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.

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 $2,238.

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?

Alaska Airlines is the most popular carrier 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 02m and 27h 16m, 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.

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.

$963 Cheap Flights from Washington, D.C. to Sydney in 2026/27

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.

13:00 - 12:50IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

31h 50m2 stops Houston George Bush Intcntl Auckland Intl

14:05 - 06:39SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

31h 34m2 stops Auckland Intl Los Angeles

$1,873Air New Zealand

Mon, 8 Mar - Mon, 22 Mar

14:28 - 10:35DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

28h 07m2 stops Houston George Bush Intcntl Auckland Intl

11:50 - 20:56SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

25h 06m2 stops Auckland Intl Houston George Bush Intcntl

$1,883Air New Zealand

Sun, 24 Jan - Tue, 9 Feb

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

37h 35m3 stops Denver Intl Los Angeles Nadi

14:00 - 16:55SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

42h 55m3 stops Nadi Los Angeles Denver Intl

$1,886Multiple Airlines

Tue, 8 Dec - Wed, 27 Jan

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

28h 55m1 stop Los Angeles

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

46h 00m2 stops Nadi Los Angeles

$1,888Multiple Airlines

Tue, 2 Feb - Wed, 17 Feb

14:36 - 08:35IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

25h 59m2 stops Houston George Bush Intcntl Auckland Intl

09:55 - 22:31SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

28h 36m2 stops Auckland Intl Houston George Bush Intcntl

$1,888Air New Zealand

Tue, 2 Mar - Tue, 9 Mar

14:25 - 10:35DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

28h 10m2 stops Houston George Bush Intcntl Auckland Intl

09:55 - 23:59SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

30h 04m2 stops Auckland Intl Houston George Bush Intcntl

$1,889Air New Zealand

Tue, 16 Feb - Tue, 2 Mar

14:36 - 08:35IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

25h 59m2 stops Houston George Bush Intcntl Auckland Intl

09:55 - 22:31SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

28h 36m2 stops Auckland Intl Houston George Bush Intcntl

$1,889Air New Zealand

Tue, 2 Mar - Tue, 9 Mar

17:53 - 08:35IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

46h 42m2 stops Houston George Bush Intcntl Auckland Intl

11:50 - 00:06SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

28h 16m2 stops Auckland Intl Los Angeles

$1,898Air New Zealand

Sun, 17 Jan - Sun, 31 Jan

06:00 - 08:35DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

34h 35m2 stops Houston George Bush Intcntl Auckland Intl

19:25 - 23:59SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

44h 34m2 stops Auckland Intl Houston George Bush Intcntl

$1,905Air New Zealand

Sun, 24 Jan - Sun, 31 Jan

17:38 - 08:35IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

46h 57m2 stops San Francisco Auckland Intl

14:05 - 00:06SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

26h 01m2 stops Auckland Intl Los Angeles

$1,905Air New Zealand

Sun, 17 Jan - Sun, 31 Jan

Cheap last-minute flights

Enter your travel dates to find the best prices.

12:50 - 08:35DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

27h 45m2 stops Houston George Bush Intcntl Auckland Intl

19:25 - 22:15SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

42h 50m2 stops Auckland Intl Houston George Bush Intcntl

$1,909Air New Zealand

Mon, 9 Nov - Mon, 16 Nov

06:00 - 08:35IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

34h 35m2 stops Houston George Bush Intcntl Auckland Intl

19:25 - 22:44SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

43h 19m2 stops Auckland Intl Houston George Bush Intcntl

$1,909Air New Zealand

Mon, 9 Nov - Mon, 16 Nov

06:00 - 08:35IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

34h 35m2 stops Houston George Bush Intcntl Auckland Intl

14:05 - 00:40SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

26h 35m2 stops Auckland Intl Los Angeles

$2,019Air New Zealand

Fri, 6 Nov - Fri, 13 Nov

14:38 - 08:35IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

25h 57m2 stops Houston George Bush Intcntl Auckland Intl

11:50 - 21:56SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

26h 06m2 stops Auckland Intl San Francisco

$2,020Air New Zealand

Fri, 6 Nov - Fri, 13 Nov

12:50 - 10:35DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

29h 45m2 stops Houston George Bush Intcntl Auckland Intl

11:55 - 22:15SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

26h 20m2 stops Auckland Intl Houston George Bush Intcntl

$2,088Air New Zealand

Thu, 5 Nov - Thu, 12 Nov

14:25 - 08:35DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

26h 10m2 stops Houston George Bush Intcntl Auckland Intl

11:55 - 22:30SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

26h 35m2 stops Auckland Intl San Francisco

$2,092Air New Zealand

Thu, 5 Nov - Thu, 12 Nov

13:30 - 19:25IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

37h 55m2 stops Istanbul Singapore Changi

21:35 - 19:25SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

37h 50m2 stops Singapore Changi Istanbul

$2,193Turkish Airlines

Tue, 10 Nov - Tue, 1 Dec

13:30 - 19:25IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

37h 55m2 stops Istanbul Singapore Changi

21:35 - 11:45SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

54h 10m2 stops Singapore Changi Istanbul

$2,229Turkish Airlines

Tue, 10 Nov - Tue, 1 Dec

07:00 - 06:25DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

31h 25m2 stops Denver Intl Los Angeles

11:10 - 12:59SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

41h 49m2 stops Los Angeles Denver Intl

$2,256Multiple Airlines

Tue, 10 Nov - Sun, 22 Nov

07:48 - 06:25IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

30h 37m2 stops Atlanta Hartsfield-Jackson Los Angeles

11:10 - 05:10SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

34h 00m2 stops Los Angeles Las Vegas Harry Reid Intl

$2,256Multiple Airlines

Tue, 10 Nov - Sun, 22 Nov

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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 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

2 Mar

IAD14:36Washington, D.C. Dulles Intl

25h 59m

2 stops

SYD08:35Sydney Kingsford Smith

9 Mar

SYD09:55Sydney Kingsford Smith

28h 36m

2 stops

IAD22:31Washington, D.C. Dulles Intl

$1,888

Air New Zealand

2 Mar

IAD14:36Washington, D.C. Dulles Intl

25h 59m

2 stops

SYD08:35Sydney Kingsford Smith

9 Mar

SYD09:55Sydney Kingsford Smith

28h 36m

2 stops

IAD22:31Washington, D.C. Dulles Intl

$1,889

Air New Zealand

17 Jan

IAD17:53Washington, D.C. Dulles Intl

46h 42m

2 stops

SYD08:35Sydney Kingsford Smith

31 Jan

SYD11:50Sydney Kingsford Smith

28h 16m

2 stops

IAD00:06Washington, D.C. Dulles Intl

$1,898

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

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

Alaska Airlines

3 Feb

IAD18:53Washington, D.C. Dulles Intl

43h 32m

3 stops

SYD06:25Sydney Kingsford Smith

17 Feb

SYD21:25Sydney Kingsford Smith

35h 01m

3 stops

IAD16:26Washington, D.C. Dulles Intl

$2,049

Alaska Airlines

25 Jan

IAD17:30Washington, D.C. Dulles Intl

44h 55m

3 stops

SYD06:25Sydney Kingsford Smith

5 Feb

SYD21:25Sydney Kingsford Smith

35h 02m

3 stops

IAD16:27Washington, D.C. Dulles Intl

$2,073

Alaska Airlines

15 Nov

IAD07:05Washington, D.C. Dulles Intl

31h 20m

3 stops

SYD06:25Sydney Kingsford Smith

21 Nov

SYD11:15Sydney Kingsford Smith

34h 25m

2 stops

IAD05:40Washington, D.C. Dulles Intl

$2,488

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Mon 8/3

13:00-12:50

2 stops31h 50m

Sydney Kingsford Smith

Mon 22/3

14:05-06:39

2 stops31h 34m

$1,873

Fastest return journey

Washington, D.C.Sydney

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

DCASYD

Washington, D.C. Reagan-National

Sun 24/1

14:28-10:35

2 stops28h 07m

Sydney Kingsford Smith

Tue 9/2

11:50-20:56

2 stops25h 06m

$1,883

Washington, D.C.Sydney

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

DCASYD

Washington, D.C. Reagan-National

Tue 8/12

07:00-12:35

3 stops37h 35m

Sydney Kingsford Smith

Wed 27/1

14:00-16:55

3 stops42h 55m

$1,886

Washington, D.C.Sydney

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

DCASYD

Washington, D.C. Reagan-National

Tue 2/2

09:30-06:25

1 stop28h 55m

Sydney Kingsford Smith

Wed 17/2

14:00-20:00

2 stops46h 00m

$1,888

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Tue 2/3

14:36-08:35

2 stops25h 59m

Sydney Kingsford Smith

Tue 9/3

09:55-22:31

2 stops28h 36m

$1,888

Washington, D.C.Sydney

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

DCASYD

Washington, D.C. Reagan-National

Tue 16/2

14:25-10:35

2 stops28h 10m

Sydney Kingsford Smith

Tue 2/3

09:55-23:59

2 stops30h 04m

$1,889

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Tue 2/3

14:36-08:35

2 stops25h 59m

Sydney Kingsford Smith

Tue 9/3

09:55-22:31

2 stops28h 36m

$1,889

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Sun 17/1

17:53-08:35

2 stops46h 42m

Sydney Kingsford Smith

Sun 31/1

11:50-00:06

2 stops28h 16m

$1,898

Washington, D.C.Sydney

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

DCASYD

Washington, D.C. Reagan-National

Sun 24/1

06:00-08:35

2 stops34h 35m

Sydney Kingsford Smith

Sun 31/1

19:25-23:59

2 stops44h 34m

$1,905

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Sun 17/1

17:38-08:35

2 stops46h 57m

Sydney Kingsford Smith

Sun 31/1

14:05-00:06

2 stops26h 01m

$1,905

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 typical for flights on this route.

Typical prices usually range from $1,868 to $2,255.
The lowest price recently found on this route was $1,886.

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 $1,925. 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 $1,955.

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 $2,316 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 $1,836 on momondo.

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

You could potentially save up to 9% 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 November 2026, prices for Washington, D.C. to Sydney flights are approximately 24% cheaper 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	$963
Fastest flight time	23h 27m
Direct flights	None

The best one-way flight to Sydney from Washington, D.C. in the past 72 hours is $963. The best return flight deal from Washington, D.C. to Sydney found on momondo in the last 72 hours is $1,873.

The fastest flight from Washington, D.C. to Sydney takes 23h 27m

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 27m.
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.

Parramatta

Terrigal

Wollongong

Katoomba

Penrith

Coogee

Lithgow

Manly

Cronulla

Randwick

Leura

Bondi Beach

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.