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Cheap flights from Washington, D.C. Reagan-National Airport to Sydney from $552

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 Sydney departing on 1/26. 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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0 bags

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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
8:40 pm - 9:35 am
DCA
-
SYD
44h 55m2 stops
Air Canada Logo
11:20 am - 9:58 pm
SYD
-
DCA
26h 38m2 stops
$1,006Air Canada
Mon, Feb 2 - Tue, Feb 17
Air Canada Logo
4:11 pm - 9:35 am
DCA
-
SYD
25h 24m2 stops
Air Canada Logo
11:20 am - 7:59 pm
SYD
-
DCA
24h 39m2 stops
$1,007Air Canada
Sun, Feb 1 - Sun, Feb 15
Air Canada Logo
8:40 pm - 9:35 am
DCA
-
SYD
44h 55m2 stops
Air Canada Logo
11:20 am - 10:23 am
SYD
-
DCA
39h 03m3 stops
$1,013Air Canada
Mon, Feb 2 - Tue, Feb 17
Air Canada Logo
8:40 pm - 9:35 am
DCA
-
SYD
44h 55m2 stops
Air Canada Logo
11:20 am - 10:23 am
SYD
-
DCA
39h 03m3 stops
$1,014Air Canada
Mon, Feb 2 - Sun, Feb 8
Air Canada Logo
11:05 am - 9:35 am
DCA
-
SYD
30h 30m2 stops
Air Canada Logo
11:20 am - 9:58 pm
SYD
-
DCA
26h 38m2 stops
$1,045Air Canada
Fri, Feb 6 - Sun, Feb 15
Air Canada Logo
11:05 am - 9:35 am
DCA
-
SYD
30h 30m2 stops
Air Canada Logo
11:20 am - 10:23 am
SYD
-
DCA
39h 03m3 stops
$1,052Air Canada
Fri, Feb 6 - Sun, Feb 15
Air Canada Logo
12:55 pm - 9:35 am
DCA
-
SYD
28h 40m2 stops
Air Canada Logo
11:20 am - 7:55 am
SYD
-
DCA
36h 35m2 stops
$1,066Air Canada
Sun, Mar 1 - Sun, Mar 8
Air Canada Logo
9:40 am - 9:35 am
DCA
-
SYD
31h 55m2 stops
Air Canada Logo
11:20 am - 10:23 am
SYD
-
DCA
39h 03m3 stops
$1,075Air Canada
Sun, Feb 1 - Sun, Feb 15
Air Canada Logo
11:05 am - 9:35 am
DCA
-
SYD
30h 30m2 stops
Air Canada Logo
11:20 am - 9:58 pm
SYD
-
DCA
26h 38m2 stops
$1,088Air Canada
Fri, Feb 6 - Sat, Feb 21
Air Canada Logo
11:05 am - 9:35 am
DCA
-
SYD
30h 30m2 stops
Air Canada Logo
11:20 am - 10:35 pm
SYD
-
DCA
27h 15m2 stops
$1,091Air Canada
Thu, Feb 5 - Thu, Mar 5

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

Our best Qantas Airways deals on Washington, D.C. Reagan-National Airport to Sydney flight tickets
Qantas Airways
Feb 2
DCA5:30 pmWashington, D.C. Reagan-National
23h 30m
1 stop
SYD9:00 amSydney Kingsford Smith
Feb 12
SYD2:05 pmSydney Kingsford Smith
20h 36m
1 stop
DCA6:41 pmWashington, D.C. Reagan-National
$1,184
Find similar
Qantas Airways
Feb 1
DCA5:30 pmWashington, D.C. Reagan-National
23h 30m
1 stop
SYD9:00 amSydney Kingsford Smith
Feb 10
SYD2:05 pmSydney Kingsford Smith
20h 36m
1 stop
DCA6:41 pmWashington, D.C. Reagan-National
$1,196
Find similar
Qantas Airways
Feb 20
DCA1:32 pmWashington, D.C. Reagan-National
25h 23m
1 stop
SYD6:55 amSydney Kingsford Smith
Mar 1
SYD2:05 pmSydney Kingsford Smith
20h 36m
1 stop
DCA6:41 pmWashington, D.C. Reagan-National
$1,228
Find similar

United Airlines flights from Washington, D.C. Reagan-National Airport to Sydney

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Sydney flight tickets
United Airlines
Jan 12
DCA7:00 amWashington, D.C. Reagan-National
31h 20m
1 stop
SYD6:20 amSydney Kingsford Smith
Jan 25
SYD11:50 amSydney Kingsford Smith
25h 06m
1 stop
DCA8:56 pmWashington, D.C. Reagan-National
$1,206
Find similar
United Airlines
Jan 25
DCA5:59 pmWashington, D.C. Reagan-National
23h 16m
1 stop
SYD9:15 amSydney Kingsford Smith
Feb 1
SYD11:20 amSydney Kingsford Smith
24h 12m
2 stops
DCA7:32 pmWashington, D.C. Reagan-National
$1,217
Find similar
United Airlines
Jan 14
DCA7:00 amWashington, D.C. Reagan-National
34h 15m
1 stop
SYD9:15 amSydney Kingsford Smith
Jan 25
SYD11:50 amSydney Kingsford Smith
20h 07m
1 stop
DCA3:57 pmWashington, D.C. Reagan-National
$1,225
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Sydney 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 11, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 2/2

8:40 pm-9:35 am

2 stops44h 55m

Sydney Kingsford Smith

Tue 2/17

11:20 am-9:58 pm

2 stops26h 38m

$1,006

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 2/1

4:11 pm-9:35 am

2 stops25h 24m

Sydney Kingsford Smith

Sun 2/15

11:20 am-7:59 pm

2 stops24h 39m

$1,007

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 2/2

8:40 pm-9:35 am

2 stops44h 55m

Sydney Kingsford Smith

Tue 2/17

11:20 am-10:23 am

3 stops39h 03m

$1,013

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 2/2

8:40 pm-9:35 am

2 stops44h 55m

Sydney Kingsford Smith

Sun 2/8

11:20 am-10:23 am

3 stops39h 03m

$1,014

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 2/6

11:05 am-9:35 am

2 stops30h 30m

Sydney Kingsford Smith

Sun 2/15

11:20 am-9:58 pm

2 stops26h 38m

$1,045

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 2/6

11:05 am-9:35 am

2 stops30h 30m

Sydney Kingsford Smith

Sun 2/15

11:20 am-10:23 am

3 stops39h 03m

$1,052

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 3/1

12:55 pm-9:35 am

2 stops28h 40m

Sydney Kingsford Smith

Sun 3/8

11:20 am-7:55 am

2 stops36h 35m

$1,066

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 2/1

9:40 am-9:35 am

2 stops31h 55m

Sydney Kingsford Smith

Sun 2/15

11:20 am-10:23 am

3 stops39h 03m

$1,075

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 2/6

11:05 am-9:35 am

2 stops30h 30m

Sydney Kingsford Smith

Sat 2/21

11:20 am-9:58 pm

2 stops26h 38m

$1,088

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Thu 2/5

11:05 am-9:35 am

2 stops30h 30m

Sydney Kingsford Smith

Thu 3/5

11:20 am-10:35 pm

2 stops27h 15m

$1,091

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Sydney from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Sydney

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 Sydney?

In general, March is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $864. If you are unable to visit Sydney during the month of March, then departing from Washington, D.C. Reagan-National Airport during the month February is also very affordable. Most momondo users find prices during this month for around $882.

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

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Sydney is on a Tuesday when prices can be found for as low as $1,353. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,485.

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

According to our data, the cheapest time of day to fly to Sydney is at noon. momondo users have found flights departing from Washington, D.C. Reagan-National Airport to Sydney at noon for as low as $1,219. 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 Sydney are more costly in the evening, with an average ticket price of $1,464. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

You could potentially save up to 22% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Sydney flight.

When to book flights from Washington, D.C. Reagan-National Airport to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Sydney (DCA to SYD) flight deals and tips

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

Fastest flight time

23h 16m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Sydney takes 23h 16m
There are no direct flights from Washington, D.C. Reagan-National Airport to Sydney. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Sydney.
Search flight deals

  • How far is Washington, D.C. Reagan-National to Sydney Kingsford Smith by plane?

    The straight-line distance from Washington, D.C. Reagan-National to Sydney Kingsford Smith is 9755.0 mi. In terms of flight time, this usually takes a little over 23h 16m.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Sydney Kingsford Smith Airport were last updated today.

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

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Sydney Kingsford Smith Airport?

    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 layovers 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. Reagan-National Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The required travel and health documents for your Sydney Kingsford Smith Airport 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 license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Washington, D.C. Reagan-National Airport to Sydney?

Best airlines flying from Washington, D.C. Reagan-National Airport to Sydney

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Sydney with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $346Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
American AirlinesPriceFrom $833Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $837Free CancellationRating
7.5
947 reviews
Search Qantas Airways flights
DeltaPriceFrom $850Free CancellationRating
7.9
8,005 reviews
Search Delta flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Katoomba
Wollongong
Randwick
Coogee
Manly
Penrith
Cronulla
Lithgow
Leura
Charlestown
Terrigal
Swansea

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Sydney. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Sydney from Washington, D.C. with this policy.

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

momondo provides multiple filters to help you find the best flight to Sydney from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Washington, D.C. to Sydney right now. Can momondo alert me if prices change?

Price alerts on flights to Sydney from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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