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Dulles Intl

$451+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
Sep 6 — Sep 131
Sun 9/6
Sun 9/13
1 adult, Economy
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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 August 7, 2026.

This Trip.com deal was found by Cheapflights users on 8/2. 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 9/231:15 pm -
3 stops35h 12m
Mon 9/286:00 am -
3 stops39h 50m
Deal found 8/2$817
This Trip.com deal was found by Cheapflights users on 8/4. 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.
Tue 9/89:10 am -
2 stops33h 51m
Tue 9/2911:12 am -
2 stops29h 53m
Deal found 8/4$944
This BestPriceTravel deal was found by Cheapflights users on 8/3. 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 9/99:20 am -
1 stop35h 10m
Sun 9/2010:10 pm -
2 stops43h 10m
Deal found 8/3$958
This BestPriceTravel deal was found by Cheapflights users on 8/3. 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 9/99:20 am -
2 stops36h 23m
Tue 9/228:29 am -
2 stops47h 11m
Deal found 8/3$980
This Air Canada deal was found by Cheapflights users on 8/3. 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 9/310:15 am -
2 stops25h 03m
Tue 9/1512:43 pm -
2 stops28h 22m
Deal found 8/3$992
This lol.travel deal was found by Cheapflights users on 8/3. 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.
Thu 9/310:15 am -
2 stops44h 20m
Sun 9/2710:10 pm -
2 stops42h 55m
Deal found 8/3$995
This Mytrip deal was found by Cheapflights users on 8/3. 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.
Thu 9/1010:15 am -
2 stops24h 10m
Thu 9/244:00 pm -
2 stops25h 05m
Deal found 8/3$1,002
This FlightHub deal was found by Cheapflights users on 8/2. 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.
Wed 8/269:20 am -
2 stops25h 58m
Sun 8/3010:10 pm -
2 stops43h 10m
Deal found 8/2$1,012
This Air Canada deal was found by Cheapflights users on 8/3. 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 9/1710:15 am -
1 stop34h 15m
Thu 9/244:02 pm -
2 stops25h 03m
Deal found 8/3$1,014
This Booking.com deal was found by Cheapflights users on 8/3. 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.
Mon 9/289:20 am -
2 stops49h 54m
Mon 10/1210:10 pm -
2 stops43h 10m
Deal found 8/3$1,018
This Air Canada deal was found by Cheapflights users on 8/3. 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 8/1810:15 am -
2 stops24h 09m
Mon 8/248:29 am -
1 stop32h 36m
Deal found 8/3$1,019
This BYOjet deal was found by Cheapflights users on 8/4. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:45 pm -
3 stops37h 40m
Mon 10/194:00 pm -
2 stops25h 05m
Deal found 8/4$1,022

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 August 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$810
(Trip.com)

One-way from

$451
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,021
Provider with most accurate pricing for Sydney Kingsford Smith-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Washington, D.C. (WAS) flights.
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From Australia to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Australia to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($99 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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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 August 7, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BrisbaneWashington, D.C.

BNE Brisbane - IAD Washington, D.C. Dulles Intl

BNEIAD

Brisbane

Thu 9/3

10:15 am-11:13 am

2 stops38h 58m

Washington, D.C. Dulles Intl

Tue 9/15

8:29 am-7:05 am

1 stop32h 36m

$992

BrisbaneWashington, D.C.

BNE Brisbane - IAD Washington, D.C. Dulles Intl

BNEIAD

Brisbane

Wed 8/19

10:00 am-7:43 am

2 stops35h 43m

Washington, D.C. Dulles Intl

Tue 8/25

10:10 pm-7:05 am

2 stops42h 55m

$1,020

CoolangattaWashington, D.C.

OOL Coolangatta Gold Coast - IAD Washington, D.C. Dulles Intl

OOLIAD

Coolangatta Gold Coast

Wed 10/28

6:00 am-4:24 pm

3 stops48h 24m

Washington, D.C. Dulles Intl

Sun 11/1

5:35 pm-12:40 pm

3 stops52h 05m

$1,242

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Fri 12/25

11:20 am-8:23 pm

2 stops25h 03m

Washington, D.C. Dulles Intl

Sat 1/30

9:55 am-9:35 am

2 stops31h 40m

$1,272

CoolangattaWashington, D.C.

OOL Coolangatta Gold Coast - IAD Washington, D.C. Dulles Intl

OOLIAD

Coolangatta Gold Coast

Thu 10/22

6:00 am-8:25 pm

3 stops28h 25m

Washington, D.C. Dulles Intl

Sat 11/7

12:39 pm-12:40 pm

3 stops33h 01m

$1,294

BrisbaneWashington, D.C.

BNE Brisbane - IAD Washington, D.C. Dulles Intl

BNEIAD

Brisbane

Tue 8/18

10:15 am-6:30 am

1 stop34h 15m

Washington, D.C. Dulles Intl

Mon 8/24

8:29 am-7:05 am

1 stop32h 36m

$1,369

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Sat 8/29

8:45 pm-6:14 pm

3 stops35h 29m

Washington, D.C. Dulles Intl

Sun 9/13

5:57 pm-6:50 pm

2 stops34h 53m

$1,432

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Wed 10/14

10:05 pm-11:30 am

2 stops52h 25m

Washington, D.C. Dulles Intl

Sat 10/24

10:20 pm-7:25 pm

2 stops54h 05m

$1,479

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Tue 10/13

10:05 pm-11:30 am

2 stops52h 25m

Washington, D.C. Dulles Intl

Sat 10/24

10:20 pm-7:25 pm

2 stops54h 05m

$1,479

MelbourneWashington, D.C.

MEL Melbourne - IAD Washington, D.C. Dulles Intl

MELIAD

Melbourne

Mon 10/19

12:10 pm-1:06 am

2 stops27h 56m

Washington, D.C. Dulles Intl

Sun 11/8

2:38 pm-10:55 am

2 stops28h 17m

$1,520

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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, November is the cheapest month in which you can book a flight from Australia to Washington, D.C. Dulles Intl Airport (average of $1,095). Flying from Australia to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $1,615). 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.

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 27h 56m. Air Canada provides one of the quickest options available for as low as $1,520. 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?

    While some choose either Melbourne - Washington, D.C. Dulles Intl or Perth - Washington, D.C. Dulles Intl, Sydney Kingsford Smith - Washington, D.C. Dulles Intl is the most popular route 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, November is the cheapest month in which you can book a flight from Australia to Washington, D.C. Dulles Intl Airport (average of $1,095). Flying from Australia to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $1,615). 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
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Laurel
Sterling
Clinton
Oxon Hill
Hunt Valley
Woodbridge

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Alternative routes for Australia to Dulles Intl

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