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Cheap flights from Washington, D.C. to Sydney from $643

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 11/2. 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

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.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. to Sydney.

Cheap last-minute flights

Planning a quick getaway from Washington, D.C. to Sydney? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Sydney, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Washington, D.C. to Sydney

Find recent return train or bus tickets from Washington, D.C. to Sydney.

All return flight deals from Washington, D.C. to Sydney

The cheapest plane tickets from Washington, D.C. to Sydney found on KAYAK recently.
17:30 - 09:00DCA-SYD
23h 30m1 stop
11:50 - 23:00SYD-DCA
27h 10m1 stop
$1,346Qantas Airways
Find Deal
Sun, 2 Feb - Tue, 18 Feb
08:00 - 07:25DCA-SYD
31h 25m1 stop
11:50 - 23:00SYD-DCA
27h 10m1 stop
$1,347Qantas Airways
Find Deal
Sat, 1 Feb - Thu, 13 Feb
06:12 - 06:35IAD-SYD
32h 23m1 stop
11:50 - 16:12SYD-IAD
20h 22m1 stop
$1,382American Airlines
Find Deal
Sun, 23 Feb - Sat, 1 Mar
14:59 - 06:35DCA-SYD
23h 36m1 stop
11:50 - 16:23SYD-DCA
20h 33m1 stop
$1,382American Airlines
Find Deal
Sat, 1 Mar - Fri, 7 Mar
05:45 - 13:00BWI-SYD
39h 15m3 stops
14:00 - 05:18SYD-BWI
31h 18m3 stops
$1,486
Find Deal
Thu, 6 Feb - Wed, 12 Feb
05:45 - 13:00BWI-SYD
39h 15m3 stops
14:00 - 05:18SYD-BWI
31h 18m3 stops
$1,507
Find Deal
Thu, 6 Feb - Thu, 27 Feb
17:15 - 12:30DCA-SYD
27h 15m2 stops
06:15 - 20:50SYD-DCA
30h 35m2 stops
$1,907Fiji Airways
Find Deal
Tue, 18 Feb - Tue, 25 Feb
17:18 - 19:45IAD-SYD
34h 27m3 stops
21:40 - 16:18SYD-IAD
33h 38m2 stops
$1,949Alaska Airlines
Find Deal
Thu, 6 Mar - Sun, 9 Mar
17:15 - 12:30DCA-SYD
27h 15m2 stops
14:30 - 21:00SYD-DCA
22h 30m2 stops
$1,982Fiji Airways
Find Deal
Sat, 15 Feb - Sat, 22 Feb
18:48 - 19:45IAD-SYD
32h 57m2 stops
21:40 - 16:18SYD-IAD
33h 38m2 stops
$2,178Alaska Airlines
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Thu, 6 Mar - Sun, 9 Mar
17:30 - 09:00DCA-SYD
23h 30m1 stop
$643Qantas Airways
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Tue, 11 Feb
17:20 - 06:35IAD-SYD
22h 15m1 stop
$645Qantas Airways
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Sun, 23 Mar
17:30 - 14:40DCA-SYD
29h 10m2 stops
Sat, 15 Feb
17:30 - 06:55IAD-SYD
23h 25m1 stop
$664American Airlines
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Wed, 25 Jun
19:29 - 06:55DCA-SYD
21h 26m1 stop
$664American Airlines
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Wed, 25 Jun
19:25 - 13:00BWI-SYD
49h 35m2 stops
Wed, 12 Feb
19:18 - 11:45DCA-SYD
26h 27m2 stops
$934Fiji Airways
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Sat, 24 May
19:29 - 11:45DCA-SYD
26h 16m2 stops
$1,099Fiji Airways
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Sat, 28 Jun
13:52 - 07:20IAD-SYD
27h 28m2 stops
$1,232Air Canada
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Tue, 29 Apr
08:24 - 08:35IAD-SYD
33h 11m3 stops
$1,242Air Canada
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Sun, 23 Mar
17:30 - 09:00DCA-SYD
23h 30m1 stop
11:50 - 18:59SYD-DCA
23h 09m1 stop
$1,346Qantas Airways
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Mon, 27 Jan - Mon, 3 Feb
14:34 - 07:25DCA-SYD
24h 51m2 stops
17:25 - 23:45SYD-DCA
22h 20m2 stops
$1,390American Airlines
Find Deal
Sat, 25 Jan - Sat, 1 Feb
08:00 - 07:25DCA-SYD
31h 25m1 stop
11:50 - 16:29SYD-DCA
20h 39m1 stop
$1,395American Airlines
Find Deal
Thu, 23 Jan - Wed, 5 Feb
17:30 - 09:00DCA-SYD
23h 30m1 stop
11:50 - 19:02SYD-DCA
23h 12m1 stop
$1,429
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Sun, 26 Jan - Sat, 8 Feb
08:00 - 09:50DCA-SYD
33h 50m2 stops
06:20 - 13:54SYD-DCA
23h 34m2 stops
$1,693
Find Deal
Thu, 23 Jan - Wed, 5 Feb
17:11 - 13:00DCA-SYD
27h 49m2 stops
14:00 - 20:59SYD-DCA
22h 59m2 stops
$2,627Fiji Airways
Find Deal
Thu, 23 Jan - Thu, 30 Jan
08:18 - 09:35IAD-SYD
33h 17m2 stops
11:20 - 09:46SYD-IAD
38h 26m2 stops
$2,893Air Canada
Find Deal
Sat, 25 Jan - Fri, 31 Jan
18:00 - 09:15IAD-SYD
23h 15m1 stop
11:45 - 21:02SYD-IAD
25h 17m2 stops
$3,058Air New Zealand
Find Deal
Sat, 25 Jan - Sat, 1 Feb
18:00 - 09:05BWI-SYD
23h 05m1 stop
11:45 - 22:14SYD-BWI
26h 29m2 stops
$3,058Air New Zealand
Find Deal
Sat, 25 Jan - Sat, 1 Feb
11:10 - 09:35DCA-SYD
30h 25m2 stops
11:20 - 10:29SYD-DCA
39h 09m3 stops
$3,154Air Canada
Find Deal
Mon, 27 Jan - Mon, 3 Feb

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

Our best Qantas Airways deals on Washington, D.C. to Sydney flight tickets
Qantas Airways
27 Jan
DCA17:30Washington, D.C. Reagan-National
23h 30m
1 stop
SYD09:00Sydney Kingsford Smith
3 Feb
SYD11:50Sydney Kingsford Smith
23h 09m
1 stop
DCA18:59Washington, D.C. Reagan-National
Qantas Airways
1 Feb
DCA08:00Washington, D.C. Reagan-National
31h 25m
1 stop
SYD07:25Sydney Kingsford Smith
13 Feb
SYD11:50Sydney Kingsford Smith
27h 10m
1 stop
DCA23:00Washington, D.C. Reagan-National
Qantas Airways
4 Mar
DCA09:00Washington, D.C. Reagan-National
32h 00m
1 stop
SYD09:00Sydney Kingsford Smith
16 Mar
SYD11:50Sydney Kingsford Smith
28h 00m
1 stop
DCA00:50Washington, D.C. Reagan-National

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

Our best Air Canada deals on Washington, D.C. to Sydney flight tickets
Air Canada
6 May
IAD17:30Washington, D.C. Dulles Intl
23h 50m
1 stop
SYD07:20Sydney Kingsford Smith
2 June
SYD09:20Sydney Kingsford Smith
36h 24m
2 stops
IAD07:44Washington, D.C. Dulles Intl
Air Canada
6 May
IAD09:55Washington, D.C. Dulles Intl
31h 25m
3 stops
SYD07:20Sydney Kingsford Smith
20 May
SYD09:20Sydney Kingsford Smith
39h 54m
2 stops
IAD11:14Washington, D.C. Dulles Intl
Air Canada
12 Apr
DCA20:40Washington, D.C. Reagan-National
44h 40m
2 stops
SYD07:20Sydney Kingsford Smith
22 Apr
SYD09:20Sydney Kingsford Smith
38h 59m
2 stops
DCA10:19Washington, 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 $1,574. 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 $1,664.

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 $2,461.

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 $2,234. 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 $3,098 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 4 weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,493 when searching 4 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 $2,016 on momondo.

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

As of January 2025, prices for Washington, D.C. to Sydney flights are approximately 161% 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

Best price found

$643

Fastest flight time

21h 26m

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 $643. The best return flight deal from Washington, D.C. to Sydney found on momondo in the last 72 hours is $1,346.
The fastest flight from Washington, D.C. to Sydney takes 21h 26m
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 27m.

  • 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 $1,538Free cancellationRating
7.0
8,635 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,651Free cancellationRating
7.4
8,985 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
Cronulla
Coogee
Randwick
Bondi Beach
Charlestown
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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