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Dulles Intl

$620+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
jun 17 — jun 241
ter 6/17
ter 6/24
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 junho 12, 2025.

Round-trip from

$1,068
(Air China)

One-way from

$620
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,367
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. 10% potential increase in price ($148 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junho 12, 2025.

This Air China deal was found by Cheapflights users on 6/10. 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.
dom 8/108:00 pmMEL - IAD
2 stops48h 53mMultiple Airlines
qua 10/2210:14 pmIAD - MEL
2 stops74h 31mMultiple Airlines
Deal found 6/10$1,068
This Air China deal was found by Cheapflights users on 6/12. 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.
dom 7/277:40 pmSYD - IAD
2 stops49h 13mMultiple Airlines
dom 8/310:16 pmIAD - SYD
2 stops74h 34mMultiple Airlines
Deal found 6/12$1,134
This Booking.com deal was found by Cheapflights users on 6/10. 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.
qui 11/2010:45 amBNE - IAD
2 stops25h 37mAir Canada
ter 12/169:55 amIAD - BNE
2 stops31h 45mAir Canada
Deal found 6/10$1,137
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 7/149:25 amSYD - IAD
2 stops22h 59mDelta
dom 7/271:00 pmIAD - SYD
2 stops27h 35mDelta
Deal found 6/12$1,158
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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.
qui 8/219:40 pmSYD - IAD
2 stops33h 07mAlaska Airlines
sex 8/295:52 pmIAD - SYD
2 stops35h 53mAlaska Airlines
Deal found 6/9$1,185
This BYOjet deal was found by Cheapflights users on 6/10. 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.
seg 7/218:35 amMEL - IAD
2 stops30h 10mAir New Zealand
qua 8/205:55 pmIAD - MEL
2 stops26h 55mAir New Zealand
Deal found 6/10$1,192
This BYOjet deal was found by Cheapflights users on 6/12. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 8/138:45 amSYD - IAD
2 stops27h 33mAir New Zealand
ter 8/265:55 pmIAD - SYD
2 stops24h 50mAir New Zealand
Deal found 6/12$1,288
This American Airlines deal was found by Cheapflights users on 6/10. 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.
ter 7/229:45 amMEL - IAD
2 stops23h 51mAmerican Airlines
qui 8/218:19 pmIAD - MEL
2 stops42h 41mAmerican Airlines
Deal found 6/10$1,293
This American Airlines deal was found by Cheapflights users on 6/11. 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.
sex 8/159:10 amSYD - IAD
2 stops23h 50mAmerican Airlines
seg 8/2511:51 amIAD - SYD
1 stop29h 04mAmerican Airlines
Deal found 6/11$1,300
This SmartFares deal was found by Cheapflights users on 6/11. 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.
sáb 7/2610:15 pmBNE - IAD
2 stops46h 35mMultiple Airlines
sáb 8/28:19 pmIAD - BNE
2 stops33h 41mMultiple Airlines
Deal found 6/11$1,313
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 9/108:55 pmSYD - IAD
1 stop27h 10mANA
dom 9/1412:15 pmIAD - SYD
1 stop31h 10mANA
Deal found 6/11$1,328
This Booking.com deal was found by Cheapflights users on 6/9. 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.
sáb 10/1110:20 amSYD - IAD
2 stops38h 18mAir Canada
qua 12/174:35 pmIAD - SYD
2 stops46h 20mAir Canada
Deal found 6/9$1,343

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 junho 12, 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

dom 8/10

8:00 pm-6:53 am

2 stops48h 53m

Washington, D.C. Dulles Intl

qua 10/22

10:14 pm-3:45 pm

2 stops74h 31m

$1,068

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

dom 7/27

7:40 pm-6:53 am

2 stops49h 13m

Washington, D.C. Dulles Intl

dom 8/3

10:16 pm-2:50 pm

2 stops74h 34m

$1,134

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

qui 11/20

10:45 am-9:22 pm

2 stops25h 37m

Washington, D.C. Dulles Intl

ter 12/16

9:55 am-8:40 am

2 stops31h 45m

$1,137

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

seg 7/14

9:25 am-6:24 pm

2 stops22h 59m

Washington, D.C. Dulles Intl

dom 7/27

1:00 pm-6:35 am

2 stops27h 35m

$1,158

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

qui 8/21

9:40 pm-4:47 pm

2 stops33h 07m

Washington, D.C. Dulles Intl

sex 8/29

5:52 pm-7:45 pm

2 stops35h 53m

$1,185

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

seg 7/21

8:35 am-12:45 am

2 stops30h 10m

Washington, D.C. Dulles Intl

qua 8/20

5:55 pm-10:50 am

2 stops26h 55m

$1,192

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

qua 8/13

8:45 am-10:18 pm

2 stops27h 33m

Washington, D.C. Dulles Intl

ter 8/26

5:55 pm-8:45 am

2 stops24h 50m

$1,288

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

ter 7/22

9:45 am-7:36 pm

2 stops23h 51m

Washington, D.C. Dulles Intl

qui 8/21

8:19 pm-5:00 am

2 stops42h 41m

$1,293

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

sex 8/15

9:10 am-7:00 pm

2 stops23h 50m

Washington, D.C. Dulles Intl

seg 8/25

11:51 am-6:55 am

1 stop29h 04m

$1,300

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

sáb 7/26

10:15 pm-6:50 am

2 stops46h 35m

Washington, D.C. Dulles Intl

sáb 8/2

8:19 pm-8:00 pm

2 stops33h 41m

$1,313

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 July is currently the most expensive (average of $349). 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 junho 12, 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 junho 12, 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
8.7
Very good
64 reviews

Entertainment

7.3

Overall

8.7

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

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
8.7
Very good
64 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Entertainment

7.3

Overall

8.7

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

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
1,088 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Entertainment

7.3

Overall

8.7

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

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
1,490 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Entertainment

7.3

Overall

8.7

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

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
882 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Entertainment

7.3

Overall

8.7

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

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
194 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Entertainment

7.3

Overall

8.7

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

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?

    $670 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 Air China and American Airlines, with prices starting from $677 and $805, respectively.

  • 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, 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 July is currently the most expensive (average of $349). 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
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Sterling
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas

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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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I Fadang to Dulles Intl flights

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 junho 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$889Average$1,021FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,123Average$1,672FlexibilityNo cancel feeOn-time69%
Virgin AustraliaCheapest$1,709Average$1,911FlexibilityNo cancel feeOn-time80%

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