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Cheap flights from Washington, D.C. Dulles Intl Airport to Australia from $817

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 30/9. 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

Air Canada Logo
09:35 - 08:20IAD-SYD
31h 45m2 stops
Air Canada Logo
10:20 - 20:59SYD-IAD
25h 39m2 stops
$1,279Air Canada
Find Deal
Tue, 21 Oct - Sun, 26 Oct
Air Canada Logo
13:00 - 08:20IAD-SYD
28h 20m3 stops
Air Canada Logo
10:20 - 20:59SYD-IAD
25h 39m2 stops
$1,289Air Canada
Find Deal
Tue, 21 Oct - Sun, 26 Oct
Logo
12:40 - 14:05IAD-MEL
33h 25m3 stops
Logo
07:25 - 20:29MEL-IAD
29h 04m3 stops
$1,356
Find Deal
Tue, 3 Feb - Wed, 18 Feb
Logo
15:36 - 12:35IAD-MEL
29h 59m3 stops
Logo
07:25 - 20:29MEL-IAD
29h 04m3 stops
$1,520
Find Deal
Tue, 21 Oct - Tue, 4 Nov
Air New Zealand Logo
12:35 - 09:55IAD-BNE
31h 20m2 stops
Air New Zealand Logo
11:10 - 21:25BNE-IAD
25h 15m2 stops
$1,886Air New Zealand
Find Deal
Wed, 29 Oct - Wed, 19 Nov
Air New Zealand Logo
08:30 - 07:45IAD-SYD
33h 15m2 stops
Air New Zealand Logo
11:50 - 22:06SYD-IAD
25h 16m2 stops
$1,895Air New Zealand
Find Deal
Sun, 28 Sep - Tue, 21 Oct
United Airlines Logo
08:15 - 06:55IAD-SYD
32h 40m2 stops
United Airlines Logo
10:20 - 21:25SYD-IAD
25h 05m2 stops
$1,926United Airlines
Find Deal
Wed, 24 Sep - Wed, 1 Oct
Turkish Airlines Logo
21:10 - 21:00IAD-MEL
31h 50m2 stops
Turkish Airlines Logo
22:55 - 19:15MEL-IAD
36h 20m2 stops
$2,168Turkish Airlines
Find Deal
Mon, 1 Dec - Mon, 8 Dec
Turkish Airlines Logo
21:40 - 19:25IAD-MEL
31h 45m2 stops
Turkish Airlines Logo
21:20 - 19:45MEL-IAD
36h 25m2 stops
$2,191Turkish Airlines
Find Deal
Mon, 22 Sep - Mon, 29 Sep
United Airlines Logo
16:00 - 13:35IAD-CBR
31h 35m2 stops
United Airlines Logo
06:35 - 19:26CBR-IAD
27h 51m2 stops
$2,842United Airlines
Find Deal
Tue, 30 Sep - Tue, 28 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
21 Oct
IAD09:35Washington, D.C. Dulles Intl
31h 45m
2 stops
SYD08:20Sydney Kingsford Smith
26 Oct
SYD10:20Sydney Kingsford Smith
25h 39m
2 stops
IAD20:59Washington, D.C. Dulles Intl
$1,279
Find similar
Air Canada
21 Oct
IAD13:00Washington, D.C. Dulles Intl
28h 20m
3 stops
SYD08:20Sydney Kingsford Smith
26 Oct
SYD10:20Sydney Kingsford Smith
25h 39m
2 stops
IAD20:59Washington, D.C. Dulles Intl
$1,289
Find similar
Air Canada
27 Oct
IAD22:11Washington, D.C. Dulles Intl
43h 24m
2 stops
SYD08:35Sydney Kingsford Smith
9 Nov
SYD11:20Sydney Kingsford Smith
25h 39m
2 stops
IAD20:59Washington, D.C. Dulles Intl
$1,290
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
29 Oct
IAD12:35Washington, D.C. Dulles Intl
31h 20m
2 stops
BNE09:55Brisbane
19 Nov
BNE11:10Brisbane
25h 15m
2 stops
IAD21:25Washington, D.C. Dulles Intl
$1,886
Find similar
Air New Zealand
28 Sept
IAD08:30Washington, D.C. Dulles Intl
33h 15m
2 stops
SYD07:45Sydney Kingsford Smith
21 Oct
SYD11:50Sydney Kingsford Smith
25h 16m
2 stops
IAD22:06Washington, D.C. Dulles Intl
$1,895
Find similar
Air New Zealand
6 Sept
IAD22:05Washington, D.C. Dulles Intl
44h 25m
2 stops
BNE08:30Brisbane
7 Oct
BNE11:15Brisbane
32h 23m
2 stops
IAD05:38Washington, D.C. Dulles Intl
$1,906
Find similar

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 11 August 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 21/10

09:35-08:20

2 stops31h 45m

Sydney Kingsford Smith

Sun 26/10

10:20-20:59

2 stops25h 39m

$1,279

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 21/10

13:00-08:20

3 stops28h 20m

Sydney Kingsford Smith

Sun 26/10

10:20-20:59

2 stops25h 39m

$1,289

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Tue 3/2

12:40-14:05

3 stops33h 25m

Melbourne

Wed 18/2

07:25-20:29

3 stops29h 04m

$1,356

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Tue 21/10

15:36-12:35

3 stops29h 59m

Melbourne

Tue 4/11

07:25-20:29

3 stops29h 04m

$1,520

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Wed 29/10

12:35-09:55

2 stops31h 20m

Brisbane

Wed 19/11

11:10-21:25

2 stops25h 15m

$1,886

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 28/9

08:30-07:45

2 stops33h 15m

Sydney Kingsford Smith

Tue 21/10

11:50-22:06

2 stops25h 16m

$1,895

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 24/9

08:15-06:55

2 stops32h 40m

Sydney Kingsford Smith

Wed 1/10

10:20-21:25

2 stops25h 05m

$1,926

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Mon 1/12

21:10-21:00

2 stops31h 50m

Melbourne

Mon 8/12

22:55-19:15

2 stops36h 20m

$2,168

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Mon 22/9

21:40-19:25

2 stops31h 45m

Melbourne

Mon 29/9

21:20-19:45

2 stops36h 25m

$2,191

Washington, D.C.Canberra

IAD - CBR

IADCBR

Washington, D.C. Dulles Intl

Tue 30/9

16:00-13:35

2 stops31h 35m

Canberra

Tue 28/10

06:35-19:26

2 stops27h 51m

$2,842

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, April 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 $1,420. If you don’t want to visit Australia in April, then you should wait until February to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $1,468.

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

On average, the least expensive day to fly to Australia from Washington, D.C. Dulles Intl Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,914. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Washington, D.C. Dulles Intl Airport to Australia on a Thursday will generally be more expensive and average around $2,447. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Australia is in the morning. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Australia in the morning for as low as $2,087. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Australia are more costly in the evening, with an average ticket price of $3,079. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,998 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 $1,489 on momondo.

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

You could potentially save up to 13% 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

$817

Fastest flight time

23h 31m

Direct flights

None

Airports in Australia

9 airports
The best one-way flight to Australia from Washington, D.C. Dulles Intl Airport in the past 72 hours is $817. The best return flight deal from Washington, D.C. Dulles Intl Airport to Australia found on momondo in the last 72 hours is $1,279.
The fastest flight from Washington, D.C. Dulles Intl Airport to Australia takes 23h 31m
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 9 airports near Australia: Melbourne Avalon (AVV), Melbourne (MEL), Hobart (HBA), Brisbane (BNE), Cairns (CNS), 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 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 $2,243Free cancellationRating
7.4
8,920 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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