Which airport is the most popular for stopovers for flights between Washington, D.C. and Sydney?

San Francisco (SFO) was the most common stop: 60% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport has the shortest connection time from Washington, D.C. to Sydney?

Los Angeles (LAX) has the shortest average stopover time for this route: 1h 35m.

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

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

How long does it take to fly to Sydney?

If you’re flying from a popular airport in Washington, D.C., such as Washington, D.C. or Baltimore, and flying into Sydney, then you can expect flight times to average 25h 30m and 27h 08m, respectively.

Which stopover airport offers the lowest fares from Washington, D.C. to Sydney?

Flights via Los Angeles (LAX) offer the lowest average return price of $2,174.

Which stopover airport has the shortest travel time from Washington, D.C. to Sydney?

Flights connecting via Los Angeles (LAX) have the shortest average one-way travel time: 22h 30m.

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

Prices for flights from Washington, D.C. to Sydney Kingsford Smith Airport refresh daily.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Sydney Kingsford Smith Airport.

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

The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$802 Cheap Flights from Washington, D.C. to Sydney in 2026

Find the cheapest flights from Washington, D.C. to Sydney

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

18:11 - 09:35BWI Baltimore/Washington-SYD Sydney Kingsford Smith

47h 24m2 stops Seattle/Tacoma Intl Vancouver Intl

11:20 - 17:11SYD Sydney Kingsford Smith-BWI Baltimore/Washington

45h 51m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,500Multiple Airlines

Mon, 1 Mar - Wed, 10 Mar

07:02 - 08:20BWI Baltimore/Washington-SYD Sydney Kingsford Smith

34h 18m2 stops Seattle/Tacoma Intl Vancouver Intl

10:20 - 05:20SYD Sydney Kingsford Smith-BWI Baltimore/Washington

34h 00m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,520Multiple Airlines

Wed, 21 Oct - Wed, 28 Oct

07:40 - 22:05IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

46h 25m3 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles Nadi

14:00 - 20:40SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

46h 40m3 stops Nadi Los Angeles Los Angeles Orlando

$1,529Multiple Airlines

Sun, 8 Nov - Sun, 22 Nov

07:00 - 12:35DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

37h 35m3 stops Denver Intl Los Angeles Los Angeles Nadi

14:00 - 12:59SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

38h 59m3 stops Nadi Los Angeles Los Angeles Denver Intl

$1,535Multiple Airlines

Fri, 6 Nov - Fri, 20 Nov

18:11 - 09:35BWI Baltimore/Washington-SYD Sydney Kingsford Smith

47h 24m2 stops Seattle/Tacoma Intl Vancouver Intl

11:20 - 17:11SYD Sydney Kingsford Smith-BWI Baltimore/Washington

44h 51m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,553Multiple Airlines

Mon, 1 Mar - Mon, 15 Mar

06:00 - 12:50IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

39h 50m3 stops Las Vegas Harry Reid Intl Los Angeles Los Angeles Nadi

14:00 - 11:34SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

36h 34m3 stops Nadi Los Angeles Los Angeles Dallas/Fort Worth

$1,556Multiple Airlines

Wed, 21 Oct - Sun, 25 Oct

18:15 - 09:35BWI Baltimore/Washington-SYD Sydney Kingsford Smith

47h 20m2 stops Seattle/Tacoma Intl Vancouver Intl

11:20 - 05:40SYD Sydney Kingsford Smith-BWI Baltimore/Washington

34h 20m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,565Multiple Airlines

Fri, 6 Nov - Fri, 13 Nov

07:02 - 09:35BWI Baltimore/Washington-SYD Sydney Kingsford Smith

34h 33m2 stops Seattle/Tacoma Intl Vancouver Intl

11:20 - 05:40SYD Sydney Kingsford Smith-BWI Baltimore/Washington

34h 20m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,572Multiple Airlines

Mon, 2 Nov - Sun, 15 Nov

07:02 - 09:35BWI Baltimore/Washington-SYD Sydney Kingsford Smith

34h 33m2 stops Seattle/Tacoma Intl Vancouver Intl

11:20 - 05:40SYD Sydney Kingsford Smith-BWI Baltimore/Washington

34h 20m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,574Multiple Airlines

Thu, 12 Nov - Sun, 22 Nov

08:05 - 12:35IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

36h 30m3 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles Nadi

14:00 - 20:40SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

46h 40m3 stops Nadi Los Angeles Los Angeles Orlando

$1,582Multiple Airlines

Tue, 10 Nov - Mon, 23 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

08:29 - 07:20IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

32h 51m1 stop Vancouver Intl

09:20 - 06:30SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

35h 10m1 stop Vancouver Intl

$1,885Air Canada

Tue, 8 Sep - Wed, 16 Sep

08:29 - 07:20IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

32h 51m1 stop Vancouver Intl

09:20 - 21:18SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

25h 58m2 stops Vancouver Intl Calgary

$1,885Air Canada

Tue, 8 Sep - Wed, 16 Sep

09:45 - 07:20IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

31h 35m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

09:20 - 21:18SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

25h 58m2 stops Vancouver Intl Calgary

$1,890Air Canada

Tue, 8 Sep - Wed, 16 Sep

12:55 - 07:20DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

28h 25m2 stops Ottawa Vancouver Intl

09:20 - 21:50SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

26h 30m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,960Air Canada

Tue, 8 Sep - Wed, 16 Sep

15:10 - 06:10IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

49h 00m1 stop Abu Dhabi Zayed Intl

15:40 - 09:45SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

32h 05m1 stop Abu Dhabi Zayed Intl

$1,975Etihad Airways

Thu, 10 Sep - Wed, 23 Sep

08:29 - 07:20IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

32h 51m1 stop Vancouver Intl

09:20 - 21:18SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

25h 58m2 stops Vancouver Intl Calgary

$1,989Air Canada

Wed, 9 Sep - Fri, 18 Sep

12:43 - 07:20IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

28h 37m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

09:20 - 21:18SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

25h 58m2 stops Vancouver Intl Calgary

$1,994Air Canada

Wed, 9 Sep - Fri, 18 Sep

08:29 - 07:20IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

32h 51m1 stop Vancouver Intl

09:20 - 19:00SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

23h 40m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,994Air Canada

Wed, 9 Sep - Wed, 30 Sep

19:15 - 07:20BWI Baltimore/Washington-SYD Sydney Kingsford Smith

46h 05m2 stops Seattle/Tacoma Intl Vancouver Intl

09:20 - 06:30SYD Sydney Kingsford Smith-BWI Baltimore/Washington

35h 10m2 stops Vancouver Intl Seattle/Tacoma Intl

$2,022Multiple Airlines

Tue, 8 Sep - Wed, 16 Sep

12:55 - 07:20DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

28h 25m2 stops Ottawa Vancouver Intl

09:20 - 22:34SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

27h 14m1 stop Toronto Pearson Intl

$2,035Air New Zealand

Tue, 8 Sep - Wed, 16 Sep

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Air New Zealand flights from Washington, D.C. to Sydney

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

Air New Zealand

26 Jan

IAD08:25Washington, D.C. Dulles Intl

32h 10m

2 stops

SYD08:35Sydney Kingsford Smith

17 Feb

SYD14:05Sydney Kingsford Smith

26h 45m

2 stops

IAD00:50Washington, D.C. Dulles Intl

$1,750

Air New Zealand

2 Nov

IAD12:45Washington, D.C. Dulles Intl

27h 50m

2 stops

SYD08:35Sydney Kingsford Smith

15 Nov

SYD11:50Sydney Kingsford Smith

33h 36m

2 stops

IAD05:26Washington, D.C. Dulles Intl

$1,751

Air New Zealand

17 Jan

IAD12:35Washington, D.C. Dulles Intl

30h 00m

2 stops

SYD10:35Sydney Kingsford Smith

31 Jan

SYD14:05Sydney Kingsford Smith

31h 20m

2 stops

IAD05:25Washington, D.C. Dulles Intl

$1,753

Turkish Airlines flights from Washington, D.C. to Sydney

Our best Turkish Airlines deals on Washington, D.C. to Sydney flight tickets

Turkish Airlines

9 Sept

IAD21:40Washington, D.C. Dulles Intl

31h 30m

2 stops

SYD19:10Sydney Kingsford Smith

30 Sept

SYD21:05Sydney Kingsford Smith

36h 40m

2 stops

IAD19:45Washington, D.C. Dulles Intl

$2,184

Turkish Airlines

16 Sept

IAD21:40Washington, D.C. Dulles Intl

31h 30m

2 stops

SYD19:10Sydney Kingsford Smith

24 Sept

SYD21:05Sydney Kingsford Smith

52h 25m

2 stops

IAD11:30Washington, D.C. Dulles Intl

$2,302

Turkish Airlines

16 Sept

IAD21:40Washington, D.C. Dulles Intl

31h 30m

2 stops

SYD19:10Sydney Kingsford Smith

27 Sept

SYD21:05Sydney Kingsford Smith

52h 25m

2 stops

IAD11:30Washington, D.C. Dulles Intl

$2,309

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Mon 1/3

18:11-09:35

2 stops47h 24m

Sydney Kingsford Smith

Wed 10/3

11:20-17:11

2 stops45h 51m

$1,500

Fastest return journey

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 21/10

07:02-08:20

2 stops34h 18m

Sydney Kingsford Smith

Wed 28/10

10:20-05:20

2 stops34h 00m

$1,520

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Sun 8/11

07:40-22:05

3 stops46h 25m

Sydney Kingsford Smith

Sun 22/11

14:00-20:40

3 stops46h 40m

$1,529

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Fri 6/11

07:00-12:35

3 stops37h 35m

Sydney Kingsford Smith

Fri 20/11

14:00-12:59

3 stops38h 59m

$1,535

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Mon 1/3

18:11-09:35

2 stops47h 24m

Sydney Kingsford Smith

Mon 15/3

11:20-17:11

2 stops44h 51m

$1,553

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Wed 21/10

06:00-12:50

3 stops39h 50m

Sydney Kingsford Smith

Sun 25/10

14:00-11:34

3 stops36h 34m

$1,556

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Fri 6/11

18:15-09:35

2 stops47h 20m

Sydney Kingsford Smith

Fri 13/11

11:20-05:40

2 stops34h 20m

$1,565

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Mon 2/11

07:02-09:35

2 stops34h 33m

Sydney Kingsford Smith

Sun 15/11

11:20-05:40

2 stops34h 20m

$1,572

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Thu 12/11

07:02-09:35

2 stops34h 33m

Sydney Kingsford Smith

Sun 22/11

11:20-05:40

2 stops34h 20m

$1,574

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Tue 10/11

08:05-12:35

3 stops36h 30m

Sydney Kingsford Smith

Mon 23/11

14:00-20:40

3 stops46h 40m

$1,582

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. 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

Stopovers

Other information

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

Prices are currently low for flights on this route.

Typical prices usually range from $1,788 to $2,134.
The lowest price recently found on this route was $1,500.

What is the cheapest month to fly to Sydney?

The month of February is, on average, the cheapest month to fly to Sydney from Washington, D.C., with most prices found around $1,878. If you aren’t able to travel to Sydney during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $1,897.

How far in advance should I book a flight from Washington, D.C. to Sydney?

You are more likely to see cheaper flights to Sydney from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,272 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Washington, D.C. for as low as $1,668 on momondo.

Can stopping save me money on Washington, D.C. to Sydney flights?

You could potentially save up to 1% on your flight if you consider stops on a Washington, D.C. to Sydney flight.

How have Washington, D.C. to Sydney flight prices changed over time?

As of September 2026, prices for Washington, D.C. to Sydney flights are approximately 49% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Sydney

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

Estimated return price

Cheap Washington, D.C. to Sydney (WAS to SYD) flight deals and tips

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

Best price found	$802
Fastest flight time	23h 55m
Direct flights	None

The best one-way flight to Sydney from Washington, D.C. in the past 72 hours is $802. The best return flight deal from Washington, D.C. to Sydney found on momondo in the last 72 hours is $1,500.

The fastest flight from Washington, D.C. to Sydney takes 23h 55m

There are no direct flights from Washington, D.C. to Sydney. There are no popular flight routes from Washington, D.C. to Sydney.

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Sydney

How far is Washington, D.C. to Sydney Kingsford Smith by plane?
Washington, D.C. and Sydney Kingsford Smith are 15700.1 km apart from one another. By plane, this route typically takes 23h 55m.
When did momondo last update prices for flights from Washington, D.C. to Sydney Kingsford Smith Airport?
Prices for flights from Washington, D.C. to Sydney Kingsford Smith Airport refresh daily.
How old do you have to be to fly from Washington, D.C. to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Sydney for you.

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

Flights from Washington, D.C. to Sydney with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Washington, D.C..

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

Of course. momondo tracks the price of Washington, D.C. to Sydney flights. All you need is a valid email address and we will do the rest; it is that quick and easy.