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

Flights connecting via Los Angeles (LAX) have the shortest average one-way travel time: 22h 30m.

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

San Francisco (SFO) was the most common stop: 67% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from Washington, D.C. to Sydney?

Flights via Los Angeles (LAX) offer the lowest average return price of $2,160.

How long does it take to fly to Sydney?

If you’re flying from a popular airport in Washington, D.C., such as Baltimore or Washington, D.C., and flying into Sydney, then you can expect flight times to average 21h 56m and 23h 47m, respectively.

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

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

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

Los Angeles (LAX) has the shortest average stopover time for this route: 1h 35m.

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 refresh daily.

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

As of May 2026, there is 1 operator available to choose from 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?

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 stopovers. 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 travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$746 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 low for flights on this route. Typical prices usually range from $2,108 to $1,520. The lowest price recently found on this route was $1,393.

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

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

16:50 - 06:50

DCA

SYD

24h 00m

1 stop

09:15 - 15:35

SYD

DCA

20h 20m

1 stop

$1,393Delta

Mon, 1 Jun - Sun, 7 Jun

16:50 - 06:50

DCA

SYD

24h 00m

1 stop

09:15 - 15:35

SYD

DCA

20h 20m

1 stop

$1,394Delta

Mon, 1 Jun - Sun, 7 Jun

10:16 - 06:50

IAD

SYD

30h 34m

2 stops

09:15 - 00:44

SYD

IAD

29h 29m

2 stops

$1,400Delta

Mon, 15 Jun - Mon, 29 Jun

13:43 - 06:50

DCA

SYD

27h 07m

2 stops

09:15 - 18:30

SYD

DCA

23h 15m

2 stops

$1,400Delta

Mon, 1 Jun - Sun, 7 Jun

11:15 - 06:50

IAD

SYD

29h 35m

2 stops

09:15 - 18:42

SYD

IAD

23h 27m

2 stops

$1,401Delta

Mon, 1 Jun - Sun, 7 Jun

16:50 - 06:50

DCA

SYD

24h 00m

1 stop

09:15 - 18:30

SYD

DCA

23h 15m

2 stops

$1,401Delta

Mon, 1 Jun - Sun, 7 Jun

15:03 - 07:00

BWI

SYD

25h 57m

2 stops

10:20 - 17:50

SYD

BWI

21h 30m

1 stop

$1,600United Airlines

Wed, 22 Jul - Tue, 18 Aug

15:03 - 07:00

BWI

SYD

25h 57m

2 stops

09:30 - 16:35

SYD

BWI

21h 05m

1 stop

$1,601United Airlines

Sun, 9 Aug - Sun, 23 Aug

15:03 - 07:00

BWI

SYD

25h 57m

1 stop

09:30 - 16:35

SYD

BWI

21h 05m

1 stop

$1,602Air New Zealand

Tue, 4 Aug - Sun, 27 Sep

15:45 - 07:20

IAD

SYD

25h 35m

2 stops

09:20 - 19:01

SYD

IAD

23h 41m

2 stops

$1,954Air Canada

Wed, 24 Jun - Wed, 15 Jul

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

4 Aug

BWI15:03Baltimore/Washington

25h 57m

1 stop

SYD07:00Sydney Kingsford Smith

27 Sept

SYD09:30Sydney Kingsford Smith

21h 05m

1 stop

BWI16:35Baltimore/Washington

$1,602

Air New Zealand

19 May

BWI12:47Baltimore/Washington

28h 08m

2 stops

SYD06:55Sydney Kingsford Smith

16 June

SYD09:30Sydney Kingsford Smith

22h 13m

1 stop

BWI17:43Baltimore/Washington

$1,605

Air New Zealand

19 May

BWI06:20Baltimore/Washington

34h 40m

1 stop

SYD07:00Sydney Kingsford Smith

17 June

SYD09:30Sydney Kingsford Smith

22h 13m

1 stop

BWI17:43Baltimore/Washington

$1,613

Delta flights from Washington, D.C. to Sydney

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

Delta

1 June

DCA16:50Washington, D.C. Reagan-National

24h 00m

1 stop

SYD06:50Sydney Kingsford Smith

7 June

SYD09:15Sydney Kingsford Smith

20h 20m

1 stop

DCA15:35Washington, D.C. Reagan-National

$1,393

Delta

1 June

DCA16:50Washington, D.C. Reagan-National

24h 00m

1 stop

SYD06:50Sydney Kingsford Smith

7 June

SYD09:15Sydney Kingsford Smith

20h 20m

1 stop

DCA15:35Washington, D.C. Reagan-National

$1,394

Delta

15 June

IAD10:16Washington, D.C. Dulles Intl

30h 34m

2 stops

SYD06:50Sydney Kingsford Smith

29 June

SYD09:15Sydney Kingsford Smith

29h 29m

2 stops

IAD00:44Washington, D.C. Dulles Intl

$1,400

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 1/6

16:50-06:50

1 stop24h 00m

Sydney Kingsford Smith

Sun 7/6

09:15-15:35

1 stop20h 20m

$1,393

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 1/6

16:50-06:50

1 stop24h 00m

Sydney Kingsford Smith

Sun 7/6

09:15-15:35

1 stop20h 20m

$1,394

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 15/6

10:16-06:50

2 stops30h 34m

Sydney Kingsford Smith

Mon 29/6

09:15-00:44

2 stops29h 29m

$1,400

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 1/6

13:43-06:50

2 stops27h 07m

Sydney Kingsford Smith

Sun 7/6

09:15-18:30

2 stops23h 15m

$1,400

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 1/6

11:15-06:50

2 stops29h 35m

Sydney Kingsford Smith

Sun 7/6

09:15-18:42

2 stops23h 27m

$1,401

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 1/6

16:50-06:50

1 stop24h 00m

Sydney Kingsford Smith

Sun 7/6

09:15-18:30

2 stops23h 15m

$1,401

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 22/7

15:03-07:00

2 stops25h 57m

Sydney Kingsford Smith

Tue 18/8

10:20-17:50

1 stop21h 30m

$1,600

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 9/8

15:03-07:00

2 stops25h 57m

Sydney Kingsford Smith

Sun 23/8

09:30-16:35

1 stop21h 05m

$1,601

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 4/8

15:03-07:00

1 stop25h 57m

Sydney Kingsford Smith

Sun 27/9

09:30-16:35

1 stop21h 05m

$1,602

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 24/6

15:45-07:20

2 stops25h 35m

Sydney Kingsford Smith

Wed 15/7

09:20-19:01

2 stops23h 41m

$1,954

Flights are sorted by cheapest return 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

Stopovers

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?

The month of August is, on average, the cheapest month to fly to Sydney from Washington, D.C., with most prices found around $108. If you aren’t able to travel to Sydney during the month of August, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $189.

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 $2,237 when searching weeks before you fly. 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 $1,045 on momondo.

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

You could potentially save up to 16% 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 May 2026, prices for Washington, D.C. to Sydney flights are approximately 132% 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 return 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

Frequently asked questions about flying from Washington, D.C. to Sydney

How far is Washington, D.C. to Sydney Kingsford Smith by plane?
Washington, D.C. and Sydney Kingsford Smith are 15700.1 km apart from one another. By plane, this route typically takes 21h 56m.
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 refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Sydney Kingsford Smith Airport?
As of May 2026, there is 1 operator available to choose from 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?
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 stopovers. 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 travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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 $1,788	Free cancellation	Rating 7.4 9,694 reviews		Search United Airlines flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Manly

Coogee

Leura

Bondi Beach

Cronulla

Randwick

Charlestown

Newport

Swansea

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Sydney for you.

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

Flights from Washington, D.C. to Sydney with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Washington, D.C..

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.