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Cheap flights from Washington, D.C. to Sydney from $966

WAS — SYD
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Washington, D.C. to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Washington, D.C. to Sydney

Tue 8/1207:00 -
3 stops37h 35m
Wed 27/114:00 -
3 stops42h 55m
Deal found 31/10$1,891
Tue 8/1212:06 -
3 stops32h 29m
Tue 9/314:00 -
3 stops31h 42m
Deal found 31/10$1,927
Sat 21/1117:54 -
2 stops59h 56m
Tue 18/511:55 -
2 stops26h 55m
Deal found 3/11$1,930
Tue 8/1207:00 -
3 stops37h 35m
Tue 9/306:00 -
3 stops55h 59m
Deal found 31/10$1,964
Mon 7/1207:00 -
2 stops33h 35m
Wed 27/111:50 -
2 stops33h 35m
Deal found 31/10$1,973
Sun 6/1209:30 -
1 stop28h 55m
Wed 27/114:00 -
2 stops46h 00m
Deal found 31/10$2,000
Tue 8/1220:02 -
2 stops57h 48m
Tue 9/311:50 -
2 stops26h 41m
Deal found 31/10$2,005
Sun 6/1209:30 -
1 stop31h 30m
Sat 12/1207:05 -
2 stops28h 55m
Deal found 4/11$2,020
Fri 6/1114:38 -
2 stops25h 57m
Fri 13/1111:50 -
2 stops26h 06m
Deal found 30/10$2,025
Sun 6/1206:00 -
2 stops34h 35m
Wed 27/111:50 -
2 stops35h 15m
Deal found 31/10$2,045
Sun 6/1212:52 -
2 stops27h 43m
Wed 27/111:50 -
2 stops26h 40m
Deal found 31/10$2,045
Sun 6/1220:02 -
2 stops44h 33m
Fri 11/1211:50 -
2 stops25h 15m
Deal found 2/11$2,046

Find flight deals from Washington, D.C. to Sydney

Round-trip from

$1,891

One-way from

$966

Popular in

December

Cheapest in

April

Average price

$2,032
8/12-27/1
  • 8/12-27/1
  • 6 total stops
  • 80h 30m total
  • Washington, D.C. to Sydney
Search Deals
9/2-31/12
  • 9/2-31/12
  • 2 total stops
  • 34h 23m total
  • Washington, D.C. to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($246 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($87 potential savings vs. average return price).
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Average for round-trip flights in November 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. to Sydney that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Tue 26/1

08:00-06:25

2 stops30h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,019
Fastest return journey

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Tue 23/2

09:30-06:25

1 stop28h 55m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,040

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Sat 20/2

18:59-06:25

2 stops43h 26m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,052

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Wed 10/3

18:59-06:25

2 stops43h 26m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,060

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Sat 20/2

07:00-06:25

2 stops31h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,105

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Wed 10/3

07:00-06:25

2 stops31h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,126

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Tue 23/2

06:00-09:35

2 stops35h 35m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,135

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Tue 16/2

07:00-06:25

3 stops31h 25m

Sydney Kingsford Smith

Fri 26/2

11:15-05:31

2 stops34h 16m

$2,201

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Tue 2/3

17:38-06:25

2 stops44h 47m

Sydney Kingsford Smith

Tue 9/3

11:15-05:31

3 stops34h 16m

$2,331

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Thu 11/2

07:00-06:25

3 stops31h 25m

Sydney Kingsford Smith

Fri 19/2

11:15-05:31

3 stops34h 16m

$2,464

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 30 resultsSorted by cheapest first
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Best time to book a flight from Washington, D.C. to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Washington, D.C. with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Sydney

What is the cheapest month to book a flight from Washington, D.C. to Sydney?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Sydney (average of $1,930). Flying from Washington, D.C. to Sydney in December is currently the most expensive (average of $2,807). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Washington, D.C. to Sydney?

Airfare is typical for this route at the moment.
Washington, D.C. to Sydney flights typically cost between $1,873 and $2,261 in December.
The cheapest return price found within the last 5 days was $1,891 on Multiple Airlines (8 Dec–27 Jan).

How far ahead should I book a flight from Washington, D.C. to Sydney?

Booking 14 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

  • What airport do you fly into for flights to Sydney from Washington, D.C.?

    If you book a flight to Sydney from Washington, D.C., you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 7.5 km from the centre of Sydney. There are 0 flights from Washington, D.C. to Kingsford Smith per day from 0 different airlines.

  • How long is the flight from Washington, D.C. to Sydney?

    Airlines like Turkish Airlines, Alaska Airlines, and Delta fly from Washington, D.C. to Sydney in about 30h 40m. The time it takes to get you to your destination can typically vary by up to 23h 25m. The distance between Washington, D.C. and Sydney is about 15704 km. This flight may include one or multiple stops.

  • What are the most popular routes from Washington, D.C. to Sydney?

    The most popular flight routes from Washington, D.C. to Sydney are Washington, D.C. Dulles Intl - Sydney Kingsford Smith, Baltimore/Washington - Sydney Kingsford Smith and Washington, D.C. Reagan-National - Sydney Kingsford Smith.

  • Can I find deals for flights from Washington, D.C. to Sydney that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Sydney.

  • Can I find deals for business class flights from Washington, D.C. to Sydney?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to Sydney?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Sydney (average of $1,930). Flying from Washington, D.C. to Sydney in December is currently the most expensive (average of $2,807). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Sydney?

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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington, D.C. to Sydney

Dulles Intl to Sydney flights
Reagan-National to Sydney flights
Dulles Intl to Coolangatta flights

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