What are the cheapest airlines to fly from Washington, D.C. to Australia one-way?

The cheapest airlines for a one-way flight from Washington, D.C. to Australia are Qantas Airways ($384), American Airlines ($396), and British Airways ($455).

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

The most popular flight routes from Washington, D.C. to Australia are Washington, D.C. Dulles Intl - Sydney Kingsford Smith, Washington, D.C. Reagan-National - Sydney Kingsford Smith and Baltimore/Washington - Sydney Kingsford Smith.

What are the most popular airlines that fly from Washington, D.C. to Australia?

When booking a flight from Washington, D.C. to Australia, you may want to consider flying on American Airlines, Air Canada or Alaska Airlines as they are the most popular for this route.

How far in advance should I book a flight from Washington, D.C. to Australia?

To save up to 3% on this flight, we recommend booking at least 25 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. to Australia from $956 1-2 weeks out and tickets from $1,283 for flights departing within the next 72 hours.

What is the cheapest month to fly from Washington, D.C. to Australia?

Flights from Washington, D.C. to Australia lean towards being more expensive in December. Prices are generally better when you fly from Washington, D.C. to Australia in February, with the cheapest ticket starting at $824.

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

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

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

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

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

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

$932+ Flights from Washington, D.C. to Australia

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$806 (Justfly.com)
One-way from	$384 (Justfly.com)
Popular in	December
Cheapest in	February
Average price	$933

Provider with most accurate pricing for Washington, D.C. (WAS)-Sydney Kingsford Smith flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sydney Kingsford Smith flights.

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From Washington, D.C. (WAS) to Australia

Search Deals

One-way flight from Washington, D.C. (WAS) to Australia

Search Deals

Highest demand for flights based on searches. 18% potential increase in price ($296 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($50 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 2025

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

Cheapest flights from Washington, D.C. to Australia
Explore the most affordable flight options available from Washington, D.C. to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

Tue 2/258:00 amDCA - BNE

1 stop30h 00mQantas Airways

Thu 3/69:40 amBNE - DCA

1 stop21h 43mQantas Airways

Deal found 2/21

$806

Tue 2/255:13 pmIAD - BNE

1 stop22h 02mQantas Airways

Thu 3/69:40 amBNE - IAD

1 stop21h 42mQantas Airways

Deal found 2/21

$813

Wed 5/711:54 amDCA - BNE

2 stops27h 06mAmerican Airlines

Tue 5/1310:00 pmBNE - DCA

2 stops26h 44mAmerican Airlines

Deal found 2/21

$826

Wed 5/71:59 pmIAD - BNE

2 stops25h 01mAmerican Airlines

Tue 5/1310:00 pmBNE - IAD

2 stops24h 51mAmerican Airlines

Deal found 2/21

$826

Mon 2/249:12 amIAD - SYD

2 stops29h 23mAmerican Airlines

Mon 3/311:50 amSYD - IAD

2 stops28h 03mAmerican Airlines

Deal found 2/20

$837

Mon 3/310:31 amDCA - SYD

1 stop28h 04mAmerican Airlines

Wed 4/211:25 amSYD - DCA

2 stops21h 34mAmerican Airlines

Deal found 2/21

$837

Sat 2/228:00 amDCA - MEL

1 stop33h 30mAmerican Airlines

Sat 3/18:30 amMEL - DCA

2 stops23h 40mAmerican Airlines

Deal found 2/21

$852

Fri 3/216:18 amIAD - MEL

1 stop32h 22mAmerican Airlines

Fri 3/288:00 amMEL - IAD

2 stops23h 20mAmerican Airlines

Deal found 2/22

$852

Sun 12/71:15 pmDCA - SYD

1 stop25h 40mQantas Airways

Sun 12/142:30 pmSYD - DCA

1 stop20h 25mQantas Airways

Deal found 2/22

$897

Sat 8/25:27 pmIAD - SYD

1 stop23h 28mQantas Airways

Tue 8/1212:10 pmSYD - IAD

1 stop24h 31mQantas Airways

Deal found 2/22

$900

Sun 4/133:05 pmIAD - SYD

2 stops25h 30mDelta

Tue 4/229:25 amSYD - IAD

2 stops28h 01mDelta

Deal found 2/21

$926

Sun 4/132:55 pmDCA - SYD

2 stops25h 40mDelta

Wed 4/239:25 amSYD - DCA

2 stops24h 00mDelta

Deal found 2/21

$926

Best flights from Washington, D.C. to Australia
Discover carefully curated flight deals from Washington, D.C. to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 22, 2025.

Tue 2/258:00 amDCA - BNE

1 stop30h 00mQantas Airways

Thu 3/69:40 amBNE - DCA

1 stop21h 43mQantas Airways

Deal found 2/21

$806

Wed 5/72:30 pmDCA - BNE

2 stops24h 30mAmerican Airlines

Tue 5/1310:00 pmBNE - DCA

2 stops26h 59mAmerican Airlines

Deal found 2/21

$826

Sun 4/133:05 pmIAD - SYD

2 stops25h 30mDelta

Tue 4/229:25 amSYD - IAD

2 stops28h 01mDelta

Deal found 2/21

$926

Wed 4/162:53 pmBWI - SYD

2 stops30h 52mMultiple Airlines

Wed 4/231:15 pmSYD - BWI

3 stops30h 31mMultiple Airlines

Deal found 2/21

$992

Mon 3/176:15 amBWI - BNE

1 stop34h 15mUnited Airlines

Tue 4/110:30 amBNE - BWI

2 stops32h 48mUnited Airlines

Deal found 2/22

$1,157

Mon 8/114:00 pmIAD - SYD

2 stops28h 35mAir New Zealand

Sun 8/249:55 amSYD - IAD

2 stops28h 29mAir New Zealand

Deal found 2/20

$1,195

Tue 3/186:58 pmDCA - SYD

2 stops26h 32mFiji Airways

Tue 4/16:15 amSYD - DCA

2 stops31h 44mFiji Airways

Deal found 2/21

$1,222

Mon 3/176:15 amBWI - BNE

1 stop34h 15mLufthansa

Tue 4/110:30 amBNE - BWI

1 stop21h 02mLufthansa

Deal found 2/22

$1,313

Mon 3/1710:25 pmIAD - MEL

2 stops31h 30mTurkish Airlines

Wed 4/29:50 pmMEL - IAD

2 stops36h 55mTurkish Airlines

Deal found 2/21

$1,353

Sun 6/85:20 pmIAD - SYD

1 stop24h 00mAir Canada

Mon 6/309:20 amSYD - IAD

1 stop20h 57mAir Canada

Deal found 2/21

$1,386

Fri 7/45:00 pmIAD - SYD

1 stop23h 35mAlaska Airlines

Sat 7/265:35 pmSYD - IAD

1 stop26h 45mAlaska Airlines

Deal found 2/22

$1,425

Tue 4/87:01 pmDCA - MEL

1 stop43h 59mBritish Airways

Tue 4/159:40 amMEL - DCA

1 stop25h 13mBritish Airways

Deal found 2/22

$1,590

Last-minute flights from Washington, D.C. to Australia
Discover last-minute flight deals from Washington, D.C. to Australia. Data last updated February 22, 2025 and is based on user searches.

Sat 2/228:00 amDCA - MEL

1 stop33h 30mAmerican Airlines

Sat 3/18:30 amMEL - DCA

2 stops23h 40mAmerican Airlines

Deal found 2/21

$852

Mon 2/249:12 amIAD - BNE

2 stops28h 48mAmerican Airlines

Fri 2/2810:00 pmBNE - IAD

2 stops25h 42mAmerican Airlines

Deal found 2/21

$829

Mon 2/249:12 amIAD - SYD

2 stops29h 23mAmerican Airlines

Mon 3/311:50 amSYD - IAD

2 stops28h 03mAmerican Airlines

Deal found 2/20

$837

Tue 2/258:00 amDCA - BNE

1 stop30h 00mQantas Airways

Thu 3/69:40 amBNE - DCA

1 stop21h 43mQantas Airways

Deal found 2/21

$806

Tue 2/255:13 pmIAD - BNE

1 stop22h 02mQantas Airways

Thu 3/69:40 amBNE - IAD

1 stop21h 42mQantas Airways

Deal found 2/21

$813

Tue 2/251:54 pmDCA - BNE

2 stops24h 06mAmerican Airlines

Thu 3/69:40 amBNE - DCA

2 stops21h 19mAmerican Airlines

Deal found 2/21

$841

Tue 2/251:42 pmIAD - SYD

2 stops25h 08mDelta

Mon 5/59:25 amSYD - IAD

2 stops29h 03mDelta

Deal found 2/20

$937

Wed 2/268:00 amDCA - SYD

2 stops33h 20mQantas Airways

Fri 2/2811:50 amSYD - DCA

1 stop27h 10mQantas Airways

Deal found 2/22

$916

Thu 2/271:48 pmBWI - SYD

2 stops27h 12mAmerican Airlines

Fri 3/2811:15 amSYD - BWI

2 stops26h 02mAmerican Airlines

Deal found 2/20

$1,436

Sat 3/15:13 pmIAD - MEL

1 stop44h 27mQantas Airways

Sat 3/157:25 pmMEL - IAD

2 stops41h 49mQantas Airways

Deal found 2/20

$1,043

Sat 3/16:52 pmBWI - SYD

1 stop22h 13mUnited Airlines

Mon 3/1711:50 amSYD - BWI

1 stop25h 53mUnited Airlines

Deal found 2/21

$1,447

Mon 3/312:57 pmDCA - BNE

1 stop26h 18mQantas Airways

Wed 3/59:40 amBNE - DCA

1 stop19h 07mQantas Airways

Deal found 2/22

$816

One-way flights from Washington, D.C. to Australia
Search for one-way flight options from Washington, D.C. to Australia. Find affordable one-way fares based on user searches. Data last updated February 22, 2025.

Sat 4/195:30 pmDCA - SYD

1 stop23h 35mQantas Airways

Deal found 2/22

$384

Fri 4/186:18 amIAD - SYD

2 stops34h 17mAmerican Airlines

Deal found 2/22

$396

Fri 4/185:30 pmDCA - SYD

1 stop23h 05mAmerican Airlines

Deal found 2/21

$396

Sun 7/131:44 pmDCA - MEL

2 stops25h 16mAmerican Airlines

Deal found 2/20

$418

Fri 3/289:20 amIAD - BNE

2 stops29h 40mAmerican Airlines

Deal found 2/21

$419

Mon 3/248:15 amDCA - BNE

1 stop30h 45mQantas Airways

Deal found 2/22

$423

Mon 3/245:20 pmIAD - BNE

1 stop22h 10mQantas Airways

Deal found 2/22

$429

Mon 4/78:16 amDCA - MEL

1 stop32h 29mQantas Airways

Deal found 2/21

$430

Mon 4/72:12 pmIAD - MEL

2 stops26h 28mAmerican Airlines

Deal found 2/21

$432

Wed 4/97:31 amIAD - SYD

1 stop33h 04mQantas Airways

Deal found 2/20

$450

Tue 5/65:30 pmDCA - MEL

2 stops27h 05mBritish Airways

Deal found 2/21

$455

Fri 4/1812:17 pmBWI - SYD

2 stops28h 18mMultiple Airlines

Deal found 2/22

$513

Find flights from Washington, D.C. to Australia within your budget

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Wed 5/7

2:30 pm-5:00 am

2 stops24h 30m

Brisbane

Tue 5/13

10:00 pm-10:59 am

2 stops26h 59m

$826

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Wed 5/7

1:59 pm-5:00 am

2 stops25h 01m

Brisbane

Tue 5/13

10:00 pm-8:51 am

2 stops24h 51m

$826

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 5/6

11:47 am-6:05 am

2 stops28h 18m

Sydney Kingsford Smith

Tue 5/20

10:25 am-7:32 pm

2 stops23h 07m

$837

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 7/1

3:19 pm-6:55 am

1 stop25h 36m

Sydney Kingsford Smith

Tue 8/5

10:25 am-6:59 pm

2 stops22h 34m

$837

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Fri 3/21

6:18 am-5:40 am

1 stop32h 22m

Melbourne

Fri 3/28

8:00 am-4:20 pm

2 stops23h 20m

$852

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Thu 5/1

5:30 pm-10:35 am

2 stops27h 05m

Melbourne

Sat 5/10

9:40 am-8:52 pm

1 stop25h 12m

$857

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sat 8/2

5:27 pm-6:55 am

1 stop23h 28m

Sydney Kingsford Smith

Tue 8/12

12:10 pm-10:41 pm

1 stop24h 31m

$900

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 3/4

12:57 pm-6:35 am

1 stop25h 38m

Sydney Kingsford Smith

Mon 3/17

6:05 am-1:44 pm

2 stops22h 39m

$924

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 4/13

3:05 pm-6:35 am

2 stops25h 30m

Sydney Kingsford Smith

Tue 4/22

9:25 am-11:26 pm

2 stops28h 01m

$926

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 4/13

2:55 pm-6:35 am

2 stops25h 40m

Sydney Kingsford Smith

Wed 4/23

9:25 am-7:25 pm

2 stops24h 00m

$926

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Showing 1-10 of 60 results

...

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

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

Travel insights for flights from Washington, D.C. to Australia

Get recent, data-driven insights about flights from Washington, D.C. to Australia including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Australia (average of $1,051). Flying from Washington, D.C. to Australia in December is currently the most expensive (average of $1,643). 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.

What is the cheapest time of day to fly from WAS to AU?

When flying from Washington, D.C. to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Australia by month

In terms of precipitation, rainfall in Australia ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Australia when rainfall is around 2.0 in.

Temperature in Australia by month

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Australia

To help decide which airline to fly from Washington, D.C. to Australia, see what other customers have to say about Air Tahiti Nui, ANA and Emirates. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air Tahiti Nui

8.7

Very good

61 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air Tahiti Nui

8.7

Very good

61 reviews

Air Tahiti Nui

8.7

Very good

61 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

ANA

8.4

Very good

836 reviews

Air Tahiti Nui

8.7

Very good

61 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Emirates

8.1

Very good

3,276 reviews

Air Tahiti Nui

8.7

Very good

61 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Singapore Airlines

8.1

Very good

1,297 reviews

Air Tahiti Nui

8.7

Very good

61 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Fiji Airways

8.0

Very good

184 reviews

Air Tahiti Nui

8.7

Very good

61 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Related info for your journey

What are the cheapest airlines to fly from Washington, D.C. to Australia one-way?
The cheapest airlines for a one-way flight from Washington, D.C. to Australia are Qantas Airways ($384), American Airlines ($396), and British Airways ($455).
What are the most popular routes from Washington, D.C. to Australia?
The most popular flight routes from Washington, D.C. to Australia are Washington, D.C. Dulles Intl - Sydney Kingsford Smith, Washington, D.C. Reagan-National - Sydney Kingsford Smith and Baltimore/Washington - Sydney Kingsford Smith.
Can I find deals for flights from Washington, D.C. to Australia that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Australia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Australia.
Can I find deals for business class flights from Washington, D.C. to Australia?
Yes. Cheapflights offers flight deals from Washington, D.C. to Australia 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 Washington, D.C. to Australia?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Australia (average of $1,051). Flying from Washington, D.C. to Australia in December is currently the most expensive (average of $1,643). 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

Browse thousands of different options on Cheapflights for your next trip

Top 8 airlines flying from Washington, D.C. to Australia

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$221	Average$426	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$600	Average$1,101	FlexibilityNo cancel fee	On-time71%
Qantas Airways	Cheapest$678	Average$1,515	FlexibilityNo cancel fee	On-time74%
Delta	Cheapest$848	Average$1,158	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$1,014	Average$1,786	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$1,051	Average$1,349	FlexibilityNo cancel fee	On-time67%
Air New Zealand	Cheapest$1,277	Average$1,636	FlexibilityNo cancel fee	On-time78%
ANA	Cheapest$1,554	Average$1,826	FlexibilityNo cancel fee	On-time80%

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$384+ Cheap flights from Washington, D.C. (WAS) to Australia

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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Australia with Cheapflights

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

Keep the following information in mind while searching for Washington, D.C. to Australia flight deals. Data was last updated February 22, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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

Cheapest flights from Washington, D.C. to AustraliaExplore the most affordable flight options available from Washington, D.C. to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

Explore the most affordable flight options available from Washington, D.C. to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

Find flights from Washington, D.C. to Australia within your budget

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

Have a flexible travel schedule? Discover the best time to fly to Australia from Washington, D.C. with our price prediction graph.

Travel insights for flights from Washington, D.C. to Australia

Get recent, data-driven insights about flights from Washington, D.C. to Australia including ideal travel times, pricing trends, and more.

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

What is the cheapest time of day to fly from WAS to AU?

Find hourly flight availability from Washington, D.C. to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 22, 2025.

Rainfall in Australia by month

Plan your trip to Australia by taking into account the average rainfall totals by month.

Temperature in Australia by month

Plan your trip to Australia by taking into account the average temperature totals by month.

Reviews of airlines servicing Australia

To help decide which airline to fly from Washington, D.C. to Australia, see what other customers have to say about Air Tahiti Nui, ANA and Emirates. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the cheapest airlines to fly from Washington, D.C. to Australia one-way?

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

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

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

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

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

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Alternative routes for Washington, D.C. to Australia

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Washington, D.C. to Australia

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Cheapest flights from Washington, D.C. to Australia
Explore the most affordable flight options available from Washington, D.C. to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.