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Cheap flights from Washington, D.C. Dulles Intl Airport to Australia from $533

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 9/30. 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

Air Canada Logo
9:35 am - 8:20 amIAD-SYD
31h 45m2 stops
Air Canada Logo
10:20 am - 8:59 pmSYD-IAD
25h 39m2 stops
$835Air Canada
Find Deal
Tue, Oct 21 - Sun, Oct 26
Air Canada Logo
1:00 pm - 8:20 amIAD-SYD
28h 20m3 stops
Air Canada Logo
10:20 am - 8:59 pmSYD-IAD
25h 39m2 stops
$841Air Canada
Find Deal
Tue, Oct 21 - Sun, Oct 26
Air New Zealand Logo
8:30 am - 7:45 amIAD-SYD
33h 15m2 stops
Air New Zealand Logo
11:50 am - 10:06 pmSYD-IAD
25h 16m2 stops
$1,237Air New Zealand
Find Deal
Sun, Sep 28 - Tue, Oct 21
Air New Zealand Logo
7:22 pm - 8:45 amIAD-SYD
46h 23m2 stops
Air New Zealand Logo
1:55 pm - 1:56 amSYD-IAD
27h 01m2 stops
$1,251Air New Zealand
Find Deal
Mon, Oct 20 - Sun, Nov 2
Qantas Airways Logo
5:03 pm - 6:30 amIAD-BNE
22h 27m1 stop
Qantas Airways Logo
9:40 am - 10:14 pmBNE-IAD
27h 34m1 stop
$1,520Qantas Airways
Find Deal
Sun, Nov 30 - Wed, Dec 10
American Airlines Logo
10:25 am - 5:25 amIAD-BNE
29h 00m2 stops
American Airlines Logo
8:40 am - 11:32 pmBNE-IAD
28h 52m1 stop
$1,546American Airlines
Find Deal
Tue, Oct 21 - Sun, Nov 2
United Airlines Logo
4:00 pm - 1:35 pmIAD-CBR
31h 35m2 stops
United Airlines Logo
6:35 am - 7:26 pmCBR-IAD
27h 51m2 stops
$1,855United Airlines
Find Deal
Tue, Sep 30 - Tue, Oct 28
United Airlines Logo
4:00 pm - 10:40 amIAD-CBR
28h 40m2 stops
United Airlines Logo
6:35 am - 7:26 pmCBR-IAD
27h 51m2 stops
$1,858United Airlines
Find Deal
Tue, Sep 30 - Tue, Oct 28
American Airlines Logo
5:03 pm - 11:50 amIAD-CNS
27h 47m2 stops
American Airlines Logo
3:35 pm - 4:06 pmCNS-IAD
39h 31m2 stops
$1,998American Airlines
Find Deal
Mon, Dec 1 - Wed, Dec 10
Qantas Airways Logo
5:27 pm - 3:50 pmIAD-AVV
30h 23m2 stops
Qantas Airways Logo
8:55 pm - 10:14 pmAVV-IAD
41h 19m2 stops
$2,053Qantas Airways
Find Deal
Sat, Nov 15 - Sat, Dec 6

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
Oct 21
IAD9:35 amWashington, D.C. Dulles Intl
31h 45m
2 stops
SYD8:20 amSydney Kingsford Smith
Oct 26
SYD10:20 amSydney Kingsford Smith
25h 39m
2 stops
IAD8:59 pmWashington, D.C. Dulles Intl
$835
Find similar
Air Canada
Oct 21
IAD1:00 pmWashington, D.C. Dulles Intl
28h 20m
3 stops
SYD8:20 amSydney Kingsford Smith
Oct 26
SYD10:20 amSydney Kingsford Smith
25h 39m
2 stops
IAD8:59 pmWashington, D.C. Dulles Intl
$841
Find similar
Air Canada
Oct 21
IAD1:00 pmWashington, D.C. Dulles Intl
28h 20m
3 stops
SYD8:20 amSydney Kingsford Smith
Oct 26
SYD10:20 amSydney Kingsford Smith
25h 39m
2 stops
IAD8:59 pmWashington, D.C. Dulles Intl
$842
Find similar

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
Sep 28
IAD8:30 amWashington, D.C. Dulles Intl
33h 15m
2 stops
SYD7:45 amSydney Kingsford Smith
Oct 21
SYD11:50 amSydney Kingsford Smith
25h 16m
2 stops
IAD10:06 pmWashington, D.C. Dulles Intl
$1,237
Find similar
Air New Zealand
Oct 20
IAD7:22 pmWashington, D.C. Dulles Intl
46h 23m
2 stops
SYD8:45 amSydney Kingsford Smith
Nov 2
SYD1:55 pmSydney Kingsford Smith
27h 01m
2 stops
IAD1:56 amWashington, D.C. Dulles Intl
$1,251
Find similar
Air New Zealand
Oct 20
IAD10:14 pmWashington, D.C. Dulles Intl
43h 31m
2 stops
SYD8:45 amSydney Kingsford Smith
Nov 2
SYD1:55 pmSydney Kingsford Smith
27h 01m
2 stops
IAD1:56 amWashington, D.C. Dulles Intl
$1,252
Find similar

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 August 10, 2025.
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.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 10/21

9:35 am-8:20 am

2 stops31h 45m

Sydney Kingsford Smith

Sun 10/26

10:20 am-8:59 pm

2 stops25h 39m

$835

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 10/21

1:00 pm-8:20 am

3 stops28h 20m

Sydney Kingsford Smith

Sun 10/26

10:20 am-8:59 pm

2 stops25h 39m

$841

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 9/28

8:30 am-7:45 am

2 stops33h 15m

Sydney Kingsford Smith

Tue 10/21

11:50 am-10:06 pm

2 stops25h 16m

$1,237

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 10/20

7:22 pm-8:45 am

2 stops46h 23m

Sydney Kingsford Smith

Sun 11/2

1:55 pm-1:56 am

2 stops27h 01m

$1,251

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sun 11/30

5:03 pm-6:30 am

1 stop22h 27m

Brisbane

Wed 12/10

9:40 am-10:14 pm

1 stop27h 34m

$1,520

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Tue 10/21

10:25 am-5:25 am

2 stops29h 00m

Brisbane

Sun 11/2

8:40 am-11:32 pm

1 stop28h 52m

$1,546

Washington, D.C.Canberra

IAD - CBR

IADCBR

Washington, D.C. Dulles Intl

Tue 9/30

4:00 pm-1:35 pm

2 stops31h 35m

Canberra

Tue 10/28

6:35 am-7:26 pm

2 stops27h 51m

$1,855

Washington, D.C.Canberra

IAD - CBR

IADCBR

Washington, D.C. Dulles Intl

Tue 9/30

4:00 pm-10:40 am

2 stops28h 40m

Canberra

Tue 10/28

6:35 am-7:26 pm

2 stops27h 51m

$1,858

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Mon 12/1

5:03 pm-11:50 am

2 stops27h 47m

Cairns

Wed 12/10

3:35 pm-4:06 pm

2 stops39h 31m

$1,998

Washington, D.C.Melbourne

IAD - AVV

IADAVV

Washington, D.C. Dulles Intl

Sat 11/15

5:27 pm-3:50 pm

2 stops30h 23m

Melbourne Avalon

Sat 12/6

8:55 pm-10:14 pm

2 stops41h 19m

$2,053

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 April is, on average, the cheapest month to fly to Australia from Washington, D.C. Dulles Intl Airport, with most prices found around $927. If you aren’t able to travel during the month of April, then book flights to Australia from Washington, D.C. Dulles Intl Airport during March instead. Flights to Australia in March, while not as cheap as those in April, still average around $981.

What is the cheapest day to depart on your flight to Australia?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Australia is on a Tuesday. Travelers who choose to depart for Australia on a Tuesday will often find tickets for as low as $1,260. On the other hand, Monday is the most expensive day to depart from Washington, D.C. Dulles Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,520.

What is the cheapest time of day to depart on your flight to Australia?

Flying to Australia from Washington, D.C. Dulles Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,368 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,647 on average. Flights to Australia from Washington, D.C. Dulles Intl Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $1,300 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 $1,054 on momondo.

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

You could potentially save up to 28% 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

Best Price Found

$533

Fastest flight time

22h 08m

Direct flights

None

Airports in Australia

7 airports
The best one-way flight to Australia from Washington, D.C. Dulles Intl Airport in the past 72 hours is $533. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Australia found on momondo in the last 72 hours is $835.
The fastest flight from Washington, D.C. Dulles Intl Airport to Australia takes 22h 08m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Australia. Popular non-direct routes for this connection are Washington, D.C. Dulles Intl Airport - Sydney Kingsford Smith Airport, Washington, D.C. Dulles Intl Airport - Perth Airport and Washington, D.C. Dulles Intl Airport - Melbourne Airport.
There are 7 airports near Australia: Melbourne Avalon (AVV), Melbourne (MEL), Brisbane (BNE), Adelaide (ADL), Perth (PER), Coolangatta Gold Coast (OOL), Sydney Kingsford Smith (SYD)
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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 $437Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
DeltaPriceFrom $609Free CancellationRating
8.0
7,986 reviews
Search Delta flights
American AirlinesPriceFrom $672Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $678Free CancellationRating
7.5
890 reviews
Search Qantas Airways flights
Air CanadaPriceFrom $1,036Free CancellationRating
7.1
9,911 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,261Free CancellationRating
8.0
503 reviews
Search Air New Zealand flights
ANAPriceFrom $1,370Free CancellationRating
8.4
925 reviews
Search ANA flights
Qatar AirwaysPriceFrom $1,506Free CancellationRating
7.4
3,606 reviews
Search Qatar Airways 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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