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

Dallas (DFW) was the most common stop: 36% 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 21h 56m on average. Another popular route from Washington, D.C. to Sydney is flying from Washington, D.C. to Sydney, which will take roughly 26h 33m. Keep in mind that layovers or delays could extend your travel time.

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

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

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.

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 58% 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 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.

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 March 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.

$488 Cheap Flights from Washington, D.C. to Sydney in 2026

Q: What is the typical price of a round-trip flight between Washington, D.C. and Sydney?

Prices are currently typical for flights on this route. Typical prices usually range from $1,132 to $1,652. The lowest price recently found on this route was $1,155.

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:07 am - 7:05 am

IAD

SYD

29h 58m

2 stops

9:10 am - 10:12 am

SYD

IAD

39h 02m

2 stops

$1,155Multiple Airlines

ג', מאי 5 - ג', מאי 12

6:59 pm - 11:50 am

DCA

SYD

26h 51m

2 stops

1:15 pm - 10:55 pm

SYD

DCA

23h 40m

2 stops

$1,179Fiji Airways

ג', מאי 5 - ג', מאי 12

11:12 am - 7:05 am

IAD

SYD

29h 53m

2 stops

9:10 am - 6:42 pm

SYD

IAD

47h 32m

2 stops

$1,181Multiple Airlines

ד', מאי 6 - ד', מאי 13

11:00 am - 7:20 am

DCA

SYD

30h 20m

2 stops

9:20 am - 10:19 am

SYD

DCA

38h 59m

2 stops

$1,213Air Canada

ב', אפר' 27 - ב', מאי 11

9:55 am - 7:20 am

IAD

SYD

31h 25m

2 stops

9:20 am - 8:29 pm

SYD

IAD

25h 09m

2 stops

$1,218Air Canada

ב', אפר' 27 - ב', מאי 11

7:17 pm - 6:55 am

BWI

SYD

21h 38m

1 stop

12:00 pm - 6:27 pm

SYD

BWI

20h 27m

1 stop

$1,435Qantas Airways

ד', מאי 6 - ד', מאי 13

7:17 pm - 6:55 am

BWI

SYD

21h 38m

1 stop

12:00 pm - 6:27 pm

SYD

BWI

20h 27m

1 stop

$1,451American Airlines

ד', מאי 6 - ד', מאי 13

7:17 pm - 6:55 am

BWI

SYD

21h 38m

1 stop

9:10 am - 6:00 pm

SYD

BWI

22h 50m

2 stops

$1,452American Airlines

ד', מאי 6 - ד', מאי 13

5:45 pm - 7:00 am

BWI

SYD

23h 15m

1 stop

9:30 am - 4:31 pm

SYD

BWI

21h 01m

1 stop

$1,454United Airlines

א', אוג' 16 - ב', אוג' 24

2:59 pm - 6:55 am

BWI

SYD

25h 56m

1 stop

12:00 pm - 7:20 pm

SYD

BWI

21h 20m

1 stop

$1,456Qantas Airways

ד', יוני 3 - ג', יוני 16

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

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

Turkish Airlines

May 10

IAD1:20 pmWashington, D.C. Dulles Intl

39h 50m

2 stops

SYD7:10 pmSydney Kingsford Smith

May 19

SYD9:05 pmSydney Kingsford Smith

36h 45m

2 stops

IAD7:50 pmWashington, D.C. Dulles Intl

$1,316

Turkish Airlines

May 10

IAD1:20 pmWashington, D.C. Dulles Intl

39h 50m

2 stops

SYD7:10 pmSydney Kingsford Smith

May 19

SYD9:05 pmSydney Kingsford Smith

36h 45m

2 stops

IAD7:50 pmWashington, D.C. Dulles Intl

$1,317

Turkish Airlines

Apr 14

IAD1:20 pmWashington, D.C. Dulles Intl

39h 50m

2 stops

SYD7:10 pmSydney Kingsford Smith

May 5

SYD9:05 pmSydney Kingsford Smith

52h 30m

2 stops

IAD11:35 amWashington, D.C. Dulles Intl

$1,339

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

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

Air Canada

Apr 27

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

30h 20m

2 stops

SYD7:20 amSydney Kingsford Smith

May 11

SYD9:20 amSydney Kingsford Smith

38h 59m

2 stops

DCA10:19 amWashington, D.C. Reagan-National

$1,213

Air Canada

Apr 27

IAD9:55 amWashington, D.C. Dulles Intl

31h 25m

2 stops

SYD7:20 amSydney Kingsford Smith

May 11

SYD9:20 amSydney Kingsford Smith

25h 09m

2 stops

IAD8:29 pmWashington, D.C. Dulles Intl

$1,218

Air Canada

Apr 20

IAD9:55 amWashington, D.C. Dulles Intl

31h 25m

2 stops

SYD7:20 amSydney Kingsford Smith

Apr 27

SYD9:20 amSydney Kingsford Smith

25h 09m

2 stops

IAD8:29 pmWashington, D.C. Dulles Intl

$1,219

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

ג' 5/5

11:07 am-7:05 am

2 stops29h 58m

Sydney Kingsford Smith

ג' 5/12

9:10 am-10:12 am

2 stops39h 02m

$1,155

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

ג' 5/5

6:59 pm-11:50 am

2 stops26h 51m

Sydney Kingsford Smith

ג' 5/12

1:15 pm-10:55 pm

2 stops23h 40m

$1,179

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

ד' 5/6

11:12 am-7:05 am

2 stops29h 53m

Sydney Kingsford Smith

ד' 5/13

9:10 am-6:42 pm

2 stops47h 32m

$1,181

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

ב' 4/27

11:00 am-7:20 am

2 stops30h 20m

Sydney Kingsford Smith

ב' 5/11

9:20 am-10:19 am

2 stops38h 59m

$1,213

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

ב' 4/27

9:55 am-7:20 am

2 stops31h 25m

Sydney Kingsford Smith

ב' 5/11

9:20 am-8:29 pm

2 stops25h 09m

$1,218

Quickest round-trip

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

ד' 5/6

7:17 pm-6:55 am

1 stop21h 38m

Sydney Kingsford Smith

ד' 5/13

12:00 pm-6:27 pm

1 stop20h 27m

$1,435

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

ד' 5/6

7:17 pm-6:55 am

1 stop21h 38m

Sydney Kingsford Smith

ד' 5/13

12:00 pm-6:27 pm

1 stop20h 27m

$1,451

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

ד' 5/6

7:17 pm-6:55 am

1 stop21h 38m

Sydney Kingsford Smith

ד' 5/13

9:10 am-6:00 pm

2 stops22h 50m

$1,452

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

א' 8/16

5:45 pm-7:00 am

1 stop23h 15m

Sydney Kingsford Smith

ב' 8/24

9:30 am-4:31 pm

1 stop21h 01m

$1,454

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

ד' 6/3

2:59 pm-6:55 am

1 stop25h 56m

Sydney Kingsford Smith

ג' 6/16

12:00 pm-7:20 pm

1 stop21h 20m

$1,456

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?

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 $1,121. If you are unable to visit Sydney during the month of August, then departing from Washington, D.C. during the month February is also very affordable. Most momondo users find prices during this month for around $1,294.

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 $1,623 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 $655 on momondo.

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

You could potentially save up to 29% 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 March 2026, prices for Washington, D.C. to Sydney flights are approximately 3% 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	21h 56m
Direct flights	None

The fastest flight from Washington, D.C. to Sydney takes 21h 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

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 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 March 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 29% of the total bookings. Other popular airlines include United Airlines with 29%, American Airlines with 12%, and Delta with 12%.

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 8,315 reviews	Search Delta flights
United Airlines	PriceFrom $346	Free Cancellation	Rating 7.4 9,465 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $787	Free Cancellation	Rating 7.5 1,009 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.1 11,486 reviews	Search American Airlines flights
Air Canada	PriceFrom $854	Free Cancellation	Rating 7.1 10,835 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $1,285	Free Cancellation	Rating 8.0 618 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 $488

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 4/20. 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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Turkish Airlines flights from Washington, D.C. to Sydney

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

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Our best Air Canada 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 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

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

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Direct flights

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

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An easier way to manage your Sydney trip

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