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

San Francisco (SFO) has the shortest average layover time for this route: 1h 52m.

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

Dallas (DFW) was the most common stop: 41% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Nadi (NAN) offer the lowest average round-trip price of $650.

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

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

Flights connecting via Nadi (NAN) have the shortest average one-way travel time: 18h 55m.

How long does it take to fly to Sydney?

Flight times from Washington, D.C. to Sydney vary, but if you’re flying out of Washington, D.C. and flying into Sydney (one of the most popular routes), then the duration is 24h 10m on average. Another popular route from Washington, D.C. to Sydney is flying from Baltimore to Sydney, which will take roughly 25h 51m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Sydney?

United Airlines, Qantas Airways and Air New Zealand are the top three most popular airlines that fly to Sydney from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 6 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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 are updated daily.

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

The number of operators available for flights from Washington, D.C. to Sydney Kingsford Smith Airport is 6 as of October 2026.

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 layovers. 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 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.

$637 Cheap Flights from Washington, D.C. to Sydney in 2026/27

Discover deals from 900+ travel sites with momondo.

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

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7:48 am - 10:05 pmIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

46h 17m3 stops Atlanta Hartsfield-Jackson Los Angeles Nadi

2:00 pm - 5:10 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

31h 10m3 stops Nadi Los Angeles Las Vegas Harry Reid Intl

$1,128Multiple Airlines

Sat, Nov 14 - Mon, Nov 23

4:59 pm - 11:05 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

26h 06m2 stops Dallas/Fort Worth Brisbane

2:05 pm - 10:49 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

24h 44m1 stop Dallas/Fort Worth

$1,130Multiple Airlines

Wed, Feb 10 - Wed, Feb 17

4:35 pm - 8:30 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

23h 55m1 stop Los Angeles

10:40 am - 3:41 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

21h 01m1 stop Los Angeles

$1,137Delta

Mon, Feb 8 - Thu, Feb 18

4:35 pm - 6:50 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

22h 15m1 stop Los Angeles

10:40 am - 3:41 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

21h 01m1 stop Los Angeles

$1,137Delta

Sun, Feb 7 - Wed, Feb 17

4:59 pm - 11:05 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

26h 06m2 stops Dallas/Fort Worth Brisbane

2:05 pm - 6:07 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

20h 02m1 stop Dallas/Fort Worth

$1,178Qantas Airways

Wed, Feb 10 - Wed, Feb 17

3:57 pm - 6:55 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

22h 58m1 stop Dallas/Fort Worth

7:20 am - 3:07 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

23h 47m2 stops Brisbane Dallas/Fort Worth

$1,178Qantas Airways

Thu, Nov 5 - Thu, Nov 12

2:30 pm - 9:20 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

26h 50m1 stop San Francisco

11:50 am - 5:26 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 36m1 stop San Francisco

$1,237United Airlines

Tue, Nov 10 - Tue, Nov 17

4:30 pm - 9:05 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

24h 35m2 stops Houston George Bush Intcntl Los Angeles

9:15 am - 4:25 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

23h 10m1 stop Houston George Bush Intcntl

$1,237United Airlines

Mon, Nov 9 - Mon, Nov 16

4:20 pm - 10:35 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

26h 15m2 stops Houston George Bush Intcntl Auckland Intl

9:55 am - 10:45 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

28h 50m2 stops Auckland Intl Houston George Bush Intcntl

$1,303Air New Zealand

Sun, Dec 13 - Sun, Jan 17

6:00 am - 10:35 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

36h 35m2 stops Los Angeles Auckland Intl

9:55 am - 6:47 amSYD Sydney Kingsford Smith-BWI Baltimore/Washington

36h 52m2 stops Auckland Intl Los Angeles

$1,303Air New Zealand

Sun, Feb 14 - Sun, Feb 21

Cheap last minute flights

Enter your travel dates to find the best prices.

4:04 pm - 6:55 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

23h 51m1 stop Dallas/Fort Worth

1:05 pm - 10:54 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

24h 49m1 stop Dallas/Fort Worth

$1,234American Airlines

Tue, Oct 20 - Tue, Oct 27

4:13 pm - 8:00 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

24h 47m2 stops Denver Intl Los Angeles

11:50 am - 5:26 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

20h 36m1 stop San Francisco

$1,237United Airlines

Tue, Oct 20 - Tue, Oct 27

2:59 pm - 6:55 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

24h 56m2 stops Charlotte Douglas Dallas/Fort Worth

1:05 pm - 8:50 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

22h 45m2 stops Dallas/Fort Worth Charlotte Douglas

$1,238American Airlines

Tue, Oct 20 - Tue, Oct 27

10:18 pm - 8:20 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

43h 02m2 stops Chicago O'Hare Intl Vancouver Intl

11:20 am - 9:26 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

26h 06m2 stops Vancouver Intl Toronto Pearson Intl

$1,486Air Canada

Mon, Oct 19 - Tue, Nov 3

1:15 pm - 8:10 pmIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

39h 55m2 stops Istanbul Kuala Lumpur Intl

9:35 pm - 12:45 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

54h 10m2 stops Singapore Changi Istanbul

$1,492Turkish Airlines

Tue, Oct 20 - Tue, Oct 27

6:59 am - 8:20 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

34h 21m2 stops Toronto Pearson Intl Vancouver Intl

10:20 am - 9:59 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

26h 39m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,509Air Canada

Tue, Oct 20 - Tue, Oct 27

10:10 pm - 8:20 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

43h 10m2 stops Ottawa Vancouver Intl

11:20 am - 9:26 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

26h 06m1 stop Toronto Pearson Intl

$1,556Air New Zealand

Mon, Oct 19 - Tue, Nov 3

12:45 pm - 7:55 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

28h 10m1 stop San Francisco

7:25 pm - 9:57 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

41h 32m2 stops Auckland Intl San Francisco

$1,620Air New Zealand

Tue, Oct 20 - Tue, Oct 27

6:00 am - 8:45 pmIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

47h 45m2 stops Los Angeles Hong Kong Intl

8:40 am - 5:32 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

35h 52m2 stops Hong Kong Intl Los Angeles

$1,621Multiple Airlines

Thu, Oct 15 - Thu, Oct 22

6:50 pm - 7:55 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

22h 05m1 stop San Francisco

10:30 am - 4:37 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 07m1 stop Los Angeles

$2,386United Airlines

Thu, Oct 15 - Wed, Oct 21

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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

Feb 10

BWI4:59 pmBaltimore/Washington

26h 06m

2 stops

SYD11:05 amSydney Kingsford Smith

Feb 17

SYD2:05 pmSydney Kingsford Smith

20h 02m

1 stop

BWI6:07 pmBaltimore/Washington

$1,178

Qantas Airways

Jan 30

BWI4:59 pmBaltimore/Washington

26h 06m

2 stops

SYD11:05 amSydney Kingsford Smith

Feb 28

SYD2:05 pmSydney Kingsford Smith

20h 02m

1 stop

BWI6:07 pmBaltimore/Washington

$1,184

Qantas Airways

Feb 1

BWI4:59 pmBaltimore/Washington

47h 16m

2 stops

SYD8:15 amSydney Kingsford Smith

Feb 20

SYD6:05 amSydney Kingsford Smith

28h 02m

2 stops

BWI6:07 pmBaltimore/Washington

$1,214

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

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

American Airlines

Oct 20

BWI4:04 pmBaltimore/Washington

23h 51m

1 stop

SYD6:55 amSydney Kingsford Smith

Oct 27

SYD1:05 pmSydney Kingsford Smith

24h 49m

1 stop

BWI10:54 pmBaltimore/Washington

$1,234

American Airlines

Oct 20

BWI2:59 pmBaltimore/Washington

24h 56m

2 stops

SYD6:55 amSydney Kingsford Smith

Oct 27

SYD1:05 pmSydney Kingsford Smith

22h 45m

2 stops

BWI8:50 pmBaltimore/Washington

$1,238

American Airlines

Oct 24

BWI11:55 amBaltimore/Washington

28h 00m

1 stop

SYD6:55 amSydney Kingsford Smith

Nov 2

SYD2:05 pmSydney Kingsford Smith

24h 48m

1 stop

BWI10:53 pmBaltimore/Washington

$1,284

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Sat 11/14

7:48 am-10:05 pm

3 stops46h 17m

Sydney Kingsford Smith

Mon 11/23

2:00 pm-5:10 am

3 stops31h 10m

$1,128

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 2/10

4:59 pm-11:05 am

2 stops26h 06m

Sydney Kingsford Smith

Wed 2/17

2:05 pm-10:49 pm

1 stop24h 44m

$1,130

Washington, D.C.Sydney

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

DCASYD

Washington, D.C. Reagan-National

Mon 2/8

4:35 pm-8:30 am

1 stop23h 55m

Sydney Kingsford Smith

Thu 2/18

10:40 am-3:41 pm

1 stop21h 01m

$1,137

Quickest round-trip

Washington, D.C.Sydney

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

DCASYD

Washington, D.C. Reagan-National

Sun 2/7

4:35 pm-6:50 am

1 stop22h 15m

Sydney Kingsford Smith

Wed 2/17

10:40 am-3:41 pm

1 stop21h 01m

$1,137

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 2/10

4:59 pm-11:05 am

2 stops26h 06m

Sydney Kingsford Smith

Wed 2/17

2:05 pm-6:07 pm

1 stop20h 02m

$1,178

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Thu 11/5

3:57 pm-6:55 am

1 stop22h 58m

Sydney Kingsford Smith

Thu 11/12

7:20 am-3:07 pm

2 stops23h 47m

$1,178

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Tue 11/10

2:30 pm-9:20 am

1 stop26h 50m

Sydney Kingsford Smith

Tue 11/17

11:50 am-5:26 pm

1 stop21h 36m

$1,237

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Mon 11/9

4:30 pm-9:05 am

2 stops24h 35m

Sydney Kingsford Smith

Mon 11/16

9:15 am-4:25 pm

1 stop23h 10m

$1,237

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sun 12/13

4:20 pm-10:35 am

2 stops26h 15m

Sydney Kingsford Smith

Sun 1/17

9:55 am-10:45 pm

2 stops28h 50m

$1,303

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sun 2/14

6:00 am-10:35 am

2 stops36h 35m

Sydney Kingsford Smith

Sun 2/21

9:55 am-6:47 am

2 stops36h 52m

$1,303

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. 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

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 $1,383 to $1,719.
The lowest price recently found on this route was $1,128.

What is the cheapest month to fly to Sydney?

In general, November is the cheapest month to fly from Washington, D.C. to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,315. If you are unable to visit Sydney during the month of November, then departing from Washington, D.C. during the month February is also very affordable. Most momondo users find prices during this month for around $1,353.

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 $1,604 when searching weeks out. 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 $1,285 on momondo.

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

You could potentially save up to 15% 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 October 2026, prices for Washington, D.C. to Sydney flights are approximately 45% 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 round-trip 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	$637
Fastest flight time	22h 56m
Direct flights	None

The best one-way flight to Sydney from Washington, D.C. in the past 72 hours is $637. The best round-trip flight deal from Washington, D.C. to Sydney found on momondo in the last 72 hours is $1,128.

The fastest flight from Washington, D.C. to Sydney takes 22h 56m

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?
A flight from Washington, D.C. to Sydney Kingsford Smith will travel around 9755.6 mi. 22h 56m is a normal flight duration for this route.
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 are updated daily.
How many operators does momondo search for flights from Washington, D.C. to Sydney Kingsford Smith Airport?
The number of operators available for flights from Washington, D.C. to Sydney Kingsford Smith Airport is 6 as of October 2026.
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 layovers. 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 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. to Sydney?
Based on momondo bookings for flights between Washington, D.C. and Sydney, the leading airline is Qantas Airways, making up 35% of the total bookings. Other popular airlines include United Airlines with 31%, Air New Zealand with 10%, and American Airlines with 10%.

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 $357	Free Cancellation	Rating 7.4 10,362 reviews	Search United Airlines flights
Delta	PriceFrom $377	Free Cancellation	Rating 7.8 8,650 reviews	Search Delta flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.0 12,170 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $878	Free Cancellation	Rating 7.5 1,110 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $1,080	Free Cancellation	Rating 7.1 11,772 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $1,275	Free Cancellation	Rating 8.0 674 reviews	Search Air New Zealand flights

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Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Sydney. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Washington, D.C. to Sydney flights to just show those with flexible booking policies.

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?

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.

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Cheap flights from Washington, D.C. to Sydney from $637

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Sydney departing on 11/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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

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

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

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

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?

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

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

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

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

What airlines fly to Sydney?

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

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

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

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

How long does it take to fly to Sydney?

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

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

Best Price Found

Fastest flight time

Direct flights

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

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

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.

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