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: 63% of momondo users choosing 1-stop flights on this route connected there.

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

Alaska Airlines and United Airlines are the most popular carriers operating from Washington, D.C. Reagan-National to Sydney Kingsford Smith

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 $1,596.

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

Flights connecting via Los Angeles (LAX) have the shortest average one-way travel time: 22h 48m.

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

Los Angeles (LAX) has the shortest average layover time for this route: 1h 56m.

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

As of July 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.

$658 Cheap Flights from Washington, D.C. Reagan-National Airport to Sydney in 2026

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.

7:00 am - 10:25 pm

DCA

SYD

49h 25m

3 stops

1:15 pm - 12:51 pm

SYD

DCA

37h 36m

3 stops

$1,241Multiple Airlines

Mon, Aug 10 - Fri, Aug 14

7:00 am - 7:05 am

DCA

SYD

34h 05m

2 stops

9:10 am - 4:59 pm

SYD

DCA

45h 49m

2 stops

$1,282Multiple Airlines

Mon, Aug 17 - Sun, Aug 30

9:30 am - 7:05 am

DCA

SYD

31h 35m

1 stop

9:10 am - 8:00 pm

SYD

DCA

24h 50m

1 stop

$1,350Multiple Airlines

Tue, Sep 1 - Tue, Sep 8

7:00 am - 11:50 am

DCA

SYD

38h 50m

3 stops

1:15 pm - 12:49 pm

SYD

DCA

37h 34m

3 stops

$1,374Multiple Airlines

Sun, Sep 20 - Thu, Oct 1

9:30 am - 6:50 pm

DCA

SYD

43h 20m

2 stops

8:45 pm - 8:00 pm

SYD

DCA

37h 15m

2 stops

$1,383Multiple Airlines

Tue, Aug 25 - Sun, Aug 30

9:30 am - 7:30 am

DCA

SYD

31h 00m

1 stop

11:15 am - 8:00 pm

SYD

DCA

23h 45m

1 stop

$1,384Multiple Airlines

Tue, Oct 20 - Tue, Oct 27

9:30 am - 6:50 pm

DCA

SYD

42h 20m

2 stops

9:40 pm - 8:00 pm

SYD

DCA

37h 20m

2 stops

$1,394Multiple Airlines

Wed, Oct 7 - Tue, Oct 27

9:30 am - 7:05 am

DCA

SYD

31h 35m

1 stop

9:10 am - 8:00 pm

SYD

DCA

24h 50m

1 stop

$1,400Multiple Airlines

Sun, Aug 30 - Mon, Sep 14

7:00 am - 7:05 am

DCA

SYD

34h 05m

2 stops

9:10 am - 4:59 pm

SYD

DCA

45h 49m

2 stops

$1,404Multiple Airlines

Mon, Aug 3 - Mon, Aug 17

9:59 am - 7:30 am

DCA

SYD

31h 31m

1 stop

5:50 pm - 4:59 pm

SYD

DCA

37h 09m

2 stops

$1,406Multiple Airlines

Mon, Aug 17 - Wed, Aug 26

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

Sep 15

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

28h 40m

2 stops

SYD7:20 amSydney Kingsford Smith

Sep 29

SYD9:20 amSydney Kingsford Smith

40h 40m

2 stops

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

$1,480

Air Canada

Aug 31

DCA8:40 pmWashington, D.C. Reagan-National

44h 40m

2 stops

SYD7:20 amSydney Kingsford Smith

Sep 14

SYD9:20 amSydney Kingsford Smith

39h 00m

2 stops

DCA10:20 amWashington, D.C. Reagan-National

$1,482

Air Canada

Sep 30

DCA6:59 amWashington, D.C. Reagan-National

34h 21m

2 stops

SYD7:20 amSydney Kingsford Smith

Oct 12

SYD10:20 amSydney Kingsford Smith

40h 40m

2 stops

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

$1,489

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

Jul 26

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

22h 56m

1 stop

SYD6:55 amSydney Kingsford Smith

Aug 16

SYD7:05 pmSydney Kingsford Smith

42h 54m

2 stops

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

$1,890

Air New Zealand

Jul 29

DCA7:28 pmWashington, D.C. Reagan-National

47h 17m

2 stops

SYD8:45 amSydney Kingsford Smith

Aug 19

SYD10:20 amSydney Kingsford Smith

26h 10m

1 stop

DCA10:30 pmWashington, D.C. Reagan-National

$1,929

Air New Zealand

Jul 26

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

22h 56m

1 stop

SYD6:55 amSydney Kingsford Smith

Aug 10

SYD9:55 amSydney Kingsford Smith

26h 20m

2 stops

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

$1,931

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

Mon 8/10

7:00 am-10:25 pm

3 stops49h 25m

Sydney Kingsford Smith

Fri 8/14

1:15 pm-12:51 pm

3 stops37h 36m

$1,241

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 8/17

7:00 am-7:05 am

2 stops34h 05m

Sydney Kingsford Smith

Sun 8/30

9:10 am-4:59 pm

2 stops45h 49m

$1,282

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 9/1

9:30 am-7:05 am

1 stop31h 35m

Sydney Kingsford Smith

Tue 9/8

9:10 am-8:00 pm

1 stop24h 50m

$1,350

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 9/20

7:00 am-11:50 am

3 stops38h 50m

Sydney Kingsford Smith

Thu 10/1

1:15 pm-12:49 pm

3 stops37h 34m

$1,374

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 8/25

9:30 am-6:50 pm

2 stops43h 20m

Sydney Kingsford Smith

Sun 8/30

8:45 pm-8:00 pm

2 stops37h 15m

$1,383

Quickest round-trip

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 10/27

11:15 am-8:00 pm

1 stop23h 45m

$1,384

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 10/7

9:30 am-6:50 pm

2 stops42h 20m

Sydney Kingsford Smith

Tue 10/27

9:40 pm-8:00 pm

2 stops37h 20m

$1,394

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 8/30

9:30 am-7:05 am

1 stop31h 35m

Sydney Kingsford Smith

Mon 9/14

9:10 am-8:00 pm

1 stop24h 50m

$1,400

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 8/3

7:00 am-7:05 am

2 stops34h 05m

Sydney Kingsford Smith

Mon 8/17

9:10 am-4:59 pm

2 stops45h 49m

$1,404

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 8/26

5:50 pm-4:59 pm

2 stops37h 09m

$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

Airlines

Layovers

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 November is also very affordable. Most momondo users find prices during this month for around $1,296.

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	24h 10m
Direct flights	None

The fastest flight from Washington, D.C. Reagan-National Airport to Sydney takes 24h 10m

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 24h 10m.
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 July 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 57% of all bookings. The subsequent popular airline is Qantas Airways at 43%.

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 11,825 reviews		Search American Airlines flights
Qantas Airways	PriceFrom $1,048	Free Cancellation	Rating 7.5 1,064 reviews		Search Qantas Airways flights

Parramatta

Bondi Beach

Wollongong

Penrith

Katoomba

Cronulla

Leura

Randwick

Lithgow

Coogee

Manly

Terrigal

Charlestown

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 8/19

Wed 8/26

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia

Nearby airports

Airlines

Cabin classes

Other Australia destinations

Other flights from Washington, D.C. Reagan-National Airport

Complete your trip

Feeling lucky

Cheap flights from Washington, D.C. Reagan-National Airport to Sydney from $621

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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 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

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.

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 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

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?

Why use momondo?

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.

Find better results for your trip to Australia

Airports servicing New South Wales

Fly your favorite airline to Sydney

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Sydney

List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

Popular cities in Australia

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Washington, D.C. Reagan-National Airport

According to popular flight searches on momondo this year

Complete your trip to Sydney

Explore popular destinations other users love

According to popular flight searches on momondo this year