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 Fiji Airways ($633), Air India ($770), and Alaska Airlines ($773).

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. Reagan-National - Melbourne, Washington, D.C. Dulles Intl - Melbourne and Washington, D.C. Dulles Intl - 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 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 8% 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 $1,272 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.

$1,231+ Flights from Washington, D.C. to Australia

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

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$988 (Trip.com)
One-way from	$554 (Kiwi.com)
Popular in	December
Cheapest in	February
Average price	$931

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

Search Deals

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. 20% potential increase in price ($325 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($48 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 17, 2025.

Sat 5/312:02 pmIAD - MEL

2 stops32h 13mMultiple Airlines

Sat 6/71:40 pmMEL - IAD

2 stops34h 29mMultiple Airlines

Deal found 4/16

$891

Sun 11/305:16 pmIAD - BNE

1 stop22h 14mQantas Airways

Wed 12/109:45 amBNE - IAD

1 stop21h 21mQantas Airways

Deal found 4/17

$907

Sun 11/305:14 pmDCA - BNE

1 stop22h 16mQantas Airways

Wed 12/109:45 amBNE - DCA

1 stop21h 34mQantas Airways

Deal found 4/17

$918

Sun 11/911:54 amDCA - BNE

1 stop27h 36mAmerican Airlines

Sun 11/239:45 amBNE - DCA

1 stop28h 15mAmerican Airlines

Deal found 4/17

$954

Mon 12/810:48 amIAD - BNE

2 stops28h 42mAmerican Airlines

Thu 12/259:45 amBNE - IAD

2 stops24h 50mAmerican Airlines

Deal found 4/17

$958

Sat 5/312:02 pmIAD - SYD

2 stops31h 43mMultiple Airlines

Sat 6/71:45 pmSYD - IAD

2 stops34h 24mMultiple Airlines

Deal found 4/16

$988

Thu 5/1512:51 pmBWI - MEL

3 stops32h 39mMultiple Airlines

Thu 5/2212:55 pmMEL - BWI

3 stops31h 15mMultiple Airlines

Deal found 4/16

$1,030

Thu 5/111:12 amBWI - SYD

2 stops35h 03mMultiple Airlines

Thu 5/156:15 amSYD - BWI

2 stops30h 33mMultiple Airlines

Deal found 4/16

$1,057

Sat 11/15:31 pmIAD - SYD

2 stops27h 14mQantas Airways

Tue 11/117:05 amSYD - IAD

2 stops25h 07mQantas Airways

Deal found 4/17

$1,101

Sat 11/15:15 pmDCA - SYD

2 stops27h 30mQantas Airways

Tue 11/116:05 amSYD - DCA

2 stops26h 23mQantas Airways

Deal found 4/17

$1,101

Sat 10/187:17 pmDCA - SYD

2 stops35h 53mFiji Airways

Sat 11/16:00 amSYD - DCA

2 stops32h 00mFiji Airways

Deal found 4/17

$1,161

Mon 8/113:00 pmIAD - SYD

2 stops27h 45mAir New Zealand

Wed 8/2011:50 amSYD - IAD

2 stops26h 40mAir New Zealand

Deal found 4/17

$1,206

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 April 17, 2025.

Sat 5/312:02 pmIAD - SYD

2 stops31h 43mMultiple Airlines

Sat 6/71:45 pmSYD - IAD

2 stops34h 24mMultiple Airlines

Deal found 4/16

$988

Sat 5/107:07 pmDCA - SYD

2 stops26h 38mFiji Airways

Tue 5/201:15 pmSYD - DCA

2 stops23h 49mFiji Airways

Deal found 4/16

$1,268

Tue 7/15:55 pmIAD - SYD

2 stops37h 45mAir New Zealand

Tue 7/159:55 amSYD - IAD

2 stops28h 03mAir New Zealand

Deal found 4/17

$1,298

Sun 6/2212:55 pmDCA - BNE

2 stops28h 10mAir Canada

Sun 7/2010:00 amBNE - DCA

2 stops36h 52mAir Canada

Deal found 4/16

$1,426

Tue 4/291:30 pmIAD - SYD

2 stops39h 30mTurkish Airlines

Tue 5/138:55 pmSYD - IAD

2 stops52h 50mTurkish Airlines

Deal found 4/16

$1,432

Wed 6/251:40 pmDCA - MEL

1 stop25h 20mQantas Airways

Wed 7/93:05 pmMEL - DCA

1 stop21h 55mQantas Airways

Deal found 4/17

$1,437

Fri 5/167:59 pmIAD - SYD

2 stops33h 46mAlaska Airlines

Fri 5/239:40 pmSYD - IAD

2 stops35h 19mAlaska Airlines

Deal found 4/16

$1,448

Wed 6/256:27 amIAD - MEL

1 stop32h 33mAmerican Airlines

Wed 7/93:05 pmMEL - IAD

1 stop21h 45mAmerican Airlines

Deal found 4/17

$1,508

Sun 6/812:00 pmDCA - MEL

2 stops30h 15mUnited Airlines

Sun 6/2210:55 amMEL - DCA

1 stop24h 17mUnited Airlines

Deal found 4/17

$1,541

Mon 7/145:25 pmDCA - SYD

1 stop23h 10mDelta

Sun 8/39:25 amSYD - DCA

1 stop20h 55mDelta

Deal found 4/16

$1,565

Tue 5/612:15 pmIAD - SYD

1 stop41h 00mANA

Tue 5/208:55 pmSYD - IAD

1 stop27h 10mANA

Deal found 4/16

$1,613

Tue 5/66:59 amDCA - SYD

2 stops37h 51mCathay Pacific

Wed 5/142:05 pmSYD - DCA

2 stops43h 02mCathay Pacific

Deal found 4/17

$1,660

Last-minute flights from Washington, D.C. to Australia
Discover last-minute flight deals from Washington, D.C. to Australia. Data last updated April 17, 2025 and is based on user searches.

Sat 4/191:30 pmIAD - MEL

2 stops39h 55mTurkish Airlines

Wed 5/79:20 pmMEL - IAD

2 stops52h 25mTurkish Airlines

Deal found 4/16

$1,443

Tue 4/227:01 pmDCA - BNE

2 stops37h 49mFiji Airways

Tue 4/2911:40 amBNE - DCA

2 stops25h 20mFiji Airways

Deal found 4/17

$1,494

Tue 4/227:00 amIAD - SYD

2 stops35h 40mMultiple Airlines

Wed 4/307:40 amSYD - IAD

2 stops46h 20mMultiple Airlines

Deal found 4/16

$1,655

Wed 4/239:00 amIAD - MEL

1 stop32h 30mAir New Zealand

Sat 5/106:55 pmMEL - IAD

2 stops41h 18mAir New Zealand

Deal found 4/16

$1,718

Wed 4/234:39 pmDCA - MEL

2 stops24h 51mAir New Zealand

Sat 5/106:55 pmMEL - DCA

2 stops43h 04mAir New Zealand

Deal found 4/16

$1,738

Wed 4/239:30 amDCA - MEL

1 stop29h 30mAmerican Airlines

Sat 5/1011:55 amMEL - DCA

1 stop23h 05mAmerican Airlines

Deal found 4/17

$1,858

Sat 4/261:30 pmIAD - MEL

2 stops39h 55mTurkish Airlines

Mon 5/129:20 pmMEL - IAD

2 stops36h 25mTurkish Airlines

Deal found 4/17

$1,482

Sat 4/266:59 pmDCA - MEL

2 stops27h 16mFiji Airways

Tue 5/1312:55 pmMEL - DCA

2 stops24h 09mFiji Airways

Deal found 4/17

$1,600

Sat 4/265:13 pmIAD - BNE

2 stops27h 22mMultiple Airlines

Sat 5/1011:35 amBNE - IAD

2 stops25h 22mMultiple Airlines

Deal found 4/16

$1,796

Sat 4/265:38 pmIAD - MEL

2 stops28h 37mMultiple Airlines

Tue 5/1312:55 pmMEL - IAD

2 stops24h 02mMultiple Airlines

Deal found 4/17

$1,849

Sat 4/2610:15 pmIAD - MEL

1 stop44h 00mUnited Airlines

Mon 5/1210:55 amMEL - IAD

1 stop28h 14mUnited Airlines

Deal found 4/16

$1,858

Sat 4/265:30 pmDCA - MEL

2 stops27h 20mQantas Airways

Tue 5/133:05 pmMEL - DCA

1 stop23h 41mQantas Airways

Deal found 4/16

$1,872

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 April 17, 2025.

Sat 5/1010:56 amBWI - SYD

3 stops34h 49mMultiple Airlines

Deal found 4/16

$554

Thu 8/287:30 pmDCA - SYD

2 stops26h 45mFiji Airways

Deal found 4/17

$633

Sun 6/16:00 amDCA - MEL

3 stops45h 40mMultiple Airlines

Deal found 4/17

$639

Tue 6/106:43 pmIAD - SYD

2 stops27h 02mMultiple Airlines

Deal found 4/16

$693

Tue 8/125:35 pmIAD - MEL

2 stops27h 55mMultiple Airlines

Deal found 4/17

$740

Sat 5/316:00 pmDCA - SYD

3 stops51h 45mMultiple Airlines

Deal found 4/17

$762

Tue 8/1211:00 amIAD - MEL

1 stop40h 55mAir India

Deal found 4/17

$770

Wed 5/287:59 pmIAD - SYD

2 stops33h 46mAlaska Airlines

Deal found 4/16

$773

Sun 6/81:52 pmIAD - SYD

2 stops27h 28mAir Canada

Deal found 4/16

$810

Sun 7/69:59 amDCA - BNE

2 stops34h 26mMultiple Airlines

Deal found 4/16

$835

Wed 6/255:30 pmDCA - SYD

1 stop23h 35mQantas Airways

Deal found 4/17

$842

Tue 6/1011:50 amIAD - SYD

1 stop29h 05mQantas Airways

Deal found 4/17

$843

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.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sat 5/31

2:02 pm-11:45 am

2 stops31h 43m

Sydney Kingsford Smith

Sat 6/7

1:45 pm-10:09 am

2 stops34h 24m

$988

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Thu 5/15

12:51 pm-11:30 am

3 stops32h 39m

Melbourne

Thu 5/22

12:55 pm-6:10 am

3 stops31h 15m

$1,030

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Thu 5/1

11:12 am-12:15 pm

2 stops35h 03m

Sydney Kingsford Smith

Thu 5/15

6:15 am-10:48 pm

2 stops30h 33m

$1,057

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 8/11

3:00 pm-8:45 am

2 stops27h 45m

Sydney Kingsford Smith

Wed 8/20

11:50 am-12:30 am

2 stops26h 40m

$1,206

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 5/10

7:07 pm-11:45 am

2 stops26h 38m

Sydney Kingsford Smith

Tue 5/20

1:15 pm-11:04 pm

2 stops23h 49m

$1,268

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 8/26

12:15 pm-9:25 am

1 stop31h 10m

Sydney Kingsford Smith

Tue 9/9

8:55 pm-10:05 am

1 stop27h 10m

$1,282

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Fri 8/22

8:29 pm-7:45 pm

2 stops33h 16m

Sydney Kingsford Smith

Fri 9/12

9:40 pm-3:59 pm

2 stops32h 19m

$1,309

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Wed 9/17

5:55 pm-10:50 am

2 stops26h 55m

Melbourne

Wed 9/24

8:35 am-12:30 am

2 stops29h 55m

$1,320

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 7/6

6:00 am-8:45 am

2 stops36h 45m

Sydney Kingsford Smith

Sat 7/19

6:20 pm-10:15 pm

2 stops41h 55m

$1,325

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Thu 5/8

6:59 pm-10:50 pm

2 stops37h 51m

Brisbane

Sat 5/17

11:45 am-11:04 pm

2 stops25h 19m

$1,329

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

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, February is the cheapest month in which you can book a flight from Washington, D.C. to Australia (average of $1,046). 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

8.8

Very good

62 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

8.8

Very good

62 reviews

Air Tahiti Nui

8.8

Very good

62 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Korean Air

8.4

Very good

1,064 reviews

Air Tahiti Nui

8.8

Very good

62 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

ANA

8.3

Very good

844 reviews

Air Tahiti Nui

8.8

Very good

62 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Singapore Airlines

8.1

Very good

1,288 reviews

Air Tahiti Nui

8.8

Very good

62 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Fiji Airways

8.0

Very good

185 reviews

Air Tahiti Nui

8.8

Very good

62 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 Fiji Airways ($633), Air India ($770), and Alaska Airlines ($773).
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. Reagan-National - Melbourne, Washington, D.C. Dulles Intl - Melbourne and Washington, D.C. Dulles Intl - 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 $1,046). 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$1,070	FlexibilityNo cancel fee	On-time71%
Qantas Airways	Cheapest$678	Average$1,339	FlexibilityNo cancel fee	On-time74%
Delta	Cheapest$848	Average$1,175	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$1,036	Average$1,337	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$1,159	Average$1,715	FlexibilityNo cancel fee	On-time69%
Air New Zealand	Cheapest$1,277	Average$1,840	FlexibilityNo cancel fee	On-time78%
ANA	Cheapest$1,493	Average$1,847	FlexibilityNo cancel fee	On-time80%

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$505+ 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 5/31. 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 April 17, 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 April 17, 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 April 17, 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 April 17, 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 April 17, 2025.