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Cheap flights from Australia to Washington, D.C. Dulles Intl Airport from $789

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
6 May — 13 May1
1 adult

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 1 May 2025.

Round-trip from

$1,882

One-way from

$839

Popular in

December

Cheapest in

February

Average price

$2,134
15/8-31/8
  • 15/8-31/8
  • 4 total stops
  • 114h 26m total
  • Australia to Washington, D.C.
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5/6
  • 5/6
  • 2 total stops
  • 37h 54m total
  • Australia to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($329 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($88 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 1 May 2025.

Tue 4/1109:45BNE - IAD
1 stop21h 27mQantas Airways
Tue 2/1211:30IAD - BNE
1 stop28h 00mQantas Airways
Deal found 30/4$1,269
Wed 5/1106:45BNE - IAD
2 stops30h 33mAmerican Airlines
Sun 30/1111:30IAD - BNE
1 stop28h 00mAmerican Airlines
Deal found 30/4$1,341
Tue 4/1120:40SYD - IAD
2 stops40h 24mMultiple Airlines
Tue 2/1222:00IAD - SYD
1 stop49h 30mMultiple Airlines
Deal found 30/4$1,732
Tue 4/1110:45BNE - IAD
2 stops39h 31mAir Canada
Tue 2/1209:15IAD - BNE
2 stops32h 25mAir Canada
Deal found 30/4$1,757
Mon 9/609:10SYD - IAD
2 stops37h 28mAmerican Airlines
Mon 30/613:08IAD - SYD
2 stops27h 57mAmerican Airlines
Deal found 29/4$1,968
Tue 20/511:50SYD - IAD
1 stop36h 15mANA
Tue 31/312:15IAD - SYD
1 stop41h 00mANA
Deal found 29/4$2,029
Tue 4/1111:20SYD - IAD
2 stops25h 40mAir Canada
Tue 2/1209:15IAD - SYD
2 stops32h 20mAir Canada
Deal found 30/4$2,062
Wed 16/709:55SYD - IAD
2 stops26h 23mAir New Zealand
Mon 28/717:53IAD - SYD
2 stops24h 52mAir New Zealand
Deal found 29/4$2,093
Sun 10/820:00MEL - IAD
2 stops48h 53mMultiple Airlines
Wed 22/1008:25IAD - MEL
2 stops40h 10mMultiple Airlines
Deal found 30/4$2,104
Mon 9/623:15PER - IAD
2 stops48h 30mMultiple Airlines
Mon 23/621:40IAD - PER
2 stops30h 35mMultiple Airlines
Deal found 29/4$2,112
Tue 13/507:55SYD - IAD
1 stop41h 20mKorean Air
Thu 28/813:30IAD - SYD
1 stop26h 50mKorean Air
Deal found 29/4$2,118
Sun 5/1021:55SYD - IAD
2 stops36h 50mTurkish Airlines
Sun 26/1014:10IAD - SYD
2 stops38h 35mTurkish Airlines
Deal found 29/4$2,198

Cheapflights Fare Finder

Customise 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 647,157 searches. Data last updated 1 May 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

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 15/8

19:40-21:21

2 stops39h 41m

Washington, D.C. Dulles Intl

Sun 31/8

22:05-14:50

2 stops74h 45m

$1,882

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 9/6

09:10-08:38

2 stops37h 28m

Washington, D.C. Dulles Intl

Mon 30/6

13:08-07:05

2 stops27h 57m

$1,968

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 20/5

11:50-10:05

1 stop36h 15m

Washington, D.C. Dulles Intl

Tue 31/3

12:15-20:15

1 stop41h 00m

$2,029

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 16/7

09:55-22:18

2 stops26h 23m

Washington, D.C. Dulles Intl

Mon 28/7

17:53-08:45

2 stops24h 52m

$2,093

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

Sun 10/8

20:00-06:53

2 stops48h 53m

Washington, D.C. Dulles Intl

Wed 22/10

08:25-15:35

2 stops40h 10m

$2,104

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 9/6

23:15-11:45

2 stops48h 30m

Washington, D.C. Dulles Intl

Mon 23/6

21:40-16:15

2 stops30h 35m

$2,112

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 13/5

07:55-11:15

1 stop41h 20m

Washington, D.C. Dulles Intl

Thu 28/8

13:30-06:20

1 stop26h 50m

$2,118

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 6/10

10:20-21:00

2 stops25h 40m

Washington, D.C. Dulles Intl

Tue 21/10

08:18-08:20

2 stops33h 02m

$2,143

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 5/10

21:55-19:45

2 stops36h 50m

Washington, D.C. Dulles Intl

Sun 26/10

14:10-19:45

2 stops38h 35m

$2,198

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

Tue 10/6

10:20-16:15

2 stops43h 55m

Washington, D.C. Dulles Intl

Mon 16/6

08:18-07:05

2 stops32h 47m

$2,198

Flights are sorted by cheapest return flights first.

Deals found on 29/4

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 return 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, February is the cheapest month in which you can book a flight from Australia to Washington, D.C. Dulles Intl Airport (average of $1,013). Flying from Australia to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $1,608). 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 1 May 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 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 1 May 2025.
Get a feel of what it's like to fly with Air Tahiti Nui, Korean Air and Japan Airlines from Australia to Washington, D.C. by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Food

7.8

Overall

8.8

Boarding

8.7

Crew

9.1

Comfort

8.1

Entertainment

7.3

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
Check prices

Food

7.8

Overall

8.8

Boarding

8.7

Crew

9.1

Comfort

8.1

Entertainment

7.3

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
1,069 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Food

7.8

Overall

8.8

Boarding

8.7

Crew

9.1

Comfort

8.1

Entertainment

7.3

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
1,464 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Food

7.8

Overall

8.8

Boarding

8.7

Crew

9.1

Comfort

8.1

Entertainment

7.3

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
852 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Food

7.8

Overall

8.8

Boarding

8.7

Crew

9.1

Comfort

8.1

Entertainment

7.3

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.
Singapore Airlines
8.1
Very Good
1,292 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Food

7.8

Overall

8.8

Boarding

8.7

Crew

9.1

Comfort

8.1

Entertainment

7.3

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?

    One-way options have recently been found by users for as low as $1,010 on Etihad Airways. Other airlines that offer cheap prices include American Airlines from $1,158 and Air China from $1,232 one-way.

  • 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 holiday 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, February is the cheapest month in which you can book a flight from Australia to Washington, D.C. Dulles Intl Airport (average of $1,013). Flying from Australia to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $1,608). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Australia to Dulles Intl

Discover the top 10 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 647,157 searches. Data last updated 1 May 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$641Average$1,879FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Fiji AirwaysCheapest$878Average$997FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
Qantas AirwaysCheapest$1,077Average$1,900FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,122Average$2,145FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Air CanadaCheapest$1,325Average$2,226FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,608Average$2,264FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,931Average$2,761FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
ANACheapest$1,962Average$2,160FlexibilityNo cancel feeOn-time80%
Search ANA flights
Singapore AirlinesCheapest$2,144Average$2,612FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qatar AirwaysCheapest$2,345Average$2,824FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

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How does Cheapflights help users find flights from Australia to Dulles Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Australia to Dulles Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Australia to Dulles Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Australia to Dulles Intl.

Can Cheapflights find flights from Australia to Dulles Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Australia to Dulles Intl flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Australia to Dulles Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dulles Intl from Australia today and book when prices fit your budget.

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