Cheap flights from Washington, D.C. to Australia from $737

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. to Australia departing on 23/10. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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. to Australia

Cheap return flights

 Logo
08:12 - 07:05BWI-SYD
32h 53m2 stops
 Logo
12:10 - 00:17SYD-BWI
26h 07m2 stops
$1,560
Find Deal
Tue, 9 Sep - Fri, 3 Oct
Qantas Airways Logo
15:22 - 06:30BWI-BNE
24h 08m1 stop
Qantas Airways Logo
09:40 - 14:13BNE-BWI
19h 33m1 stop
$1,562Qantas Airways
Find Deal
Sat, 8 Nov - Sat, 22 Nov
American Airlines Logo
15:23 - 06:30BWI-BNE
24h 07m1 stop
American Airlines Logo
09:40 - 22:54BNE-BWI
28h 14m1 stop
$1,618American Airlines
Find Deal
Wed, 5 Nov - Sun, 16 Nov
Fiji Airways Logo
17:11 - 12:30DCA-SYD
27h 19m2 stops
Fiji Airways Logo
14:10 - 23:00SYD-DCA
23h 50m2 stops
$1,627Fiji Airways
Find Deal
Tue, 10 Feb - Tue, 10 Mar
United Airlines Logo
08:30 - 07:30BWI-BNE
32h 00m1 stop
United Airlines Logo
11:40 - 17:28BNE-BWI
20h 48m1 stop
$1,630United Airlines
Find Deal
Wed, 5 Nov - Sat, 15 Nov
Delta Logo
13:41 - 08:20BWI-BNE
27h 39m2 stops
Delta Logo
10:45 - 20:44BNE-BWI
24h 59m2 stops
$1,637Delta
Find Deal
Wed, 5 Nov - Sun, 16 Nov
United Airlines Logo
16:12 - 07:30BWI-BNE
24h 18m2 stops
United Airlines Logo
11:40 - 17:28BNE-BWI
20h 48m1 stop
$1,638United Airlines
Find Deal
Wed, 5 Nov - Mon, 17 Nov
Delta Logo
16:39 - 07:45BWI-BNE
48h 06m2 stops
Delta Logo
10:45 - 23:51BNE-BWI
28h 06m2 stops
$1,663Delta
Find Deal
Tue, 16 Dec - Wed, 24 Dec
Fiji Airways Logo
17:11 - 10:10DCA-BNE
25h 59m2 stops
Fiji Airways Logo
11:25 - 20:57BNE-DCA
24h 32m2 stops
$1,727Fiji Airways
Find Deal
Tue, 10 Feb - Thu, 19 Feb
American Airlines Logo
13:32 - 05:00BWI-MEL
25h 28m1 stop
American Airlines Logo
15:05 - 23:22MEL-BWI
22h 17m1 stop
$1,927American Airlines
Find Deal
Wed, 17 Sep - Wed, 24 Sep

Fiji Airways flights from Washington, D.C. to Australia

Our best Fiji Airways deals on Washington, D.C. to Australia flight tickets
Fiji Airways
10 Feb
DCA17:11Washington, D.C. Reagan-National
27h 19m
2 stops
SYD12:30Sydney Kingsford Smith
10 Mar
SYD14:10Sydney Kingsford Smith
23h 50m
2 stops
DCA23:00Washington, D.C. Reagan-National
Fiji Airways
10 Feb
DCA17:11Washington, D.C. Reagan-National
25h 59m
2 stops
BNE10:10Brisbane
19 Feb
BNE11:25Brisbane
24h 32m
2 stops
DCA20:57Washington, D.C. Reagan-National
Fiji Airways
31 Jan
DCA17:11Washington, D.C. Reagan-National
27h 19m
2 stops
SYD12:30Sydney Kingsford Smith
14 Mar
SYD14:10Sydney Kingsford Smith
23h 50m
2 stops
DCA23:00Washington, D.C. Reagan-National

Qatar Airways flights from Washington, D.C. to Australia

Our best Qatar Airways deals on Washington, D.C. to Australia flight tickets
Qatar Airways
9 Sept
IAD21:00Washington, D.C. Dulles Intl
30h 10m
1 stop
SYD17:10Sydney Kingsford Smith
18 Sept
SYD20:45Sydney Kingsford Smith
32h 55m
1 stop
IAD15:40Washington, D.C. Dulles Intl
Qatar Airways
2 Sept
IAD21:00Washington, D.C. Dulles Intl
30h 10m
1 stop
SYD17:10Sydney Kingsford Smith
8 Sept
SYD20:45Sydney Kingsford Smith
32h 55m
1 stop
IAD15:40Washington, D.C. Dulles Intl
Qatar Airways
12 Sept
IAD21:00Washington, D.C. Dulles Intl
30h 10m
1 stop
SYD17:10Sydney Kingsford Smith
17 Sept
SYD20:45Sydney Kingsford Smith
32h 55m
1 stop
IAD15:40Washington, D.C. Dulles Intl

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. 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 30 August 2025.
Use the filters below to find and compare flights from Washington, D.C. to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 9/9

08:12-07:05

2 stops32h 53m

Sydney Kingsford Smith

Fri 3/10

12:10-00:17

2 stops26h 07m

$1,560

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sat 8/11

15:22-06:30

1 stop24h 08m

Brisbane

Sat 22/11

09:40-14:13

1 stop19h 33m

$1,562

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Wed 5/11

15:23-06:30

1 stop24h 07m

Brisbane

Sun 16/11

09:40-22:54

1 stop28h 14m

$1,618

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 10/2

17:11-12:30

2 stops27h 19m

Sydney Kingsford Smith

Tue 10/3

14:10-23:00

2 stops23h 50m

$1,627

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Wed 5/11

08:30-07:30

1 stop32h 00m

Brisbane

Sat 15/11

11:40-17:28

1 stop20h 48m

$1,630

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Wed 5/11

13:41-08:20

2 stops27h 39m

Brisbane

Sun 16/11

10:45-20:44

2 stops24h 59m

$1,637

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Wed 5/11

16:12-07:30

2 stops24h 18m

Brisbane

Mon 17/11

11:40-17:28

1 stop20h 48m

$1,638

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Tue 16/12

16:39-07:45

2 stops48h 06m

Brisbane

Wed 24/12

10:45-23:51

2 stops28h 06m

$1,663

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Tue 10/2

17:11-10:10

2 stops25h 59m

Brisbane

Thu 19/2

11:25-20:57

2 stops24h 32m

$1,727

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Wed 17/9

13:32-05:00

1 stop25h 28m

Melbourne

Wed 24/9

15:05-23:22

1 stop22h 17m

$1,927

Flights are sorted by cheapest return 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. 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, August is the cheapest month to fly from Washington, D.C. to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,328. If you don’t want to visit Australia in August, then you should wait until April to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $1,389.

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 afternoon. momondo users have found flights departing from Washington, D.C. to Australia in the afternoon for as low as $2,293. 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 morning, with an average ticket price of $3,106. Departure times in the morning 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. when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $2,298 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. for as low as $1,744 on momondo.

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

You could potentially save up to 28% on your flight if you consider stops on a Washington, D.C. to Australia flight.

Cheap Washington, D.C. to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Australia

Direct flights

None
There are no direct flights from Washington, D.C. to Australia. There are no popular flight routes from Washington, D.C. to Australia.
  • When did momondo last update prices for flights from Washington, D.C. to Australia?

    Prices for flights from Washington, D.C. to Australia are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. to Australia?

  • How old do you have to be to fly from Washington, D.C. 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. to Australia.

  • What documentation or ID do you need to fly to Australia?

    The travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. to Australia

Compare and see reviews for airlines that fly from Washington, D.C. to Australia with momondo
Airline
Rating
Free cancellation
Price
United AirlinesPriceFrom $1,772Free cancellationRating
7.4
8,941 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Australia?

Finding the right flight to Australia from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Australia quick and easy, saving you time and money.

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?

If you are not ready to book a flight from Washington, D.C. to Australia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Australia and let you know when they change.

An easier way to manage your Australia trip

We make it super easy to schedule, organise 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
Thu 4/9
Thu 11/9

Find better results for your trip to Australia