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Cheap flights from Washington, D.C. to Sydney from $602

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 19/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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

Cheap return flights

These are some of the best return flight deals from Washington, D.C. to Sydney that have been recently found on momondo from popular airlines, departing in the coming months.
08:00 - 06:35DCA-SYD
32h 35m1 stop
17:35 - 20:52SYD-DCA
41h 17m1 stop
$1,282British Airways
Find Deal
Tue, 20 May - Tue, 27 May
11:54 - 06:35DCA-SYD
28h 41m2 stops
17:35 - 08:33SYD-DCA
28h 58m2 stops
$1,293American Airlines
Find Deal
Tue, 15 Apr - Sun, 27 Apr
17:35 - 09:00DCA-SYD
24h 25m1 stop
11:50 - 00:50SYD-DCA
28h 00m1 stop
$1,369Qantas Airways
Find Deal
Mon, 17 Mar - Fri, 28 Mar
17:35 - 09:00DCA-SYD
24h 25m1 stop
11:50 - 16:23SYD-DCA
19h 33m1 stop
$1,419Qantas Airways
Find Deal
Tue, 11 Mar - Thu, 20 Mar
17:10 - 07:45DCA-SYD
23h 35m1 stop
10:05 - 16:00SYD-DCA
20h 55m1 stop
$1,461Delta
Find Deal
Sun, 16 Mar - Mon, 24 Mar
12:35 - 06:35IAD-SYD
28h 00m2 stops
09:25 - 18:48SYD-IAD
23h 23m2 stops
$1,469Delta
Find Deal
Sun, 22 Jun - Wed, 16 Jul
07:00 - 07:05DCA-SYD
34h 05m2 stops
17:45 - 12:09SYD-DCA
32h 24m2 stops
$1,513
Find Deal
Wed, 16 Apr - Sun, 27 Apr
05:50 - 07:20BWI-SYD
35h 30m3 stops
13:15 - 05:46SYD-BWI
30h 31m3 stops
$1,811
Find Deal
Sun, 13 Apr - Wed, 23 Apr
16:15 - 10:35BWI-SYD
28h 20m2 stops
11:50 - 22:34SYD-BWI
24h 44m2 stops
$1,875Air New Zealand
Find Deal
Tue, 19 Aug - Sun, 31 Aug
16:19 - 08:45BWI-SYD
26h 26m2 stops
09:55 - 22:50SYD-BWI
26h 55m2 stops
$1,891Air New Zealand
Find Deal
Tue, 6 May - Mon, 2 Jun

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

Our best British Airways deals on Washington, D.C. to Sydney flight tickets
British Airways
20 May
DCA08:00Washington, D.C. Reagan-National
32h 35m
1 stop
SYD06:35Sydney Kingsford Smith
27 May
SYD17:35Sydney Kingsford Smith
41h 17m
1 stop
DCA20:52Washington, D.C. Reagan-National
British Airways
3 Mar
DCA17:55Washington, D.C. Reagan-National
45h 00m
3 stops
SYD06:55Sydney Kingsford Smith
16 Mar
SYD16:20Sydney Kingsford Smith
41h 53m
3 stops
DCA19:13Washington, D.C. Reagan-National

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

Our best American Airlines deals on Washington, D.C. to Sydney flight tickets
American Airlines
15 Apr
DCA11:54Washington, D.C. Reagan-National
28h 41m
2 stops
SYD06:35Sydney Kingsford Smith
27 Apr
SYD17:35Sydney Kingsford Smith
28h 58m
2 stops
DCA08:33Washington, D.C. Reagan-National
American Airlines
17 Apr
DCA17:30Washington, D.C. Reagan-National
23h 05m
1 stop
SYD06:35Sydney Kingsford Smith
27 Apr
SYD17:35Sydney Kingsford Smith
28h 58m
2 stops
DCA08:33Washington, D.C. Reagan-National
American Airlines
23 Feb
DCA08:00Washington, D.C. Reagan-National
31h 25m
1 stop
SYD07:25Sydney Kingsford Smith
9 Mar
SYD11:50Sydney Kingsford Smith
28h 00m
1 stop
DCA23:50Washington, 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 $1,463. If you aren’t able to travel to Sydney during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,629.

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 $2,411.

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 $2,095 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 $1,720 on momondo.

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

As of February 2025, prices for Washington, D.C. to Sydney flights are approximately 35% 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

$602

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 $602. The best return flight deal from Washington, D.C. to Sydney found on momondo in the last 72 hours is $1,282.
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
8,748 reviews
Search Air Canada flights
United AirlinesPriceFrom $2,131Free cancellationRating
7.4
8,766 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
Katoomba
Terrigal
Lithgow
Penrith
Leura
Manly
Coogee
Cronulla
Randwick
Bondi Beach
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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