Cheap flights from Washington, D.C. Dulles Intl Airport to Australia from $682

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 9/1. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

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.
Multiple Airlines Logo
11:24 am - 11:50 am
IAD
-
SYD
34h 26m
3 stops
Multiple Airlines Logo
1:15 pm - 12:47 pm
SYD
-
IAD
37h 32m
3 stops
$1,274Multiple Airlines
Thu, Jul 2 - Mon, Jul 20
Multiple Airlines Logo
7:00 am - 12:00 pm
IAD
-
MEL
39h 00m
3 stops
Multiple Airlines Logo
2:30 pm - 5:40 am
MEL
-
IAD
30h 10m
3 stops
$1,334Multiple Airlines
Fri, Oct 2 - Fri, Oct 23
Air Canada Logo
4:05 pm - 7:05 am
IAD
-
BNE
25h 00m
2 stops
Air Canada Logo
10:00 am - 11:12 am
BNE
-
IAD
39h 12m
2 stops
$1,460Air Canada
Mon, Jun 1 - Sun, Jun 7
Air Canada Logo
9:45 am - 7:05 am
IAD
-
BNE
31h 20m
2 stops
Air Canada Logo
9:45 am - 8:23 pm
BNE
-
IAD
24h 38m
2 stops
$1,478Air Canada
Sun, Sep 13 - Wed, Oct 28
Air New Zealand Logo
1:03 pm - 7:30 am
IAD
-
MEL
28h 27m
1 stop
Air New Zealand Logo
8:35 am - 12:57 am
MEL
-
IAD
30h 22m
2 stops
$1,571Air New Zealand
Wed, Aug 12 - Mon, Aug 31
Air New Zealand Logo
5:42 pm - 8:30 am
IAD
-
MEL
23h 48m
1 stop
Air New Zealand Logo
12:10 pm - 5:30 am
MEL
-
IAD
32h 20m
2 stops
$1,573Air New Zealand
Wed, Oct 7 - Tue, Oct 20
United Airlines Logo
8:15 am - 10:05 am
IAD
-
ADL
36h 20m
2 stops
United Airlines Logo
6:05 am - 10:19 pm
ADL
-
IAD
29h 44m
2 stops
$1,839United Airlines
Mon, Jul 13 - Sun, Aug 30
United Airlines Logo
8:25 am - 11:55 am
IAD
-
HBA
37h 30m
2 stops
United Airlines Logo
6:25 am - 10:19 pm
HBA
-
IAD
29h 54m
2 stops
$2,039United Airlines
Thu, Sep 24 - Fri, Oct 2
Qantas Airways Logo
2:46 pm - 8:25 am
IAD
-
HBA
27h 39m
2 stops
Qantas Airways Logo
6:00 am - 10:47 pm
HBA
-
IAD
30h 47m
2 stops
$2,060Qantas Airways
Sat, Sep 26 - Sat, Oct 3
Qantas Airways Logo
6:41 pm - 10:45 am
IAD
-
HBA
26h 04m
2 stops
Qantas Airways Logo
10:10 am - 10:47 pm
HBA
-
IAD
26h 37m
2 stops
$2,073Qantas Airways
Fri, Sep 25 - Sat, Oct 3

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
Jun 1
IAD4:05 pmWashington, D.C. Dulles Intl
25h 00m
2 stops
BNE7:05 amBrisbane
Jun 7
BNE10:00 amBrisbane
39h 12m
2 stops
IAD11:12 amWashington, D.C. Dulles Intl
$1,460
Air Canada
Sep 13
IAD9:45 amWashington, D.C. Dulles Intl
31h 20m
2 stops
BNE7:05 amBrisbane
Oct 28
BNE9:45 amBrisbane
24h 38m
2 stops
IAD8:23 pmWashington, D.C. Dulles Intl
$1,478
Air Canada
Jul 26
IAD3:45 pmWashington, D.C. Dulles Intl
25h 35m
2 stops
SYD7:20 amSydney Kingsford Smith
Aug 16
SYD9:20 amSydney Kingsford Smith
23h 41m
2 stops
IAD7:01 pmWashington, D.C. Dulles Intl
$1,479

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
Aug 12
IAD1:03 pmWashington, D.C. Dulles Intl
28h 27m
1 stop
MEL7:30 amMelbourne
Aug 31
MEL8:35 amMelbourne
30h 22m
2 stops
IAD12:57 amWashington, D.C. Dulles Intl
$1,571
Air New Zealand
Oct 7
IAD5:42 pmWashington, D.C. Dulles Intl
23h 48m
1 stop
MEL8:30 amMelbourne
Oct 20
MEL12:10 pmMelbourne
32h 20m
2 stops
IAD5:30 amWashington, D.C. Dulles Intl
$1,573
Air New Zealand
Sep 13
IAD5:48 pmWashington, D.C. Dulles Intl
27h 07m
2 stops
MEL10:55 amMelbourne
Sep 27
MEL9:30 amMelbourne
34h 00m
1 stop
IAD5:30 amWashington, D.C. Dulles Intl
$1,587

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 May 22, 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 round-trip

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Thu 7/2

11:24 am-11:50 am

3 stops34h 26m

Sydney Kingsford Smith

Mon 7/20

1:15 pm-12:47 pm

3 stops37h 32m

$1,274

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Fri 10/2

7:00 am-12:00 pm

3 stops39h 00m

Melbourne

Fri 10/23

2:30 pm-5:40 am

3 stops30h 10m

$1,334

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Mon 6/1

4:05 pm-7:05 am

2 stops25h 00m

Brisbane

Sun 6/7

10:00 am-11:12 am

2 stops39h 12m

$1,460

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sun 9/13

9:45 am-7:05 am

2 stops31h 20m

Brisbane

Wed 10/28

9:45 am-8:23 pm

2 stops24h 38m

$1,478

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Wed 8/12

1:03 pm-7:30 am

1 stop28h 27m

Melbourne

Mon 8/31

8:35 am-12:57 am

2 stops30h 22m

$1,571

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Wed 10/7

5:42 pm-8:30 am

1 stop23h 48m

Melbourne

Tue 10/20

12:10 pm-5:30 am

2 stops32h 20m

$1,573

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Mon 7/13

8:15 am-10:05 am

2 stops36h 20m

Adelaide

Sun 8/30

6:05 am-10:19 pm

2 stops29h 44m

$1,839

Washington, D.C.Hobart

IAD - HBA

IADHBA

Washington, D.C. Dulles Intl

Thu 9/24

8:25 am-11:55 am

2 stops37h 30m

Hobart

Fri 10/2

6:25 am-10:19 pm

2 stops29h 54m

$2,039

Washington, D.C.Hobart

IAD - HBA

IADHBA

Washington, D.C. Dulles Intl

Sat 9/26

2:46 pm-8:25 am

2 stops27h 39m

Hobart

Sat 10/3

6:00 am-10:47 pm

2 stops30h 47m

$2,060
Quickest round-trip

Washington, D.C.Hobart

IAD - HBA

IADHBA

Washington, D.C. Dulles Intl

Fri 9/25

6:41 pm-10:45 am

2 stops26h 04m

Hobart

Sat 10/3

10:10 am-10:47 pm

2 stops26h 37m

$2,073

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 July is, on average, the cheapest month to fly to Australia from Washington, D.C. Dulles Intl Airport, with most prices found around $137. If you aren’t able to travel during the month of July, then book flights to Australia from Washington, D.C. Dulles Intl Airport during January instead. Flights to Australia in January, while not as cheap as those in July, still average around $182.

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 $1,622 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 $758 on momondo.

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

You could potentially save up to 12% 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.

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 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
9,751 reviews
Search United Airlines flights
DeltaPriceFrom $544Free CancellationRating
7.9
8,445 reviews
Search Delta flights
Fiji AirwaysPriceFrom $719Free CancellationRating
8.1
242 reviews
Search Fiji Airways flights
Air CanadaPriceFrom $787Free CancellationRating
7.1
11,077 reviews
Search Air Canada flights
American AirlinesPriceFrom $855Free CancellationRating
7.1
11,645 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $1,167Free CancellationRating
7.5
1,041 reviews
Search Qantas Airways flights
Qatar AirwaysPriceFrom $1,195Free CancellationRating
7.4
3,730 reviews
Search Qatar Airways flights
Air New ZealandPriceFrom $1,195Free CancellationRating
8.0
648 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.

An easier way to manage your Australia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 6/21
Sun 6/28

Find better results for your trip to Australia

Popular cities in Australia

Popular flights according to clicks in the last 7 days on momondo