Dulles Intl

$681+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
abr. 16 — abr. 231
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 marzo 17, 2026.

This lastminute.co.il deal was found by Cheapflights users on 3/12. 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 lastminute.co.il is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/1310:00 am
BNE
-
IAD
2 stops39h 50m
Air Canada
lun. 5/188:15 am
IAD
-
BNE
2 stops56h 50m
Air Canada
Deal found 3/12$964
This Jettzy deal was found by Cheapflights users on 3/12. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/169:20 am
SYD
-
IAD
2 stops39h 57m
Air Canada
sáb. 5/210:08 pm
IAD
-
SYD
2 stops67h 12m
Air Canada
Deal found 3/12$980
This CheersTravel deal was found by Cheapflights users on 3/14. 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.
mar. 4/289:20 am
SYD
-
IAD
2 stops49h 58m
Air Canada
vie. 5/155:35 pm
IAD
-
SYD
2 stops47h 45m
Air Canada
Deal found 3/14$988
This Flighttix deal was found by Cheapflights users on 3/15. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/299:20 am
SYD
-
IAD
2 stops36h 30m
Air Canada
mié. 5/612:40 pm
IAD
-
SYD
2 stops28h 40m
Air Canada
Deal found 3/15$991
This flugladen.de deal was found by Cheapflights users on 3/16. 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.
jue. 4/309:20 am
SYD
-
IAD
2 stops25h 09m
Air Canada
jue. 5/74:05 pm
IAD
-
SYD
2 stops25h 15m
Air Canada
Deal found 3/16$1,003
This Air Canada deal was found by Cheapflights users on 3/14. 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.
jue. 4/239:20 am
SYD
-
IAD
2 stops40h 30m
Air Canada
dom. 4/2610:08 pm
IAD
-
SYD
2 stops43h 12m
Air Canada
Deal found 3/14$1,005
This CheersTravel deal was found by Cheapflights users on 3/13. 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.
lun. 4/279:20 am
SYD
-
IAD
2 stops40h 30m
Air Canada
lun. 5/48:15 am
IAD
-
SYD
2 stops33h 05m
Air Canada
Deal found 3/13$1,013
This Booking.com deal was found by Cheapflights users on 3/14. 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.
mar. 4/289:20 am
SYD
-
IAD
2 stops49h 58m
Air Canada
mar. 5/58:15 am
IAD
-
SYD
2 stops33h 05m
Air Canada
Deal found 3/14$1,019
This Mytrip deal was found by Cheapflights users on 3/13. 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.
lun. 4/2710:00 am
BNE
-
IAD
2 stops49h 18m
Air Canada
lun. 5/410:07 pm
IAD
-
BNE
2 stops42h 58m
Air Canada
Deal found 3/13$1,070
This Flighttix deal was found by Cheapflights users on 3/14. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/49:45 am
MEL
-
IAD
2 stops23h 40m
British Airways
lun. 5/187:00 am
IAD
-
MEL
1 stop32h 00m
British Airways
Deal found 3/14$1,086
This American Airlines deal was found by Cheapflights users on 3/14. 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.
lun. 5/41:35 pm
MEL
-
IAD
1 stop23h 51m
American Airlines
mar. 5/196:10 am
IAD
-
MEL
1 stop34h 35m
American Airlines
Deal found 3/14$1,088
This United Airlines deal was found by Cheapflights users on 3/15. 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.
lun. 10/511:55 am
MEL
-
IAD
2 stops27h 19m
United Airlines
sáb. 10/1710:10 pm
IAD
-
MEL
1 stop44h 05m
United Airlines
Deal found 3/15$1,091

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 marzo 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$964
(lastminute.co.il)

One-way from

$681
(BYOjet)

Popular in

April

Cheapest in

September

Average price

$1,139
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. 7% potential increase in price ($99 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
Average for round-trip flights in March 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 marzo 17, 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

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

jue. 4/30

9:20 am-9:18 pm

2 stops49h 58m

Washington, D.C. Dulles Intl

jue. 5/7

9:45 am-7:20 am

2 stops31h 35m

$1,013

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

lun. 4/27

10:00 am-9:18 pm

2 stops49h 18m

Washington, D.C. Dulles Intl

lun. 5/4

10:07 pm-7:05 am

2 stops42h 58m

$1,070

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

mar. 4/28

10:55 am-11:25 pm

2 stops26h 30m

Washington, D.C. Dulles Intl

mar. 5/5

6:40 pm-8:15 am

1 stop23h 35m

$1,099

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

lun. 5/4

10:55 am-9:20 pm

2 stops24h 25m

Washington, D.C. Dulles Intl

lun. 5/18

2:37 pm-7:30 am

2 stops26h 53m

$1,105

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

mar. 4/28

10:20 am-4:25 pm

1 stop20h 05m

Washington, D.C. Dulles Intl

mar. 5/5

1:10 pm-6:55 am

2 stops27h 45m

$1,106

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

dom. 4/26

10:00 am-7:50 am

2 stops35h 50m

Washington, D.C. Dulles Intl

dom. 5/3

10:07 pm-7:05 am

2 stops42h 58m

$1,114

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

jue. 5/7

10:55 am-9:04 pm

1 stop24h 09m

Washington, D.C. Dulles Intl

sáb. 5/23

10:21 pm-8:15 am

1 stop43h 54m

$1,118

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

mar. 5/5

10:55 am-7:12 pm

1 stop22h 17m

Washington, D.C. Dulles Intl

lun. 5/18

12:40 pm-7:30 am

1 stop28h 50m

$1,118

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

lun. 5/4

10:55 am-9:20 pm

2 stops24h 25m

Washington, D.C. Dulles Intl

sáb. 5/23

10:21 pm-8:15 am

1 stop43h 54m

$1,118

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

jue. 4/16

9:30 am-4:29 pm

1 stop20h 59m

Washington, D.C. Dulles Intl

sáb. 5/2

10:20 pm-6:55 am

2 stops42h 35m

$1,125

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 60 resultsSorted by cheapest first
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, October is the cheapest month in which you can book a flight from Australia to Washington, D.C. Dulles Intl Airport (average of $359). Flying from Australia to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $1,124). 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 marzo 17, 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.

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

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

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

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 26h 30m. Air Canada provides one of the quickest options available for as low as $1,099. 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, October is the cheapest month in which you can book a flight from Australia to Washington, D.C. Dulles Intl Airport (average of $359). Flying from Australia to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $1,124). 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
Owings Mills
Arlington
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park
Cordova

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 Australia to Dulles Intl

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

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 marzo 17, 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.