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Cheap flights from Washington, D.C. to Australia from $461

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 2/27. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
9:45 am - 9:35 am
IAD
-
SYD
31h 50m2 stops
Air Canada Logo
9:20 am - 6:25 am
SYD
-
IAD
35h 05m1 stop
$998Air Canada
mar., feb. 17 - mar., may. 26
Air Canada Logo
1:13 pm - 9:35 am
IAD
-
SYD
28h 22m2 stops
Air Canada Logo
9:20 am - 6:25 am
SYD
-
IAD
35h 05m1 stop
$999Air Canada
mar., feb. 17 - mar., may. 26
Air Canada Logo
8:15 am - 7:05 am
IAD
-
BNE
32h 50m2 stops
Air Canada Logo
10:00 am - 8:32 pm
BNE
-
IAD
24h 32m2 stops
$999Air Canada
lun., may. 4 - mar., may. 12
American Airlines Logo
6:00 am - 5:00 am
BWI
-
BNE
33h 00m2 stops
American Airlines Logo
8:35 pm - 11:35 am
BNE
-
BWI
29h 00m2 stops
$1,019American Airlines
vie., mar. 27 - sáb., abr. 4
American Airlines Logo
3:22 pm - 6:30 am
BWI
-
BNE
24h 08m1 stop
American Airlines Logo
8:40 am - 10:59 pm
BNE
-
BWI
28h 19m1 stop
$1,029American Airlines
lun., mar. 2 - vie., mar. 13
United Airlines Logo
8:42 am - 7:30 am
BWI
-
BNE
31h 48m1 stop
United Airlines Logo
10:40 am - 5:20 pm
BNE
-
BWI
20h 40m1 stop
$1,037United Airlines
sáb., feb. 21 - sáb., mar. 21
United Airlines Logo
8:00 am - 7:30 am
BWI
-
BNE
32h 30m2 stops
United Airlines Logo
11:40 am - 5:20 pm
BNE
-
BWI
20h 40m1 stop
$1,041United Airlines
dom., feb. 15 - jue., feb. 19
Qantas Airways Logo
3:41 pm - 9:55 pm
BWI
-
SYD
38h 14m2 stops
Qantas Airways Logo
2:05 pm - 10:57 pm
SYD
-
BWI
24h 52m1 stop
$1,095Qantas Airways
vie., feb. 6 - sáb., feb. 21
Qantas Airways Logo
3:41 pm - 6:55 am
BWI
-
SYD
23h 14m1 stop
Qantas Airways Logo
6:05 am - 2:49 pm
SYD
-
BWI
24h 44m2 stops
$1,104Qantas Airways
mié., ene. 28 - mié., feb. 4
Delta Logo
7:32 pm - 8:00 am
IAD
-
MEL
44h 28m2 stops
Delta Logo
9:10 am - 8:54 pm
MEL
-
IAD
26h 44m2 stops
$1,216Delta
mar., mar. 3 - mié., mar. 18

Air Canada flights from Washington, D.C. to Australia

Our best Air Canada deals on Washington, D.C. to Australia flight tickets
Air Canada
Feb 17
IAD9:45 amWashington, D.C. Dulles Intl
31h 50m
2 stops
SYD9:35 amSydney Kingsford Smith
May 26
SYD9:20 amSydney Kingsford Smith
35h 05m
1 stop
IAD6:25 amWashington, D.C. Dulles Intl
$998
Find similar
Air Canada
Feb 17
IAD1:13 pmWashington, D.C. Dulles Intl
28h 22m
2 stops
SYD9:35 amSydney Kingsford Smith
May 26
SYD9:20 amSydney Kingsford Smith
35h 05m
1 stop
IAD6:25 amWashington, D.C. Dulles Intl
$999
Find similar
Air Canada
Feb 17
IAD9:45 amWashington, D.C. Dulles Intl
31h 50m
2 stops
SYD9:35 amSydney Kingsford Smith
May 26
SYD9:20 amSydney Kingsford Smith
39h 56m
2 stops
IAD11:16 amWashington, D.C. Dulles Intl
$1,002
Find similar

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

Our best Qantas Airways deals on Washington, D.C. to Australia flight tickets
Qantas Airways
Dec 12
BWI3:16 pmBaltimore/Washington
24h 14m
1 stop
BNE6:30 amBrisbane
Dec 26
BNE9:40 amBrisbane
19h 41m
1 stop
BWI2:21 pmBaltimore/Washington
$1,005
Find similar
Qantas Airways
Dec 12
BWI3:16 pmBaltimore/Washington
24h 14m
1 stop
BNE6:30 amBrisbane
Dec 19
BNE9:40 amBrisbane
19h 41m
1 stop
BWI2:21 pmBaltimore/Washington
$1,081
Find similar
Qantas Airways
Feb 6
BWI3:41 pmBaltimore/Washington
38h 14m
2 stops
SYD9:55 pmSydney Kingsford Smith
Feb 21
SYD2:05 pmSydney Kingsford Smith
24h 52m
1 stop
BWI10:57 pmBaltimore/Washington
$1,095
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated diciembre 4, 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

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

mar. 2/17

9:45 am-9:35 am

2 stops31h 50m

Sydney Kingsford Smith

mar. 5/26

9:20 am-6:25 am

1 stop35h 05m

$998

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

mar. 2/17

1:13 pm-9:35 am

2 stops28h 22m

Sydney Kingsford Smith

mar. 5/26

9:20 am-6:25 am

1 stop35h 05m

$999

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

lun. 5/4

8:15 am-7:05 am

2 stops32h 50m

Brisbane

mar. 5/12

10:00 am-8:32 pm

2 stops24h 32m

$999

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

vie. 3/27

6:00 am-5:00 am

2 stops33h 00m

Brisbane

sáb. 4/4

8:35 pm-11:35 am

2 stops29h 00m

$1,019

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

lun. 3/2

3:22 pm-6:30 am

1 stop24h 08m

Brisbane

vie. 3/13

8:40 am-10:59 pm

1 stop28h 19m

$1,029

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

sáb. 2/21

8:42 am-7:30 am

1 stop31h 48m

Brisbane

sáb. 3/21

10:40 am-5:20 pm

1 stop20h 40m

$1,037

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

dom. 2/15

8:00 am-7:30 am

2 stops32h 30m

Brisbane

jue. 2/19

11:40 am-5:20 pm

1 stop20h 40m

$1,041

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

vie. 2/6

3:41 pm-9:55 pm

2 stops38h 14m

Sydney Kingsford Smith

sáb. 2/21

2:05 pm-10:57 pm

1 stop24h 52m

$1,095

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

mié. 1/28

3:41 pm-6:55 am

1 stop23h 14m

Sydney Kingsford Smith

mié. 2/4

6:05 am-2:49 pm

2 stops24h 44m

$1,104

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

mar. 3/3

7:32 pm-8:00 am

2 stops44h 28m

Melbourne

mié. 3/18

9:10 am-8:54 pm

2 stops26h 44m

$1,216

Flights are sorted by cheapest round-trip 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. 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 August is, on average, the cheapest month to fly to Australia from Washington, D.C., with most prices found around $862. If you aren’t able to travel during the month of August, then book flights to Australia from Washington, D.C. during April instead. Flights to Australia in April, while not as cheap as those in August, still average around $885.

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

The cheapest day to depart from Washington, D.C. to Australia is on a Tuesday. Travelers who choose to depart for Australia on a Tuesday will often find tickets for as low as $1,260. On the other hand, Monday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,520.

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

Flying to Australia from Washington, D.C. in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,368 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,647 on average. Flights to Australia from Washington, D.C. in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $1,253 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. for as low as $623 on momondo.

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

You could potentially save up to 17% 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

Fastest flight time

21h 15m

Direct flights

None
The fastest flight from Washington, D.C. to Australia takes 21h 15m
There are no direct flights from Washington, D.C. to Australia. There are no popular flight routes from Washington, D.C. to Australia.
Search flight deals

  • When did momondo last update prices for flights from Washington, D.C. to Australia?

    Prices for flights from Washington, D.C. to Australia refresh daily.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Australia.

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

    The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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
DeltaPriceFrom $276Free CancellationRating
7.9
8,011 reviews
Search Delta flights
United AirlinesPriceFrom $327Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $692Free CancellationRating
7.5
947 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $818Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
Air CanadaPriceFrom $839Free CancellationRating
7.1
10,500 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,257Free CancellationRating
8.0
544 reviews
Search Air New Zealand flights
ANAPriceFrom $1,370Free CancellationRating
8.4
1,017 reviews
Search ANA flights
Qatar AirwaysPriceFrom $1,961Free CancellationRating
7.4
3,678 reviews
Search Qatar Airways flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Australia for you.

Can I find flights from Washington, D.C. to Australia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Australia flights to just show those with flexible booking policies.

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?

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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