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Cheap flights from Washington, D.C. Dulles Intl Airport to Australia from $758

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Australia departing on 23/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Australia

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
08:15 - 07:05
IAD
-
BNE
32h 50m
2 stops
Air Canada Logo
10:00 - 07:50
BNE
-
IAD
35h 50m
2 stops
$1,487Air Canada
Mon, 11 May - Mon, 18 May
Air Canada Logo
09:45 - 08:45
IAD
-
BNE
32h 00m
2 stops
Air Canada Logo
09:45 - 20:26
BNE
-
IAD
24h 41m
2 stops
$1,488Air Canada
Wed, 4 Mar - Wed, 11 Mar
Multiple Airlines Logo
16:10 - 10:55
IAD
-
BNE
28h 45m
3 stops
Multiple Airlines Logo
10:00 - 20:37
BNE
-
IAD
24h 37m
2 stops
$1,549Multiple Airlines
Mon, 11 May - Mon, 18 May
Multiple Airlines Logo
14:37 - 07:20
IAD
-
SYD
26h 43m
2 stops
Multiple Airlines Logo
09:20 - 11:17
SYD
-
IAD
39h 57m
3 stops
$1,699Multiple Airlines
Tue, 12 May - Tue, 19 May
United Airlines Logo
18:05 - 09:30
IAD
-
ADL
23h 55m
1 stop
United Airlines Logo
13:55 - 05:36
ADL
-
IAD
30h 11m
1 stop
$1,805United Airlines
Mon, 16 Feb - Wed, 18 Mar
United Airlines Logo
22:25 - 09:30
IAD
-
ADL
43h 35m
2 stops
United Airlines Logo
13:55 - 23:20
ADL
-
IAD
23h 55m
2 stops
$1,811United Airlines
Sun, 15 Feb - Mon, 16 Mar
Air New Zealand Logo
18:15 - 09:30
IAD
-
ADL
23h 45m
1 stop
Air New Zealand Logo
13:55 - 06:56
ADL
-
IAD
31h 31m
1 stop
$1,823Air New Zealand
Mon, 9 Feb - Mon, 9 Mar
Qantas Airways Logo
17:26 - 12:25
IAD
-
MEL
26h 59m
2 stops
Qantas Airways Logo
16:05 - 22:53
MEL
-
IAD
22h 48m
1 stop
$1,953Qantas Airways
Sat, 7 Feb - Wed, 18 Feb
Qantas Airways Logo
17:26 - 05:00
IAD
-
MEL
43h 34m
1 stop
Qantas Airways Logo
06:00 - 16:31
MEL
-
IAD
26h 31m
2 stops
$1,959Qantas Airways
Fri, 6 Feb - Tue, 17 Feb
Air New Zealand Logo
17:10 - 10:45
IAD
-
OOL
27h 35m
2 stops
Air New Zealand Logo
11:55 - 22:36
OOL
-
IAD
24h 41m
2 stops
$2,460Air New Zealand
Mon, 1 Jun - Sat, 13 Jun

Air New Zealand flights from Washington, D.C. Dulles Intl Airport to Australia

Our best Air New Zealand deals on Washington, D.C. Dulles Intl Airport to Australia flight tickets
Air New Zealand
23 Apr
IAD08:15Washington, D.C. Dulles Intl
33h 05m
2 stops
SYD07:20Sydney Kingsford Smith
28 Apr
SYD09:20Sydney Kingsford Smith
25h 09m
1 stop
IAD20:29Washington, D.C. Dulles Intl
$1,719
Air New Zealand
9 Feb
IAD18:15Washington, D.C. Dulles Intl
23h 45m
1 stop
ADL09:30Adelaide
9 Mar
ADL13:55Adelaide
31h 31m
1 stop
IAD06:56Washington, D.C. Dulles Intl
$1,823
Air New Zealand
30 June
IAD22:10Washington, D.C. Dulles Intl
42h 20m
1 stop
BNE06:30Brisbane
11 Aug
BNE10:30Brisbane
19h 55m
1 stop
IAD16:25Washington, D.C. Dulles Intl
$1,840

Qantas Airways flights from Washington, D.C. Dulles Intl Airport to Australia

Our best Qantas Airways deals on Washington, D.C. Dulles Intl Airport to Australia flight tickets
Qantas Airways
1 Feb
IAD17:26Washington, D.C. Dulles Intl
22h 04m
1 stop
BNE06:30Brisbane
15 Feb
BNE09:40Brisbane
23h 38m
2 stops
IAD18:18Washington, D.C. Dulles Intl
$1,861
Qantas Airways
24 Feb
IAD17:37Washington, D.C. Dulles Intl
31h 13m
2 stops
SYD16:50Sydney Kingsford Smith
24 Mar
SYD13:05Sydney Kingsford Smith
24h 48m
1 stop
IAD22:53Washington, D.C. Dulles Intl
$1,876
Qantas Airways
24 Feb
IAD17:37Washington, D.C. Dulles Intl
31h 13m
2 stops
SYD16:50Sydney Kingsford Smith
24 Mar
SYD13:05Sydney Kingsford Smith
24h 48m
1 stop
IAD22:53Washington, D.C. Dulles Intl
$1,878

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. Dulles Intl Airport to Australia 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, momondo users made 78,305 searches. Data last updated 21 January 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Mon 11/5

08:15-07:05

2 stops32h 50m

Brisbane

Mon 18/5

10:00-07:50

2 stops35h 50m

$1,487

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Wed 4/3

09:45-08:45

2 stops32h 00m

Brisbane

Wed 11/3

09:45-20:26

2 stops24h 41m

$1,488

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Mon 11/5

16:10-10:55

3 stops28h 45m

Brisbane

Mon 18/5

10:00-20:37

2 stops24h 37m

$1,549

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 12/5

14:37-07:20

2 stops26h 43m

Sydney Kingsford Smith

Tue 19/5

09:20-11:17

3 stops39h 57m

$1,699

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Mon 16/2

18:05-09:30

1 stop23h 55m

Adelaide

Wed 18/3

13:55-05:36

1 stop30h 11m

$1,805

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sun 15/2

22:25-09:30

2 stops43h 35m

Adelaide

Mon 16/3

13:55-23:20

2 stops23h 55m

$1,811

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Mon 9/2

18:15-09:30

1 stop23h 45m

Adelaide

Mon 9/3

13:55-06:56

1 stop31h 31m

$1,823

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Sat 7/2

17:26-12:25

2 stops26h 59m

Melbourne

Wed 18/2

16:05-22:53

1 stop22h 48m

$1,953

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Fri 6/2

17:26-05:00

1 stop43h 34m

Melbourne

Tue 17/2

06:00-16:31

2 stops26h 31m

$1,959

Washington, D.C.Coolangatta

IAD - OOL

IADOOL

Washington, D.C. Dulles Intl

Mon 1/6

17:10-10:45

2 stops27h 35m

Coolangatta Gold Coast

Sat 13/6

11:55-22:36

2 stops24h 41m

$2,460

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Australia from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Australia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Australia?

In general, May is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,448. If you don’t want to visit Australia in May, then you should wait until April to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $1,466.

How far in advance should I book a flight to Australia?

You are more likely to see cheaper flights to Australia from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $2,009 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Washington, D.C. Dulles Intl Airport for as low as $973 on momondo.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Australia flights?

You could potentially save up to 22% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Australia flight.

Cheap Washington, D.C. Dulles Intl Airport to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Australia

Fastest flight time

23h 45m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Australia takes 23h 45m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Australia. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Australia.
Search flight deals

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Australia?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Australia refresh daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Australia?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Australia?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Australia.

  • What documentation or ID do you need to fly to Australia?

    The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Australia

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Australia with momondo
Airline
Rating
Free cancellation
Price
United AirlinesPriceFrom $2,293Free cancellationRating
7.4
9,188 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Australia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Australia from Washington, D.C..

Can I find flights from Washington, D.C. to Australia with flexible booking policies on momondo?

Yes. All flights to Australia from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Australia?

momondo helps you find the best flight between Washington, D.C. and Australia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Australia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Australia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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