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Cheap flights from Washington, D.C. Dulles Intl Airport to Australia from $522

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 3/17. 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 round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
9:45 am - 7:05 am
IAD
-
BNE
31h 20m
2 stops
Air Canada Logo
10:00 am - 8:29 pm
BNE
-
IAD
24h 29m
2 stops
$1,007Air Canada
Wed, May 27 - Wed, Jun 10
Air Canada Logo
9:55 am - 7:05 am
IAD
-
BNE
31h 10m
2 stops
Air Canada Logo
10:00 am - 8:29 pm
BNE
-
IAD
24h 29m
2 stops
$1,008Air Canada
Sun, Apr 19 - Sun, Apr 26
Air New Zealand Logo
12:40 pm - 7:05 am
IAD
-
BNE
28h 25m
2 stops
Air New Zealand Logo
10:00 am - 8:29 pm
BNE
-
IAD
24h 29m
2 stops
$1,037Air New Zealand
Tue, Apr 28 - Sun, May 10
Multiple Airlines Logo
9:55 am - 7:05 am
IAD
-
BNE
31h 10m
2 stops
Multiple Airlines Logo
8:40 pm - 9:25 pm
BNE
-
IAD
38h 45m
3 stops
$1,038Multiple Airlines
Wed, Apr 29 - Sat, May 9
Multiple Airlines Logo
4:10 pm - 10:55 am
IAD
-
BNE
28h 45m
3 stops
Multiple Airlines Logo
10:00 am - 9:25 pm
BNE
-
IAD
25h 25m
2 stops
$1,046Multiple Airlines
Wed, May 27 - Wed, Jun 10
Air New Zealand Logo
9:55 am - 7:20 am
IAD
-
SYD
31h 25m
2 stops
Air New Zealand Logo
9:20 am - 9:25 pm
SYD
-
IAD
26h 05m
1 stop
$1,164Air New Zealand
Tue, Apr 28 - Sun, May 10
Qantas Airways Logo
5:37 pm - 10:55 am
IAD
-
ADL
26h 48m
2 stops
Qantas Airways Logo
9:00 am - 10:53 pm
ADL
-
IAD
28h 23m
2 stops
$1,249Qantas Airways
Tue, Mar 17 - Tue, Mar 24
Qantas Airways Logo
5:37 pm - 11:50 pm
IAD
-
MEL
38h 13m
2 stops
Qantas Airways Logo
1:35 pm - 10:41 pm
MEL
-
IAD
23h 06m
1 stop
$1,264Qantas Airways
Tue, Feb 17 - Mon, Jun 29
United Airlines Logo
6:00 pm - 8:30 am
IAD
-
MEL
23h 30m
1 stop
United Airlines Logo
10:30 am - 4:29 pm
MEL
-
IAD
20h 59m
1 stop
$1,356United Airlines
Wed, Mar 18 - Wed, Mar 25
United Airlines Logo
5:55 pm - 12:25 pm
IAD
-
OOL
28h 30m
2 stops
United Airlines Logo
6:00 am - 4:24 pm
OOL
-
IAD
24h 24m
2 stops
$1,660United Airlines
Tue, Apr 28 - Sun, May 10

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
Mar 17
IAD5:37 pmWashington, D.C. Dulles Intl
26h 48m
2 stops
ADL10:55 amAdelaide
Mar 24
ADL9:00 amAdelaide
28h 23m
2 stops
IAD10:53 pmWashington, D.C. Dulles Intl
$1,249
Qantas Airways
Feb 17
IAD5:37 pmWashington, D.C. Dulles Intl
36h 18m
2 stops
SYD9:55 pmSydney Kingsford Smith
May 26
SYD12:00 pmSydney Kingsford Smith
20h 31m
1 stop
IAD6:31 pmWashington, D.C. Dulles Intl
$1,258
Qantas Airways
Feb 17
IAD5:37 pmWashington, D.C. Dulles Intl
38h 13m
2 stops
MEL11:50 pmMelbourne
Jun 29
MEL1:35 pmMelbourne
23h 06m
1 stop
IAD10:41 pmWashington, D.C. Dulles Intl
$1,264

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

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Australia flight tickets
Air Canada
May 27
IAD9:45 amWashington, D.C. Dulles Intl
31h 20m
2 stops
BNE7:05 amBrisbane
Jun 10
BNE10:00 amBrisbane
24h 29m
2 stops
IAD8:29 pmWashington, D.C. Dulles Intl
$1,007
Air Canada
Apr 19
IAD9:55 amWashington, D.C. Dulles Intl
31h 10m
2 stops
BNE7:05 amBrisbane
Apr 26
BNE10:00 amBrisbane
24h 29m
2 stops
IAD8:29 pmWashington, D.C. Dulles Intl
$1,008
Air Canada
May 19
IAD9:45 amWashington, D.C. Dulles Intl
31h 20m
2 stops
BNE7:05 amBrisbane
May 24
BNE10:00 amBrisbane
34h 22m
1 stop
IAD6:22 amWashington, D.C. Dulles Intl
$1,010

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated February 2, 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

Wed 5/27

9:45 am-7:05 am

2 stops31h 20m

Brisbane

Wed 6/10

10:00 am-8:29 pm

2 stops24h 29m

$1,007

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sun 4/19

9:55 am-7:05 am

2 stops31h 10m

Brisbane

Sun 4/26

10:00 am-8:29 pm

2 stops24h 29m

$1,008

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Tue 4/28

12:40 pm-7:05 am

2 stops28h 25m

Brisbane

Sun 5/10

10:00 am-8:29 pm

2 stops24h 29m

$1,037

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Wed 4/29

9:55 am-7:05 am

2 stops31h 10m

Brisbane

Sat 5/9

8:40 pm-9:25 pm

3 stops38h 45m

$1,038

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Wed 5/27

4:10 pm-10:55 am

3 stops28h 45m

Brisbane

Wed 6/10

10:00 am-9:25 pm

2 stops25h 25m

$1,046

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 4/28

9:55 am-7:20 am

2 stops31h 25m

Sydney Kingsford Smith

Sun 5/10

9:20 am-9:25 pm

1 stop26h 05m

$1,164

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 3/17

5:37 pm-10:55 am

2 stops26h 48m

Adelaide

Tue 3/24

9:00 am-10:53 pm

2 stops28h 23m

$1,249

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Tue 2/17

5:37 pm-11:50 pm

2 stops38h 13m

Melbourne

Mon 6/29

1:35 pm-10:41 pm

1 stop23h 06m

$1,264

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Wed 3/18

6:00 pm-8:30 am

1 stop23h 30m

Melbourne

Wed 3/25

10:30 am-4:29 pm

1 stop20h 59m

$1,356

Washington, D.C.Coolangatta

IAD - OOL

IADOOL

Washington, D.C. Dulles Intl

Tue 4/28

5:55 pm-12:25 pm

2 stops28h 30m

Coolangatta Gold Coast

Sun 5/10

6:00 am-4:24 pm

2 stops24h 24m

$1,660

Flights are sorted by cheapest round-trip 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?

The month of May is, on average, the cheapest month to fly to Australia from Washington, D.C. Dulles Intl Airport, with most prices found around $975. If you aren’t able to travel during the month of May, then book flights to Australia from Washington, D.C. Dulles Intl Airport during April instead. Flights to Australia in April, while not as cheap as those in May, still average around $988.

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 $1,357 when searching weeks out. 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 $655 on momondo.

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

You could potentially save up to 37% 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 30m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Australia takes 23h 30m
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.
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  • 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Australia.

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

    The travel and health documents required for your trip to Australia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Australia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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 $377Free CancellationRating
7.4
9,231 reviews
Search United Airlines flights
DeltaPriceFrom $609Free CancellationRating
7.9
8,135 reviews
Search Delta flights
Qantas AirwaysPriceFrom $803Free CancellationRating
7.5
984 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $821Free CancellationRating
7.2
11,212 reviews
Search American Airlines flights
Air CanadaPriceFrom $839Free CancellationRating
7.1
10,676 reviews
Search Air Canada flights
Qatar AirwaysPriceFrom $1,195Free CancellationRating
7.4
3,729 reviews
Search Qatar Airways flights
Air New ZealandPriceFrom $1,257Free CancellationRating
8.0
578 reviews
Search Air New Zealand 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. momondo enables you to select and highlight flights to Australia from Washington, D.C. with this policy.

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

Once you have performed a search for Washington, D.C. to Australia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Washington, D.C. to Australia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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