Australia

$492+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SYD
Jul 30 — Aug 61
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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 July 25, 2025.

Round-trip from

$1,036
(Trip.com)

One-way from

$492
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,280
From Washington, D.C. Dulles Intl to Australia
One-way flight from Washington, D.C. Dulles Intl to Australia
Highest demand for flights based on searches. 21% potential increase in price ($332 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($51 potential savings vs. average RT price).
Average for round-trip flights in July 2025

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 July 25, 2025.

This Trip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/249:15 amIAD - SYD
2 stops31h 50mMultiple Airlines
Wed 10/151:10 pmSYD - IAD
2 stops25h 35mMultiple Airlines
Deal found 7/24$1,036
This flugladen.de deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/71:15 pmIAD - PER
2 stops42h 25mMultiple Airlines
Sun 9/1411:35 pmPER - IAD
2 stops47h 20mMultiple Airlines
Deal found 7/24$1,254
This Orbitz deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/158:25 amIAD - SYD
1 stop32h 55mAir Canada
Tue 9/309:20 amSYD - IAD
2 stops25h 45mAir Canada
Deal found 7/23$1,318
This lol.travel deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/141:00 pmIAD - BNE
2 stops28h 05mAir Canada
Sun 9/2810:00 amBNE - IAD
2 stops25h 05mAir Canada
Deal found 7/23$1,350
This FlightHub deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/229:40 pmIAD - MEL
2 stops31h 45mTurkish Airlines
Wed 10/810:20 pmMEL - IAD
2 stops36h 25mTurkish Airlines
Deal found 7/21$1,368
This Fiji Airways deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1611:41 amIAD - BNE
2 stops32h 44mMultiple Airlines
Tue 10/2811:35 amBNE - IAD
2 stops25h 16mMultiple Airlines
Deal found 7/24$1,369
This Travelocity deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/213:36 pmIAD - MEL
3 stops30h 29mAir Canada
Tue 11/47:30 amMEL - IAD
3 stops29h 50mAir Canada
Deal found 7/22$1,370
This Travelocity deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/233:36 pmIAD - MEL
3 stops29h 59mMultiple Airlines
Wed 10/86:30 amMEL - IAD
3 stops29h 55mMultiple Airlines
Deal found 7/23$1,379
This oojo deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/261:30 pmIAD - SYD
2 stops39h 30mTurkish Airlines
Wed 9/38:55 pmSYD - IAD
2 stops52h 50mTurkish Airlines
Deal found 7/23$1,386
This Alaska Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/148:19 pmIAD - SYD
2 stops33h 26mAlaska Airlines
Tue 8/199:40 pmSYD - IAD
1 stop33h 07mAlaska Airlines
Deal found 7/24$1,417
This Fiji Airways deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:37 pmIAD - CBR
2 stops28h 28mMultiple Airlines
Thu 11/202:10 pmCBR - IAD
2 stops24h 08mMultiple Airlines
Deal found 7/24$1,422
This lol.travel deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/146:55 pmIAD - BNE
1 stop21h 35mUnited Airlines
Sun 9/2810:30 amBNE - IAD
1 stop19h 55mUnited Airlines
Deal found 7/23$1,443

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 25, 2025.
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

Dulles Intl

Fly to

Australia

Route

Depart

Return

Price

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 9/24

9:15 am-7:05 am

2 stops31h 50m

Sydney Kingsford Smith

Wed 10/15

1:10 pm-11:45 pm

2 stops25h 35m

$1,036

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 9/7

1:15 pm-7:40 pm

2 stops42h 25m

Perth

Sun 9/14

11:35 pm-10:55 am

2 stops47h 20m

$1,254

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 9/15

9:35 am-7:20 am

2 stops31h 45m

Sydney Kingsford Smith

Tue 9/30

9:20 am-9:05 pm

2 stops25h 45m

$1,318

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sun 9/14

8:25 am-7:05 am

1 stop32h 40m

Brisbane

Sun 9/28

10:00 am-9:05 pm

2 stops25h 05m

$1,350

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Mon 9/22

9:40 pm-7:25 pm

2 stops31h 45m

Melbourne

Wed 10/8

10:20 pm-7:45 pm

2 stops36h 25m

$1,368

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Thu 10/16

11:41 am-10:25 am

2 stops32h 44m

Brisbane

Tue 10/28

11:35 am-10:51 pm

2 stops25h 16m

$1,369

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Tue 10/21

3:36 pm-1:05 pm

3 stops30h 29m

Melbourne

Tue 11/4

7:30 am-9:20 pm

3 stops29h 50m

$1,370

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Tue 9/23

3:36 pm-11:35 am

3 stops29h 59m

Melbourne

Wed 10/8

6:30 am-9:25 pm

3 stops29h 55m

$1,379

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 8/26

1:30 pm-7:00 pm

2 stops39h 30m

Sydney Kingsford Smith

Wed 9/3

8:55 pm-11:45 am

2 stops52h 50m

$1,386

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Thu 8/14

8:19 pm-7:45 pm

2 stops33h 26m

Sydney Kingsford Smith

Tue 8/19

9:40 pm-4:47 pm

1 stop33h 07m

$1,417

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 60 results
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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 $1,032). Flying from Washington, D.C. Dulles Intl Airport to Australia in December is currently the most expensive (average of $1,621). 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?

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 July 25, 2025.

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 insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated July 25, 2025.
Get a feel of what it's like to fly with ANA, Emirates, and Fiji Airways 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.
8.4
Very good

Overall

8.4

Boarding

8.5

Food

7.7

Entertainment

7.9

Crew

8.7

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.4
Very good
8.4
Very good

Overall

8.4

Boarding

8.5

Food

7.7

Entertainment

7.9

Crew

8.7

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.4
Very good

Overall

8.4

Boarding

8.5

Food

7.7

Entertainment

7.9

Crew

8.7

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.4
Very good

Overall

8.4

Boarding

8.5

Food

7.7

Entertainment

7.9

Crew

8.7

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.0
Very good
8.4
Very good

Overall

8.4

Boarding

8.5

Food

7.7

Entertainment

7.9

Crew

8.7

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.4
Very good

Overall

8.4

Boarding

8.5

Food

7.7

Entertainment

7.9

Crew

8.7

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

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

    $781 is the cheapest one-way deal found within the past few days, from Air India. You may also be able to find cheap deals on Alaska Airlines and Fiji Airways, with prices starting from $783 and $826, respectively.

  • 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?

    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 $1,032). Flying from Washington, D.C. Dulles Intl Airport to Australia in December is currently the most expensive (average of $1,621). 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

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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

Discover the top 8 airlines that operate flights from Dulles Intl to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$609Average$967FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$672Average$1,050FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$678Average$1,321FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$1,015Average$1,328FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,159Average$1,643FlexibilityNo cancel feeOn-time69%
Air New ZealandCheapest$1,261Average$1,765FlexibilityNo cancel feeOn-time78%
ANACheapest$1,370Average$1,587FlexibilityNo cancel feeOn-time80%
Qatar AirwaysCheapest$1,506Average$2,163FlexibilityNo cancel feeOn-time68%

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