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 ($743), Alaska Airlines ($750), and ANA ($757).

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 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 6% on this flight, we recommend booking at least 20 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.

$1,234+ Flights from Washington, D.C. to Australia - Compare & Save Big

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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	$1,154 (Mytrip)
One-way from	$538 (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.

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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. 20% potential increase in price ($319 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($49 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 abril 30, 2025.

dom. 11/3011:30 amIAD - BNE

1 stop28h 00mQantas Airways

mié. 12/109:45 amBNE - IAD

1 stop27h 29mQantas Airways

Deal found 4/28

$897

dom. 11/301:12 pmDCA - BNE

1 stop26h 18mQantas Airways

mié. 12/109:45 amBNE - DCA

1 stop25h 05mQantas Airways

Deal found 4/29

$919

dom. 11/305:14 pmDCA - SYD

2 stops26h 31mQantas Airways

mié. 12/107:05 amSYD - DCA

2 stops27h 50mQantas Airways

Deal found 4/28

$1,131

sáb. 8/912:12 pmBWI - SYD

3 stops33h 33mMultiple Airlines

mié. 8/137:45 pmSYD - BWI

3 stops42h 14mMultiple Airlines

Deal found 4/29

$1,147

dom. 12/75:22 pmIAD - SYD

2 stops25h 28mQantas Airways

mar. 12/166:05 amSYD - IAD

2 stops26h 01mQantas Airways

Deal found 4/27

$1,173

sáb. 9/277:30 pmDCA - SYD

2 stops26h 15mFiji Airways

sáb. 10/112:45 pmSYD - DCA

2 stops23h 15mFiji Airways

Deal found 4/29

$1,213

dom. 8/245:55 pmIAD - SYD

2 stops26h 40mAir New Zealand

mié. 9/311:50 amSYD - IAD

2 stops33h 01mAir New Zealand

Deal found 4/28

$1,218

dom. 8/242:54 pmBWI - SYD

2 stops27h 51mAir New Zealand

mié. 9/311:50 amSYD - BWI

2 stops24h 55mAir New Zealand

Deal found 4/28

$1,218

lun. 7/285:59 pmDCA - SYD

2 stops24h 46mAir New Zealand

dom. 8/249:55 amSYD - DCA

2 stops26h 14mAir New Zealand

Deal found 4/27

$1,218

mié. 6/118:59 amDCA - SYD

1 stop32h 31mMultiple Airlines

mié. 6/184:20 pmSYD - DCA

2 stops44h 39mMultiple Airlines

Deal found 4/29

$1,258

jue. 5/299:00 amIAD - SYD

2 stops39h 40mMultiple Airlines

jue. 6/55:45 pmSYD - IAD

1 stop36h 29mMultiple Airlines

Deal found 4/29

$1,281

lun. 10/2012:15 pmIAD - SYD

1 stop31h 10mANA

mar. 11/412:25 pmSYD - IAD

1 stop43h 15mANA

Deal found 4/28

$1,283

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 abril 30, 2025.

lun. 6/27:17 amBWI - SYD

3 stops34h 03mMultiple Airlines

lun. 6/93:10 pmSYD - BWI

3 stops45h 38mMultiple Airlines

Deal found 4/29

$1,154

lun. 7/285:59 pmDCA - SYD

2 stops24h 46mAir New Zealand

dom. 8/249:55 amSYD - DCA

2 stops26h 14mAir New Zealand

Deal found 4/27

$1,218

dom. 7/63:39 pmIAD - SYD

2 stops37h 36mANA

sáb. 7/198:55 pmSYD - IAD

1 stop32h 50mANA

Deal found 4/29

$1,287

mar. 7/297:32 pmDCA - MEL

2 stops25h 58mFiji Airways

jue. 8/1412:55 pmMEL - DCA

2 stops24h 04mFiji Airways

Deal found 4/29

$1,424

mar. 7/88:19 pmIAD - SYD

2 stops33h 26mAlaska Airlines

mar. 8/59:40 pmSYD - IAD

2 stops32h 45mAlaska Airlines

Deal found 4/29

$1,431

mar. 5/69:40 pmIAD - SYD

2 stops31h 20mTurkish Airlines

mar. 5/278:55 pmSYD - IAD

2 stops52h 50mTurkish Airlines

Deal found 4/29

$1,434

mié. 6/251:40 pmDCA - MEL

1 stop25h 20mQantas Airways

mié. 7/93:05 pmMEL - DCA

1 stop21h 55mQantas Airways

Deal found 4/29

$1,438

lun. 6/97:00 pmBWI - SYD

1 stop21h 55mUnited Airlines

mar. 6/249:30 amSYD - BWI

1 stop21h 24mUnited Airlines

Deal found 4/27

$1,447

mié. 6/111:34 pmBWI - SYD

2 stops27h 01mDelta

lun. 6/239:25 amSYD - BWI

2 stops27h 18mDelta

Deal found 4/27

$1,461

mié. 6/113:19 pmBWI - SYD

2 stops26h 11mBritish Airways

mié. 6/189:10 amSYD - BWI

2 stops23h 40mBritish Airways

Deal found 4/29

$1,500

mié. 6/251:54 pmDCA - MEL

2 stops25h 06mAmerican Airlines

mié. 7/93:05 pmMEL - DCA

1 stop21h 55mAmerican Airlines

Deal found 4/29

$1,513

vie. 6/136:00 pmBWI - SYD

1 stop23h 00mVirgin Australia

vie. 6/2010:20 amSYD - BWI

1 stop21h 32mVirgin Australia

Deal found 4/28

$1,547

Last-minute flights from Washington, D.C. to Australia
Discover last-minute flight deals from Washington, D.C. to Australia. Data last updated abril 30, 2025 and is based on user searches.

sáb. 5/38:59 amDCA - SYD

1 stop32h 31mMultiple Airlines

lun. 5/54:20 pmSYD - DCA

2 stops31h 00mMultiple Airlines

Deal found 4/29

$1,345

dom. 5/410:00 pmDCA - SYD

2 stops46h 50mCathay Pacific

dom. 5/189:50 pmSYD - DCA

2 stops35h 17mCathay Pacific

Deal found 4/28

$1,652

dom. 5/410:55 amIAD - SYD

1 stop29h 10mEmirates

vie. 6/139:50 amSYD - IAD

2 stops36h 50mEmirates

Deal found 4/29

$1,716

lun. 5/55:38 pmIAD - SYD

2 stops36h 32mMultiple Airlines

lun. 5/122:05 pmSYD - IAD

2 stops39h 55mMultiple Airlines

Deal found 4/28

$1,583

mar. 5/66:10 amBWI - SYD

1 stop35h 20mMultiple Airlines

mar. 6/175:45 pmSYD - BWI

2 stops25h 58mMultiple Airlines

Deal found 4/29

$1,364

mar. 5/68:59 amDCA - SYD

1 stop32h 31mMultiple Airlines

lun. 6/164:20 pmSYD - DCA

2 stops36h 48mMultiple Airlines

Deal found 4/29

$1,387

mar. 5/69:40 pmIAD - SYD

2 stops31h 20mTurkish Airlines

mar. 5/208:55 pmSYD - IAD

2 stops52h 50mTurkish Airlines

Deal found 4/28

$1,433

mar. 5/612:15 pmIAD - SYD

1 stop41h 00mANA

mar. 5/2711:50 amSYD - IAD

1 stop36h 15mANA

Deal found 4/29

$1,571

mar. 5/66:59 pmDCA - SYD

2 stops37h 11mFiji Airways

jue. 6/126:15 amSYD - DCA

2 stops30h 45mFiji Airways

Deal found 4/29

$1,638

mié. 5/77:00 amIAD - MEL

2 stops38h 15mMultiple Airlines

mié. 5/282:25 pmMEL - IAD

2 stops39h 49mMultiple Airlines

Deal found 4/28

$1,516

mié. 5/72:59 pmBWI - MEL

3 stops31h 16mMultiple Airlines

mié. 5/281:00 pmMEL - BWI

2 stops44h 39mMultiple Airlines

Deal found 4/28

$1,547

mié. 5/711:55 amDCA - BNE

2 stops44h 30mCathay Pacific

mar. 5/1311:55 pmBNE - DCA

2 stops47h 34mCathay Pacific

Deal found 4/29

$1,665

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 abril 30, 2025.

mié. 6/46:09 amDCA - SYD

2 stops42h 31mMultiple Airlines

Deal found 4/28

$538

vie. 6/136:10 amIAD - SYD

2 stops34h 55mMultiple Airlines

Deal found 4/29

$609

sáb. 7/268:00 amBWI - SYD

3 stops45h 15mMultiple Airlines

Deal found 4/29

$645

mar. 6/36:15 pmIAD - BNE

3 stops58h 45mMultiple Airlines

Deal found 4/29

$717

mar. 6/37:18 pmBWI - SYD

1 stop21h 37mQantas Airways

Deal found 4/29

$743

mar. 5/65:38 pmIAD - SYD

2 stops36h 07mAlaska Airlines

Deal found 4/29

$750

dom. 7/273:30 pmDCA - SYD

2 stops37h 45mANA

Deal found 4/28

$757

dom. 7/136:26 amBWI - MEL

3 stops50h 39mMultiple Airlines

Deal found 4/28

$776

lun. 7/2812:15 pmIAD - SYD

1 stop41h 00mANA

Deal found 4/29

$782

lun. 6/28:55 amBWI - SYD

1 stop32h 00mUnited Airlines

Deal found 4/28

$794

dom. 6/11:00 pmBWI - SYD

2 stops27h 35mDelta

Deal found 4/28

$798

lun. 5/268:55 amBWI - SYD

2 stops35h 40mAir New Zealand

Deal found 4/28

$811

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

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

lun. 6/2

7:17 am-7:20 am

3 stops34h 03m

Sydney Kingsford Smith

lun. 6/9

3:10 pm-10:48 pm

3 stops45h 38m

$1,154

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

lun. 7/28

5:53 pm-8:45 am

2 stops24h 52m

Sydney Kingsford Smith

dom. 8/24

11:50 am-10:15 pm

2 stops24h 25m

$1,218

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

lun. 7/28

5:59 pm-8:45 am

2 stops24h 46m

Sydney Kingsford Smith

dom. 8/24

9:55 am-10:09 pm

2 stops26h 14m

$1,218

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

mié. 6/11

8:59 am-7:30 am

1 stop32h 31m

Sydney Kingsford Smith

mié. 6/18

4:20 pm-10:59 pm

2 stops44h 39m

$1,258

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

lun. 7/28

8:55 am-8:45 am

2 stops33h 50m

Sydney Kingsford Smith

sáb. 8/9

11:50 am-8:07 am

2 stops34h 17m

$1,263

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

jue. 5/29

9:00 am-2:40 pm

2 stops39h 40m

Sydney Kingsford Smith

jue. 6/5

5:45 pm-4:14 pm

1 stop36h 29m

$1,281

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

dom. 7/27

12:15 pm-7:15 pm

1 stop41h 00m

Sydney Kingsford Smith

dom. 8/10

11:50 am-3:45 pm

1 stop41h 55m

$1,336

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

mar. 7/8

8:19 pm-7:45 pm

2 stops33h 26m

Sydney Kingsford Smith

mar. 8/5

9:40 pm-4:25 pm

2 stops32h 45m

$1,431

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

mar. 5/6

9:40 pm-7:00 pm

2 stops31h 20m

Sydney Kingsford Smith

mar. 5/20

8:55 pm-11:45 am

2 stops52h 50m

$1,433

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

mié. 6/25

1:40 pm-5:00 am

1 stop25h 20m

Melbourne

mié. 7/9

3:05 pm-12:49 am

1 stop23h 44m

$1,433

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 $1,043). 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 Japan Airlines. 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

1,066 reviews

Air Tahiti Nui

8.8

Very good

62 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Japan Airlines

8.3

Very good

1,459 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

855 reviews

Air Tahiti Nui

8.8

Very good

62 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Fiji Airways

8.1

Very good

190 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 Qantas Airways ($743), Alaska Airlines ($750), and ANA ($757).
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, March is the cheapest month in which you can book a flight from Washington, D.C. to Australia (average of $1,043). 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
United Airlines	Cheapest$346	Average$1,692	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$600	Average$1,069	FlexibilityNo cancel fee	On-time71%
Qantas Airways	Cheapest$678	Average$1,373	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%
Air New Zealand	Cheapest$1,277	Average$1,860	FlexibilityNo cancel fee	On-time78%
ANA	Cheapest$1,392	Average$1,712	FlexibilityNo cancel fee	On-time80%

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$538+ 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 6/4. 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 abril 30, 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 abril 30, 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 abril 30, 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 abril 30, 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 Japan Airlines. 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 abril 30, 2025.