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 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 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.

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 49m on average. Another popular route from Washington, D.C. to Sydney is flying from Washington, D.C. to Sydney, which will take roughly 25h 32m. Keep in mind that layovers or delays could extend your travel time.

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.

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

United Airlines is the most popular carrier operating from Washington, D.C. to Sydney Kingsford Smith

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.

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.

$614 Cheap Flights from Washington, D.C. to Sydney in 2026

Discover deals from 900+ travel sites with momondo.

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

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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

1:15 pm - 9:32 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

34h 17m3 stops Nadi Los Angeles Orlando

$1,034Multiple Airlines

Mon, Sep 14 - Sun, Sep 20

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

34h 38m3 stops Orlando 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

$1,045Multiple Airlines

Wed, Sep 16 - Wed, Sep 23

6:10 am - 9:35 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

35h 25m2 stops Chicago O'Hare Intl Vancouver Intl

11:20 am - 10:34 amSYD Sydney Kingsford Smith-BWI Baltimore/Washington

39h 14m2 stops Vancouver Intl Chicago O'Hare Intl

$1,200Air New Zealand

Sun, Nov 1 - Mon, Nov 30

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

6:10 am - 9:35 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

35h 25m2 stops Chicago O'Hare Intl Vancouver Intl

11:20 am - 10:29 amSYD Sydney Kingsford Smith-BWI Baltimore/Washington

39h 09m2 stops Vancouver Intl Chicago O'Hare Intl

$1,238Air New Zealand

Sun, Nov 1 - Sat, Nov 7

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

$1,239United Airlines

Mon, Aug 31 - Mon, Sep 14

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

24h 58m1 stop Dallas/Fort Worth

12:00 pm - 9:29 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

23h 29m1 stop Dallas/Fort Worth

$1,268Qantas Airways

Tue, Sep 15 - Tue, Sep 22

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

24h 58m1 stop Dallas/Fort Worth

12:00 pm - 9:29 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

23h 29m1 stop Dallas/Fort Worth

$1,287Qantas Airways

Wed, Sep 16 - Wed, Sep 23

2:33 pm - 9:00 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

26h 27m2 stops Charlotte Douglas Los Angeles

11:15 am - 7:05 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

23h 50m2 stops Los Angeles Charlotte Douglas

$1,298American Airlines

Sat, Nov 7 - Sat, Nov 14

11:51 am - 9:00 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

29h 09m2 stops Dallas/Fort Worth Los Angeles

2:05 pm - 11:01 amSYD Sydney Kingsford Smith-BWI Baltimore/Washington

36h 56m1 stop Dallas/Fort Worth

$1,298American Airlines

Sat, Nov 7 - Sat, Nov 14

Cheap last minute flights

Enter your travel dates to find the best prices.

9:00 am - 7:00 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

32h 00m1 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 23 - Sun, Sep 6

9:00 am - 7:00 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

32h 00m1 stop Los Angeles

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

21h 05m1 stop Los Angeles

$1,232United Airlines

Sun, Aug 23 - Sun, Sep 6

8:20 am - 8:45 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

34h 25m2 stops Los Angeles Auckland Intl

11:55 am - 12:41 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

27h 46m2 stops Auckland Intl Los Angeles

$1,248Air New Zealand

Sun, Aug 23 - Wed, Oct 14

8:20 am - 8:45 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

34h 25m2 stops Los Angeles Auckland Intl

11:55 am - 12:41 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

27h 46m2 stops Auckland Intl Los Angeles

$1,250Air New Zealand

Sun, Aug 23 - Wed, Oct 14

3:55 pm - 7:05 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

25h 10m2 stops Dallas/Fort Worth Los Angeles

12:00 pm - 11:41 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

25h 41m1 stop Dallas/Fort Worth

$1,340American Airlines

Fri, Aug 21 - Fri, Aug 28

3:55 pm - 7:05 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

25h 10m2 stops Dallas/Fort Worth Los Angeles

12:00 pm - 8:49 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

22h 49m2 stops Dallas/Fort Worth Charlotte Douglas

$1,340American Airlines

Fri, Aug 21 - Fri, Aug 28

12:03 pm - 6:50 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

28h 47m2 stops Atlanta Hartsfield-Jackson Los Angeles

9:15 am - 9:23 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

26h 08m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,343Delta

Fri, Aug 21 - Fri, Aug 28

2:18 pm - 6:50 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

26h 32m2 stops Atlanta Hartsfield-Jackson Los Angeles

9:15 am - 11:18 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

28h 03m2 stops Los Angeles Minneapolis St Paul

$1,344Delta

Fri, Aug 21 - Fri, Aug 28

3:10 pm - 6:10 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

49h 00m1 stop Abu Dhabi Zayed Intl

4:40 pm - 9:45 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

32h 05m1 stop Abu Dhabi Zayed Intl

$1,472Etihad Airways

Sun, Aug 23 - Wed, Oct 14

1:15 pm - 7:10 pmIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

39h 55m2 stops Istanbul Kuala Lumpur Intl

10:05 pm - 11:30 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

52h 25m2 stops Kuala Lumpur Intl Istanbul

$1,483Turkish Airlines

Mon, Aug 24 - Wed, Oct 14

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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

Nov 1

BWI6:10 amBaltimore/Washington

35h 25m

2 stops

SYD9:35 amSydney Kingsford Smith

Nov 30

SYD11:20 amSydney Kingsford Smith

39h 14m

2 stops

BWI10:34 amBaltimore/Washington

$1,200

Air New Zealand

Oct 26

BWI11:25 amBaltimore/Washington

30h 10m

2 stops

SYD8:35 amSydney Kingsford Smith

Nov 3

SYD11:50 amSydney Kingsford Smith

26h 54m

2 stops

BWI10:44 pmBaltimore/Washington

$1,248

Air New Zealand

Nov 16

IAD9:00 amWashington, D.C. Dulles Intl

33h 35m

2 stops

SYD10:35 amSydney Kingsford Smith

Dec 2

SYD11:50 amSydney Kingsford Smith

24h 45m

2 stops

IAD8:35 pmWashington, D.C. Dulles Intl

$1,249

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

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

United Airlines

Aug 23

BWI9:00 amBaltimore/Washington

32h 00m

1 stop

SYD7:00 amSydney Kingsford Smith

Sep 6

SYD9:30 amSydney Kingsford Smith

21h 05m

1 stop

BWI4:35 pmBaltimore/Washington

$1,229

United Airlines

Aug 23

BWI9:00 amBaltimore/Washington

32h 00m

1 stop

SYD7:00 amSydney Kingsford Smith

Sep 6

SYD9:30 amSydney Kingsford Smith

21h 05m

1 stop

BWI4:35 pmBaltimore/Washington

$1,232

United Airlines

Aug 23

BWI9:00 amBaltimore/Washington

32h 00m

1 stop

SYD7:00 amSydney Kingsford Smith

Sep 6

SYD9:30 amSydney Kingsford Smith

21h 05m

1 stop

BWI4:35 pmBaltimore/Washington

$1,234

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

Mon 9/14

7:50 am-11:50 am

3 stops38h 00m

Sydney Kingsford Smith

Sun 9/20

1:15 pm-9:32 am

3 stops34h 17m

$1,034

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

6:15 am-10:27 am

3 stops42h 12m

$1,045

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sun 11/1

6:10 am-9:35 am

2 stops35h 25m

Sydney Kingsford Smith

Mon 11/30

11:20 am-10:34 am

2 stops39h 14m

$1,200

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

Sun 11/1

6:10 am-9:35 am

2 stops35h 25m

Sydney Kingsford Smith

Sat 11/7

11:20 am-10:29 am

2 stops39h 09m

$1,238

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

$1,239

Quickest round-trip

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Tue 9/15

3:57 pm-6:55 am

1 stop24h 58m

Sydney Kingsford Smith

Tue 9/22

12:00 pm-9:29 pm

1 stop23h 29m

$1,268

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 9/16

3:57 pm-6:55 am

1 stop24h 58m

Sydney Kingsford Smith

Wed 9/23

12:00 pm-9:29 pm

1 stop23h 29m

$1,287

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sat 11/7

2:33 pm-9:00 am

2 stops26h 27m

Sydney Kingsford Smith

Sat 11/14

11:15 am-7:05 pm

2 stops23h 50m

$1,298

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sat 11/7

11:51 am-9:00 am

2 stops29h 09m

Sydney Kingsford Smith

Sat 11/14

2:05 pm-11:01 am

1 stop36h 56m

$1,298

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 $1,281 to $1,588.
The lowest price recently found on this route was $1,034.

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 $1,633 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 $1,248 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 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

Best Price Found	$614
Fastest flight time	22h 49m
Direct flights	None

The best one-way flight to Sydney from Washington, D.C. in the past 72 hours is $614. The best round-trip flight deal from Washington, D.C. to Sydney found on momondo in the last 72 hours is $1,034.

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.

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 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 Qantas Airways, making up 34% of the total bookings. Other popular airlines include United Airlines with 34%, American Airlines with 12%, and Delta with 7%.

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 8,513 reviews	Search Delta flights
United Airlines	PriceFrom $357	Free Cancellation	Rating 7.4 10,106 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $787	Free Cancellation	Rating 7.5 1,084 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.1 11,980 reviews	Search American Airlines flights
Air Canada	PriceFrom $854	Free Cancellation	Rating 7.1 11,513 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $1,285	Free Cancellation	Rating 8.0 663 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 $614

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 9/4. 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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Air New Zealand flights from Washington, D.C. to Sydney

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

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

Our best United 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

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List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

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