How long is the flight from Washington, D.C. Dulles Intl Airport to Australia?

Departing from Washington, D.C. Dulles Intl Airport to Australia will take you 28h. The distance from Washington, D.C. Dulles Intl Airport to Australia is about 10437 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

$1,012 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Qatar Airways and Qantas Airways, with prices starting from $1,259 and $1,333, respectively.

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.

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).

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

While some choose either Washington, D.C. Dulles Intl - Melbourne or Washington, D.C. Dulles Intl - Melbourne Avalon, Washington, D.C. Dulles Intl - Sydney Kingsford Smith is the most popular route from Washington, D.C. Dulles Intl Airport to Australia.

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

American Airlines, Air Canada and Delta are the most popular airlines when flying from Washington, D.C. Dulles Intl Airport to Australia.

Can I find deals for flights from Dulles Intl to Australia that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Australia?

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

Can I find deals for business class flights from Dulles Intl to Australia?

Yes. Cheapflights offers flight deals from Dulles Intl 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.

$496+ Flights from Washington, D.C. Dulles Intl Airport to Australia

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Cheap flight deals from Dulles Intl to Australia

Round-trip from	$1,032 (Trip.com)
One-way from	$496 (Trip.com)
Popular in	December
Cheapest in	August
Average price	$1,344

From Washington, D.C. Dulles Intl to Australia

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Australia

Search Deals

Highest demand for flights based on searches. 23% potential increase in price ($371 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($55 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from Dulles Intl to Australia

Cheapest flights from Dulles Intl to Australia
Explore the most affordable flight options available from Dulles Intl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Mon 10/206:15 amIAD - SYD

2 stops34h 50mMultiple Airlines

Sun 11/22:05 pmSYD - IAD

2 stops26h 06mMultiple Airlines

Deal found 9/15

$1,032

Thu 10/306:00 amIAD - SYD

2 stops34h 00mMultiple Airlines

Thu 11/612:10 pmSYD - IAD

2 stops28h 01mMultiple Airlines

Deal found 9/15

$1,037

Mon 10/276:15 amIAD - SYD

2 stops35h 45mMultiple Airlines

Sun 11/92:05 pmSYD - IAD

2 stops26h 06mMultiple Airlines

Deal found 9/15

$1,079

Sat 11/17:10 amIAD - BNE

2 stops33h 20mMultiple Airlines

Sat 11/811:40 amBNE - IAD

2 stops27h 15mMultiple Airlines

Deal found 9/17

$1,082

Sun 11/167:43 amIAD - SYD

2 stops33h 17mMultiple Airlines

Wed 11/265:45 pmSYD - IAD

2 stops28h 33mMultiple Airlines

Deal found 9/16

$1,117

Wed 10/296:13 pmIAD - SYD

2 stops34h 32mAlaska Airlines

Fri 11/149:40 pmSYD - IAD

2 stops24h 43mAlaska Airlines

Deal found 9/15

$1,136

Tue 10/286:13 pmIAD - SYD

2 stops34h 32mAlaska Airlines

Sun 11/169:40 pmSYD - IAD

2 stops24h 43mAlaska Airlines

Deal found 9/15

$1,155

Wed 10/296:13 pmIAD - SYD

2 stops34h 32mAlaska Airlines

Sat 11/159:40 pmSYD - IAD

2 stops48h 43mAlaska Airlines

Deal found 9/15

$1,170

Tue 10/286:13 pmIAD - SYD

2 stops34h 32mAlaska Airlines

Sat 11/159:40 pmSYD - IAD

2 stops48h 43mAlaska Airlines

Deal found 9/15

$1,189

Sun 10/196:25 amIAD - SYD

2 stops46h 20mAlaska Airlines

Sun 10/269:40 pmSYD - IAD

2 stops47h 43mAlaska Airlines

Deal found 9/15

$1,204

Thu 10/306:13 pmIAD - SYD

2 stops34h 32mAlaska Airlines

Tue 11/49:40 pmSYD - IAD

1 stop35h 00mAlaska Airlines

Deal found 9/15

$1,211

Thu 10/237:41 pmIAD - SYD

2 stops33h 04mAlaska Airlines

Sat 11/89:40 pmSYD - IAD

1 stop24h 43mAlaska Airlines

Deal found 9/16

$1,230

Best flights from Dulles Intl to Australia
Discover carefully curated flight deals from Dulles Intl to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

Thu 10/306:13 pmIAD - SYD

2 stops34h 32mAlaska Airlines

Tue 11/49:40 pmSYD - IAD

2 stops35h 00mAlaska Airlines

Deal found 9/15

$1,211

Sun 11/93:25 pmIAD - ADL

2 stops28h 00mAir New Zealand

Mon 11/1711:55 amADL - IAD

2 stops25h 01mAir New Zealand

Deal found 9/15

$1,285

Thu 10/3011:41 amIAD - SYD

2 stops34h 19mMultiple Airlines

Thu 11/62:00 pmSYD - IAD

2 stops24h 18mMultiple Airlines

Deal found 9/15

$1,307

Wed 12/109:10 pmIAD - MEL

2 stops31h 50mTurkish Airlines

Fri 12/2610:55 pmMEL - IAD

2 stops36h 20mTurkish Airlines

Deal found 9/16

$1,512

Sun 11/93:25 pmIAD - BNE

1 stop25h 05mUnited Airlines

Sun 11/2311:40 amBNE - IAD

1 stop19h 47mUnited Airlines

Deal found 9/16

$1,552

Sat 11/85:27 pmIAD - BNE

1 stop22h 03mQantas Airways

Sat 11/229:40 amBNE - IAD

1 stop21h 31mQantas Airways

Deal found 9/15

$1,577

Tue 2/2412:40 pmIAD - CBR

3 stops36h 25mAir Canada

Tue 3/107:05 amCBR - IAD

3 stops29h 00mAir Canada

Deal found 9/15

$1,609

Tue 2/245:15 pmIAD - CBR

2 stops28h 55mAmerican Airlines

Tue 3/106:00 amCBR - IAD

2 stops31h 15mAmerican Airlines

Deal found 9/16

$1,722

Tue 10/219:00 pmIAD - ADL

2 stops44h 10mQatar Airways

Sun 10/266:00 amADL - IAD

2 stops49h 25mQatar Airways

Deal found 9/17

$2,005

Thu 11/135:03 pmIAD - PER

2 stops40h 47mCathay Pacific

Mon 11/178:30 amPER - IAD

2 stops51h 03mCathay Pacific

Deal found 9/14

$2,089

Mon 9/299:00 pmIAD - PER

2 stops40h 10mMalaysia Airlines

Fri 10/312:25 amPER - IAD

2 stops42h 55mMalaysia Airlines

Deal found 9/15

$2,239

Sat 10/2510:55 amIAD - DRW

2 stops47h 30mEmirates

Wed 10/291:05 pmDRW - IAD

2 stops33h 25mEmirates

Deal found 9/14

$2,282

Fri 11/146:13 pmIAD - SYD

2 stops33h 32mAlaska Airlines

Fri 12/59:40 pmSYD - IAD

3 stops34h 56mAlaska Airlines

Deal found 9/17

$1,287

Sat 11/85:45 pmIAD - BNE

2 stops49h 10mAir New Zealand

Sat 11/226:05 pmBNE - IAD

2 stops43h 08mAir New Zealand

Deal found 9/15

$1,315

Fri 10/3111:40 amIAD - DRW

2 stops34h 05mMultiple Airlines

Fri 11/712:20 pmDRW - IAD

2 stops42h 05mMultiple Airlines

Deal found 9/15

$1,375

Wed 10/296:13 pmIAD - SYD

2 stops34h 32mAlaska Airlines

Thu 11/69:40 pmSYD - IAD

2 stops35h 00mAlaska Airlines

Deal found 9/15

$1,322

Tue 11/49:10 amIAD - BNE

2 stops30h 50mAir New Zealand

Sat 11/1511:10 amBNE - IAD

2 stops25h 16mAir New Zealand

Deal found 9/17

$1,343

Wed 12/101:30 pmIAD - MEL

2 stops39h 30mTurkish Airlines

Wed 12/2410:55 pmMEL - IAD

2 stops36h 20mTurkish Airlines

Deal found 9/16

$1,512

Sat 11/1510:10 pmIAD - MEL

1 stop43h 50mUnited Airlines

Wed 12/31:00 pmMEL - IAD

1 stop27h 56mUnited Airlines

Deal found 9/15

$1,571

Thu 10/305:54 pmIAD - ADL

2 stops27h 51mMultiple Airlines

Thu 11/61:15 pmADL - IAD

2 stops24h 33mMultiple Airlines

Deal found 9/15

$1,472

Mon 12/11:30 pmIAD - SYD

2 stops37h 50mTurkish Airlines

Thu 12/119:15 pmSYD - IAD

2 stops38h 00mTurkish Airlines

Deal found 9/16

$1,519

Mon 11/38:30 amIAD - BNE

2 stops34h 25mAir New Zealand

Sun 11/1611:10 amBNE - IAD

2 stops28h 05mAir New Zealand

Deal found 9/17

$1,405

Fri 11/215:03 pmIAD - BNE

1 stop22h 27mQantas Airways

Thu 12/49:40 amBNE - IAD

1 stop21h 28mQantas Airways

Deal found 9/16

$1,702

Sat 11/1510:10 pmIAD - MEL

1 stop43h 50mUnited Airlines

Tue 12/911:30 amMEL - IAD

2 stops33h 46mUnited Airlines

Deal found 9/15

$1,575

Sat 11/155:27 pmIAD - MEL

2 stops27h 18mMultiple Airlines

Sat 12/62:15 pmMEL - IAD

2 stops23h 59mMultiple Airlines

Deal found 9/15

$1,522

Sun 11/21:30 pmIAD - SYD

2 stops37h 50mTurkish Airlines

Wed 11/59:15 pmSYD - IAD

2 stops54h 30mTurkish Airlines

Deal found 9/15

$1,539

Sat 11/1510:10 pmIAD - MEL

1 stop43h 50mUnited Airlines

Mon 12/81:00 pmMEL - IAD

2 stops24h 22mUnited Airlines

Deal found 9/15

$1,575

Thu 10/305:54 pmIAD - CBR

2 stops26h 56mAmerican Airlines

Thu 11/66:05 amCBR - IAD

2 stops26h 06mAmerican Airlines

Deal found 9/14

$1,970

Tue 2/2411:30 amIAD - CBR

2 stops30h 35mQantas Airways

Tue 3/1010:35 amCBR - IAD

2 stops26h 40mQantas Airways

Deal found 9/15

$1,791

Sun 10/197:00 amIAD - SYD

1 stop34h 00mAir New Zealand

Sun 10/269:55 amSYD - IAD

2 stops28h 49mAir New Zealand

Deal found 9/15

$1,515

Last-minute flights from Dulles Intl to Australia
Discover last-minute flight deals from Dulles Intl to Australia. Data last updated September 17, 2025 and is based on user searches.

Sun 9/2111:00 amIAD - PER

2 stops30h 50mMultiple Airlines

Mon 10/62:50 pmPER - IAD

2 stops53h 50mMultiple Airlines

Deal found 9/17

$1,237

Sun 10/196:25 amIAD - SYD

2 stops46h 20mAlaska Airlines

Sun 10/269:40 pmSYD - IAD

2 stops47h 43mAlaska Airlines

Deal found 9/15

$1,204

Mon 10/206:15 amIAD - SYD

2 stops34h 50mMultiple Airlines

Sun 11/22:05 pmSYD - IAD

2 stops26h 06mMultiple Airlines

Deal found 9/15

$1,032

Thu 10/237:41 pmIAD - SYD

2 stops33h 04mAlaska Airlines

Sat 11/89:40 pmSYD - IAD

1 stop24h 43mAlaska Airlines

Deal found 9/16

$1,230

Mon 10/276:15 amIAD - SYD

2 stops35h 45mMultiple Airlines

Sun 11/92:05 pmSYD - IAD

2 stops26h 06mMultiple Airlines

Deal found 9/15

$1,079

Tue 10/286:13 pmIAD - SYD

2 stops34h 32mAlaska Airlines

Sun 11/169:40 pmSYD - IAD

2 stops24h 43mAlaska Airlines

Deal found 9/15

$1,155

Tue 10/286:13 pmIAD - SYD

2 stops34h 32mAlaska Airlines

Sat 11/159:40 pmSYD - IAD

2 stops48h 43mAlaska Airlines

Deal found 9/15

$1,189

Wed 10/296:13 pmIAD - SYD

2 stops34h 32mAlaska Airlines

Fri 11/149:40 pmSYD - IAD

2 stops24h 43mAlaska Airlines

Deal found 9/15

$1,136

Wed 10/296:13 pmIAD - SYD

2 stops34h 32mAlaska Airlines

Sat 11/159:40 pmSYD - IAD

2 stops48h 43mAlaska Airlines

Deal found 9/15

$1,170

Thu 10/306:00 amIAD - SYD

2 stops34h 00mMultiple Airlines

Thu 11/612:10 pmSYD - IAD

2 stops28h 01mMultiple Airlines

Deal found 9/15

$1,037

Thu 10/306:13 pmIAD - SYD

2 stops34h 32mAlaska Airlines

Tue 11/49:40 pmSYD - IAD

2 stops35h 00mAlaska Airlines

Deal found 9/15

$1,211

Fri 10/317:43 amIAD - SYD

2 stops45h 02mMultiple Airlines

Fri 11/79:40 pmSYD - IAD

2 stops24h 43mMultiple Airlines

Deal found 9/16

$1,232

One-way flights from Dulles Intl to Australia
Search for one-way flight options from Dulles Intl to Australia. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Mon 10/276:15 amIAD - SYD

2 stops35h 45mMultiple Airlines

Deal found 9/17

$496

Thu 10/306:00 amIAD - SYD

2 stops36h 00mMultiple Airlines

Deal found 9/15

$552

Mon 11/107:43 amIAD - SYD

2 stops33h 17mMultiple Airlines

Deal found 9/17

$578

Mon 11/241:30 pmIAD - MEL

2 stops42h 05mMultiple Airlines

Deal found 9/15

$586

Mon 12/11:30 pmIAD - MEL

2 stops42h 05mMultiple Airlines

Deal found 9/16

$590

Mon 12/87:35 amIAD - SYD

2 stops31h 50mMultiple Airlines

Deal found 9/15

$598

Mon 11/109:10 pmIAD - MEL

2 stops58h 25mMultiple Airlines

Deal found 9/15

$598

Mon 11/247:38 amIAD - SYD

2 stops31h 47mMultiple Airlines

Deal found 9/15

$600

Mon 10/205:42 pmIAD - SYD

2 stops54h 58mMultiple Airlines

Deal found 9/17

$609

Mon 11/176:13 pmIAD - SYD

2 stops43h 57mMultiple Airlines

Deal found 9/15

$611

Wed 10/226:25 amIAD - SYD

2 stops56h 40mMultiple Airlines

Deal found 9/16

$613

Mon 12/11:30 pmIAD - SYD

2 stops50h 35mMultiple Airlines

Deal found 9/15

$615

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport 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

Thu 10/30

6:13 pm-7:45 pm

2 stops34h 32m

Sydney Kingsford Smith

Tue 11/4

9:40 pm-4:40 pm

2 stops35h 00m

$1,211

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sun 11/9

3:25 pm-10:55 am

2 stops28h 00m

Adelaide

Mon 11/17

11:55 am-9:26 pm

2 stops25h 01m

$1,285

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Fri 11/14

6:13 pm-7:45 pm

2 stops33h 32m

Sydney Kingsford Smith

Fri 12/5

9:40 pm-4:36 pm

3 stops34h 56m

$1,287

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Thu 10/30

11:41 am-1:00 pm

2 stops34h 19m

Sydney Kingsford Smith

Thu 11/6

2:00 pm-10:18 pm

2 stops24h 18m

$1,307

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sat 11/8

5:45 pm-9:55 am

2 stops49h 10m

Brisbane

Sat 11/22

6:05 pm-10:13 pm

2 stops43h 08m

$1,315

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 10/29

6:13 pm-7:45 pm

2 stops34h 32m

Sydney Kingsford Smith

Thu 11/6

9:40 pm-4:40 pm

2 stops35h 00m

$1,322

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Tue 11/4

9:10 am-7:00 am

2 stops30h 50m

Brisbane

Sat 11/15

11:10 am-9:26 pm

2 stops25h 16m

$1,343

Washington, D.C.Darwin

IAD - DRW

IADDRW

Washington, D.C. Dulles Intl

Fri 10/31

11:40 am-11:15 am

2 stops34h 05m

Darwin

Fri 11/7

12:20 pm-3:55 pm

2 stops42h 05m

$1,375

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Mon 11/3

8:30 am-9:55 am

2 stops34h 25m

Brisbane

Sun 11/16

11:10 am-12:15 am

2 stops28h 05m

$1,405

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Thu 10/30

5:54 pm-12:15 pm

2 stops27h 51m

Adelaide

Thu 11/6

1:15 pm-10:18 pm

2 stops24h 33m

$1,472

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 60 results

...

Best time to book a flight from Dulles Intl to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Dulles Intl 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. Dulles Intl Airport to Australia

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

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Australia (average of $1,032). Flying from Washington, D.C. Dulles Intl Airport to Australia in December is currently the most expensive (average of $1,627). 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 IAD to AU?

When flying from Washington, D.C. Dulles Intl Airport 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.

Reviews of airlines servicing Australia

Get a feel of what it's like to fly with Air New Zealand, Qantas Airways, and United Airlines from Washington, D.C. Dulles Intl Airport to Australia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air New Zealand

8.0

Very good

505 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Air New Zealand

8.0

Very good

505 reviews

Air New Zealand

8.0

Very good

505 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Qantas Airways

7.5

Good

907 reviews

Air New Zealand

8.0

Very good

505 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

United Airlines

7.4

Good

8,926 reviews

Air New Zealand

8.0

Very good

505 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

American Airlines

7.2

Good

10,000 reviews

Air New Zealand

8.0

Very good

505 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Air Canada

7.1

Good

10,000 reviews

Air New Zealand

8.0

Very good

505 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Related info for your journey

How long is the flight from Washington, D.C. Dulles Intl Airport to Australia?
Departing from Washington, D.C. Dulles Intl Airport to Australia will take you 28h. The distance from Washington, D.C. Dulles Intl Airport to Australia is about 10437 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Australia one-way?
$1,012 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Qatar Airways and Qantas Airways, with prices starting from $1,259 and $1,333, respectively.
What are the most popular routes from Washington, D.C. Dulles Intl Airport to Australia?
While some choose either Washington, D.C. Dulles Intl - Melbourne or Washington, D.C. Dulles Intl - Melbourne Avalon, Washington, D.C. Dulles Intl - Sydney Kingsford Smith is the most popular route from Washington, D.C. Dulles Intl Airport to Australia.
Can I find deals for flights from Dulles Intl to Australia that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Australia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Australia.
Can I find deals for business class flights from Dulles Intl to Australia?
Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Australia?
Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Australia (average of $1,032). Flying from Washington, D.C. Dulles Intl Airport to Australia in December is currently the most expensive (average of $1,627). 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

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Top 8 airlines flying from Dulles Intl to Australia

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$377	Average$1,695	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$544	Average$937	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$672	Average$1,050	FlexibilityNo cancel fee	On-time71%
Qantas Airways	Cheapest$678	Average$1,224	FlexibilityNo cancel fee	On-time74%
Air Canada	Cheapest$984	Average$1,442	FlexibilityNo cancel fee	On-time67%
Air New Zealand	Cheapest$1,261	Average$1,765	FlexibilityNo cancel fee	On-time78%
ANA	Cheapest$1,370	Average$1,587	FlexibilityNo cancel fee	On-time80%
Qatar Airways	Cheapest$1,506	Average$2,089	FlexibilityNo cancel fee	On-time68%

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$496+ Cheap flights from Dulles Intl (IAD) 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Dulles Intl to Australia

Keep the following information in mind while searching for Dulles Intl to Australia flight deals. Data was last updated September 17, 2025.

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Cheapest flights from Dulles Intl to AustraliaExplore the most affordable flight options available from Dulles Intl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Explore the most affordable flight options available from Dulles Intl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

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Find hourly flight availability from Dulles Intl 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 September 17, 2025.

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Find useful and relevant information for your journey from Dulles Intl to Australia. 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 Washington, D.C. Dulles Intl Airport to Australia?

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

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Top 8 airlines flying from Dulles Intl to Australia

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Cheapest flights from Dulles Intl to Australia
Explore the most affordable flight options available from Dulles Intl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.