What airlines fly to Sydney?

American Airlines, United Airlines and Qantas Airways are the top three most popular airlines that fly to Sydney from Washington, D.C. according to our data. American Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 7 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 Chicago (ORD) offer the lowest average round-trip price of $346.

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

Dallas (DFW) was the most common stop: 46% of momondo users choosing 1-stop flights on this route connected there.

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

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 7h 09m.

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

Chicago (ORD) has the shortest average layover time for this route: 0h 39m.

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 32m on average. Another popular route from Washington, D.C. to Sydney is flying from Washington, D.C. to Sydney, which will take roughly 27h 15m. 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 7 as of September 2025.

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.

$552 Cheap Flights from Washington, D.C. to Sydney in 2025/26

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

Round-trip

One-way

Last minute

Cheap round-trip flights

6:15 am - 8:05 amIAD-SYD

34h 50m2 stops

2:05 pm - 1:11 amSYD-IAD

26h 06m2 stops

$1,032Multiple Airlines

Find Deal

lun., oct. 20 - dom., nov. 2

6:00 am - 7:00 amIAD-SYD

34h 00m2 stops

12:10 pm - 12:11 amSYD-IAD

28h 01m2 stops

$1,037Multiple Airlines

Find Deal

jue., oct. 30 - jue., nov. 6

1:27 pm - 9:55 pmBWI-SYD

41h 28m2 stops

2:05 pm - 11:02 pmSYD-BWI

24h 57m1 stop

$1,109Qantas Airways

Find Deal

vie., oct. 31 - vie., nov. 7

3:23 pm - 6:55 amBWI-SYD

23h 32m1 stop

6:05 am - 2:15 pmSYD-BWI

24h 10m2 stops

$1,116Qantas Airways

Find Deal

mar., nov. 11 - dom., nov. 23

7:28 pm - 7:00 amBWI-SYD

21h 32m1 stop

11:20 am - 5:58 pmSYD-BWI

21h 38m1 stop

$1,183United Airlines

Find Deal

sáb., sep. 27 - sáb., oct. 18

7:28 pm - 7:00 amBWI-SYD

21h 32m1 stop

10:30 am - 7:27 pmSYD-BWI

23h 57m2 stops

$1,187United Airlines

Find Deal

sáb., sep. 27 - sáb., oct. 18

12:38 pm - 10:30 amIAD-SYD

29h 52m2 stops

11:45 am - 12:24 amSYD-IAD

27h 39m2 stops

$1,287Air New Zealand

Find Deal

mié., feb. 25 - mié., mar. 11

12:38 pm - 8:45 amIAD-SYD

28h 07m2 stops

11:45 am - 12:24 amSYD-IAD

27h 39m2 stops

$1,290Air New Zealand

Find Deal

mié., feb. 25 - mié., mar. 11

4:59 pm - 12:30 pmDCA-SYD

27h 31m2 stops

2:30 pm - 9:00 pmSYD-DCA

22h 30m2 stops

$1,304Fiji Airways

Find Deal

sáb., dic. 6 - sáb., dic. 13

7:35 pm - 10:10 pmDCA-SYD

36h 35m2 stops

6:00 am - 11:00 pmSYD-DCA

32h 00m2 stops

$1,325Fiji Airways

Find Deal

sáb., sep. 27 - sáb., oct. 11

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

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

Alaska Airlines

Oct 29

IAD6:13 pmWashington, D.C. Dulles Intl

34h 32m

2 stops

SYD7:45 pmSydney Kingsford Smith

Nov 13

SYD9:40 pmSydney Kingsford Smith

24h 43m

2 stops

IAD6:23 amWashington, D.C. Dulles Intl

$1,136

Find similar

Alaska Airlines

Oct 28

IAD6:13 pmWashington, D.C. Dulles Intl

34h 32m

2 stops

SYD7:45 pmSydney Kingsford Smith

Nov 16

SYD9:40 pmSydney Kingsford Smith

24h 43m

2 stops

IAD6:23 amWashington, D.C. Dulles Intl

$1,155

Find similar

Alaska Airlines

Oct 29

IAD6:13 pmWashington, D.C. Dulles Intl

34h 32m

2 stops

SYD7:45 pmSydney Kingsford Smith

Nov 15

SYD9:40 pmSydney Kingsford Smith

48h 43m

2 stops

IAD6:23 amWashington, D.C. Dulles Intl

$1,170

Find similar

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

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

Fiji Airways

Dec 6

DCA4:59 pmWashington, D.C. Reagan-National

27h 31m

2 stops

SYD12:30 pmSydney Kingsford Smith

Dec 13

SYD2:30 pmSydney Kingsford Smith

22h 30m

2 stops

DCA9:00 pmWashington, D.C. Reagan-National

$1,304

Find similar

Fiji Airways

Sep 27

DCA7:35 pmWashington, D.C. Reagan-National

36h 35m

2 stops

SYD10:10 pmSydney Kingsford Smith

Oct 11

SYD6:00 amSydney Kingsford Smith

32h 00m

2 stops

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

$1,325

Find similar

Fiji Airways

Nov 15

DCA4:59 pmWashington, D.C. Reagan-National

27h 31m

2 stops

SYD12:30 pmSydney Kingsford Smith

Nov 25

SYD2:10 pmSydney Kingsford Smith

22h 50m

2 stops

DCA9:00 pmWashington, D.C. Reagan-National

$1,332

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

lun. 10/20

6:15 am-8:05 am

2 stops34h 50m

Sydney Kingsford Smith

dom. 11/2

2:05 pm-1:11 am

2 stops26h 06m

$1,032

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

jue. 10/30

6:00 am-7:00 am

2 stops34h 00m

Sydney Kingsford Smith

jue. 11/6

12:10 pm-12:11 am

2 stops28h 01m

$1,037

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

vie. 10/31

1:27 pm-9:55 pm

2 stops41h 28m

Sydney Kingsford Smith

vie. 11/7

2:05 pm-11:02 pm

1 stop24h 57m

$1,109

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

mar. 11/11

3:23 pm-6:55 am

1 stop23h 32m

Sydney Kingsford Smith

dom. 11/23

6:05 am-2:15 pm

2 stops24h 10m

$1,116

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

sáb. 9/27

7:28 pm-7:00 am

1 stop21h 32m

Sydney Kingsford Smith

sáb. 10/18

11:20 am-5:58 pm

1 stop21h 38m

$1,183

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

sáb. 9/27

7:28 pm-7:00 am

1 stop21h 32m

Sydney Kingsford Smith

sáb. 10/18

10:30 am-7:27 pm

2 stops23h 57m

$1,187

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

mié. 2/25

12:38 pm-10:30 am

2 stops29h 52m

Sydney Kingsford Smith

mié. 3/11

11:45 am-12:24 am

2 stops27h 39m

$1,287

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

mié. 2/25

12:38 pm-8:45 am

2 stops28h 07m

Sydney Kingsford Smith

mié. 3/11

11:45 am-12:24 am

2 stops27h 39m

$1,290

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

sáb. 12/6

4:59 pm-12:30 pm

2 stops27h 31m

Sydney Kingsford Smith

sáb. 12/13

2:30 pm-9:00 pm

2 stops22h 30m

$1,304

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

sáb. 9/27

7:35 pm-10:10 pm

2 stops36h 35m

Sydney Kingsford Smith

sáb. 10/11

6:00 am-11:00 pm

2 stops32h 00m

$1,325

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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 cheapest month to fly to Sydney?

In general, August 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 $862. If you are unable to visit Sydney during the month of August, then departing from Washington, D.C. during the month April is also very affordable. Most momondo users find prices during this month for around $901.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from Washington, D.C. to Sydney is on a Tuesday when prices can be found for as low as $1,353. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,485.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is at noon. momondo users have found flights departing from Washington, D.C. to Sydney at noon for as low as $1,219. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the evening, with an average ticket price of $1,464. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight 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 $1,317 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 $534 on momondo.

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

You could potentially save up to 39% 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 2025, prices for Washington, D.C. to Sydney flights are approximately 62% 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

Direct flights	None

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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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. 21h 32m 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 7 as of September 2025.
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 American Airlines, making up 46% of the total bookings. Other popular airlines include Qantas Airways with 19%, United Airlines with 16%, 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 $276	Free Cancellation	Rating 7.9 7,961 reviews	Search Delta flights
United Airlines	PriceFrom $346	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $787	Free Cancellation	Rating 7.5 907 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $830	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Air Canada	PriceFrom $984	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $1,289	Free Cancellation	Rating 8.0 505 reviews	Search Air New Zealand flights
ANA	PriceFrom $1,370	Free Cancellation	Rating 8.4 964 reviews	Search ANA flights

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Coogee

Lithgow

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Swansea

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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Airports servicing New South Wales

Popular cities in Australia

Flights to Melbournefrom $740

Flights to Brisbanefrom $555

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Flights to Adelaidefrom $789

Flights to Cairnsfrom $933

Flights to Coolangattafrom $870

Flights to Hobartfrom $1,039

Flights to Canberrafrom $997

Flights to Darwinfrom $1,375

Flights to Maroochydorefrom $1,244

Flights to Launcestonfrom $1,014

Flights to Ballinafrom $1,444

Fly to other destinations from Washington, D.C.

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Cheap flights from Washington, D.C. to Sydney from $552

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 10/30. 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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Alaska Airlines flights from Washington, D.C. to Sydney

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

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

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

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

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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

What is the cheapest month to fly to Sydney?

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from Washington, D.C. to Sydney is on a Tuesday when prices can be found for as low as $1,353. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,485.

What is the cheapest time of day to depart on your flight to Sydney?

How far in advance should I book a flight to Sydney?

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

You could potentially save up to 39% 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 2025, prices for Washington, D.C. to Sydney flights are approximately 62% cheaper when compared to flights at the same time last year.

What airlines fly to Sydney?

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

Dallas (DFW) was the most common stop: 46% 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 Chicago (ORD) offer the lowest average round-trip price of $346.

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

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 7h 09m.

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

Chicago (ORD) has the shortest average layover time for this route: 0h 39m.

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

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Sydney

Direct flights

How far is Washington, D.C. to Sydney Kingsford Smith by plane?

When did momondo last update prices for flights from Washington, D.C. to Sydney Kingsford Smith Airport?

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

How old do you have to be to fly from Washington, D.C. to Sydney Kingsford Smith Airport?

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

What is the most popular airline 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?

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

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

How can momondo help me find flights from Washington, D.C. to Sydney?

I’m not ready to book a flight from Washington, D.C. to Sydney right now. Can momondo alert me if prices change?

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.

Find better results for your trip to Australia

Airports servicing New South Wales