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Cheap flights from Washington, D.C. Dulles Intl Airport to Australia from $971

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 15/9. 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.
Multiple Airlines Logo
11:07 - 11:50
IAD
-
SYD
34h 43m
3 stops
Multiple Airlines Logo
13:15 - 10:12
SYD
-
IAD
34h 57m
3 stops
$1,763Multiple Airlines
Sat, 30 May - Fri, 5 Jun
Multiple Airlines Logo
11:24 - 11:50
IAD
-
SYD
34h 26m
3 stops
Multiple Airlines Logo
13:15 - 12:47
SYD
-
IAD
37h 32m
3 stops
$1,785Multiple Airlines
Thu, 2 Jul - Mon, 20 Jul
Air Canada Logo
16:05 - 07:05
IAD
-
BNE
25h 00m
2 stops
Air Canada Logo
10:00 - 11:12
BNE
-
IAD
39h 12m
2 stops
$2,046Air Canada
Mon, 1 Jun - Sun, 7 Jun
Air Canada Logo
09:45 - 07:05
IAD
-
BNE
31h 20m
2 stops
Air Canada Logo
09:45 - 20:23
BNE
-
IAD
24h 38m
2 stops
$2,071Air Canada
Sun, 13 Sep - Wed, 28 Oct
Turkish Airlines Logo
21:45 - 19:40
IAD
-
MEL
31h 55m
2 stops
Turkish Airlines Logo
21:35 - 19:50
MEL
-
IAD
36h 15m
2 stops
$2,144Turkish Airlines
Thu, 10 Sep - Wed, 30 Sep
Turkish Airlines Logo
21:45 - 19:40
IAD
-
MEL
31h 55m
2 stops
Turkish Airlines Logo
21:35 - 11:35
MEL
-
IAD
52h 00m
2 stops
$2,200Turkish Airlines
Mon, 31 Aug - Mon, 14 Sep
Air New Zealand Logo
13:03 - 07:30
IAD
-
MEL
28h 27m
1 stop
Air New Zealand Logo
08:35 - 00:57
MEL
-
IAD
30h 22m
2 stops
$2,202Air New Zealand
Wed, 12 Aug - Mon, 31 Aug
Air New Zealand Logo
17:42 - 08:30
IAD
-
MEL
23h 48m
1 stop
Air New Zealand Logo
12:10 - 05:30
MEL
-
IAD
32h 20m
2 stops
$2,204Air New Zealand
Wed, 7 Oct - Tue, 20 Oct
United Airlines Logo
08:15 - 10:05
IAD
-
ADL
36h 20m
2 stops
United Airlines Logo
06:05 - 22:19
ADL
-
IAD
29h 44m
2 stops
$2,577United Airlines
Mon, 13 Jul - Sun, 30 Aug
United Airlines Logo
08:25 - 11:55
IAD
-
HBA
37h 30m
2 stops
United Airlines Logo
06:25 - 22:19
HBA
-
IAD
29h 54m
2 stops
$2,857United Airlines
Thu, 24 Sep - Fri, 2 Oct

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
1 June
IAD16:05Washington, D.C. Dulles Intl
25h 00m
2 stops
BNE07:05Brisbane
7 June
BNE10:00Brisbane
39h 12m
2 stops
IAD11:12Washington, D.C. Dulles Intl
$2,046
Air Canada
13 Sept
IAD09:45Washington, D.C. Dulles Intl
31h 20m
2 stops
BNE07:05Brisbane
28 Oct
BNE09:45Brisbane
24h 38m
2 stops
IAD20:23Washington, D.C. Dulles Intl
$2,071
Air Canada
26 July
IAD15:45Washington, D.C. Dulles Intl
25h 35m
2 stops
SYD07:20Sydney Kingsford Smith
16 Aug
SYD09:20Sydney Kingsford Smith
23h 41m
2 stops
IAD19:01Washington, D.C. Dulles Intl
$2,073

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
9 Sept
IAD21:45Washington, D.C. Dulles Intl
31h 25m
1 stop
SYD19:10Sydney Kingsford Smith
16 Sept
SYD21:05Sydney Kingsford Smith
52h 30m
1 stop
IAD11:35Washington, D.C. Dulles Intl
$2,059
Turkish Airlines
10 Sept
IAD21:45Washington, D.C. Dulles Intl
31h 55m
2 stops
MEL19:40Melbourne
30 Sept
MEL21:35Melbourne
36h 15m
2 stops
IAD19:50Washington, D.C. Dulles Intl
$2,144
Turkish Airlines
31 Aug
IAD21:45Washington, D.C. Dulles Intl
31h 55m
2 stops
MEL19:40Melbourne
14 Sept
MEL21:35Melbourne
52h 00m
2 stops
IAD11:35Washington, D.C. Dulles Intl
$2,200

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 22 May 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

Sat 30/5

11:07-11:50

3 stops34h 43m

Sydney Kingsford Smith

Fri 5/6

13:15-10:12

3 stops34h 57m

$1,763

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Thu 2/7

11:24-11:50

3 stops34h 26m

Sydney Kingsford Smith

Mon 20/7

13:15-12:47

3 stops37h 32m

$1,785

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Mon 1/6

16:05-07:05

2 stops25h 00m

Brisbane

Sun 7/6

10:00-11:12

2 stops39h 12m

$2,046
Fastest return journey

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sun 13/9

09:45-07:05

2 stops31h 20m

Brisbane

Wed 28/10

09:45-20:23

2 stops24h 38m

$2,071

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Thu 10/9

21:45-19:40

2 stops31h 55m

Melbourne

Wed 30/9

21:35-19:50

2 stops36h 15m

$2,144

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Mon 31/8

21:45-19:40

2 stops31h 55m

Melbourne

Mon 14/9

21:35-11:35

2 stops52h 00m

$2,200

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Wed 12/8

13:03-07:30

1 stop28h 27m

Melbourne

Mon 31/8

08:35-00:57

2 stops30h 22m

$2,202

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Wed 7/10

17:42-08:30

1 stop23h 48m

Melbourne

Tue 20/10

12:10-05:30

2 stops32h 20m

$2,204

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Mon 13/7

08:15-10:05

2 stops36h 20m

Adelaide

Sun 30/8

06:05-22:19

2 stops29h 44m

$2,577

Washington, D.C.Hobart

IAD - HBA

IADHBA

Washington, D.C. Dulles Intl

Thu 24/9

08:25-11:55

2 stops37h 30m

Hobart

Fri 2/10

06:25-22:19

2 stops29h 54m

$2,857

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, July 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 $192. If you don’t want to visit Australia in July, then you should wait until January to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $255.

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 $2,273 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 $1,062 on momondo.

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

You could potentially save up to 20% 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

22h 35m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Australia takes 22h 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.
Search flight deals

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 $1,818Free cancellationRating
7.4
9,751 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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