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Dulles Intl

$502+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap 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 September 17, 2025.

Round-trip from

$888
(Air Canada)

One-way from

$502
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,073
From Australia to Washington, D.C. Dulles Intl
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One-way flight from Australia to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 11% potential increase in price ($157 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 17, 2025.

This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2110:20 amBNE - IAD
2 stops38h 53mAir Canada
Sun 10/269:45 amIAD - BNE
2 stops32h 00mAir Canada
Deal found 9/15$888
This SmartFares deal was found by Cheapflights users on 9/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1010:00 amBNE - IAD
2 stops25h 05mAir Canada
Mon 10/205:37 pmIAD - BNE
2 stops47h 28mAir Canada
Deal found 9/15$914
This Gotogate deal was found by Cheapflights users on 9/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/309:45 amBNE - IAD
2 stops25h 14mAir Canada
Thu 11/69:45 amIAD - BNE
2 stops56h 00mAir Canada
Deal found 9/15$922
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 9/199:30 amMEL - IAD
2 stops49h 47mUnited Airlines
Sun 9/216:35 amIAD - MEL
1 stop35h 40mUnited Airlines
Deal found 9/15$977
This Trip.com deal was found by Cheapflights users on 9/16. 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.
Fri 10/312:15 pmSYD - IAD
2 stops31h 33mMultiple Airlines
Fri 11/76:48 amIAD - SYD
2 stops37h 42mMultiple Airlines
Deal found 9/16$987
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Thu 10/3010:20 amSYD - IAD
2 stops25h 39mAir Canada
Thu 11/69:45 amIAD - SYD
2 stops31h 50mAir Canada
Deal found 9/14$1,007
This Gotogate deal was found by Cheapflights users on 9/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:20 amSYD - IAD
2 stops25h 39mAir Canada
Fri 11/149:45 amIAD - SYD
2 stops31h 50mAir Canada
Deal found 9/15$1,040
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/239:40 pmSYD - IAD
2 stops35h 48mAlaska Airlines
Tue 11/46:13 pmIAD - SYD
2 stops33h 32mAlaska Airlines
Deal found 9/16$1,071
This BestPriceTravel deal was found by Cheapflights users on 9/15. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:00 amMEL - IAD
2 stops27h 51mQantas Airways
Tue 10/285:37 pmIAD - MEL
1 stop44h 23mQantas Airways
Deal found 9/15$1,075
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/302:30 pmMEL - IAD
2 stops31h 18mMultiple Airlines
Thu 11/66:48 amIAD - MEL
2 stops37h 57mMultiple Airlines
Deal found 9/15$1,079
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 9/309:30 amSYD - IAD
1 stop25h 31mUnited Airlines
Sun 10/56:30 amIAD - SYD
1 stop34h 25mUnited Airlines
Deal found 9/15$1,099
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/255:45 pmSYD - IAD
2 stops29h 32mMultiple Airlines
Mon 9/296:10 amIAD - SYD
2 stops35h 20mMultiple Airlines
Deal found 9/15$1,109

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 September 17, 2025.
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

Tue 10/21

5:05 am-9:38 am

3 stops42h 33m

Washington, D.C. Dulles Intl

Sun 10/26

9:45 am-7:45 am

2 stops32h 00m

$918

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 2/18

12:10 pm-4:29 pm

1 stop20h 19m

Washington, D.C. Dulles Intl

Sun 2/22

10:10 pm-9:05 am

1 stop42h 55m

$1,070

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 10/23

9:40 pm-6:28 pm

2 stops35h 48m

Washington, D.C. Dulles Intl

Tue 11/4

6:13 pm-7:45 pm

2 stops33h 32m

$1,071

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

Thu 10/30

2:30 pm-6:48 am

2 stops31h 18m

Washington, D.C. Dulles Intl

Thu 11/6

6:48 am-12:45 pm

2 stops37h 57m

$1,079

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 9/30

9:30 am-9:01 pm

1 stop25h 31m

Washington, D.C. Dulles Intl

Sun 10/5

6:30 am-7:55 am

1 stop34h 25m

$1,099

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

Tue 3/3

11:40 am-4:29 pm

1 stop19h 49m

Washington, D.C. Dulles Intl

Sat 3/7

10:05 pm-6:30 am

1 stop41h 25m

$1,111

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

Tue 10/7

11:55 am-9:10 pm

1 stop24h 15m

Washington, D.C. Dulles Intl

Tue 10/28

3:25 pm-9:00 am

1 stop26h 35m

$1,112

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

Tue 10/21

10:30 am-12:45 am

1 stop28h 15m

Washington, D.C. Dulles Intl

Sun 10/26

3:25 pm-6:30 am

1 stop25h 05m

$1,116

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 10/30

11:05 am-4:26 pm

1 stop20h 21m

Washington, D.C. Dulles Intl

Fri 11/14

10:08 pm-9:05 am

1 stop42h 57m

$1,120

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 10/21

9:40 pm-4:42 pm

2 stops34h 02m

Washington, D.C. Dulles Intl

Sun 11/2

7:43 am-7:45 pm

2 stops44h 02m

$1,150

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
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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, August is the cheapest month in which you can book a flight from Australia to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Australia to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 AU to IAD?

Find hourly flight availability from Australia to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Australia to Washington, D.C. Dulles Intl Airport as you normally would.

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 September 17, 2025.
See what other customers who have flown with United Airlines and Air Canada 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
8,926 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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 20h 19m. Air Canada provides one of the quickest options available for as low as $1,070. Airlines will cover a distance of 9737 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 Perth - 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, August is the cheapest month in which you can book a flight from Australia to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Australia to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

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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.
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Auckland to Baltimore flights
Brisbane to Reagan-National flights
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Tamuning to Reagan-National flights
Tamuning to Baltimore flights
Tamuning to Dulles Intl flights
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Top 2 airlines flying from Australia to Dulles Intl

Discover the top 2 airlines 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$885Average$1,482FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$889Average$1,021FlexibilityNo cancel feeOn-time67%

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