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 Baltimore and flying into Sydney (one of the most popular routes), then the duration is 21h 58m on average. Another popular route from Washington, D.C. to Sydney is flying from Washington, D.C. to Sydney, which will take roughly 23h 25m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Sydney?

United Airlines, Qantas Airways and American Airlines 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 50% 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.

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.

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

Qantas Airways and United Airlines are the most popular carriers operating from Washington, D.C. to Sydney Kingsford Smith

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

Dallas (DFW) was the most common stop: 39% of momondo users choosing 1-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 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 August 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.

$554 Cheap Flights from Washington, D.C. to Sydney in 2026

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7:50 am - 11:50 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

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

6:15 am - 10:27 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

42h 12m3 stops Nadi Los Angeles Orlando

$1,043Multiple Airlines

Sun, Sep 13 - Wed, Sep 23

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

34h 38m3 stops Orlando Los Angeles Nadi

1:15 pm - 10:27 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

35h 12m3 stops Nadi Los Angeles Orlando

$1,044Multiple Airlines

Wed, Sep 16 - Wed, Sep 23

6:52 pm - 6:55 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

9:30 am - 7:15 amSYD Sydney Kingsford Smith-BWI Baltimore/Washington

35h 45m2 stops Los Angeles San Francisco

$1,238United Airlines

Mon, Aug 31 - Mon, Sep 14

4:18 pm - 6:55 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

24h 37m2 stops Denver Intl San Francisco

9:30 am - 7:15 amSYD Sydney Kingsford Smith-BWI Baltimore/Washington

35h 45m2 stops Los Angeles San Francisco

$1,242United Airlines

Mon, Aug 31 - Mon, Sep 14

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

32h 05m2 stops Los Angeles Auckland Intl

9:55 am - 12:50 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

30h 55m2 stops Auckland Intl Los Angeles

$1,247Air New Zealand

Tue, Feb 2 - Tue, Feb 16

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

32h 05m2 stops Los Angeles Auckland Intl

9:55 am - 9:12 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

27h 17m2 stops Auckland Intl Houston George Bush Intcntl

$1,247Air New Zealand

Sun, Jan 17 - Tue, Feb 2

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

23h 51m1 stop Dallas/Fort Worth

2:05 pm - 7:16 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 11m1 stop Dallas/Fort Worth

$1,267Qantas Airways

Wed, Oct 21 - Wed, Nov 18

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

23h 51m1 stop Dallas/Fort Worth

2:05 pm - 7:16 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 11m1 stop Dallas/Fort Worth

$1,268Qantas Airways

Wed, Oct 21 - Wed, Nov 18

2:54 pm - 7:05 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

26h 11m2 stops Charlotte Douglas Los Angeles

1:00 pm - 7:26 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 26m1 stop Dallas/Fort Worth

$1,295American Airlines

Mon, Sep 28 - Mon, Oct 5

2:54 pm - 7:05 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

26h 11m2 stops Charlotte Douglas Los Angeles

1:00 pm - 10:54 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

24h 54m1 stop Dallas/Fort Worth

$1,297American Airlines

Mon, Sep 28 - Mon, Oct 5

Cheap last minute flights

Enter your travel dates to find the best prices.

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

23h 16m1 stop Los Angeles

9:30 am - 4:35 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 05m1 stop Los Angeles

$1,229United Airlines

Sun, Aug 16 - Sun, Aug 30

6:52 pm - 6:55 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

10:20 am - 7:15 amSYD Sydney Kingsford Smith-BWI Baltimore/Washington

34h 55m1 stop San Francisco

$1,229United Airlines

Sun, Aug 16 - Sun, Aug 30

9:00 am - 9:50 pmIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

46h 50m2 stops Los Angeles Auckland Intl

11:55 am - 6:34 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

32h 39m2 stops Auckland Intl Los Angeles

$1,385Air New Zealand

Wed, Aug 19 - Wed, Sep 9

8:29 am - 7:20 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

32h 51m1 stop Vancouver Intl

9:20 am - 9:18 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

25h 58m2 stops Vancouver Intl Calgary

$1,407Air Canada

Mon, Aug 17 - Tue, Aug 25

3:45 pm - 7:20 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

25h 35m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

9:20 am - 9:18 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

25h 58m2 stops Vancouver Intl Calgary

$1,410Air Canada

Mon, Aug 17 - Tue, Aug 25

9:30 am - 8:45 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

33h 15m2 stops Los Angeles Auckland Intl

11:55 am - 1:04 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

39h 09m3 stops Auckland Intl San Francisco Chicago O'Hare Intl

$1,446Multiple Airlines

Wed, Aug 19 - Wed, Sep 9

9:50 am - 7:30 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

31h 40m2 stops Las Vegas Harry Reid Intl Los Angeles

9:10 am - 8:04 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

36h 54m2 stops Los Angeles Las Vegas Harry Reid Intl

$1,465Multiple Airlines

Mon, Aug 17 - Mon, Aug 24

7:26 am - 6:55 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

33h 29m1 stop Dallas/Fort Worth

6:00 am - 6:41 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

50h 41m2 stops Melbourne Dallas/Fort Worth

$1,527Qantas Airways

Wed, Aug 19 - Wed, Sep 9

3:26 pm - 8:45 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

27h 19m2 stops Los Angeles Auckland Intl

9:30 am - 12:16 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

28h 46m1 stop Los Angeles

$1,554Air New Zealand

Mon, Aug 17 - Mon, Aug 24

3:55 pm - 8:50 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

26h 55m2 stops Dallas/Fort Worth Melbourne

6:00 am - 6:41 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

50h 41m2 stops Melbourne Dallas/Fort Worth

$1,652Qantas Airways

Wed, Aug 19 - Wed, Sep 9

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

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

American Airlines

Sep 28

BWI2:54 pmBaltimore/Washington

26h 11m

2 stops

SYD7:05 amSydney Kingsford Smith

Oct 5

SYD1:00 pmSydney Kingsford Smith

21h 26m

1 stop

BWI7:26 pmBaltimore/Washington

$1,295

American Airlines

Sep 28

BWI2:54 pmBaltimore/Washington

26h 11m

2 stops

SYD7:05 amSydney Kingsford Smith

Oct 5

SYD1:00 pmSydney Kingsford Smith

24h 54m

1 stop

BWI10:54 pmBaltimore/Washington

$1,297

American Airlines

Sep 9

BWI3:57 pmBaltimore/Washington

24h 58m

1 stop

SYD6:55 amSydney Kingsford Smith

Sep 21

SYD12:00 pmSydney Kingsford Smith

24h 59m

1 stop

BWI10:59 pmBaltimore/Washington

$1,305

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

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

Air Canada

Sep 28

IAD9:55 amWashington, D.C. Dulles Intl

31h 25m

2 stops

SYD7:20 amSydney Kingsford Smith

Oct 5

SYD10:20 amSydney Kingsford Smith

25h 05m

2 stops

IAD8:25 pmWashington, D.C. Dulles Intl

$1,353

Air Canada

Oct 19

DCA11:00 amWashington, D.C. Reagan-National

30h 20m

2 stops

SYD8:20 amSydney Kingsford Smith

Nov 2

SYD11:20 amSydney Kingsford Smith

22h 58m

2 stops

DCA6:18 pmWashington, D.C. Reagan-National

$1,366

Air Canada

Oct 19

DCA11:00 amWashington, D.C. Reagan-National

30h 20m

2 stops

SYD8:20 amSydney Kingsford Smith

Nov 2

SYD11:20 amSydney Kingsford Smith

22h 58m

2 stops

DCA6:18 pmWashington, D.C. Reagan-National

$1,375

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

Sun 9/13

7:50 am-11:50 am

3 stops38h 00m

Sydney Kingsford Smith

Wed 9/23

6:15 am-10:27 am

3 stops42h 12m

$1,043

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Wed 9/16

11:12 am-11:50 am

3 stops34h 38m

Sydney Kingsford Smith

Wed 9/23

1:15 pm-10:27 am

3 stops35h 12m

$1,044

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Mon 8/31

6:52 pm-6:55 am

1 stop22h 03m

Sydney Kingsford Smith

Mon 9/14

9:30 am-7:15 am

2 stops35h 45m

$1,238

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Mon 8/31

4:18 pm-6:55 am

2 stops24h 37m

Sydney Kingsford Smith

Mon 9/14

9:30 am-7:15 am

2 stops35h 45m

$1,242

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Tue 2/2

8:30 am-8:35 am

2 stops32h 05m

Sydney Kingsford Smith

Tue 2/16

9:55 am-12:50 am

2 stops30h 55m

$1,247

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Sun 1/17

8:30 am-8:35 am

2 stops32h 05m

Sydney Kingsford Smith

Tue 2/2

9:55 am-9:12 pm

2 stops27h 17m

$1,247

Quickest round-trip

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 10/21

4:04 pm-6:55 am

1 stop23h 51m

Sydney Kingsford Smith

Wed 11/18

2:05 pm-7:16 pm

1 stop21h 11m

$1,267

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 10/21

4:04 pm-6:55 am

1 stop23h 51m

Sydney Kingsford Smith

Wed 11/18

2:05 pm-7:16 pm

1 stop21h 11m

$1,268

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Mon 9/28

2:54 pm-7:05 am

2 stops26h 11m

Sydney Kingsford Smith

Mon 10/5

1:00 pm-7:26 pm

1 stop21h 26m

$1,295

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Mon 9/28

2:54 pm-7:05 am

2 stops26h 11m

Sydney Kingsford Smith

Mon 10/5

1:00 pm-10:54 pm

1 stop24h 54m

$1,297

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 $1,272 to $1,560.
The lowest price recently found on this route was $1,043.

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 $1,311. If you are unable to visit Sydney during the month of February, then departing from Washington, D.C. during the month April is also very affordable. Most momondo users find prices during this month for around $1,360.

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 $1,646 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 $1,266 on momondo.

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

You could potentially save up to 23% 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 August 2026, prices for Washington, D.C. to Sydney flights are approximately 92% 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

Fastest flight time	22h 49m
Direct flights	None

The fastest flight from Washington, D.C. to Sydney takes 22h 49m

There are no direct flights from Washington, D.C. to Sydney. There are no popular flight routes from Washington, D.C. to Sydney.

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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 49m 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 August 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 United Airlines, making up 34% of the total bookings. Other popular airlines include Qantas Airways 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
Delta	PriceFrom $282	Free Cancellation	Rating 7.8 8,509 reviews	Search Delta flights
United Airlines	PriceFrom $337	Free Cancellation	Rating 7.4 10,113 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $787	Free Cancellation	Rating 7.5 1,081 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.1 11,941 reviews	Search American Airlines flights
Air Canada	PriceFrom $847	Free Cancellation	Rating 7.1 11,478 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $1,285	Free Cancellation	Rating 8.0 662 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 $554

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 9/5. 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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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

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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