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.

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.

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

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

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

Los Angeles (LAX) was the most common stop: 50% 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 $2,256.

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 25h 54m, respectively.

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 June 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.

$706 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 $1,762 to $2,448. The lowest price recently found on this route was $1,434.

Discover deals from 900+ travel sites with momondo.

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

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:50 - 11:50

IAD

SYD

36h 00m

3 stops

13:15 - 10:16

SYD

IAD

35h 01m

3 stops

$1,434Multiple Airlines

Tue, 4 Aug - Tue, 11 Aug

13:13 - 07:00

BWI

SYD

27h 47m

2 stops

09:30 - 16:35

SYD

BWI

21h 05m

1 stop

$1,711United Airlines

Sun, 30 Aug - Sun, 6 Sep

12:30 - 06:50

BWI

SYD

28h 20m

2 stops

09:15 - 23:18

SYD

BWI

28h 03m

2 stops

$1,717Delta

Sun, 9 Aug - Sun, 23 Aug

14:18 - 06:50

BWI

SYD

26h 32m

2 stops

09:15 - 23:18

SYD

BWI

28h 03m

2 stops

$1,718Delta

Sun, 9 Aug - Sun, 23 Aug

07:00 - 22:10

DCA

SYD

49h 10m

3 stops

13:15 - 16:59

SYD

DCA

41h 44m

3 stops

$1,722Multiple Airlines

Mon, 10 Aug - Mon, 24 Aug

18:59 - 06:55

BWI

SYD

21h 56m

1 stop

10:20 - 17:43

SYD

BWI

21h 23m

1 stop

$1,764Air New Zealand

Sun, 26 Jul - Sun, 23 Aug

18:59 - 06:55

BWI

SYD

21h 56m

1 stop

10:20 - 17:43

SYD

BWI

21h 23m

1 stop

$1,766Air New Zealand

Sun, 26 Jul - Sun, 23 Aug

19:23 - 07:00

BWI

SYD

21h 37m

1 stop

09:30 - 16:35

SYD

BWI

21h 05m

1 stop

$1,767Air New Zealand

Sun, 9 Aug - Sun, 23 Aug

13:00 - 06:55

BWI

SYD

27h 55m

2 stops

09:30 - 16:35

SYD

BWI

21h 05m

1 stop

$1,770Air New Zealand

Tue, 18 Aug - Tue, 25 Aug

06:15 - 06:55

BWI

SYD

34h 40m

2 stops

10:20 - 17:43

SYD

BWI

21h 23m

1 stop

$1,773Air New Zealand

Sun, 26 Jul - Sun, 16 Aug

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

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

United Airlines

30 Aug

BWI17:44Baltimore/Washington

23h 16m

1 stop

SYD07:00Sydney Kingsford Smith

6 Sept

SYD09:30Sydney Kingsford Smith

21h 05m

1 stop

BWI16:35Baltimore/Washington

$1,711

United Airlines

30 July

BWI18:59Baltimore/Washington

21h 56m

1 stop

SYD06:55Sydney Kingsford Smith

12 Aug

SYD10:20Sydney Kingsford Smith

21h 23m

1 stop

BWI17:43Baltimore/Washington

$1,783

United Airlines

19 Aug

BWI16:18Baltimore/Washington

24h 37m

2 stops

SYD06:55Sydney Kingsford Smith

4 Sept

SYD09:30Sydney Kingsford Smith

24h 04m

2 stops

BWI19:34Baltimore/Washington

$1,789

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

1 July

BWI19:23Baltimore/Washington

21h 37m

1 stop

SYD07:00Sydney Kingsford Smith

8 July

SYD10:20Sydney Kingsford Smith

21h 37m

1 stop

BWI17:57Baltimore/Washington

$1,763

Air New Zealand

26 July

BWI18:59Baltimore/Washington

21h 56m

1 stop

SYD06:55Sydney Kingsford Smith

23 Aug

SYD10:20Sydney Kingsford Smith

21h 23m

1 stop

BWI17:43Baltimore/Washington

$1,764

Air New Zealand

26 July

BWI18:59Baltimore/Washington

21h 56m

1 stop

SYD06:55Sydney Kingsford Smith

23 Aug

SYD10:20Sydney Kingsford Smith

21h 23m

1 stop

BWI17:43Baltimore/Washington

$1,766

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 4/8

09:50-11:50

3 stops36h 00m

Sydney Kingsford Smith

Tue 11/8

13:15-10:16

3 stops35h 01m

$1,434

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 30/8

13:13-07:00

2 stops27h 47m

Sydney Kingsford Smith

Sun 6/9

09:30-16:35

1 stop21h 05m

$1,711

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 9/8

12:30-06:50

2 stops28h 20m

Sydney Kingsford Smith

Sun 23/8

09:15-23:18

2 stops28h 03m

$1,717

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 9/8

14:18-06:50

2 stops26h 32m

Sydney Kingsford Smith

Sun 23/8

09:15-23:18

2 stops28h 03m

$1,718

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 10/8

07:00-22:10

3 stops49h 10m

Sydney Kingsford Smith

Mon 24/8

13:15-16:59

3 stops41h 44m

$1,722

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 26/7

18:59-06:55

1 stop21h 56m

Sydney Kingsford Smith

Sun 23/8

10:20-17:43

1 stop21h 23m

$1,764

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 26/7

18:59-06:55

1 stop21h 56m

Sydney Kingsford Smith

Sun 23/8

10:20-17:43

1 stop21h 23m

$1,766

Fastest return journey

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 9/8

19:23-07:00

1 stop21h 37m

Sydney Kingsford Smith

Sun 23/8

09:30-16:35

1 stop21h 05m

$1,767

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 18/8

13:00-06:55

2 stops27h 55m

Sydney Kingsford Smith

Tue 25/8

09:30-16:35

1 stop21h 05m

$1,770

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 26/7

06:15-06:55

2 stops34h 40m

Sydney Kingsford Smith

Sun 16/8

10:20-17:43

1 stop21h 23m

$1,773

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 $112. If you aren’t able to travel to Sydney during the month of August, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $255.

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 $2,376 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 $1,021 on momondo.

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

You could potentially save up to 13% 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 June 2026, prices for Washington, D.C. to Sydney flights are approximately 82% 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 June 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 $1,668	Free cancellation	Rating 7.4 9,881 reviews		Search United Airlines flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Manly

Coogee

Leura

Lithgow

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.