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Dulles Intl

$505+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,184
(Air China)

One-way from

$505
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,424
Provider with most accurate pricing for Sydney Kingsford Smith-Washington, D.C. (WAS) flight deals.
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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
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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. 9% potential increase in price ($135 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This Air China deal was found by Cheapflights users on 4/28. 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 China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/188:00 pmMEL - IAD
2 stops48h 39mMultiple Airlines
Wed 7/210:16 pmIAD - MEL
2 stops74h 19mMultiple Airlines
Deal found 4/28$1,184
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/99:10 amSYD - IAD
2 stops37h 28mAmerican Airlines
Mon 6/301:08 pmIAD - SYD
2 stops27h 57mAmerican Airlines
Deal found 4/29$1,259
This Air Canada deal was found by Cheapflights users on 4/28. 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.
Mon 10/1310:20 amSYD - IAD
3 stops39h 56mAir Canada
Wed 10/299:55 amIAD - SYD
2 stops31h 40mAir Canada
Deal found 4/28$1,266
This Aunt Betty deal was found by Cheapflights users on 4/28. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/710:15 pmBNE - IAD
2 stops35h 04mMultiple Airlines
Sat 7/128:19 pmIAD - BNE
2 stops33h 41mMultiple Airlines
Deal found 4/28$1,268
This Gotogate deal was found by Cheapflights users on 4/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2011:50 amSYD - IAD
1 stop36h 15mANA
Tue 3/3112:15 pmIAD - SYD
1 stop41h 00mANA
Deal found 4/29$1,298
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/105:45 pmSYD - IAD
1 stop36h 29mMultiple Airlines
Wed 7/25:25 pmIAD - SYD
2 stops55h 15mMultiple Airlines
Deal found 4/28$1,316
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/128:30 pmPER - IAD
2 stops51h 15mMultiple Airlines
Thu 6/199:40 pmIAD - PER
2 stops42h 50mMultiple Airlines
Deal found 4/28$1,326
This Air Canada deal was found by Cheapflights users on 4/28. 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.
Tue 8/1210:20 amBNE - IAD
2 stops37h 17mAir Canada
Tue 8/269:45 amIAD - BNE
2 stops31h 20mAir Canada
Deal found 4/28$1,350
This Aunt Betty deal was found by Cheapflights users on 4/28. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1011:50 amSYD - IAD
2 stops26h 55mAir New Zealand
Mon 6/3012:35 pmIAD - SYD
2 stops30h 10mAir New Zealand
Deal found 4/28$1,350
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/137:55 amSYD - IAD
1 stop41h 20mKorean Air
Thu 8/281:30 pmIAD - SYD
1 stop26h 50mKorean Air
Deal found 4/29$1,355
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/179:40 pmSYD - IAD
2 stops33h 33mAlaska Airlines
Tue 6/248:19 pmIAD - SYD
2 stops33h 26mAlaska Airlines
Deal found 4/27$1,375
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 6/2510:55 amMEL - IAD
1 stop32h 13mUnited Airlines
Wed 7/98:30 amIAD - MEL
1 stop33h 00mUnited Airlines
Deal found 4/28$1,424

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 29, 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

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

Wed 6/18

8:00 pm-6:39 am

2 stops48h 39m

Washington, D.C. Dulles Intl

Wed 7/2

10:16 pm-2:35 pm

2 stops74h 19m

$1,184

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 6/9

9:10 am-8:38 am

2 stops37h 28m

Washington, D.C. Dulles Intl

Mon 6/30

1:08 pm-7:05 am

2 stops27h 57m

$1,259

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

Mon 7/7

10:15 pm-7:19 pm

2 stops35h 04m

Washington, D.C. Dulles Intl

Sat 7/12

8:19 pm-8:00 pm

2 stops33h 41m

$1,268

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 5/20

11:50 am-10:05 am

1 stop36h 15m

Washington, D.C. Dulles Intl

Tue 3/31

12:15 pm-8:15 pm

1 stop41h 00m

$1,298

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sat 10/11

9:30 pm-4:10 pm

1 stop33h 40m

Washington, D.C. Dulles Intl

Sat 11/1

5:31 pm-7:50 pm

2 stops35h 19m

$1,304

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Thu 6/12

8:30 pm-11:45 am

2 stops51h 15m

Washington, D.C. Dulles Intl

Thu 6/19

9:40 pm-4:30 am

2 stops42h 50m

$1,326

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

Tue 8/12

10:20 am-9:37 am

2 stops37h 17m

Washington, D.C. Dulles Intl

Tue 8/26

9:45 am-7:05 am

2 stops31h 20m

$1,350

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 6/10

11:50 am-12:45 am

2 stops26h 55m

Washington, D.C. Dulles Intl

Mon 6/30

12:35 pm-8:45 am

2 stops30h 10m

$1,350

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 5/13

7:55 am-11:15 am

1 stop41h 20m

Washington, D.C. Dulles Intl

Thu 8/28

1:30 pm-6:20 am

1 stop26h 50m

$1,355

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 9/26

9:20 am-9:05 pm

2 stops25h 45m

Washington, D.C. Dulles Intl

Sat 10/18

9:45 am-8:20 am

2 stops31h 35m

$1,367

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 $309). Flying from Australia to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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 April 29, 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.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 29, 2025.
See what other customers who have flown with Air Tahiti Nui, Korean Air and Japan Airlines from Australia to Washington, D.C. have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.8
Very good
62 reviews

Crew

9.1

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Food

7.8

Overall

8.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.8
Very good
62 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Crew

9.1

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Food

7.8

Overall

8.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Korean Air
8.4
Very good
1,066 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Crew

9.1

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Food

7.8

Overall

8.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Japan Airlines
8.3
Very good
1,459 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Crew

9.1

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Food

7.8

Overall

8.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
ANA
8.3
Very good
855 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Crew

9.1

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Food

7.8

Overall

8.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Fiji Airways
8.1
Very good
190 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Crew

9.1

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Food

7.8

Overall

8.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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.

  • What are the cheapest airlines to fly from Australia to Washington, D.C. Dulles Intl Airport one-way?

    $646 is the cheapest one-way deal found within the past few days, from Etihad Airways. You may also be able to find cheap deals on American Airlines and Alaska Airlines, with prices starting from $740 and $805, respectively.

  • 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 Brisbane - 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, August is the cheapest month in which you can book a flight from Australia to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Australia to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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 Australia?

Book flights to Australia if you plan to visit one of these locations
Alexandria
Arlington
Woodbridge
Tysons
Fairfax
Springfield
Rockville
Fredericksburg
Silver Spring
Gaithersburg
Linthicum Heights
Falls Church
Laurel
Easton
Towson
Herndon
Sterling
Bowie
National Harbor
Oxon Hill

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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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Top 3 airlines flying from Australia to Dulles Intl

Discover the top 3 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$889Average$1,021FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,123Average$1,698FlexibilityNo cancel feeOn-time69%
Virgin AustraliaCheapest$1,146Average$1,911FlexibilityNo cancel feeOn-time80%

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