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

Dallas (DFW) was the most common stop: 38% of momondo users choosing 1-stop flights on this route connected there.

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

United Airlines and Qantas Airways 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.

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.

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 49% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 5 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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.

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 Baltimore and flying into Sydney (one of the most popular routes), then the duration is 22h 05m on average. Another popular route from Washington, D.C. to Sydney is flying from Washington, D.C. to Sydney, which will take roughly 23h 07m. Keep in mind that layovers or delays could extend your travel time.

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 5 as of September 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.

$196 Cheap Flights from Washington, D.C. to Sydney in 2026/27

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5:35 pm - 9:00 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

24h 25m1 stop Los Angeles

2:05 pm - 9:14 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

23h 09m1 stop Dallas/Fort Worth

$196Qantas Airways

Thu, Oct 29 - Thu, Nov 5

5:35 pm - 9:00 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

24h 25m1 stop Los Angeles

1:05 pm - 9:45 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

23h 40m1 stop Dallas/Fort Worth

$197Qantas Airways

Sat, Oct 24 - Sat, Oct 31

7:02 am - 8:20 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

34h 18m2 stops Seattle/Tacoma Intl Vancouver Intl

11:20 am - 5:40 amSYD Sydney Kingsford Smith-BWI Baltimore/Washington

34h 20m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,096Multiple Airlines

Tue, Oct 20 - Mon, Nov 2

6:11 pm - 9:35 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

47h 24m2 stops Seattle/Tacoma Intl Vancouver Intl

11:20 am - 5:11 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

45h 51m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,121Multiple Airlines

Thu, Feb 18 - Mon, Mar 1

6:30 am - 8:35 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

34h 05m2 stops San Francisco Auckland Intl

11:50 am - 5:25 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

33h 35m2 stops Auckland Intl Los Angeles

$1,231Air New Zealand

Sun, Feb 21 - Tue, Feb 23

6:00 am - 8:35 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

34h 35m2 stops Houston George Bush Intcntl Auckland Intl

9:55 am - 11:38 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

29h 43m2 stops Auckland Intl Houston George Bush Intcntl

$1,260Air New Zealand

Sun, Nov 1 - Sun, Nov 8

6:00 am - 7:00 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

34h 00m1 stop Houston George Bush Intcntl

9:20 am - 4:25 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

23h 05m1 stop Houston George Bush Intcntl

$1,297United Airlines

Mon, Oct 26 - Mon, Nov 9

11:25 am - 8:05 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

29h 40m1 stop Los Angeles

11:50 am - 11:38 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

27h 48m2 stops San Francisco Houston George Bush Intcntl

$1,297United Airlines

Mon, Oct 26 - Mon, Nov 9

10:19 pm - 8:35 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

43h 16m2 stops Toronto Pearson Intl Vancouver Intl

10:20 am - 8:23 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

25h 03m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,300Air Canada

Sat, Oct 24 - Sat, Oct 31

6:55 pm - 8:35 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

46h 40m2 stops Toronto Pearson Intl Vancouver Intl

10:20 am - 7:58 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

24h 38m2 stops Vancouver Intl Toronto Pearson Intl

$1,305Air Canada

Sat, Oct 24 - Sat, Oct 31

Cheap last minute flights

Enter your travel dates to find the best prices.

4:20 pm - 7:20 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

49h 00m2 stops Denver Intl Vancouver Intl

9:20 am - 10:34 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

27h 14m2 stops Vancouver Intl Toronto Pearson Intl

$1,461Air Canada

Sat, Sep 19 - Sun, Sep 27

9:40 pm - 7:10 pmIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

31h 30m2 stops Istanbul Kuala Lumpur Intl

10:05 pm - 7:45 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

36h 40m2 stops Kuala Lumpur Intl Istanbul

$1,484Turkish Airlines

Tue, Sep 22 - Tue, Oct 6

1:20 pm - 10:10 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

54h 50m2 stops Incheon Intl Ho Chi Minh City

7:40 pm - 7:30 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

37h 50m1 stop Beijing Capital

$1,542Multiple Airlines

Fri, Sep 18 - Thu, Oct 1

9:00 am - 7:00 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

32h 00m1 stop Los Angeles

11:50 am - 12:40 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

28h 50m2 stops Auckland Intl Los Angeles

$1,583Air New Zealand

Mon, Sep 21 - Mon, Nov 2

6:35 pm - 6:55 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

22h 20m1 stop San Francisco

2:05 pm - 12:40 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

26h 35m2 stops Auckland Intl Los Angeles

$1,583Air New Zealand

Mon, Sep 21 - Mon, Nov 2

8:29 am - 11:40 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

37h 11m2 stops Vancouver Intl Brisbane

10:20 am - 11:13 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

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

$1,770Air Canada

Tue, Sep 22 - Mon, Oct 5

5:44 pm - 7:00 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

23h 16m1 stop Los Angeles

11:20 am - 5:34 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 14m1 stop San Francisco

$2,009United Airlines

Sun, Sep 20 - Tue, Oct 6

5:44 pm - 7:00 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

23h 16m1 stop Los Angeles

11:20 am - 5:34 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 14m1 stop San Francisco

$2,009United Airlines

Fri, Sep 18 - Mon, Oct 5

5:35 pm - 7:05 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

23h 30m1 stop Los Angeles

1:00 pm - 6:56 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

20h 56m1 stop Dallas/Fort Worth

$2,077Qantas Airways

Tue, Sep 22 - Tue, Oct 6

5:35 pm - 7:05 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

23h 30m1 stop Los Angeles

2:05 pm - 7:01 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

20h 56m1 stop Dallas/Fort Worth

$2,097Qantas Airways

Mon, Sep 21 - Mon, Nov 2

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

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

United Airlines

Oct 26

BWI6:00 amBaltimore/Washington

34h 00m

1 stop

SYD7:00 amSydney Kingsford Smith

Nov 9

SYD9:20 amSydney Kingsford Smith

23h 05m

1 stop

BWI4:25 pmBaltimore/Washington

$1,297

United Airlines

Oct 26

BWI11:25 amBaltimore/Washington

29h 40m

1 stop

SYD8:05 amSydney Kingsford Smith

Nov 9

SYD11:50 amSydney Kingsford Smith

21h 36m

1 stop

BWI5:26 pmBaltimore/Washington

$1,300

United Airlines

Dec 7

BWI8:00 amBaltimore/Washington

33h 05m

1 stop

SYD9:05 amSydney Kingsford Smith

Jan 19

SYD11:20 amSydney Kingsford Smith

26h 11m

2 stops

BWI9:31 pmBaltimore/Washington

$1,309

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

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

Qantas Airways

Oct 29

DCA5:35 pmWashington, D.C. Reagan-National

24h 25m

1 stop

SYD9:00 amSydney Kingsford Smith

Nov 5

SYD2:05 pmSydney Kingsford Smith

23h 09m

1 stop

DCA9:14 pmWashington, D.C. Reagan-National

$196

Qantas Airways

Oct 24

DCA5:35 pmWashington, D.C. Reagan-National

24h 25m

1 stop

SYD9:00 amSydney Kingsford Smith

Oct 31

SYD1:05 pmSydney Kingsford Smith

23h 40m

1 stop

DCA9:45 pmWashington, D.C. Reagan-National

$197

Qantas Airways

Oct 26

BWI4:04 pmBaltimore/Washington

23h 51m

1 stop

SYD6:55 amSydney Kingsford Smith

Nov 9

SYD2:05 pmSydney Kingsford Smith

21h 12m

1 stop

BWI7:17 pmBaltimore/Washington

$1,268

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Washington, D.C.Sydney

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

DCASYD

Washington, D.C. Reagan-National

Thu 10/29

5:35 pm-9:00 am

1 stop24h 25m

Sydney Kingsford Smith

Thu 11/5

2:05 pm-9:14 pm

1 stop23h 09m

$196

Washington, D.C.Sydney

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

DCASYD

Washington, D.C. Reagan-National

Sat 10/24

5:35 pm-9:00 am

1 stop24h 25m

Sydney Kingsford Smith

Sat 10/31

1:05 pm-9:45 pm

1 stop23h 40m

$197

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Tue 10/20

7:02 am-8:20 am

2 stops34h 18m

Sydney Kingsford Smith

Mon 11/2

11:20 am-5:40 am

2 stops34h 20m

$1,096

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Thu 2/18

6:11 pm-9:35 am

2 stops47h 24m

Sydney Kingsford Smith

Mon 3/1

11:20 am-5:11 pm

2 stops45h 51m

$1,121

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Sun 2/21

6:30 am-8:35 am

2 stops34h 05m

Sydney Kingsford Smith

Tue 2/23

11:50 am-5:25 am

2 stops33h 35m

$1,231

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sun 11/1

6:00 am-8:35 am

2 stops34h 35m

Sydney Kingsford Smith

Sun 11/8

9:55 am-11:38 pm

2 stops29h 43m

$1,260

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Mon 10/26

6:00 am-7:00 am

1 stop34h 00m

Sydney Kingsford Smith

Mon 11/9

9:20 am-4:25 pm

1 stop23h 05m

$1,297

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Mon 10/26

11:25 am-8:05 am

1 stop29h 40m

Sydney Kingsford Smith

Mon 11/9

11:50 am-11:38 pm

2 stops27h 48m

$1,297

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Sat 10/24

10:19 pm-8:35 am

2 stops43h 16m

Sydney Kingsford Smith

Sat 10/31

10:20 am-8:23 pm

2 stops25h 03m

$1,300

Washington, D.C.Sydney

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

DCASYD

Washington, D.C. Reagan-National

Sat 10/24

6:55 pm-8:35 am

2 stops46h 40m

Sydney Kingsford Smith

Sat 10/31

10:20 am-7:58 pm

2 stops24h 38m

$1,305

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 $1,288 to $1,617.
The lowest price recently found on this route was $196.

What is the cheapest month to fly to Sydney?

In general, February 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 $1,347. If you are unable to visit Sydney during the month of February, then departing from Washington, D.C. during the month November is also very affordable. Most momondo users find prices during this month for around $1,367.

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 $1,639 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 $1,126 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 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	$585
Fastest flight time	22h 05m
Direct flights	None

The best one-way flight to Sydney from Washington, D.C. in the past 72 hours is $585. The best round-trip flight deal from Washington, D.C. to Sydney found on momondo in the last 72 hours is $196.

The fastest flight from Washington, D.C. to Sydney takes 22h 05m

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 05m 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 5 as of September 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 34% of the total bookings. Other popular airlines include United Airlines with 34%, American Airlines with 11%, and Delta with 8%.

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 10,214 reviews	Search United Airlines flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.1 12,075 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $878	Free Cancellation	Rating 7.5 1,100 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $1,105	Free Cancellation	Rating 7.1 11,644 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $1,289	Free Cancellation	Rating 8.0 669 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 $196

This is the cheapest round-trip 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 10/29. 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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United Airlines flights from Washington, D.C. to Sydney

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

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

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

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See travel insights to Sydney from

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

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Get notified when prices go down

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