What airlines fly to Sydney?

American Airlines, Qantas Airways and Delta are the top three most popular airlines that fly to Sydney from Washington, D.C. Reagan-National Airport according to our data. American Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 4 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Washington, D.C. Reagan-National Airport to Sydney?

Flights via Chicago (ORD) offer the lowest average round-trip price of $346.

Which layover airport has the shortest travel time from Washington, D.C. Reagan-National Airport to Sydney?

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 7h 09m.

Which layover airport has the shortest connection time from Washington, D.C. Reagan-National Airport to Sydney?

Chicago (ORD) has the shortest average layover time for this route: 0h 39m.

Which airport is the most popular layover for flights between Washington, D.C. Reagan-National Airport and Sydney?

Dallas (DFW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

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

As of February 2026, there are 4 operators available to choose from for flights 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.

$495 Cheap Flights from Washington, D.C. Reagan-National Airport to Sydney in 2026

Q: What is the typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Sydney?

Prices are currently typical for flights on this route. Typical prices usually range from $934 to $1,321. The lowest price recently found on this route was $1,261.

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:55 pm - 8:45 am

DCA

SYD

27h 50m

2 stops

7:20 pm - 11:59 pm

SYD

DCA

42h 39m

2 stops

$1,261Air New Zealand

Wed, Jun 3 - Tue, Jun 16

4:59 pm - 9:50 am

DCA

SYD

25h 51m

2 stops

12:00 pm - 10:56 pm

SYD

DCA

24h 56m

1 stop

$1,271Qantas Airways

Sun, Mar 15 - Wed, Apr 8

6:00 am - 8:45 am

DCA

SYD

36h 45m

2 stops

7:20 pm - 10:14 pm

SYD

DCA

40h 54m

2 stops

$1,272Air New Zealand

Mon, Jul 6 - Tue, Jul 14

2:14 pm - 6:55 am

DCA

SYD

25h 41m

1 stop

6:30 am - 2:54 pm

SYD

DCA

23h 24m

2 stops

$1,280Qantas Airways

Mon, Mar 16 - Mon, Mar 23

2:33 pm - 6:10 pm

DCA

SYD

36h 37m

2 stops

7:20 pm - 10:14 pm

SYD

DCA

40h 54m

2 stops

$1,281Air New Zealand

Wed, Apr 1 - Tue, Apr 28

4:59 pm - 6:55 am

DCA

SYD

22h 56m

1 stop

9:55 pm - 2:54 pm

SYD

DCA

31h 59m

2 stops

$1,283Qantas Airways

Sun, Mar 15 - Sun, Mar 22

4:34 pm - 8:45 am

DCA

SYD

26h 11m

2 stops

11:55 am - 10:15 pm

SYD

DCA

24h 20m

2 stops

$1,288Air New Zealand

Wed, May 13 - Sat, May 23

7:55 am - 8:45 am

DCA

SYD

34h 50m

2 stops

11:55 am - 11:45 pm

SYD

DCA

25h 50m

2 stops

$1,290Air New Zealand

Tue, Aug 4 - Sat, Aug 29

11:05 am - 7:20 am

DCA

SYD

30h 15m

3 stops

9:20 am - 10:43 pm

SYD

DCA

27h 23m

2 stops

$1,291Air Canada

Wed, Apr 8 - Wed, Apr 15

4:34 pm - 8:45 am

DCA

SYD

26h 11m

2 stops

6:55 pm - 11:59 pm

SYD

DCA

43h 04m

2 stops

$1,293Air New Zealand

Mon, May 18 - Sun, May 24

Air New Zealand flights from Washington, D.C. Reagan-National Airport to Sydney

Our best Air New Zealand deals on Washington, D.C. Reagan-National Airport to Sydney flight tickets

Air New Zealand

Jun 3

DCA2:55 pmWashington, D.C. Reagan-National

29h 45m

2 stops

SYD10:40 amSydney Kingsford Smith

Jun 16

SYD7:20 pmSydney Kingsford Smith

42h 39m

2 stops

DCA11:59 pmWashington, D.C. Reagan-National

$1,261

Air New Zealand

Jul 6

DCA6:00 amWashington, D.C. Reagan-National

36h 45m

2 stops

SYD8:45 amSydney Kingsford Smith

Jul 14

SYD7:20 pmSydney Kingsford Smith

40h 54m

2 stops

DCA10:14 pmWashington, D.C. Reagan-National

$1,272

Air New Zealand

Apr 1

DCA2:33 pmWashington, D.C. Reagan-National

36h 37m

2 stops

SYD6:10 pmSydney Kingsford Smith

Apr 28

SYD7:20 pmSydney Kingsford Smith

42h 39m

2 stops

DCA11:59 pmWashington, D.C. Reagan-National

$1,281

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

Mar 15

DCA4:59 pmWashington, D.C. Reagan-National

25h 51m

2 stops

SYD9:50 amSydney Kingsford Smith

Apr 8

SYD12:00 pmSydney Kingsford Smith

24h 56m

1 stop

DCA10:56 pmWashington, D.C. Reagan-National

$1,271

Qantas Airways

Mar 16

DCA2:14 pmWashington, D.C. Reagan-National

25h 41m

1 stop

SYD6:55 amSydney Kingsford Smith

Mar 23

SYD6:30 amSydney Kingsford Smith

23h 24m

2 stops

DCA2:54 pmWashington, D.C. Reagan-National

$1,280

Qantas Airways

Mar 15

DCA4:59 pmWashington, D.C. Reagan-National

22h 56m

1 stop

SYD6:55 amSydney Kingsford Smith

Mar 22

SYD9:55 pmSydney Kingsford Smith

31h 59m

2 stops

DCA2:54 pmWashington, D.C. Reagan-National

$1,283

momondo Fare Finder

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

Wed 6/3

2:55 pm-8:45 am

2 stops27h 50m

Sydney Kingsford Smith

Tue 6/16

7:20 pm-11:59 pm

2 stops42h 39m

$1,261

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 3/15

4:59 pm-9:50 am

2 stops25h 51m

Sydney Kingsford Smith

Wed 4/8

12:00 pm-10:56 pm

1 stop24h 56m

$1,271

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 7/6

6:00 am-8:45 am

2 stops36h 45m

Sydney Kingsford Smith

Tue 7/14

7:20 pm-10:14 pm

2 stops40h 54m

$1,272

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 3/16

2:14 pm-6:55 am

1 stop25h 41m

Sydney Kingsford Smith

Mon 3/23

6:30 am-2:54 pm

2 stops23h 24m

$1,280

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 4/1

2:33 pm-6:10 pm

2 stops36h 37m

Sydney Kingsford Smith

Tue 4/28

7:20 pm-10:14 pm

2 stops40h 54m

$1,281

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 3/15

4:59 pm-6:55 am

1 stop22h 56m

Sydney Kingsford Smith

Sun 3/22

9:55 pm-2:54 pm

2 stops31h 59m

$1,283

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 5/13

4:34 pm-8:45 am

2 stops26h 11m

Sydney Kingsford Smith

Sat 5/23

11:55 am-10:15 pm

2 stops24h 20m

$1,288

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 8/4

7:55 am-8:45 am

2 stops34h 50m

Sydney Kingsford Smith

Sat 8/29

11:55 am-11:45 pm

2 stops25h 50m

$1,290

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 4/8

11:05 am-7:20 am

3 stops30h 15m

Sydney Kingsford Smith

Wed 4/15

9:20 am-10:43 pm

2 stops27h 23m

$1,291

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 5/18

4:34 pm-8:45 am

2 stops26h 11m

Sydney Kingsford Smith

Sun 5/24

6:55 pm-11:59 pm

2 stops43h 04m

$1,293

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Sydney?

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 $935. 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 $975.

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

You could potentially save up to 53% 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	22h 56m
Direct flights	None

The fastest flight from Washington, D.C. Reagan-National Airport to Sydney takes 22h 56m

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 22h 56m.
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?
As of February 2026, there are 4 operators available to choose from 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?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. Reagan-National Airport to Sydney is American Airlines, representing 45% of all bookings. The subsequent popular airlines are Qantas Airways at 26%, Delta at 17%, and United Airlines at 11%.

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 Airlines	PriceFrom $346	Free Cancellation	Rating 7.4 9,308 reviews	Search United Airlines flights
American Airlines	PriceFrom $832	Free Cancellation	Rating 7.2 11,294 reviews	Search American Airlines flights
Delta	PriceFrom $850	Free Cancellation	Rating 7.9 8,205 reviews	Search Delta flights
Qantas Airways	PriceFrom $878	Free Cancellation	Rating 7.5 991 reviews	Search Qantas Airways flights

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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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Cheap flights from Washington, D.C. Reagan-National Airport to Sydney from $495

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Air New Zealand flights from Washington, D.C. Reagan-National Airport to Sydney

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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

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

What is the typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Sydney?

What is the cheapest month to fly to Sydney?

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

What airlines fly to Sydney?

Which airport is the most popular layover for flights between Washington, D.C. Reagan-National Airport and Sydney?

Which layover airport offers the lowest fares from Washington, D.C. Reagan-National Airport to Sydney?

Which layover airport has the shortest travel time from Washington, D.C. Reagan-National Airport to Sydney?

Which layover airport has the shortest connection time from Washington, D.C. Reagan-National Airport to Sydney?

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

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

Direct flights

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

Traveling to a place near Sydney?

Why use momondo?

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

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

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

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

An easier way to manage your Sydney 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.

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