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Cheap flights from Washington, D.C. Reagan-National Airport to Australia from $472

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. Reagan-National Airport to Australia departing on 2/28. 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. Reagan-National Airport to Australia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
9:40 am - 7:05 am
DCA
-
BNE
31h 25m2 stops
Air Canada Logo
10:00 am - 9:48 pm
BNE
-
DCA
25h 48m2 stops
$1,002Air Canada
Mon, May 25 - Wed, Jun 3
Air Canada Logo
12:55 pm - 9:35 am
DCA
-
SYD
28h 40m2 stops
Air Canada Logo
11:20 am - 7:59 pm
SYD
-
DCA
24h 39m2 stops
$1,002Air Canada
Sun, Feb 1 - Sun, Feb 15
Multiple Airlines Logo
9:40 am - 8:45 am
DCA
-
BNE
32h 05m2 stops
Multiple Airlines Logo
6:10 am - 7:59 pm
BNE
-
DCA
28h 49m3 stops
$1,068Multiple Airlines
Tue, Jan 13 - Sat, Feb 7
Qantas Airways Logo
11:50 am - 5:00 am
DCA
-
MEL
25h 10m1 stop
Qantas Airways Logo
4:05 pm - 8:47 pm
MEL
-
DCA
20h 42m1 stop
$1,170Qantas Airways
Sat, Jan 17 - Sat, Feb 21
Multiple Airlines Logo
11:50 am - 5:00 am
DCA
-
MEL
25h 10m1 stop
Multiple Airlines Logo
12:00 pm - 8:05 pm
MEL
-
DCA
24h 05m1 stop
$1,181Multiple Airlines
Thu, Jan 29 - Fri, Feb 13
Qantas Airways Logo
4:59 pm - 9:30 am
DCA
-
MEL
25h 31m1 stop
Qantas Airways Logo
2:35 pm - 8:57 pm
MEL
-
DCA
21h 22m1 stop
$1,185Qantas Airways
Sat, Mar 21 - Wed, Apr 1
United Airlines Logo
4:28 pm - 8:30 am
DCA
-
MEL
25h 02m2 stops
United Airlines Logo
10:55 am - 9:06 pm
MEL
-
DCA
24h 11m2 stops
$1,203United Airlines
Wed, Mar 25 - Tue, Apr 21
United Airlines Logo
12:47 pm - 10:00 am
DCA
-
MEL
29h 13m2 stops
United Airlines Logo
10:55 am - 9:53 pm
MEL
-
DCA
24h 58m1 stop
$1,205United Airlines
Tue, Mar 3 - Sun, Apr 19
Cathay Pacific Logo
11:54 am - 10:40 pm
DCA
-
PER
46h 46m2 stops
Cathay Pacific Logo
9:15 am - 8:41 pm
PER
-
DCA
47h 26m2 stops
$1,418Cathay Pacific
Tue, Apr 7 - Mon, Apr 13
Cathay Pacific Logo
11:54 am - 10:40 pm
DCA
-
PER
46h 46m2 stops
Cathay Pacific Logo
12:10 am - 8:00 pm
PER
-
DCA
55h 50m2 stops
$1,530Cathay Pacific
Sun, May 10 - Fri, May 22

Qantas Airways flights from Washington, D.C. Reagan-National Airport to Australia

Our best Qantas Airways deals on Washington, D.C. Reagan-National Airport to Australia flight tickets
Qantas Airways
Feb 27
DCA8:30 amWashington, D.C. Reagan-National
32h 30m
1 stop
SYD9:00 amSydney Kingsford Smith
Mar 9
SYD1:05 pmSydney Kingsford Smith
24h 55m
1 stop
DCA11:00 pmWashington, D.C. Reagan-National
$1,159
Find similar
Qantas Airways
Feb 5
DCA8:40 amWashington, D.C. Reagan-National
32h 20m
1 stop
SYD9:00 amSydney Kingsford Smith
Mar 5
SYD2:05 pmSydney Kingsford Smith
20h 36m
1 stop
DCA6:41 pmWashington, D.C. Reagan-National
$1,160
Find similar
Qantas Airways
Jan 14
DCA9:59 amWashington, D.C. Reagan-National
29h 26m
1 stop
SYD7:25 amSydney Kingsford Smith
Jan 25
SYD2:05 pmSydney Kingsford Smith
22h 55m
1 stop
DCA9:00 pmWashington, D.C. Reagan-National
$1,161
Find similar

Air Canada flights from Washington, D.C. Reagan-National Airport to Australia

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Australia flight tickets
Air Canada
Feb 1
DCA12:55 pmWashington, D.C. Reagan-National
28h 40m
2 stops
SYD9:35 amSydney Kingsford Smith
Feb 15
SYD11:20 amSydney Kingsford Smith
24h 39m
2 stops
DCA7:59 pmWashington, D.C. Reagan-National
$1,002
Find similar
Air Canada
Jan 31
DCA8:40 pmWashington, D.C. Reagan-National
44h 55m
2 stops
SYD9:35 amSydney Kingsford Smith
Feb 10
SYD11:20 amSydney Kingsford Smith
26h 38m
2 stops
DCA9:58 pmWashington, D.C. Reagan-National
$1,005
Find similar
Air Canada
Feb 1
DCA11:05 amWashington, D.C. Reagan-National
30h 30m
2 stops
SYD9:35 amSydney Kingsford Smith
Feb 15
SYD11:20 amSydney Kingsford Smith
39h 03m
3 stops
DCA10:23 amWashington, D.C. Reagan-National
$1,008
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National 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 December 4, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Mon 5/25

9:40 am-7:05 am

2 stops31h 25m

Brisbane

Wed 6/3

10:00 am-9:48 pm

2 stops25h 48m

$1,002

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 2/1

12:55 pm-9:35 am

2 stops28h 40m

Sydney Kingsford Smith

Sun 2/15

11:20 am-7:59 pm

2 stops24h 39m

$1,002

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Tue 1/13

9:40 am-8:45 am

2 stops32h 05m

Brisbane

Sat 2/7

6:10 am-7:59 pm

3 stops28h 49m

$1,068

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Sat 1/17

11:50 am-5:00 am

1 stop25h 10m

Melbourne

Sat 2/21

4:05 pm-8:47 pm

1 stop20h 42m

$1,170

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Thu 1/29

11:50 am-5:00 am

1 stop25h 10m

Melbourne

Fri 2/13

12:00 pm-8:05 pm

1 stop24h 05m

$1,181

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Sat 3/21

4:59 pm-9:30 am

1 stop25h 31m

Melbourne

Wed 4/1

2:35 pm-8:57 pm

1 stop21h 22m

$1,185

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Wed 3/25

4:28 pm-8:30 am

2 stops25h 02m

Melbourne

Tue 4/21

10:55 am-9:06 pm

2 stops24h 11m

$1,203

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Tue 3/3

12:47 pm-10:00 am

2 stops29h 13m

Melbourne

Sun 4/19

10:55 am-9:53 pm

1 stop24h 58m

$1,205

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Tue 4/7

11:54 am-10:40 pm

2 stops46h 46m

Perth

Mon 4/13

9:15 am-8:41 pm

2 stops47h 26m

$1,418

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Sun 5/10

11:54 am-10:40 pm

2 stops46h 46m

Perth

Fri 5/22

12:10 am-8:00 pm

2 stops55h 50m

$1,530

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. Reagan-National 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 March is, on average, the cheapest month to fly to Australia from Washington, D.C. Reagan-National Airport, with most prices found around $864. If you aren’t able to travel during the month of March, then book flights to Australia from Washington, D.C. Reagan-National Airport during August instead. Flights to Australia in August, while not as cheap as those in March, still average around $867.

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

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Australia is on a Thursday. Travelers who choose to depart for Australia on a Thursday will often find tickets for as low as $925. On the other hand, Saturday is the most expensive day to depart from Washington, D.C. Reagan-National Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,751.

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

Flying to Australia from Washington, D.C. Reagan-National Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $910 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,498 on average. Flights to Australia from Washington, D.C. Reagan-National Airport in the afternoon 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. Reagan-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,230 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. Reagan-National Airport for as low as $842 on momondo.

Can stopping save me money on Washington, D.C. Reagan-National Airport to Australia flights?

You could potentially save up to 29% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Australia flight.

Cheap Washington, D.C. Reagan-National Airport to Australia flight deals and tips

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

Fastest flight time

21h 15m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Australia takes 21h 15m
There are no direct flights from Washington, D.C. Reagan-National Airport to Australia. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Australia.
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  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Australia?

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

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

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

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Australia with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $346Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $807Free CancellationRating
7.5
947 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $818Free CancellationRating
7.2
11,044 reviews
Search American Airlines flights
DeltaPriceFrom $850Free CancellationRating
7.9
8,009 reviews
Search Delta flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Australia. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Australia from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to Australia?

Once all potential Washington, D.C. to Australia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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.

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