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Cheap flights from Washington, D.C. Dulles Intl Airport to Australia from $879

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 14/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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.
Multiple Airlines Logo
11:10 - 11:50
IAD
-
SYD
34h 40m
3 stops
Multiple Airlines Logo
13:15 - 08:04
SYD
-
IAD
32h 49m
3 stops
$1,611Multiple Airlines
Mon, 17 Aug - Mon, 24 Aug
Multiple Airlines Logo
11:10 - 10:35
IAD
-
BNE
33h 25m
3 stops
Multiple Airlines Logo
11:35 - 17:14
BNE
-
IAD
43h 39m
3 stops
$1,621Multiple Airlines
Fri, 14 Aug - Tue, 25 Aug
Multiple Airlines Logo
11:05 - 22:25
IAD
-
SYD
45h 20m
3 stops
Multiple Airlines Logo
13:15 - 17:14
SYD
-
IAD
41h 59m
3 stops
$1,632Multiple Airlines
Tue, 18 Aug - Tue, 25 Aug
Air Canada Logo
15:45 - 07:05
IAD
-
BNE
25h 20m
2 stops
Air Canada Logo
10:00 - 19:00
BNE
-
IAD
23h 00m
2 stops
$2,123Air Canada
Tue, 11 Aug - Sun, 11 Oct
Air Canada Logo
08:29 - 07:05
IAD
-
BNE
32h 36m
1 stop
Air Canada Logo
10:15 - 06:30
BNE
-
IAD
34h 15m
1 stop
$2,128Air Canada
Sun, 6 Sep - Tue, 15 Sep
SWISS Logo
20:20 - 06:50
IAD
-
PER
46h 30m
2 stops
SWISS Logo
08:30 - 16:45
PER
-
IAD
45h 15m
2 stops
$2,295SWISS
Wed, 12 Aug - Tue, 10 Nov
Air New Zealand Logo
17:45 - 11:55
IAD
-
ADL
27h 40m
2 stops
Air New Zealand Logo
12:05 - 00:36
ADL
-
IAD
27h 01m
2 stops
$2,403Air New Zealand
Mon, 12 Oct - Wed, 28 Oct
Air New Zealand Logo
17:42 - 10:55
IAD
-
ADL
49h 43m
2 stops
Air New Zealand Logo
06:00 - 21:27
ADL
-
IAD
30h 57m
2 stops
$2,410Air New Zealand
Tue, 24 Nov - Wed, 30 Dec
Cathay Pacific Logo
14:53 - 22:40
IAD
-
PER
43h 47m
2 stops
Cathay Pacific Logo
08:20 - 14:02
PER
-
IAD
65h 42m
2 stops
$2,492Cathay Pacific
Tue, 18 Aug - Tue, 25 Aug
Cathay Pacific Logo
18:38 - 22:40
IAD
-
PER
40h 02m
2 stops
Cathay Pacific Logo
08:20 - 14:02
PER
-
IAD
65h 42m
2 stops
$2,566Cathay Pacific
Thu, 20 Aug - Thu, 27 Aug

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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
9 Sept
IAD13:00Washington, D.C. Dulles Intl
29h 45m
2 stops
SYD08:45Sydney Kingsford Smith
16 Sept
SYD11:55Sydney Kingsford Smith
24h 50m
2 stops
IAD22:45Washington, D.C. Dulles Intl
$2,073
Air New Zealand
14 Oct
IAD12:58Washington, D.C. Dulles Intl
28h 47m
2 stops
SYD08:45Sydney Kingsford Smith
11 Nov
SYD09:55Sydney Kingsford Smith
27h 01m
2 stops
IAD20:56Washington, D.C. Dulles Intl
$2,079
Air New Zealand
28 July
IAD13:10Washington, D.C. Dulles Intl
29h 35m
2 stops
SYD08:45Sydney Kingsford Smith
12 Aug
SYD11:55Sydney Kingsford Smith
24h 50m
2 stops
IAD22:45Washington, D.C. Dulles Intl
$2,085

Turkish Airlines flights from Washington, D.C. Dulles Intl Airport to Australia

Our best Turkish Airlines deals on Washington, D.C. Dulles Intl Airport to Australia flight tickets
Turkish Airlines
3 Nov
IAD14:30Washington, D.C. Dulles Intl
37h 05m
2 stops
SYD19:35Sydney Kingsford Smith
17 Nov
SYD21:30Sydney Kingsford Smith
37h 55m
2 stops
IAD19:25Washington, D.C. Dulles Intl
$2,082
Turkish Airlines
14 Sept
IAD21:45Washington, D.C. Dulles Intl
31h 25m
2 stops
SYD19:10Sydney Kingsford Smith
22 Sept
SYD21:05Sydney Kingsford Smith
36h 45m
2 stops
IAD19:50Washington, D.C. Dulles Intl
$2,096
Turkish Airlines
22 Sept
IAD21:45Washington, D.C. Dulles Intl
31h 25m
2 stops
SYD19:10Sydney Kingsford Smith
20 Oct
SYD22:05Sydney Kingsford Smith
36h 45m
2 stops
IAD19:50Washington, D.C. Dulles Intl
$2,097

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 8 July 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

Cheapest return flight

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 17/8

11:10-11:50

3 stops34h 40m

Sydney Kingsford Smith

Mon 24/8

13:15-08:04

3 stops32h 49m

$1,611

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Fri 14/8

11:10-10:35

3 stops33h 25m

Brisbane

Tue 25/8

11:35-17:14

3 stops43h 39m

$1,621

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 18/8

11:05-22:25

3 stops45h 20m

Sydney Kingsford Smith

Tue 25/8

13:15-17:14

3 stops41h 59m

$1,632
Fastest return journey

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Tue 11/8

15:45-07:05

2 stops25h 20m

Brisbane

Sun 11/10

10:00-19:00

2 stops23h 00m

$2,123

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sun 6/9

08:29-07:05

1 stop32h 36m

Brisbane

Tue 15/9

10:15-06:30

1 stop34h 15m

$2,128

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 12/8

20:20-06:50

2 stops46h 30m

Perth

Tue 10/11

08:30-16:45

2 stops45h 15m

$2,295

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Mon 12/10

17:45-11:55

2 stops27h 40m

Adelaide

Wed 28/10

12:05-00:36

2 stops27h 01m

$2,403

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 24/11

17:42-10:55

2 stops49h 43m

Adelaide

Wed 30/12

06:00-21:27

2 stops30h 57m

$2,410

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 18/8

14:53-22:40

2 stops43h 47m

Perth

Tue 25/8

08:20-14:02

2 stops65h 42m

$2,492

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Thu 20/8

18:38-22:40

2 stops40h 02m

Perth

Thu 27/8

08:20-14:02

2 stops65h 42m

$2,566

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, January 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 $262. If you don’t want to visit Australia in January, then you should wait until July to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $357.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport 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 $2,331 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 $1,505 on momondo.

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

You could potentially save up to 32% 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

21h 35m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Australia takes 21h 35m
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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Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Australia

  • 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 $1,868Free cancellationRating
7.4
9,948 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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