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 36h 25m. The distance from Washington, D.C. Dulles Intl Airport to Australia is about 9876 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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.

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

Our data shows that August tends to be the cheapest month to fly to Australia from Washington, D.C. Dulles Intl Airport. Users have commonly found prices around $1,202 for the month, but tickets can be as low as $813. Due to multiple factors, prepare for potentially higher prices in December.

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.

$507+ 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	$1,053 (Trip.com)
One-way from	$507 (Kiwi.com)
Popular in	December
Cheapest in	August
Average price	$1,351

From Washington, D.C. Dulles Intl to Australia

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

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Highest demand for flights based on searches. 23% potential increase in price ($375 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($59 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 8, 2025.

Tue 10/219:00 amIAD - SYD

2 stops31h 30mMultiple Airlines

Fri 10/311:05 pmSYD - IAD

2 stops25h 24mMultiple Airlines

Deal found 9/8

$1,035

Mon 10/276:15 amIAD - SYD

2 stops35h 45mMultiple Airlines

Sun 11/92:05 pmSYD - IAD

2 stops26h 06mMultiple Airlines

Deal found 9/7

$1,053

Mon 10/206:15 amIAD - SYD

2 stops34h 50mMultiple Airlines

Sun 11/22:05 pmSYD - IAD

2 stops26h 06mMultiple Airlines

Deal found 9/7

$1,066

Wed 10/297:43 amIAD - SYD

2 stops59h 07mMultiple Airlines

Sun 11/911:35 amSYD - IAD

2 stops34h 48mMultiple Airlines

Deal found 9/6

$1,107

Thu 11/67:43 amIAD - SYD

2 stops54h 27mMultiple Airlines

Thu 11/2011:20 amSYD - IAD

2 stops35h 03mMultiple Airlines

Deal found 9/8

$1,186

Mon 10/207:00 amIAD - SYD

2 stops34h 45mAir New Zealand

Sun 11/21:55 pmSYD - IAD

2 stops27h 01mAir New Zealand

Deal found 9/6

$1,284

Mon 11/36:48 amIAD - SYD

2 stops33h 57mAir New Zealand

Tue 11/1811:45 amSYD - IAD

2 stops25h 41mAir New Zealand

Deal found 9/7

$1,289

Sat 11/110:10 pmIAD - BNE

2 stops45h 45mAir New Zealand

Tue 11/1811:10 amBNE - IAD

2 stops24h 29mAir New Zealand

Deal found 9/6

$1,290

Tue 11/1110:10 pmIAD - SYD

2 stops42h 35mAir New Zealand

Sun 11/2311:45 amSYD - IAD

2 stops27h 59mAir New Zealand

Deal found 9/6

$1,293

Tue 11/1812:35 pmIAD - BNE

2 stops30h 20mAir New Zealand

Wed 11/2611:10 amBNE - IAD

2 stops25h 15mAir New Zealand

Deal found 9/5

$1,298

Mon 11/36:48 amIAD - SYD

2 stops33h 57mAir New Zealand

Mon 11/1711:45 amSYD - IAD

2 stops27h 59mAir New Zealand

Deal found 9/7

$1,302

Tue 11/1812:35 pmIAD - BNE

2 stops27h 25mAir New Zealand

Tue 11/256:05 pmBNE - IAD

2 stops41h 46mAir New Zealand

Deal found 9/7

$1,302

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 8, 2025.

Mon 10/276:15 amIAD - SYD

2 stops35h 45mMultiple Airlines

Sun 11/92:05 pmSYD - IAD

2 stops26h 06mMultiple Airlines

Deal found 9/7

$1,053

Mon 10/207:00 amIAD - SYD

2 stops36h 35mAir New Zealand

Sun 11/211:45 amSYD - IAD

2 stops27h 59mAir New Zealand

Deal found 9/7

$1,284

Wed 12/311:30 pmIAD - MEL

2 stops39h 30mTurkish Airlines

Wed 1/1410:55 pmMEL - IAD

2 stops52h 50mTurkish Airlines

Deal found 9/7

$1,448

Tue 2/2412:40 pmIAD - CBR

3 stops36h 25mAir Canada

Tue 3/107:05 amCBR - IAD

3 stops29h 00mAir Canada

Deal found 9/6

$1,498

Sat 11/15:37 pmIAD - PER

2 stops41h 13mCathay Pacific

Fri 11/712:15 amPER - IAD

2 stops35h 13mCathay Pacific

Deal found 9/6

$1,672

Tue 2/2411:30 amIAD - CBR

2 stops34h 40mAmerican Airlines

Tue 3/106:00 amCBR - IAD

2 stops31h 15mAmerican Airlines

Deal found 9/7

$1,719

Tue 2/248:05 pmIAD - CBR

2 stops44h 15mQatar Airways

Tue 3/1012:30 pmCBR - IAD

2 stops43h 25mQatar Airways

Deal found 9/6

$1,761

Thu 1/13:22 pmIAD - HBA

2 stops36h 23mUnited Airlines

Mon 1/199:20 pmHBA - IAD

2 stops43h 39mUnited Airlines

Deal found 9/5

$1,890

Tue 10/215:37 pmIAD - CBR

2 stops48h 38mQantas Airways

Tue 10/286:25 pmCBR - IAD

2 stops43h 26mQantas Airways

Deal found 9/6

$1,972

Mon 9/299:00 pmIAD - PER

2 stops40h 10mMalaysia Airlines

Fri 10/312:25 amPER - IAD

2 stops42h 55mMalaysia Airlines

Deal found 9/6

$1,976

Sat 10/1810:55 amIAD - CNS

2 stops44h 00mEmirates

Wed 10/227:40 pmCNS - IAD

2 stops75h 00mEmirates

Deal found 9/5

$2,074

Mon 10/206:15 amIAD - SYD

2 stops34h 50mMultiple Airlines

Sun 11/22:05 pmSYD - IAD

2 stops26h 06mMultiple Airlines

Deal found 9/7

$1,066

Last-minute flights from Dulles Intl to Australia
Discover last-minute flight deals from Dulles Intl to Australia. Data last updated September 8, 2025 and is based on user searches.

Sat 10/1110:14 pmIAD - SYD

2 stops56h 26mAir New Zealand

Sun 10/199:55 amSYD - IAD

2 stops28h 56mAir New Zealand

Deal found 9/7

$1,329

Mon 10/138:50 amIAD - SYD

2 stops32h 55mAir New Zealand

Sun 10/269:55 amSYD - IAD

2 stops28h 49mAir New Zealand

Deal found 9/7

$1,331

Mon 10/206:15 amIAD - SYD

2 stops34h 50mMultiple Airlines

Sun 11/22:05 pmSYD - IAD

2 stops26h 06mMultiple Airlines

Deal found 9/7

$1,066

Mon 10/207:00 amIAD - SYD

2 stops34h 45mAir New Zealand

Sun 11/21:55 pmSYD - IAD

2 stops27h 01mAir New Zealand

Deal found 9/6

$1,284

Mon 10/207:00 amIAD - SYD

2 stops34h 45mAir New Zealand

Tue 10/2811:45 amSYD - IAD

2 stops34h 03mAir New Zealand

Deal found 9/8

$1,289

Tue 10/219:00 amIAD - SYD

2 stops31h 30mMultiple Airlines

Fri 10/311:05 pmSYD - IAD

2 stops25h 24mMultiple Airlines

Deal found 9/8

$1,035

Tue 10/215:37 pmIAD - SYD

2 stops28h 08mMultiple Airlines

Tue 10/282:15 pmSYD - IAD

2 stops23h 36mMultiple Airlines

Deal found 9/6

$1,306

Sat 10/2510:18 pmIAD - BNE

2 stops45h 37mAir New Zealand

Sat 11/156:05 pmBNE - IAD

2 stops45h 51mAir New Zealand

Deal found 9/6

$1,312

Mon 10/276:15 amIAD - SYD

2 stops35h 45mMultiple Airlines

Sun 11/92:05 pmSYD - IAD

2 stops26h 06mMultiple Airlines

Deal found 9/7

$1,053

Mon 10/276:00 amIAD - SYD

2 stops35h 45mAir New Zealand

Sun 11/97:45 amSYD - IAD

2 stops30h 28mAir New Zealand

Deal found 9/6

$1,317

Wed 10/297:43 amIAD - SYD

2 stops59h 07mMultiple Airlines

Sun 11/911:35 amSYD - IAD

2 stops34h 48mMultiple Airlines

Deal found 9/6

$1,107

Wed 10/2912:55 pmIAD - SYD

2 stops30h 35mAir New Zealand

Tue 11/47:15 pmSYD - IAD

2 stops41h 36mAir New Zealand

Deal found 9/5

$1,307

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 8, 2025.

Mon 10/209:28 pmIAD - SYD

3 stops51h 12mMultiple Airlines

Deal found 9/8

$507

Mon 10/276:15 amIAD - SYD

2 stops35h 45mMultiple Airlines

Deal found 9/6

$508

Sat 9/137:00 amIAD - SYD

2 stops34h 05mMultiple Airlines

Deal found 9/8

$546

Mon 9/156:10 amIAD - SYD

2 stops34h 55mMultiple Airlines

Deal found 9/6

$550

Tue 10/216:25 amIAD - SYD

2 stops32h 40mMultiple Airlines

Deal found 9/6

$580

Tue 10/219:00 amIAD - MEL

3 stops48h 05mMultiple Airlines

Deal found 9/6

$583

Mon 12/11:30 pmIAD - MEL

2 stops42h 05mMultiple Airlines

Deal found 9/7

$590

Mon 11/241:30 pmIAD - MEL

2 stops42h 05mMultiple Airlines

Deal found 9/7

$591

Mon 10/272:30 pmIAD - MEL

2 stops42h 05mMultiple Airlines

Deal found 9/7

$599

Mon 11/31:30 pmIAD - MEL

2 stops42h 05mMultiple Airlines

Deal found 9/6

$601

Mon 11/101:30 pmIAD - MEL

2 stops42h 05mMultiple Airlines

Deal found 9/6

$602

Mon 10/209:28 pmIAD - MEL

3 stops59h 37mMultiple Airlines

Deal found 9/6

$606

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

Mon 10/27

6:15 am-9:00 am

2 stops35h 45m

Sydney Kingsford Smith

Sun 11/9

2:05 pm-12:11 am

2 stops26h 06m

$1,053

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 10/20

6:15 am-8:05 am

2 stops34h 50m

Sydney Kingsford Smith

Sun 11/2

2:05 pm-1:11 am

2 stops26h 06m

$1,066

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 10/20

7:00 am-10:35 am

2 stops36h 35m

Sydney Kingsford Smith

Sun 11/2

11:45 am-12:44 am

2 stops27h 59m

$1,284

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 11/17

6:00 am-10:30 am

2 stops36h 30m

Sydney Kingsford Smith

Mon 11/24

9:55 am-12:15 am

2 stops30h 20m

$1,284

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 11/10

8:30 am-12:40 pm

2 stops36h 10m

Sydney Kingsford Smith

Sun 11/23

11:45 am-11:44 pm

2 stops27h 59m

$1,284

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 11/3

8:30 am-8:45 am

2 stops32h 15m

Sydney Kingsford Smith

Sun 11/16

11:45 am-11:44 pm

2 stops27h 59m

$1,284

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 11/12

12:35 pm-8:45 am

2 stops28h 10m

Sydney Kingsford Smith

Wed 11/26

1:55 pm-9:25 pm

2 stops23h 30m

$1,284

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sat 11/1

10:10 pm-9:55 am

2 stops45h 45m

Brisbane

Tue 11/18

11:10 am-8:39 pm

2 stops24h 29m

$1,290

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 10/22

9:40 pm-8:40 pm

2 stops35h 00m

Perth

Wed 10/29

5:35 am-8:15 pm

2 stops50h 40m

$1,394

Washington, D.C.Canberra

IAD - CBR

IADCBR

Washington, D.C. Dulles Intl

Thu 9/25

6:00 pm-12:20 pm

2 stops28h 20m

Canberra

Sat 10/11

2:20 pm-10:51 pm

2 stops23h 31m

$1,396

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Australia (average of $1,033). Flying from Washington, D.C. Dulles Intl Airport to Australia in December is currently the most expensive (average of $1,622). 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

506 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

506 reviews

Air New Zealand

8.0

Very good

506 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

905 reviews

Air New Zealand

8.0

Very good

506 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

8,944 reviews

Air New Zealand

8.0

Very good

506 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

506 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

506 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 36h 25m. The distance from Washington, D.C. Dulles Intl Airport to Australia is about 9876 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Australia (average of $1,033). Flying from Washington, D.C. Dulles Intl Airport to Australia in December is currently the most expensive (average of $1,622). 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

Alternative routes for Dulles Intl to Australia

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Reagan-National to Perth flights

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Dulles Intl to Wellington flights

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Baltimore to Canberra flights

Dulles Intl to Hobart flights

Reagan-National to Vaitape flights

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Dulles Intl to Queenstown flights

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Dulles Intl to Port Moresby flights

Complete your trip

Australia car rentals

Queensland car rentals

New South Wales car rentals

Victoria car rentals

Tasmania car rentals

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Sydney Kingsford Smith Airport car rentals

Melbourne Airport car rentals

Brisbane Airport car rentals

Top 8 airlines flying from Dulles Intl to Australia

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$437	Average$1,708	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$609	Average$938	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$672	Average$1,050	FlexibilityNo cancel fee	On-time71%
Qantas Airways	Cheapest$678	Average$1,324	FlexibilityNo cancel fee	On-time74%
Air Canada	Cheapest$984	Average$1,409	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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$507+ 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 10/20. 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 8, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Australia

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 8, 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 8, 2025.

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.

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.

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?

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

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 8, 2025.

Reviews of airlines servicing Australia

Related info for your journey

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?

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Australia

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

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 8, 2025.