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Dulles Intl

$554+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
May 17 — May 241
Sun 5/17
Sun 5/24
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 April 17, 2026.

This Trip.com deal was found by Cheapflights users on 4/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:15 pm
SYD
-
IAD
3 stops34h 57m
Multiple Airlines
Sat 5/1611:07 am
IAD
-
SYD
3 stops45h 03m
Multiple Airlines
Deal found 4/16$1,063
This Trip.com deal was found by Cheapflights users on 4/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/316:00 am
SYD
-
IAD
3 stops50h 42m
Multiple Airlines
Sun 6/79:12 am
IAD
-
SYD
3 stops46h 58m
Multiple Airlines
Deal found 4/16$1,086
This Air China deal was found by Cheapflights users on 4/13. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:40 pm
SYD
-
IAD
1 stop37h 50m
Multiple Airlines
Sun 7/2610:20 pm
IAD
-
SYD
2 stops74h 30m
Multiple Airlines
Deal found 4/13$1,259
This Trip.com deal was found by Cheapflights users on 4/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:50 pm
SYD
-
IAD
2 stops31h 51m
Multiple Airlines
Wed 6/311:07 am
IAD
-
SYD
2 stops30h 23m
Multiple Airlines
Deal found 4/13$1,322
This Air China deal was found by Cheapflights users on 4/14. 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 China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/268:40 pm
SYD
-
IAD
1 stop37h 50m
Air China
Fri 12/410:00 pm
IAD
-
SYD
1 stop49h 30m
Air China
Deal found 4/14$1,323
This Air China deal was found by Cheapflights users on 4/14. 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 China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:40 pm
MEL
-
IAD
2 stops49h 45m
Multiple Airlines
Wed 6/310:20 pm
IAD
-
MEL
2 stops74h 35m
Multiple Airlines
Deal found 4/14$1,368
This Air China deal was found by Cheapflights users on 4/16. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:40 pm
SYD
-
IAD
2 stops39h 47m
Air China
Tue 8/2511:00 pm
IAD
-
SYD
1 stop49h 50m
Air China
Deal found 4/16$1,471
This Etihad Airways deal was found by Cheapflights users on 4/12. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:40 pm
SYD
-
IAD
1 stop32h 05m
Multiple Airlines
Wed 9/29:14 am
IAD
-
SYD
2 stops41h 36m
Multiple Airlines
Deal found 4/12$1,493
This EVA Air deal was found by Cheapflights users on 4/14. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2310:15 pm
BNE
-
IAD
1 stop38h 15m
EVA Air
Sat 8/291:50 am
IAD
-
BNE
1 stop28h 10m
EVA Air
Deal found 4/14$1,504
This EVA Air deal was found by Cheapflights users on 4/12. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/610:15 pm
BNE
-
IAD
1 stop38h 15m
EVA Air
Sat 8/221:50 am
IAD
-
BNE
1 stop28h 10m
EVA Air
Deal found 4/12$1,517
This CheersTravel deal was found by Cheapflights users on 4/12. 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 CheersTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:20 am
SYD
-
IAD
2 stops49h 54m
Air Canada
Wed 9/210:10 pm
IAD
-
SYD
2 stops43h 10m
Air Canada
Deal found 4/12$1,527
This Air China deal was found by Cheapflights users on 4/12. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/127:40 pm
MEL
-
IAD
2 stops49h 07m
Multiple Airlines
Wed 7/228:33 am
IAD
-
MEL
2 stops40h 22m
Multiple Airlines
Deal found 4/12$1,531

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 April 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,063
(Trip.com)

One-way from

$554
(Kiwi.com)

Popular in

April

Cheapest in

September

Average price

$1,567
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.
Search Deals
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. 10% potential increase in price ($139 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 April 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

Wed 8/19

3:40 pm-9:45 am

1 stop32h 05m

Washington, D.C. Dulles Intl

Wed 9/2

9:14 am-4:50 pm

2 stops41h 36m

$1,493

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 7/16

9:20 am-7:44 am

2 stops36h 24m

Washington, D.C. Dulles Intl

Sun 7/26

10:14 pm-7:20 am

2 stops43h 06m

$1,651

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 5/29

8:45 pm-5:42 pm

2 stops34h 57m

Washington, D.C. Dulles Intl

Fri 6/5

5:35 pm-6:50 pm

2 stops35h 15m

$1,698

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

Thu 5/28

1:30 pm-10:47 pm

2 stops23h 17m

Washington, D.C. Dulles Intl

Thu 6/4

6:10 am-12:00 pm

2 stops39h 50m

$1,737

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 5/11

1:15 pm-5:40 am

2 stops30h 25m

Washington, D.C. Dulles Intl

Sat 5/16

7:00 am-11:50 am

2 stops38h 50m

$1,765

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

Tue 7/21

10:55 am-9:22 pm

2 stops24h 27m

Washington, D.C. Dulles Intl

Tue 7/28

5:55 pm-8:15 am

1 stop24h 20m

$1,826

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

Mon 10/5

11:55 am-8:50 pm

2 stops23h 55m

Washington, D.C. Dulles Intl

Sat 10/17

10:10 pm-9:15 am

1 stop44h 05m

$1,828

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

Tue 6/16

10:55 am-8:42 pm

1 stop23h 47m

Washington, D.C. Dulles Intl

Thu 7/16

10:21 pm-7:30 am

2 stops43h 09m

$1,893

CanberraWashington, D.C.

CBR - IAD

CBRIAD

Canberra

Thu 9/10

6:20 am-6:30 am

2 stops38h 10m

Washington, D.C. Dulles Intl

Sun 9/13

8:19 am-10:50 am

3 stops36h 31m

$1,900

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 7/14

9:30 am-4:26 pm

1 stop20h 56m

Washington, D.C. Dulles Intl

Fri 7/24

10:20 pm-7:00 am

1 stop42h 40m

$1,900

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

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, October is the cheapest month in which you can book a flight from Australia to Washington, D.C. Dulles Intl Airport (average of $257). Flying from Australia to Washington, D.C. Dulles Intl Airport in May is currently the most expensive (average of $983). 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 April 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.
United Airlines
7.4
Good
9,602 reviews

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,602 reviews
United Airlines
7.4
Good
9,602 reviews

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 24h 27m. Air Canada provides one of the quickest options available for as low as $1,826. 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 Sydney Kingsford Smith - Washington, D.C. Dulles Intl or Brisbane - Washington, D.C. Dulles Intl, Melbourne - 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, October is the cheapest month in which you can book a flight from Australia to Washington, D.C. Dulles Intl Airport (average of $257). Flying from Australia to Washington, D.C. Dulles Intl Airport in May is currently the most expensive (average of $983). 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
Springfield
Arlington
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Largo
Upper Marlboro
Waldorf
Bowie
Clinton
Towson
Hunt Valley
Cordova

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Alternative routes for Australia to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Sydney to Dulles Intl flights
Sydney to Baltimore flights
Melbourne to Dulles Intl flights
Auckland to Baltimore flights
Tamuning to Reagan-National flights

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 April 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$885Average$1,476FlexibilityNo cancel feeOn-time69%

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