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 American Airlines ($482), Fiji Airways ($698), and Air Canada ($816).

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 Washington, D.C. Dulles Intl - Melbourne.

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 Delta 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 10% on this flight, we recommend booking at least 36 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 $1,266 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 $823.

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.

$1,197+ 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	$911 (American Airlines)
One-way from	$482 (American Airlines)
Popular in	December
Cheapest in	February
Average price	$1,020

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

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

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($317 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($50 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 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 March 28, 2025.

Sun 5/118:15 amDCA - BNE

1 stop31h 10mAmerican Airlines

Sun 5/188:05 pmBNE - DCA

1 stop38h 47mAmerican Airlines

Deal found 3/27

$911

Sat 8/211:49 amIAD - BNE

2 stops27h 36mAmerican Airlines

Sun 8/178:05 pmBNE - IAD

2 stops26h 39mAmerican Airlines

Deal found 3/28

$924

Tue 9/911:30 amIAD - BNE

2 stops27h 55mQantas Airways

Tue 9/238:45 amBNE - IAD

2 stops27h 45mQantas Airways

Deal found 3/27

$935

Tue 9/239:55 amIAD - SYD

2 stops31h 25mAir Canada

Wed 10/810:20 amSYD - IAD

2 stops25h 41mAir Canada

Deal found 3/26

$1,036

Sun 5/46:00 amDCA - SYD

2 stops35h 20mAir Canada

Sun 5/189:20 amSYD - DCA

2 stops38h 59mAir Canada

Deal found 3/27

$1,037

Fri 11/148:40 amDCA - SYD

2 stops33h 10mQantas Airways

Sun 12/79:35 pmSYD - DCA

2 stops41h 32mQantas Airways

Deal found 3/28

$1,103

Fri 11/145:16 pmIAD - SYD

2 stops26h 29mQantas Airways

Sun 12/77:05 amSYD - IAD

2 stops25h 01mQantas Airways

Deal found 3/28

$1,106

Tue 9/28:25 amIAD - MEL

2 stops38h 55mAir Canada

Tue 9/238:30 pmMEL - IAD

2 stops48h 15mAir Canada

Deal found 3/27

$1,194

Tue 8/127:30 pmDCA - BNE

2 stops24h 55mFiji Airways

Tue 8/1911:35 amBNE - DCA

2 stops25h 26mFiji Airways

Deal found 3/27

$1,212

Tue 5/66:59 pmDCA - MEL

2 stops34h 21mMultiple Airlines

Sat 5/107:30 amMEL - DCA

2 stops29h 34mMultiple Airlines

Deal found 3/27

$1,215

Tue 8/127:30 pmDCA - SYD

2 stops26h 15mFiji Airways

Tue 8/196:00 amSYD - DCA

2 stops31h 01mFiji Airways

Deal found 3/27

$1,222

Sat 11/85:16 pmIAD - MEL

2 stops26h 04mQantas Airways

Sat 11/226:05 pmMEL - IAD

2 stops44h 13mQantas Airways

Deal found 3/27

$1,226

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 March 28, 2025.

Sun 5/118:15 amDCA - BNE

1 stop31h 10mAmerican Airlines

Sun 5/188:05 pmBNE - DCA

1 stop38h 47mAmerican Airlines

Deal found 3/27

$911

Tue 5/132:14 pmBWI - SYD

2 stops31h 31mMultiple Airlines

Wed 5/211:15 pmSYD - BWI

3 stops30h 54mMultiple Airlines

Deal found 3/26

$965

Tue 9/239:55 amIAD - SYD

2 stops31h 25mAir Canada

Wed 10/810:20 amSYD - IAD

2 stops25h 41mAir Canada

Deal found 3/26

$1,036

Tue 8/127:30 pmDCA - BNE

2 stops24h 55mFiji Airways

Tue 8/1911:35 amBNE - DCA

2 stops25h 26mFiji Airways

Deal found 3/27

$1,212

Tue 5/277:25 pmIAD - SYD

2 stops34h 20mAlaska Airlines

Tue 6/39:40 pmSYD - IAD

2 stops32h 34mAlaska Airlines

Deal found 3/27

$1,336

Mon 8/412:15 pmIAD - SYD

1 stop31h 10mANA

Tue 8/128:55 pmSYD - IAD

1 stop27h 10mANA

Deal found 3/27

$1,346

Mon 8/45:30 pmDCA - MEL

1 stop23h 15mQantas Airways

Mon 8/253:05 pmMEL - DCA

1 stop23h 45mQantas Airways

Deal found 3/27

$1,436

Tue 8/269:40 pmIAD - SYD

2 stops31h 20mTurkish Airlines

Fri 10/319:15 pmSYD - IAD

2 stops38h 15mTurkish Airlines

Deal found 3/27

$1,466

Mon 5/195:30 pmDCA - SYD

1 stop24h 00mBritish Airways

Tue 6/310:25 amSYD - DCA

1 stop38h 34mBritish Airways

Deal found 3/27

$1,498

Sun 5/186:35 pmBWI - MEL

1 stop23h 40mUnited Airlines

Sun 6/110:55 amMEL - BWI

1 stop20h 57mUnited Airlines

Deal found 3/27

$1,528

Mon 6/97:59 pmDCA - SYD

2 stops46h 46mAir New Zealand

Wed 7/210:20 amSYD - DCA

1 stop25h 07mAir New Zealand

Deal found 3/27

$1,569

Mon 5/261:52 pmBWI - SYD

2 stops26h 43mDelta

Wed 6/49:25 amSYD - BWI

2 stops27h 20mDelta

Deal found 3/26

$1,570

Last-minute flights from Washington, D.C. to Australia
Discover last-minute flight deals from Washington, D.C. to Australia. Data last updated March 28, 2025 and is based on user searches.

Tue 4/15:20 pmIAD - SYD

2 stops37h 50mMultiple Airlines

Tue 4/86:15 amSYD - IAD

2 stops30h 27mMultiple Airlines

Deal found 3/28

$1,265

Wed 4/25:35 pmDCA - MEL

2 stops27h 55mMultiple Airlines

Wed 4/911:35 pmMEL - DCA

2 stops39h 20mMultiple Airlines

Deal found 3/27

$1,524

Wed 4/27:31 amIAD - MEL

2 stops37h 59mMultiple Airlines

Wed 4/911:35 pmMEL - IAD

2 stops37h 07mMultiple Airlines

Deal found 3/27

$1,619

Wed 4/25:20 pmIAD - SYD

1 stop22h 35mQantas Airways

Wed 5/79:10 amSYD - IAD

1 stop20h 50mQantas Airways

Deal found 3/27

$1,732

Wed 4/211:51 amBWI - SYD

2 stops29h 14mAmerican Airlines

Wed 5/79:10 amSYD - BWI

2 stops26h 55mAmerican Airlines

Deal found 3/27

$1,846

Wed 4/25:50 pmBWI - SYD

1 stop23h 10mUnited Airlines

Wed 5/79:30 amSYD - BWI

1 stop22h 29mUnited Airlines

Deal found 3/27

$1,856

Wed 4/25:44 pmIAD - SYD

3 stops47h 36mAir Canada

Wed 5/79:20 amSYD - IAD

2 stops39h 54mAir Canada

Deal found 3/27

$1,893

Wed 4/24:00 pmIAD - MEL

2 stops34h 45mAir New Zealand

Wed 4/99:30 amMEL - IAD

1 stop20h 56mAir New Zealand

Deal found 3/27

$2,138

Thu 4/310:42 amBWI - SYD

2 stops35h 33mMultiple Airlines

Mon 4/710:15 amSYD - BWI

3 stops45h 56mMultiple Airlines

Deal found 3/27

$1,523

Thu 4/38:59 amDCA - SYD

1 stop31h 31mMultiple Airlines

Mon 4/74:20 pmSYD - DCA

2 stops31h 44mMultiple Airlines

Deal found 3/27

$1,813

Thu 4/38:30 amIAD - SYD

2 stops58h 15mAir New Zealand

Tue 4/1510:20 amSYD - IAD

1 stop20h 10mAir New Zealand

Deal found 3/27

$1,976

Sat 4/511:00 pmIAD - SYD

1 stop49h 50mMultiple Airlines

Fri 4/114:20 pmSYD - IAD

3 stops43h 05mMultiple Airlines

Deal found 3/27

$1,423

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 March 28, 2025.

Mon 5/128:15 amDCA - BNE

1 stop31h 10mAmerican Airlines

Deal found 3/27

$482

Mon 3/311:52 pmIAD - BNE

2 stops25h 33mAmerican Airlines

Deal found 3/27

$482

Mon 5/55:30 pmDCA - BNE

2 stops27h 20mMultiple Airlines

Deal found 3/27

$512

Sat 5/107:15 amBWI - SYD

3 stops38h 30mMultiple Airlines

Deal found 3/27

$551

Wed 5/146:09 amDCA - SYD

2 stops42h 31mMultiple Airlines

Deal found 3/27

$572

Wed 5/147:00 amIAD - SYD

2 stops41h 40mMultiple Airlines

Deal found 3/27

$626

Sun 5/1111:00 amIAD - MEL

3 stops52h 30mMultiple Airlines

Deal found 3/27

$631

Sat 5/107:07 pmDCA - SYD

2 stops26h 38mFiji Airways

Deal found 3/27

$698

Mon 5/56:59 pmIAD - BNE

3 stops47h 16mMultiple Airlines

Deal found 3/27

$763

Tue 8/127:33 pmBWI - MEL

2 stops25h 57mMultiple Airlines

Deal found 3/27

$785

Wed 6/256:59 amDCA - SYD

2 stops34h 21mAir Canada

Deal found 3/27

$816

Wed 5/1411:00 amIAD - SYD

1 stop41h 00mAir India

Deal found 3/27

$833

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Sun 5/11

8:15 am-5:25 am

1 stop31h 10m

Brisbane

Sun 5/18

8:05 pm-8:52 pm

1 stop38h 47m

$911

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sat 8/2

11:49 am-5:25 am

2 stops27h 36m

Brisbane

Sun 8/17

8:05 pm-8:44 am

2 stops26h 39m

$924

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Tue 9/9

11:30 am-5:25 am

2 stops27h 55m

Brisbane

Tue 9/23

8:45 am-10:30 pm

2 stops27h 45m

$935

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 9/23

9:55 am-7:20 am

2 stops31h 25m

Sydney Kingsford Smith

Wed 10/8

10:20 am-9:01 pm

2 stops25h 41m

$1,036

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 5/4

6:00 am-7:20 am

2 stops35h 20m

Sydney Kingsford Smith

Sun 5/18

9:20 am-10:19 am

2 stops38h 59m

$1,037

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Tue 9/2

8:25 am-1:20 pm

2 stops38h 55m

Melbourne

Tue 9/23

8:30 pm-6:45 am

2 stops48h 15m

$1,194

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Tue 8/12

7:30 pm-10:25 am

2 stops24h 55m

Brisbane

Tue 8/19

11:35 am-11:01 pm

2 stops25h 26m

$1,212

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Tue 5/6

6:59 pm-7:20 pm

2 stops34h 21m

Melbourne

Sat 5/10

7:30 am-11:04 pm

2 stops29h 34m

$1,215

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 8/12

7:30 pm-11:45 am

2 stops26h 15m

Sydney Kingsford Smith

Tue 8/19

6:00 am-11:01 pm

2 stops31h 01m

$1,222

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 8/26

11:30 am-11:45 am

2 stops34h 15m

Sydney Kingsford Smith

Tue 9/2

1:15 pm-10:45 am

2 stops35h 30m

$1,230

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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.

Cheapflights Insights

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

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

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Australia (average of $1,044). 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, Korean Air and ANA. 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

Korean Air

8.4

Very good

1,050 reviews

Air Tahiti Nui

8.7

Very good

61 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

ANA

8.3

Very good

829 reviews

Air Tahiti Nui

8.7

Very good

61 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Asiana Airlines

8.2

Very good

440 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

1,285 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 American Airlines ($482), Fiji Airways ($698), and Air Canada ($816).
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 Washington, D.C. Dulles Intl - Melbourne.
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, March is the cheapest month in which you can book a flight from Washington, D.C. to Australia (average of $1,044). 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 7 airlines flying from Washington, D.C. to Australia

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$600	Average$1,094	FlexibilityNo cancel fee	On-time71%
Qantas Airways	Cheapest$678	Average$1,392	FlexibilityNo cancel fee	On-time74%
Delta	Cheapest$848	Average$1,146	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$1,036	Average$1,345	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$1,159	Average$1,720	FlexibilityNo cancel fee	On-time69%
Air New Zealand	Cheapest$1,277	Average$1,710	FlexibilityNo cancel fee	On-time78%
ANA	Cheapest$1,493	Average$1,847	FlexibilityNo cancel fee	On-time80%

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$482+ 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 5/12. 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 March 28, 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 March 28, 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 March 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Australia that are best for you.

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.

Cheapflights Insights

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

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 March 28, 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, Korean Air and ANA. 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?

Browse thousands of different options on Cheapflights for your next trip

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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 7 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 March 28, 2025.