Dulles Intl

$523+ Cheap flights from Australia to Dulles Intl (IAD)

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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
Mar 1 — Mar 81
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Australia to Dulles Intl 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 Australia to Dulles Intl

Cheapest flights from Australia to Dulles Intl
Explore the most affordable flight options available from Australia to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 30, 2026.

This Air Canada deal was found by Cheapflights users on 1/30. 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.
Fri 4/310:00 am
BNE
-
IAD
2 stops39h 17m
Air Canada
Fri 4/109:55 am
IAD
-
BNE
2 stops31h 10m
Air Canada
Deal found 1/30$981
This Air Canada deal was found by Cheapflights users on 1/29. 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.
Sun 3/159:45 am
BNE
-
IAD
2 stops39h 44m
Air Canada
Sun 3/225:46 pm
IAD
-
BNE
2 stops47h 59m
Air Canada
Deal found 1/29$1,012
This Air Canada deal was found by Cheapflights users on 1/27. 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.
Wed 2/1810:45 am
BNE
-
IAD
2 stops39h 59m
Air Canada
Sun 2/2210:13 pm
IAD
-
BNE
2 stops43h 32m
Air Canada
Deal found 1/27$1,014
This Booking.com deal was found by Cheapflights users on 1/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/710:45 am
BNE
-
IAD
2 stops38h 59m
Air Canada
Wed 3/1110:13 pm
IAD
-
BNE
2 stops43h 32m
Air Canada
Deal found 1/29$1,031
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/149:45 am
BNE
-
IAD
2 stops44h 26m
Air Canada
Sat 3/219:55 am
IAD
-
BNE
2 stops31h 50m
Air Canada
Deal found 1/28$1,051
This Priceline deal was found by Cheapflights users on 1/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:45 am
BNE
-
IAD
2 stops39h 44m
Air Canada
Tue 3/319:55 am
IAD
-
BNE
2 stops31h 10m
Air Canada
Deal found 1/28$1,063
This CheersTravel deal was found by Cheapflights users on 1/29. 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 CheersTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1610:25 am
SYD
-
IAD
2 stops44h 46m
Air Canada
Mon 3/239:55 am
IAD
-
SYD
2 stops31h 40m
Air Canada
Deal found 1/29$1,074
This CheersTravel deal was found by Cheapflights users on 1/29. 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 CheersTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1011:20 am
SYD
-
IAD
2 stops44h 53m
Air Canada
Wed 2/2510:09 pm
IAD
-
SYD
2 stops43h 26m
Air Canada
Deal found 1/29$1,079
This Air Canada deal was found by Cheapflights users on 1/28. 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.
Thu 2/1211:20 am
SYD
-
IAD
2 stops40h 09m
Air Canada
Wed 2/184:30 pm
IAD
-
SYD
2 stops25h 05m
Air Canada
Deal found 1/28$1,093
This United Airlines deal was found by Cheapflights users on 1/28. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/211:40 am
BNE
-
IAD
1 stop24h 08m
United Airlines
Tue 3/318:12 pm
IAD
-
BNE
2 stops44h 18m
United Airlines
Deal found 1/28$1,095
This BestPriceTravel deal was found by Cheapflights users on 1/28. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2511:20 am
SYD
-
IAD
2 stops26h 03m
Air Canada
Wed 3/49:45 am
IAD
-
SYD
2 stops31h 50m
Air Canada
Deal found 1/28$1,127
This Expedia deal was found by Cheapflights users on 1/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1711:20 am
SYD
-
IAD
2 stops26h 01m
Air Canada
Wed 2/254:30 pm
IAD
-
SYD
2 stops25h 05m
Air Canada
Deal found 1/29$1,132

Find flight deals from Australia to Dulles Intl

Keep the following information in mind while searching for Australia to Dulles Intl flight deals. Data was last updated January 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$970
(Air Canada)

One-way from

$551
(Kiwi.com)

Popular in

April

Cheapest in

February

Average price

$861
Provider with most accurate pricing for Sydney Kingsford Smith-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Washington, D.C. (WAS) flights.
From Australia to Washington, D.C. Dulles Intl
One-way flight from Australia to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 9% potential increase in price ($116 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
Average for round-trip flights in January 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Australia to Dulles Intl 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 January 30, 2026.
Use the filters below to find and compare flights from Australia to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Australia

Fly to

Dulles Intl

Route

Depart

Return

Price

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

Fri 4/3

10:00 am-11:17 am

2 stops39h 17m

Washington, D.C. Dulles Intl

Fri 4/10

9:55 am-7:05 am

2 stops31h 10m

$981

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

Sun 3/15

9:45 am-11:29 am

2 stops39h 44m

Washington, D.C. Dulles Intl

Sun 3/22

5:46 pm-7:45 am

2 stops47h 59m

$1,012

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

Wed 2/18

10:45 am-11:44 am

2 stops39h 59m

Washington, D.C. Dulles Intl

Sun 2/22

10:13 pm-8:45 am

2 stops43h 32m

$1,014

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

Mon 3/2

10:45 am-11:29 am

2 stops39h 44m

Washington, D.C. Dulles Intl

Tue 3/31

9:55 am-7:05 am

2 stops31h 10m

$1,063

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

Mon 3/2

11:40 am-8:48 pm

1 stop24h 08m

Washington, D.C. Dulles Intl

Tue 3/31

8:12 pm-6:30 am

2 stops44h 18m

$1,095

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

Sun 3/15

10:30 am-8:54 pm

1 stop25h 24m

Washington, D.C. Dulles Intl

Sun 3/22

1:15 pm-8:30 am

2 stops28h 15m

$1,140

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

Sat 3/14

10:40 am-9:25 pm

2 stops24h 45m

Washington, D.C. Dulles Intl

Sat 3/21

10:10 pm-6:30 am

1 stop42h 20m

$1,147

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 2/12

11:20 am-9:23 pm

2 stops50h 03m

Washington, D.C. Dulles Intl

Mon 2/16

5:46 pm-9:35 am

2 stops47h 49m

$1,185

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

Fri 2/27

4:05 pm-10:53 pm

1 stop22h 48m

Washington, D.C. Dulles Intl

Fri 3/6

6:00 am-5:00 am

1 stop31h 00m

$1,189

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

Sat 2/28

11:30 am-4:24 pm

1 stop20h 54m

Washington, D.C. Dulles Intl

Sat 3/7

6:03 pm-10:00 am

1 stop23h 57m

$1,192

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

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

Best time to book a flight from Australia to Dulles Intl

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

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

Currently, February is the cheapest month in which you can book a flight from Australia to Washington, D.C. Dulles Intl Airport (average of $408). Flying from Australia to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $967). 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.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated January 30, 2026.
See what other customers who have flown with United Airlines from Australia to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

6.6

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Food

6.6

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

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

    A quick flight from Australia to Washington, D.C. Dulles Intl Airport can take about 22h 48m. Air Canada provides one of the quickest options available for as low as $1,189. Airlines will cover a distance of 10156 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Australia to Dulles Intl 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 Australia to Washington, D.C. Dulles Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Australia to Washington, D.C. Dulles Intl Airport (average of $408). Flying from Australia to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $967). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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.

Top airline flying from Australia to Dulles Intl

Discover the top airline that operate flights from Australia to Dulles Intl. 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 January 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$885Average$1,501FlexibilityNo cancel feeOn-time69%

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.