air Canada
Tue 11/109:55 am
IAD
-
SYD
2 stops31h 40m
Air Canada
Deal found 8/1$984
This Gotogate deal was found by Cheapflights users on 7/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:15 am
BNE
-
IAD
2 stops24h 09m
Air Canada
Wed 8/199:45 am
IAD
-
BNE
2 stops31h 20m
Air Canada
Deal found 7/29$986
This Air Canada deal was found by Cheapflights users on 7/31. 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.
Wed 9/99:20 am
SYD
-
DCA
2 stops26h 30m
Multiple Airlines
Tue 9/222:59 pm
DCA
-
SYD
2 stops26h 21m
Multiple Airlines
Deal found 7/31$986
This Air Canada deal was found by Cheapflights users on 7/31. 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 9/310:15 am
BNE
-
IAD
2 stops25h 03m
Air Canada
Tue 9/1512:43 pm
IAD
-
BNE
2 stops28h 22m
Air Canada
Deal found 7/31$988
This Aunt Betty deal was found by Cheapflights users on 7/31. 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 9/910:00 am
BNE
-
IAD
1 stop34h 30m
Air Canada
Wed 9/233:15 pm
IAD
-
BNE
2 stops25h 50m
Air Canada
Deal found 7/31$989

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

Keep the following information in mind while searching for Australia to Washington, D.C. flight deals. Data was last updated August 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$804
(Trip.com)

One-way from

$438
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$1,021
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 Australia to Washington, D.C. (WAS)
Search Deals
One-way flight from Australia to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($123 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Australia 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 August 2, 2026.
Use the filters below to find and compare flights from Australia to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MelbourneBaltimore

MEL - BWI

MELBWI

Melbourne

Mon 8/17

10:55 am-10:09 am

2 stops37h 14m

Baltimore/Washington

Mon 8/31

6:52 pm-8:15 am

1 stop23h 23m

$959

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

Wed 9/9

10:00 am-6:30 am

1 stop34h 30m

Washington, D.C. Dulles Intl

Wed 9/23

3:15 pm-7:05 am

2 stops25h 50m

$989

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

Tue 9/29

10:00 am-11:13 am

2 stops39h 13m

Washington, D.C. Dulles Intl

Mon 10/19

9:45 am-7:05 am

2 stops31h 20m

$1,002

BrisbaneWashington, D.C.

BNE - DCA

BNEDCA

Brisbane

Tue 9/29

10:00 am-10:20 am

2 stops38h 20m

Washington, D.C. Reagan-National

Mon 10/19

9:40 am-7:05 am

2 stops31h 25m

$1,003

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

Tue 8/18

10:15 am-7:43 am

2 stops35h 28m

Washington, D.C. Dulles Intl

Mon 8/24

8:29 am-7:05 am

1 stop32h 36m

$1,020

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

Mon 8/17

10:00 am-7:43 am

2 stops35h 43m

Washington, D.C. Dulles Intl

Sun 8/23

8:15 am-7:05 am

2 stops56h 50m

$1,020

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

Tue 9/8

8:45 pm-9:24 pm

3 stops38h 39m

Washington, D.C. Dulles Intl

Sun 9/13

4:00 pm-7:05 am

2 stops25h 05m

$1,073

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

Wed 8/19

10:00 am-7:01 pm

2 stops23h 01m

Washington, D.C. Dulles Intl

Tue 8/25

3:45 pm-7:05 am

2 stops25h 20m

$1,112

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Wed 9/9

9:15 am-9:30 pm

2 stops26h 15m

Baltimore/Washington

Wed 9/16

12:02 pm-6:50 am

2 stops28h 48m

$1,129

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Wed 9/9

10:20 am-5:40 pm

1 stop21h 20m

Baltimore/Washington

Wed 9/16

1:05 pm-7:00 am

2 stops27h 55m

$1,129

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Australia to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Australia 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 Australia to Washington, D.C.

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

Currently, November is the cheapest month in which you can book a flight from Australia to Washington, D.C. (average of $1,069). Flying from Australia to Washington, D.C. in July is currently the most expensive (average of $1,485). 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 far ahead should I book a flight from Australia to Washington, D.C.?

The best time to book flights from Australia 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 August 2, 2026.
Read reviews from past customers who have flown United Airlines from Australia to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,061 reviews

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Comfort

7.3

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
10,061 reviews
United Airlines
7.4
Good
10,061 reviews

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Comfort

7.3

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 Australia 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.

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

    A quick flight from Australia to Washington, D.C. can take about 34h 30m. United Airlines provides one of the quickest options available for as low as $989. The distance from Australia to Washington, D.C. is about 9439 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    When deciding which route to take from Australia to Washington, D.C. consider Sydney Kingsford Smith - Washington, D.C. Dulles Intl, Brisbane - Washington, D.C. Reagan-National or Sydney Kingsford Smith - Baltimore/Washington as they are the most popular.

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

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

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

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

    Yes. Cheapflights offers flight deals from Australia 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 Australia to Washington, D.C.?

    Currently, November is the cheapest month in which you can book a flight from Australia to Washington, D.C. (average of $1,069). Flying from Australia to Washington, D.C. in July is currently the most expensive (average of $1,485). 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
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Fredericksburg
Falls Church
Hanover
Laurel
Clinton
Hunt Valley
Cordova
Woodbridge
Largo
Upper Marlboro

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Australia to Washington, D.C.

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

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

Discover the top airline that operate flights from Australia 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 August 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$833Average$1,583FlexibilityNo cancel feeOn-time69%

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