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

Flights via Los Angeles (LAX) offer the lowest average round-trip price of $1,462.

What is the cheapest airline that flies from Washington, D.C. Reagan-National to Sydney Kingsford Smith?

Alaska Airlines is the most popular carrier operating from Washington, D.C. Reagan-National to Sydney Kingsford Smith

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

Houston (IAH) has the shortest average layover time for this route: 1h 58m.

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

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 22h 55m.

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: 56% 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 May 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.

$633 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 $1,716 to $1,449. The lowest price recently found on this route was $1,327.

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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.

9:30 am - 7:30 am

DCA

SYD

32h 00m

1 stop

1:15 pm - 8:00 pm

SYD

DCA

44h 45m

2 stops

$1,327Multiple Airlines

Tue, Sep 22 - Fri, Oct 2

7:00 am - 11:50 am

DCA

SYD

38h 50m

3 stops

1:15 pm - 12:57 pm

SYD

DCA

37h 42m

3 stops

$1,352Multiple Airlines

Sat, Jun 20 - Sat, Jun 27

9:59 am - 7:30 am

DCA

SYD

31h 31m

1 stop

1:15 pm - 8:00 pm

SYD

DCA

44h 45m

2 stops

$1,371Multiple Airlines

Mon, Aug 17 - Tue, Sep 1

9:30 am - 7:30 am

DCA

SYD

31h 00m

1 stop

2:00 pm - 8:00 pm

SYD

DCA

46h 00m

2 stops

$1,404Multiple Airlines

Tue, Oct 20 - Tue, Nov 3

9:30 am - 7:30 am

DCA

SYD

32h 00m

1 stop

1:15 pm - 8:00 pm

SYD

DCA

44h 45m

2 stops

$1,409Multiple Airlines

Fri, Aug 21 - Mon, Aug 31

9:30 am - 7:30 am

DCA

SYD

31h 00m

1 stop

2:00 pm - 8:00 pm

SYD

DCA

46h 00m

2 stops

$1,411Multiple Airlines

Sat, Oct 17 - Fri, Nov 6

9:59 am - 7:30 am

DCA

SYD

31h 31m

1 stop

1:15 pm - 8:00 pm

SYD

DCA

44h 45m

2 stops

$1,422Multiple Airlines

Mon, Aug 17 - Wed, Sep 2

9:30 am - 7:30 am

DCA

SYD

31h 00m

1 stop

2:00 pm - 8:00 pm

SYD

DCA

46h 00m

2 stops

$1,450Multiple Airlines

Sat, Oct 17 - Tue, Nov 3

12:45 pm - 7:20 am

DCA

SYD

28h 35m

2 stops

9:20 am - 12:01 pm

SYD

DCA

40h 41m

2 stops

$1,457Air Canada

Sun, Jun 7 - Sun, Jun 14

9:30 am - 7:45 pm

DCA

SYD

42h 15m

2 stops

9:40 pm - 8:00 pm

SYD

DCA

38h 20m

2 stops

$1,463Multiple Airlines

Sun, Nov 1 - Tue, Nov 17

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

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

Air Canada

Jun 7

DCA12:45 pmWashington, D.C. Reagan-National

28h 35m

2 stops

SYD7:20 amSydney Kingsford Smith

Jun 14

SYD9:20 amSydney Kingsford Smith

40h 41m

2 stops

DCA12:01 pmWashington, D.C. Reagan-National

$1,457

Air Canada

Aug 2

DCA12:40 pmWashington, D.C. Reagan-National

52h 40m

2 stops

SYD7:20 amSydney Kingsford Smith

Aug 16

SYD9:20 amSydney Kingsford Smith

40h 40m

2 stops

DCA12:00 pmWashington, D.C. Reagan-National

$1,483

Air Canada

Jun 3

DCA11:00 amWashington, D.C. Reagan-National

30h 20m

2 stops

SYD7:20 amSydney Kingsford Smith

Jun 10

SYD9:20 amSydney Kingsford Smith

38h 59m

2 stops

DCA10:19 amWashington, D.C. Reagan-National

$1,484

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

May 24

DCA7:55 amWashington, D.C. Reagan-National

34h 50m

2 stops

SYD8:45 amSydney Kingsford Smith

Jun 10

SYD7:50 amSydney Kingsford Smith

28h 25m

2 stops

DCA10:15 pmWashington, D.C. Reagan-National

$1,715

Air New Zealand

May 24

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

22h 56m

1 stop

SYD6:55 amSydney Kingsford Smith

Jun 10

SYD11:55 amSydney Kingsford Smith

24h 20m

2 stops

DCA10:15 pmWashington, D.C. Reagan-National

$1,757

Air New Zealand

Jun 2

DCA5:49 pmWashington, D.C. Reagan-National

26h 51m

2 stops

SYD10:40 amSydney Kingsford Smith

Jun 11

SYD11:55 amSydney Kingsford Smith

26h 04m

2 stops

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

$1,770

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

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 9/22

9:30 am-7:30 am

1 stop32h 00m

Sydney Kingsford Smith

Fri 10/2

1:15 pm-8:00 pm

2 stops44h 45m

$1,327

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 6/20

7:00 am-11:50 am

3 stops38h 50m

Sydney Kingsford Smith

Sat 6/27

1:15 pm-12:57 pm

3 stops37h 42m

$1,352

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 8/17

9:59 am-7:30 am

1 stop31h 31m

Sydney Kingsford Smith

Tue 9/1

1:15 pm-8:00 pm

2 stops44h 45m

$1,371

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 10/20

9:30 am-7:30 am

1 stop31h 00m

Sydney Kingsford Smith

Tue 11/3

2:00 pm-8:00 pm

2 stops46h 00m

$1,404

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 8/21

9:30 am-7:30 am

1 stop32h 00m

Sydney Kingsford Smith

Mon 8/31

1:15 pm-8:00 pm

2 stops44h 45m

$1,409

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 10/17

9:30 am-7:30 am

1 stop31h 00m

Sydney Kingsford Smith

Fri 11/6

2:00 pm-8:00 pm

2 stops46h 00m

$1,411

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 8/17

9:59 am-7:30 am

1 stop31h 31m

Sydney Kingsford Smith

Wed 9/2

1:15 pm-8:00 pm

2 stops44h 45m

$1,422

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 10/17

9:30 am-7:30 am

1 stop31h 00m

Sydney Kingsford Smith

Tue 11/3

2:00 pm-8:00 pm

2 stops46h 00m

$1,450

Quickest round-trip

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 6/7

12:45 pm-7:20 am

2 stops28h 35m

Sydney Kingsford Smith

Sun 6/14

9:20 am-12:01 pm

2 stops40h 41m

$1,457

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 11/1

9:30 am-7:45 pm

2 stops42h 15m

Sydney Kingsford Smith

Tue 11/17

9:40 pm-8:00 pm

2 stops38h 20m

$1,463

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, July 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 $865. If you are unable to visit Sydney during the month of July, 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 $980.

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

You could potentially save up to 50% 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 55m
Direct flights	None

The fastest flight from Washington, D.C. Reagan-National Airport to Sydney takes 22h 55m

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 22h 55m.
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 May 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 58% of all bookings. The subsequent popular airline is Qantas Airways at 42%.

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 11,645 reviews		Search American Airlines flights
Qantas Airways	PriceFrom $1,032	Free Cancellation	Rating 7.5 1,041 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 $633

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

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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.

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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 is the cheapest airline that flies from Washington, D.C. Reagan-National to Sydney Kingsford Smith?

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

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