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

Los Angeles (LAX) was the most common stop: 50% of momondo users choosing one-stop flights on this route connected there.

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

Delta, United Airlines, 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 Baltimore or Washington, D.C., and flying into Sydney, then you can expect flight times to average 21h 38m and 23h 02m, respectively.

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

Flights via Los Angeles (LAX) offer the lowest average return price of $2,260.

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.

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

As of July 2026, there is 1 operator available to choose from for flights from Washington, D.C. to Sydney Kingsford Smith Airport.

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.

$844 Cheap Flights from Washington, D.C. to Sydney in 2026

Q: 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 $1,952 to $2,386. The lowest price recently found on this route was $1,625.

Discover deals from 900+ travel sites with momondo.

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.

15:55 - 06:55

BWI

SYD

25h 00m

1 stop

12:00 - 21:34

SYD

BWI

23h 34m

1 stop

$1,625Qantas Airways

Wed, 5 Aug - Wed, 12 Aug

15:55 - 06:55

BWI

SYD

25h 00m

1 stop

12:00 - 23:41

SYD

BWI

25h 41m

1 stop

$1,626Qantas Airways

Mon, 17 Aug - Mon, 24 Aug

11:05 - 22:25

IAD

SYD

45h 20m

3 stops

13:15 - 17:14

SYD

IAD

41h 59m

3 stops

$1,635Multiple Airlines

Tue, 18 Aug - Tue, 25 Aug

11:05 - 11:50

IAD

SYD

34h 45m

3 stops

13:15 - 17:14

SYD

IAD

41h 59m

3 stops

$1,649Multiple Airlines

Tue, 18 Aug - Tue, 25 Aug

19:17 - 06:55

BWI

SYD

21h 38m

1 stop

12:00 - 23:41

SYD

BWI

25h 41m

1 stop

$1,669Qantas Airways

Sun, 2 Aug - Mon, 17 Aug

19:17 - 06:55

BWI

SYD

21h 38m

1 stop

12:00 - 23:41

SYD

BWI

25h 41m

1 stop

$1,687Qantas Airways

Mon, 3 Aug - Mon, 17 Aug

15:04 - 08:45

BWI

SYD

27h 41m

2 stops

07:50 - 06:46

SYD

BWI

36h 56m

2 stops

$1,698Air New Zealand

Mon, 31 Aug - Sun, 13 Sep

12:03 - 06:50

BWI

SYD

28h 47m

2 stops

09:15 - 23:29

SYD

BWI

28h 14m

2 stops

$1,700Delta

Mon, 17 Aug - Sun, 30 Aug

06:38 - 06:55

BWI

SYD

34h 17m

1 stop

09:30 - 16:35

SYD

BWI

21h 05m

1 stop

$1,701United Airlines

Mon, 27 Jul - Wed, 12 Aug

15:03 - 07:00

BWI

SYD

25h 57m

2 stops

10:20 - 11:45

SYD

BWI

39h 25m

2 stops

$1,703United Airlines

Mon, 3 Aug - Mon, 17 Aug

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Qantas Airways flights from Washington, D.C. to Sydney

Our best Qantas Airways deals on Washington, D.C. to Sydney flight tickets

Qantas Airways

5 Aug

BWI15:55Baltimore/Washington

25h 00m

1 stop

SYD06:55Sydney Kingsford Smith

12 Aug

SYD12:00Sydney Kingsford Smith

23h 34m

1 stop

BWI21:34Baltimore/Washington

$1,625

Qantas Airways

2 Aug

BWI19:17Baltimore/Washington

21h 38m

1 stop

SYD06:55Sydney Kingsford Smith

17 Aug

SYD12:00Sydney Kingsford Smith

25h 41m

1 stop

BWI23:41Baltimore/Washington

$1,669

Qantas Airways

3 Aug

BWI19:17Baltimore/Washington

21h 38m

1 stop

SYD06:55Sydney Kingsford Smith

17 Aug

SYD12:00Sydney Kingsford Smith

25h 41m

1 stop

BWI23:41Baltimore/Washington

$1,687

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

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

Turkish Airlines

14 Sept

IAD21:45Washington, D.C. Dulles Intl

31h 25m

2 stops

SYD19:10Sydney Kingsford Smith

22 Sept

SYD21:05Sydney Kingsford Smith

36h 45m

2 stops

IAD19:50Washington, D.C. Dulles Intl

$2,099

Turkish Airlines

22 Sept

IAD21:45Washington, D.C. Dulles Intl

31h 25m

2 stops

SYD19:10Sydney Kingsford Smith

20 Oct

SYD22:05Sydney Kingsford Smith

36h 45m

2 stops

IAD19:50Washington, D.C. Dulles Intl

$2,101

Turkish Airlines

31 Aug

IAD13:20Washington, D.C. Dulles Intl

39h 50m

2 stops

SYD19:10Sydney Kingsford Smith

18 Sept

SYD21:05Sydney Kingsford Smith

52h 30m

2 stops

IAD11:35Washington, D.C. Dulles Intl

$2,137

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 5/8

15:55-06:55

1 stop25h 00m

Sydney Kingsford Smith

Wed 12/8

12:00-21:34

1 stop23h 34m

$1,625

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 17/8

15:55-06:55

1 stop25h 00m

Sydney Kingsford Smith

Mon 24/8

12:00-23:41

1 stop25h 41m

$1,626

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 18/8

11:05-22:25

3 stops45h 20m

Sydney Kingsford Smith

Tue 25/8

13:15-17:14

3 stops41h 59m

$1,635

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 18/8

11:05-11:50

3 stops34h 45m

Sydney Kingsford Smith

Tue 25/8

13:15-17:14

3 stops41h 59m

$1,649

Fastest return journey

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 2/8

19:17-06:55

1 stop21h 38m

Sydney Kingsford Smith

Mon 17/8

12:00-23:41

1 stop25h 41m

$1,669

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 3/8

19:17-06:55

1 stop21h 38m

Sydney Kingsford Smith

Mon 17/8

12:00-23:41

1 stop25h 41m

$1,687

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 31/8

15:04-08:45

2 stops27h 41m

Sydney Kingsford Smith

Sun 13/9

07:50-06:46

2 stops36h 56m

$1,698

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 17/8

12:03-06:50

2 stops28h 47m

Sydney Kingsford Smith

Sun 30/8

09:15-23:29

2 stops28h 14m

$1,700

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 27/7

06:38-06:55

1 stop34h 17m

Sydney Kingsford Smith

Wed 12/8

09:30-16:35

1 stop21h 05m

$1,701

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 3/8

15:03-07:00

2 stops25h 57m

Sydney Kingsford Smith

Mon 17/8

10:20-11:45

2 stops39h 25m

$1,703

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?

What is the cheapest month to fly to Sydney?

The month of August is, on average, the cheapest month to fly to Sydney from Washington, D.C., with most prices found around $113. If you aren’t able to travel to Sydney during the month of August, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $255.

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 $2,335 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 $1,508 on momondo.

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

You could potentially save up to 20% 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 July 2026, prices for Washington, D.C. to Sydney flights are approximately 9% 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

Fastest flight time	21h 38m
Direct flights	None

The fastest flight from Washington, D.C. to Sydney takes 21h 38m

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 21h 38m.
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 many operators does momondo search for flights from Washington, D.C. to Sydney Kingsford Smith Airport?
As of July 2026, there is 1 operator available to choose from for flights from Washington, D.C. to Sydney Kingsford Smith Airport.
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.

Best airlines flying from Washington, D.C. to Sydney

Compare and see reviews for airlines that fly from Washington, D.C. to Sydney with momondo

Airline	Rating	Free cancellation	Price
United Airlines	PriceFrom $1,672	Free cancellation	Rating 7.4 9,948 reviews		Search United Airlines flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Manly

Coogee

Leura

Lithgow

Cronulla

Bondi Beach

Randwick

Charlestown

Newport

Swansea

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.