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 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 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 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 April 2026, there are 2 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.

$467 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 low for flights on this route. Typical prices usually range from $1,749 to $1,539. The lowest price recently found on this route was $1,364.

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Discover deals from 900+ travel sites with momondo.

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.

6:55 pm - 6:55 am

DCA

SYD

22h 00m

1 stop

12:00 pm - 7:14 pm

SYD

DCA

21h 14m

1 stop

$1,364Qantas Airways

Mon, Jun 29 - Sun, Aug 23

1:53 pm - 6:55 am

DCA

SYD

27h 02m

1 stop

12:00 pm - 9:30 pm

SYD

DCA

23h 30m

1 stop

$1,366Qantas Airways

Wed, Jun 3 - Tue, Jun 16

9:30 am - 7:30 am

DCA

SYD

32h 00m

1 stop

5:50 pm - 8:00 pm

SYD

DCA

40h 10m

1 stop

$1,382Alaska Airlines

Tue, Sep 1 - Tue, Sep 15

5:31 pm - 7:05 am

DCA

SYD

23h 34m

1 stop

12:00 pm - 7:14 pm

SYD

DCA

21h 14m

1 stop

$1,383Qantas Airways

Sun, Jul 26 - Sun, Aug 23

3:18 pm - 6:55 am

DCA

SYD

25h 37m

1 stop

12:00 pm - 6:59 pm

SYD

DCA

20h 59m

1 stop

$1,385Qantas Airways

Mon, Jul 6 - Mon, Aug 3

9:59 am - 7:05 am

DCA

SYD

31h 06m

1 stop

9:10 am - 8:00 pm

SYD

DCA

24h 50m

1 stop

$1,390Multiple Airlines

Wed, Jun 3 - Wed, Jun 10

9:30 am - 7:30 am

DCA

SYD

31h 00m

1 stop

6:50 pm - 8:00 pm

SYD

DCA

40h 10m

1 stop

$1,391Alaska Airlines

Tue, Oct 6 - Thu, Oct 15

5:16 pm - 7:30 am

DCA

SYD

24h 14m

1 stop

12:00 pm - 7:13 pm

SYD

DCA

21h 13m

1 stop

$1,397Qantas Airways

Mon, Jun 1 - Mon, Jun 8

9:59 am - 7:30 am

DCA

SYD

31h 31m

1 stop

12:00 pm - 11:00 pm

SYD

DCA

25h 00m

1 stop

$1,401Multiple Airlines

Wed, Jun 3 - Wed, Jun 10

8:30 am - 7:05 am

DCA

SYD

32h 35m

1 stop

12:00 pm - 6:00 pm

SYD

DCA

20h 00m

1 stop

$1,406Qantas Airways

Tue, May 12 - Tue, May 19

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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

Qantas Airways

Jun 29

DCA6:55 pmWashington, D.C. Reagan-National

22h 00m

1 stop

SYD6:55 amSydney Kingsford Smith

Aug 23

SYD12:00 pmSydney Kingsford Smith

21h 14m

1 stop

DCA7:14 pmWashington, D.C. Reagan-National

$1,364

Qantas Airways

Jun 3

DCA1:53 pmWashington, D.C. Reagan-National

27h 02m

1 stop

SYD6:55 amSydney Kingsford Smith

Jun 16

SYD12:00 pmSydney Kingsford Smith

23h 30m

1 stop

DCA9:30 pmWashington, D.C. Reagan-National

$1,366

Qantas Airways

Jul 26

DCA5:31 pmWashington, D.C. Reagan-National

23h 34m

1 stop

SYD7:05 amSydney Kingsford Smith

Aug 23

SYD12:00 pmSydney Kingsford Smith

21h 14m

1 stop

DCA7:14 pmWashington, D.C. Reagan-National

$1,383

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

Our best Alaska Airlines deals on Washington, D.C. Reagan-National Airport to Sydney flight tickets

Alaska Airlines

Sep 1

DCA9:30 amWashington, D.C. Reagan-National

32h 00m

1 stop

SYD7:30 amSydney Kingsford Smith

Sep 15

SYD5:50 pmSydney Kingsford Smith

40h 10m

1 stop

DCA8:00 pmWashington, D.C. Reagan-National

$1,382

Alaska Airlines

Oct 6

DCA9:30 amWashington, D.C. Reagan-National

31h 00m

1 stop

SYD7:30 amSydney Kingsford Smith

Oct 15

SYD6:50 pmSydney Kingsford Smith

40h 10m

1 stop

DCA8:00 pmWashington, D.C. Reagan-National

$1,391

Alaska Airlines

Aug 5

DCA9:59 amWashington, D.C. Reagan-National

31h 31m

1 stop

SYD7:30 amSydney Kingsford Smith

Aug 12

SYD5:50 pmSydney Kingsford Smith

38h 09m

2 stops

DCA5:59 pmWashington, D.C. Reagan-National

$1,470

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

Cheapest round-trip

Quickest round-trip

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 6/29

6:55 pm-6:55 am

1 stop22h 00m

Sydney Kingsford Smith

Sun 8/23

12:00 pm-7:14 pm

1 stop21h 14m

$1,364

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 6/3

1:53 pm-6:55 am

1 stop27h 02m

Sydney Kingsford Smith

Tue 6/16

12:00 pm-9:30 pm

1 stop23h 30m

$1,366

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 9/1

9:30 am-7:30 am

1 stop32h 00m

Sydney Kingsford Smith

Tue 9/15

5:50 pm-8:00 pm

1 stop40h 10m

$1,382

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 7/26

5:31 pm-7:05 am

1 stop23h 34m

Sydney Kingsford Smith

Sun 8/23

12:00 pm-7:14 pm

1 stop21h 14m

$1,383

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 7/6

3:18 pm-6:55 am

1 stop25h 37m

Sydney Kingsford Smith

Mon 8/3

12:00 pm-6:59 pm

1 stop20h 59m

$1,385

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 6/3

9:59 am-7:05 am

1 stop31h 06m

Sydney Kingsford Smith

Wed 6/10

9:10 am-8:00 pm

1 stop24h 50m

$1,390

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 10/6

9:30 am-7:30 am

1 stop31h 00m

Sydney Kingsford Smith

Thu 10/15

6:50 pm-8:00 pm

1 stop40h 10m

$1,391

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 6/1

5:16 pm-7:30 am

1 stop24h 14m

Sydney Kingsford Smith

Mon 6/8

12:00 pm-7:13 pm

1 stop21h 13m

$1,397

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 6/3

9:59 am-7:30 am

1 stop31h 31m

Sydney Kingsford Smith

Wed 6/10

12:00 pm-11:00 pm

1 stop25h 00m

$1,401

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 5/12

8:30 am-7:05 am

1 stop32h 35m

Sydney Kingsford Smith

Tue 5/19

12:00 pm-6:00 pm

1 stop20h 00m

$1,406

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

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, February 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 $980. If you are unable to visit Sydney during the month of February, then departing from Washington, D.C. Reagan-National Airport during the month July is also very affordable. Most momondo users find prices during this month for around $1,249.

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

You could potentially save up to 47% 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	21h 56m
Direct flights	None

The fastest flight from Washington, D.C. Reagan-National Airport to Sydney takes 21h 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

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Sydney

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 21h 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 April 2026, there are 2 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 59% of all bookings. The subsequent popular airline is Qantas Airways at 41%.

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
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.1 11,647 reviews		Search American Airlines flights
Qantas Airways	PriceFrom $1,032	Free Cancellation	Rating 7.5 1,024 reviews		Search Qantas Airways flights

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Swansea

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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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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

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

Our best Alaska Airlines deals on Washington, D.C. Reagan-National Airport to Sydney flight tickets

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

See travel insights to Sydney from

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?

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

Frequently asked questions about flying 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

Traveling to a place near Sydney?

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An easier way to manage your Sydney trip

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