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Cheap flights from Washington, D.C. to Sydney from $764

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 30/8. 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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Find the cheapest flights from Washington, D.C. to Sydney

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from Washington, D.C. to Sydney.
 Logo
14:14 - 11:45BWI-SYD
31h 31m2 stops
 Logo
06:15 - 22:48SYD-BWI
30h 33m2 stops
$1,513
Find Deal
Tue, 3 Jun - Tue, 10 Jun
 Logo
14:14 - 11:45BWI-SYD
31h 31m2 stops
 Logo
13:15 - 06:10SYD-BWI
30h 55m3 stops
$1,585
Find Deal
Tue, 3 Jun - Tue, 10 Jun
Air New Zealand Logo
17:53 - 08:45IAD-SYD
24h 52m2 stops
Air New Zealand Logo
11:50 - 00:30SYD-IAD
26h 40m2 stops
$1,892Air New Zealand
Find Deal
Tue, 12 Aug - Tue, 26 Aug
Air New Zealand Logo
14:54 - 08:45BWI-SYD
27h 51m2 stops
Air New Zealand Logo
09:55 - 22:34SYD-BWI
26h 39m2 stops
$1,892Air New Zealand
Find Deal
Tue, 12 Aug - Tue, 26 Aug
Fiji Airways Logo
18:59 - 11:45DCA-SYD
26h 46m2 stops
Fiji Airways Logo
06:15 - 23:00SYD-DCA
30h 45m2 stops
$1,900Fiji Airways
Find Deal
Tue, 3 Jun - Tue, 10 Jun
ANA Logo
12:15 - 09:25IAD-SYD
31h 10m1 stop
ANA Logo
20:55 - 10:05SYD-IAD
27h 10m1 stop
$2,010ANA
Find Deal
Tue, 12 Aug - Tue, 26 Aug
ANA Logo
15:39 - 09:25IAD-SYD
27h 46m2 stops
ANA Logo
20:55 - 15:45SYD-IAD
32h 50m1 stop
$2,018ANA
Find Deal
Tue, 12 Aug - Tue, 26 Aug
Fiji Airways Logo
19:17 - 22:10DCA-SYD
35h 53m2 stops
Fiji Airways Logo
06:00 - 23:00SYD-DCA
33h 00m2 stops
$2,032Fiji Airways
Find Deal
Sat, 18 Oct - Sat, 8 Nov
American Airlines Logo
17:30 - 07:30DCA-SYD
24h 00m1 stop
American Airlines Logo
10:25 - 18:27SYD-DCA
22h 02m2 stops
$2,396American Airlines
Find Deal
Sun, 29 Jun - Sun, 20 Jul
American Airlines Logo
09:00 - 06:55DCA-SYD
31h 55m1 stop
American Airlines Logo
09:10 - 16:21SYD-DCA
21h 11m1 stop
$2,404American Airlines
Find Deal
Tue, 1 Jul - Tue, 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
12 Aug
IAD17:53Washington, D.C. Dulles Intl
24h 52m
2 stops
SYD08:45Sydney Kingsford Smith
26 Aug
SYD11:50Sydney Kingsford Smith
26h 40m
2 stops
IAD00:30Washington, D.C. Dulles Intl
Air New Zealand
4 July
IAD15:00Washington, D.C. Dulles Intl
27h 45m
2 stops
SYD08:45Sydney Kingsford Smith
21 July
SYD08:45Sydney Kingsford Smith
36h 08m
2 stops
IAD06:53Washington, D.C. Dulles Intl
Air New Zealand
4 Aug
IAD08:30Washington, D.C. Dulles Intl
34h 15m
2 stops
SYD08:45Sydney Kingsford Smith
13 Aug
SYD11:50Sydney Kingsford Smith
24h 28m
2 stops
IAD22:18Washington, D.C. Dulles Intl

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

Our best Fiji Airways deals on Washington, D.C. to Sydney flight tickets
Fiji Airways
3 June
DCA18:59Washington, D.C. Reagan-National
26h 46m
2 stops
SYD11:45Sydney Kingsford Smith
10 June
SYD06:15Sydney Kingsford Smith
30h 45m
2 stops
DCA23:00Washington, D.C. Reagan-National
Fiji Airways
18 Oct
DCA19:17Washington, D.C. Reagan-National
35h 53m
2 stops
SYD22:10Sydney Kingsford Smith
8 Nov
SYD06:00Sydney Kingsford Smith
33h 00m
2 stops
DCA23:00Washington, D.C. Reagan-National
Fiji Airways
23 Aug
DCA19:30Washington, D.C. Reagan-National
26h 15m
2 stops
SYD11:45Sydney Kingsford Smith
6 Sept
SYD13:45Sydney Kingsford Smith
23h 15m
2 stops
DCA23:00Washington, D.C. Reagan-National

See travel insights to Sydney from

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 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 February is, on average, the cheapest month to fly to Sydney from Washington, D.C., with most prices found around $1,442. If you aren’t able to travel to Sydney during the month of February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $1,460.

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

Our data shows that Monday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $0. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $2,412.

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 in the morning. momondo users have found flights departing from Washington, D.C. to Sydney in the morning for as low as $2,189. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $3,036 on average. Flights to Sydney from Washington, D.C. in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 19 weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,050 when searching 19 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 $1,712 on momondo.

How have Washington, D.C. to Sydney flight prices changed over time?

As of April 2025, prices for Washington, D.C. to Sydney flights are approximately 58% 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 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

Best price found

$764

Fastest flight time

21h 22m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Washington, D.C. in the past 72 hours is $764. The best return flight deal from Washington, D.C. to Sydney found on momondo in the last 72 hours is $1,513.
The fastest flight from Washington, D.C. to Sydney takes 21h 22m
There are no direct flights from Washington, D.C. to Sydney. Popular non-direct routes for this connection are Washington, D.C. Reagan-National Airport - Sydney Kingsford Smith Airport, Washington, D.C. Dulles Intl Airport - Sydney Kingsford Smith Airport and Baltimore/Washington Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

  • 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 22m.

  • 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?

  • 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.

  • 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
Airline
Rating
Free cancellation
Price
Air CanadaPriceFrom $1,878Free cancellationRating
7.0
9,168 reviews
Search Air Canada flights
United AirlinesPriceFrom $2,249Free cancellationRating
7.4
8,684 reviews
Search United Airlines flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Terrigal
Katoomba
Lithgow
Penrith
Leura
Coogee
Manly
Cronulla
Bondi Beach
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.


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