HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Australia

$526+ 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 3/29. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SYD
Dec 28 — Jan 41
Sat 12/28
Sat 1/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Australia with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to Australia

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Australia (AU0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 23, 2024.

Round-trip from

$879
(American Airlines)

One-way from

$527
(Qantas Airways)
From Washington, D.C. Dulles Intl to Australia
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Australia
Search Deals

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 December 23, 2024.

This Justfly.com deal was found by Cheapflights users on 12/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/255:15 pmIAD - BNE
1 stop22h 00mQantas Airways
Sat 1/189:40 amBNE - IAD
1 stop21h 34mQantas Airways
Deal found 12/22$1,155
This American Airlines deal was found by Cheapflights users on 12/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/246:21 amIAD - MEL
2 stops33h 14mAmerican Airlines
Tue 1/2112:00 pmMEL - IAD
2 stops26h 41mAmerican Airlines
Deal found 12/22$1,164
This American Airlines deal was found by Cheapflights users on 12/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/259:19 amIAD - BNE
2 stops28h 41mAmerican Airlines
Sat 1/1810:00 pmBNE - IAD
2 stops25h 43mAmerican Airlines
Deal found 12/22$1,190
This KAYAK deal was found by Cheapflights users on 12/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/295:15 pmIAD - SYD
2 stops25h 05mQantas Airways
Mon 2/311:50 amSYD - IAD
1 stop20h 24mQantas Airways
Deal found 12/22$1,229
This Delta deal was found by Cheapflights users on 12/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/243:10 pmIAD - SYD
2 stops25h 25mDelta
Sat 1/1811:05 amSYD - IAD
2 stops27h 31mDelta
Deal found 12/22$1,354
This Ovago deal was found by Cheapflights users on 12/22. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/255:15 pmIAD - ADL
2 stops37h 50mQantas Airways
Sat 1/186:00 amADL - IAD
2 stops25h 44mQantas Airways
Deal found 12/22$1,410
This Air Canada deal was found by Cheapflights users on 12/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3110:35 amIAD - SYD
2 stops31h 00mAir Canada
Mon 2/311:20 amSYD - IAD
3 stops40h 10mAir Canada
Deal found 12/22$1,420
This Ovago deal was found by Cheapflights users on 12/22. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/285:15 pmIAD - MEL
1 stop44h 25mMultiple Airlines
Sat 1/186:10 amMEL - IAD
2 stops26h 04mMultiple Airlines
Deal found 12/22$1,456
This Cheapflightsfares deal was found by Cheapflights users on 12/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/255:15 pmIAD - MEL
2 stops26h 25mQantas Airways
Tue 1/218:00 amMEL - IAD
2 stops24h 14mQantas Airways
Deal found 12/23$1,543
This Qantas Airways deal was found by Cheapflights users on 12/23. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/255:15 pmIAD - CBR
2 stops26h 10mQantas Airways
Mon 1/278:40 amCBR - IAD
2 stops23h 34mQantas Airways
Deal found 12/23$1,574
This United deal was found by Cheapflights users on 12/22. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/295:50 pmIAD - SYD
1 stop23h 25mUnited Airlines
Mon 2/312:10 pmSYD - IAD
1 stop20h 18mUnited Airlines
Deal found 12/22$1,804
This Ovago deal was found by Cheapflights users on 12/23. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/248:50 amIAD - MEL
1 stop32h 40mAir New Zealand
Tue 1/2112:05 pmMEL - IAD
2 stops25h 08mAir New Zealand
Deal found 12/23$1,861

Find flights from Dulles Intl to Australia within your budget

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 December 23, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 2/12

9:11 am-6:35 am

2 stops29h 24m

Sydney Kingsford Smith

Wed 2/26

7:30 am-4:12 pm

2 stops24h 42m

$879

Washington, D.C.Canberra

IAD - CBR

IADCBR

Washington, D.C. Dulles Intl

Thu 3/20

5:20 pm-11:25 am

2 stops27h 05m

Canberra

Wed 3/26

6:00 am-4:20 pm

2 stops25h 20m

$942

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 2/10

10:03 am-8:35 am

2 stops30h 32m

Sydney Kingsford Smith

Tue 2/25

2:15 pm-12:20 am

2 stops26h 05m

$953

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Fri 2/21

5:13 pm-6:15 am

1 stop22h 02m

Brisbane

Fri 3/14

8:05 am-4:20 pm

1 stop22h 15m

$1,079

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Fri 4/18

2:12 pm-5:00 am

2 stops24h 48m

Brisbane

Fri 5/2

10:00 pm-8:38 am

2 stops24h 38m

$1,113

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Tue 3/4

6:12 am-5:40 am

1 stop31h 28m

Melbourne

Tue 3/18

4:20 pm-10:14 pm

1 stop20h 54m

$1,127

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Fri 3/14

5:20 pm-11:05 am

2 stops26h 45m

Melbourne

Mon 3/31

12:00 pm-5:22 pm

2 stops44h 22m

$1,210

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 5/6

9:55 am-7:20 am

2 stops31h 25m

Sydney Kingsford Smith

Mon 6/2

9:20 am-4:23 pm

1 stop21h 03m

$1,222

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 3/19

5:20 pm-12:25 pm

2 stops31h 05m

Perth

Tue 4/1

10:55 pm-4:20 pm

2 stops29h 25m

$1,236

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 2/16

12:55 pm-9:35 am

2 stops28h 40m

Sydney Kingsford Smith

Tue 2/25

11:20 am-11:31 am

3 stops40h 11m

$1,242

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

Showing 1-10 of 60 results
1
2
3
...
6

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.

Travel insights for flights from Dulles Intl to Australia

Get recent, data-driven insights about flights from Dulles Intl to Australia including ideal travel times, pricing trends, and more.

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 $1,051). Flying from Washington, D.C. Dulles Intl Airport 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 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 December 23, 2024.

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.

Rainfall in Australia by month

Plan your trip to Australia by taking into account the average rainfall totals 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

Plan your trip to Australia by taking into account the average temperature totals 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

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 December 23, 2024.
To help decide which airline to fly from Washington, D.C. to Australia, see what other customers have to say about American Airlines, Air Canada and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
63 reviews

Crew

9.0

Entertainment

7.2

Comfort

8.0

Boarding

8.6

Food

7.7

Overall

8.7

Reviews

1 / 2

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
8.7
Very good
63 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Crew

9.0

Entertainment

7.2

Comfort

8.0

Boarding

8.6

Food

7.7

Overall

8.7

Reviews

1 / 2

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.

ANA
8.4
Very good
844 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Crew

9.0

Entertainment

7.2

Comfort

8.0

Boarding

8.6

Food

7.7

Overall

8.7

Reviews

1 / 2

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.

Emirates
8.1
Very good
3,395 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Crew

9.0

Entertainment

7.2

Comfort

8.0

Boarding

8.6

Food

7.7

Overall

8.7

Reviews

1 / 2

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.

Singapore Airlines
8.1
Very good
1,330 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Crew

9.0

Entertainment

7.2

Comfort

8.0

Boarding

8.6

Food

7.7

Overall

8.7

Reviews

1 / 2

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.

Delta
8.0
Very good
8,588 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Crew

9.0

Entertainment

7.2

Comfort

8.0

Boarding

8.6

Food

7.7

Overall

8.7

Reviews

1 / 2

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.

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?

    $543 is the cheapest one-way deal found within the past few days, from Qantas Airways. You may also be able to find cheap deals on American Airlines and Alaska Airlines, with prices starting from $559 and $782, 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 - Brisbane, 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 $1,051). Flying from Washington, D.C. Dulles Intl Airport 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

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.
Dulles Intl to Sydney flights
Reagan-National to Sydney flights
Dulles Intl to Melbourne flights
Baltimore to Sydney flights
Dulles Intl to Auckland flights
Baltimore to Melbourne flights
Reagan-National to Melbourne flights
Baltimore to Auckland flights
Reagan-National to Auckland flights
Dulles Intl to Brisbane flights
Dulles Intl to Avalon flights
Dulles Intl to Christchurch flights
Reagan-National to Brisbane flights
Baltimore to Christchurch flights
Baltimore to Brisbane flights
Dulles Intl to Papeete flights
Reagan-National to Christchurch flights
Baltimore to Avalon flights
Baltimore to Papeete flights
Reagan-National to Papeete flights
Dulles Intl to Tamuning flights
Reagan-National to Vaitape flights
Dulles Intl to Wellington flights
Dulles Intl to Canberra flights
Reagan-National to Maroochydore flights
Dulles Intl to Maroochydore flights
Baltimore to Tamuning flights
Reagan-National to Tamuning flights
Reagan-National to Nadi flights
Reagan-National to Canberra flights
Baltimore to Nadi flights
Reagan-National to Perth flights
Baltimore to Canberra flights
Dulles Intl to Nadi flights
Dulles Intl to Vaitape flights
Reagan-National to Wellington flights
Dulles Intl to Queenstown flights
Reagan-National to Port Vila flights
Baltimore to Queenstown flights
Dulles Intl to Perth flights
Baltimore to Perth flights
Baltimore to Wellington flights
Reagan-National to Queenstown flights
Dulles Intl to Adelaide flights
Dulles Intl to Port Vila flights
Dulles Intl to Hobart flights
Reagan-National to Adelaide flights
Dulles Intl to Cairns flights
Dulles Intl to Apia flights

Top 9 airlines flying from Dulles Intl to Australia

Discover the top 9 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 December 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$221Average$426FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$356Average$1,113FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$678Average$1,477FlexibilityNo cancel feeOn-time74%
DeltaCheapest$852Average$1,152FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$948Average$1,333FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$973Average$1,765FlexibilityNo cancel feeOn-time69%
Air New ZealandCheapest$1,329Average$1,576FlexibilityNo cancel feeOn-time78%
Singapore AirlinesCheapest$1,504Average$1,823FlexibilityNo cancel feeOn-time81%
ANACheapest$1,667Average$1,862FlexibilityNo cancel feeOn-time80%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.