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.

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.

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 $2,169.

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

Delta, United Airlines, and Qantas Airways 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 Baltimore or Washington, D.C., and flying into Sydney, then you can expect flight times to average 22h 43m and 24h 07m, respectively.

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.

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.

$799 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.

18:20 - 09:35BWI Baltimore/Washington-SYD Sydney Kingsford Smith

47h 15m2 stops Seattle/Tacoma Intl Vancouver Intl

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

45h 51m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,481Multiple Airlines

Wed, 3 Feb - Wed, 17 Feb

07:02 - 08:35BWI Baltimore/Washington-SYD Sydney Kingsford Smith

34h 33m2 stops Seattle/Tacoma Intl Vancouver Intl

11:20 - 18:12SYD Sydney Kingsford Smith-BWI Baltimore/Washington

45h 52m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,484Multiple Airlines

Tue, 27 Oct - Sun, 1 Nov

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

$1,517Multiple Airlines

Wed, 21 Oct - Mon, 26 Oct

18:20 - 09:35BWI Baltimore/Washington-SYD Sydney Kingsford Smith

47h 15m2 stops Seattle/Tacoma Intl Vancouver Intl

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

45h 51m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,526Multiple Airlines

Wed, 3 Feb - Wed, 3 Mar

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

$1,527Multiple Airlines

Wed, 17 Feb - Tue, 23 Feb

18:20 - 09:35BWI Baltimore/Washington-SYD Sydney Kingsford Smith

47h 15m2 stops Seattle/Tacoma Intl Vancouver Intl

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

45h 51m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,531Multiple Airlines

Wed, 10 Feb - Thu, 25 Feb

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

$1,537Multiple Airlines

Thu, 5 Nov - Mon, 16 Nov

07:50 - 12:50IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

38h 00m3 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles Nadi

14:00 - 06:20SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

31h 20m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,553Multiple Airlines

Mon, 19 Oct - Mon, 26 Oct

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

$1,570Multiple Airlines

Fri, 16 Oct - Mon, 19 Oct

09:30 - 06:25DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

28h 55m1 stop Los Angeles Los Angeles

14:00 - 20:00SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

46h 00m2 stops Nadi Los Angeles Los Angeles

$1,602Multiple Airlines

Sat, 16 Jan - Wed, 27 Jan

Cheap last-minute flights

Enter your travel dates to find the best prices.

11:12 - 11:50IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

34h 38m3 stops Orlando Los Angeles Los Angeles Nadi

06:15 - 10:17SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

42h 02m3 stops Nadi Los Angeles Los Angeles Orlando

$1,672Multiple Airlines

Mon, 14 Sep - Tue, 29 Sep

11:12 - 22:25IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

45h 13m3 stops Orlando Los Angeles Los Angeles Nadi

13:15 - 10:17SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

35h 02m3 stops Nadi Los Angeles Los Angeles Orlando

$1,765Multiple Airlines

Sat, 12 Sep - Mon, 28 Sep

11:12 - 07:05IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

29h 53m2 stops Orlando Los Angeles Los Angeles

09:10 - 10:17SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

39h 07m2 stops Los Angeles Los Angeles Orlando

$1,917Multiple Airlines

Mon, 14 Sep - Tue, 29 Sep

15:10 - 16:50IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

35h 40m1 stop Abu Dhabi Zayed Intl

20:50 - 09:45SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

50h 55m1 stop Abu Dhabi Zayed Intl

$1,998Etihad Airways

Sat, 12 Sep - Mon, 28 Sep

11:12 - 07:05IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

29h 53m2 stops Orlando Los Angeles Los Angeles

09:10 - 10:17SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

39h 07m2 stops Los Angeles Los Angeles Orlando

$2,020Multiple Airlines

Sat, 12 Sep - Mon, 28 Sep

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

32h 51m1 stop Vancouver Intl

09:20 - 11:13SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

39h 53m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$2,028Air Canada

Sat, 12 Sep - Mon, 28 Sep

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

28h 37m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Vancouver Intl

09:20 - 11:13SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

39h 53m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$2,042Air Canada

Sat, 12 Sep - Mon, 28 Sep

07:00 - 07:05DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

34h 05m2 stops Denver Intl Los Angeles Los Angeles

09:10 - 12:11SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

41h 01m2 stops Los Angeles Los Angeles Denver Intl

$2,052Multiple Airlines

Mon, 14 Sep - Tue, 29 Sep

20:40 - 07:20DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

44h 40m2 stops Toronto Pearson Intl 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

$2,053Air Canada

Fri, 11 Sep - Fri, 18 Sep

15:10 - 16:50IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

35h 40m1 stop Abu Dhabi Zayed Intl

20:50 - 09:45SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

50h 55m1 stop Abu Dhabi Zayed Intl

$2,089Etihad Airways

Sat, 12 Sep - Mon, 14 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

6 Jan

IAD14:36Washington, D.C. Dulles Intl

25h 59m

2 stops

SYD08:35Sydney Kingsford Smith

4 May

SYD09:55Sydney Kingsford Smith

28h 55m

2 stops

IAD00:50Washington, D.C. Dulles Intl

$1,747

Air New Zealand

5 Jan

BWI08:37Baltimore/Washington

33h 58m

2 stops

SYD10:35Sydney Kingsford Smith

26 Apr

SYD09:55Sydney Kingsford Smith

35h 06m

2 stops

BWI07:01Baltimore/Washington

$1,753

Air New Zealand

25 Oct

BWI06:00Baltimore/Washington

35h 35m

2 stops

SYD08:35Sydney Kingsford Smith

11 Nov

SYD11:50Sydney Kingsford Smith

24h 48m

2 stops

BWI20:38Baltimore/Washington

$1,761

Air Canada flights from Washington, D.C. to Sydney

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

Air Canada

21 Oct

IAD12:43Washington, D.C. Dulles Intl

28h 37m

2 stops

SYD08:20Sydney Kingsford Smith

28 Oct

SYD10:20Sydney Kingsford Smith

25h 03m

2 stops

IAD20:23Washington, D.C. Dulles Intl

$1,767

Air Canada

21 Oct

IAD12:43Washington, D.C. Dulles Intl

28h 37m

3 stops

SYD08:20Sydney Kingsford Smith

28 Oct

SYD10:20Sydney Kingsford Smith

25h 03m

2 stops

IAD20:23Washington, D.C. Dulles Intl

$1,778

Air Canada

19 Oct

IAD09:55Washington, D.C. Dulles Intl

31h 25m

2 stops

SYD08:20Sydney Kingsford Smith

23 Oct

SYD10:20Sydney Kingsford Smith

23h 40m

2 stops

IAD19:00Washington, D.C. Dulles Intl

$1,819

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 3/2

18:20-09:35

2 stops47h 15m

Sydney Kingsford Smith

Wed 17/2

11:20-17:11

2 stops45h 51m

$1,481

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Tue 27/10

07:02-08:35

2 stops34h 33m

Sydney Kingsford Smith

Sun 1/11

11:20-18:12

2 stops45h 52m

$1,484

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

Mon 26/10

10:20-05:20

2 stops34h 00m

$1,517

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 3/2

18:20-09:35

2 stops47h 15m

Sydney Kingsford Smith

Wed 3/3

11:20-17:11

2 stops45h 51m

$1,526

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 17/2

18:11-09:35

2 stops47h 24m

Sydney Kingsford Smith

Tue 23/2

11:20-17:11

2 stops45h 51m

$1,527

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 10/2

18:20-09:35

2 stops47h 15m

Sydney Kingsford Smith

Thu 25/2

11:20-17:11

2 stops45h 51m

$1,531

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Thu 5/11

18:15-09:35

2 stops47h 20m

Sydney Kingsford Smith

Mon 16/11

11:20-05:40

2 stops34h 20m

$1,537

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Mon 19/10

07:50-12:50

3 stops38h 00m

Sydney Kingsford Smith

Mon 26/10

14:00-06:20

3 stops31h 20m

$1,553

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Fri 16/10

07:02-08:20

2 stops34h 18m

Sydney Kingsford Smith

Mon 19/10

10:20-05:20

2 stops34h 00m

$1,570

Washington, D.C.Sydney

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

DCASYD

Washington, D.C. Reagan-National

Sat 16/1

09:30-06:25

1 stop28h 55m

Sydney Kingsford Smith

Wed 27/1

14:00-20:00

2 stops46h 00m

$1,602

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 $1,783 to $2,129.
The lowest price recently found on this route was $1,481.

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 $1,873. 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 $1,892.

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 $2,266 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 $1,664 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	$799
Fastest flight time	22h 30m
Direct flights	None

The best one-way flight to Sydney from Washington, D.C. in the past 72 hours is $799. The best return flight deal from Washington, D.C. to Sydney found on momondo in the last 72 hours is $1,481.

The fastest flight from Washington, D.C. to Sydney takes 22h 30m

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 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.

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Penrith

Lithgow

Manly

Coogee

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Leura

Charlestown

Bondi Beach

Swansea

Newport

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.