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Cheap flights from Washington, D.C. to Sydney from $275

WAS — SYD
12 Oct — 19 Oct1
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 27/1017:35 -
1 stop24h 25m
Tue 3/1114:05 -
1 stop23h 13m
Deal found 12/9$275
Tue 27/1007:02 -
2 stops34h 33m
Sun 1/1111:20 -
2 stops45h 52m
Deal found 8/9$1,495
Wed 21/1007:02 -
2 stops34h 18m
Mon 26/1010:20 -
2 stops34h 00m
Deal found 7/9$1,529
Mon 19/1006:00 -
3 stops39h 50m
Sun 25/1014:00 -
3 stops36h 34m
Deal found 11/9$1,543
Sat 31/1007:02 -
2 stops59h 33m
Sun 15/1111:20 -
2 stops34h 20m
Deal found 11/9$1,543
Fri 16/1007:02 -
2 stops34h 18m
Fri 30/1010:20 -
2 stops34h 00m
Deal found 9/9$1,633
Sat 7/1107:02 -
2 stops34h 33m
Sat 21/1111:20 -
2 stops58h 20m
Deal found 7/9$1,647
Sun 25/1006:15 -
2 stops35h 20m
Wed 11/1114:05 -
2 stops31h 14m
Deal found 12/9$1,759
Sun 8/1114:38 -
2 stops25h 57m
Tue 17/1109:55 -
2 stops36h 22m
Deal found 9/9$1,760
Mon 2/1108:30 -
2 stops32h 05m
Sun 15/1109:55 -
2 stops35h 39m
Deal found 8/9$1,760
Sun 8/1107:45 -
2 stops34h 50m
Wed 18/1109:55 -
2 stops28h 35m
Deal found 9/9$1,760
Mon 26/1016:04 -
1 stop23h 51m
Mon 9/1114:05 -
1 stop21h 12m
Deal found 7/9$1,770

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

Round-trip from

$1,492

One-way from

$798

Popular in

December

Cheapest in

April

Average price

$2,025
3/2-17/2
  • 3/2-17/2
  • 4 total stops
  • 93h 06m total
  • Washington, D.C. to Sydney
Search Deals
21/10-31/12
  • 21/10-31/12
  • 2 total stops
  • 34h 30m total
  • Washington, D.C. to Sydney
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($136 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease ($54 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Mon 26/10

16:30-07:00

1 stop23h 30m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$973

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sun 25/10

16:30-07:00

1 stop23h 30m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$973

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Tue 23/2

18:00-09:05

1 stop23h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$973

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sun 17/1

18:31-06:20

1 stop43h 49m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,001
Fastest return journey

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sat 23/1

18:31-09:20

1 stop22h 49m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,057

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Fri 23/10

17:43-08:00

1 stop23h 17m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,057

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sat 28/11

10:09-09:05

2 stops30h 56m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,057

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Thu 22/10

17:43-08:00

1 stop23h 17m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,057

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Wed 10/3

06:10-09:35

2 stops35h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,106

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Tue 23/2

06:10-09:35

2 stops35h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,106

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 58 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 $1,879). Flying from Washington, D.C. to Sydney in December is currently the most expensive (average of $2,742). 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 below average for this route at the moment.
Washington, D.C. to Sydney flights typically cost between $1,796 and $2,255 in October.
The cheapest return price found within the last 5 days was $275 on Qantas Airways (27 Oct–3 Nov).

What’s the top stopover airport for flights from Washington, D.C. to Sydney?

Vancouver (YVR) – chosen by Cheapflights users on 67% of one-stop itineraries from Washington, D.C. to Sydney on Cheapflights.

What’s the cheapest stopover airport for flights from Washington, D.C. to Sydney?

Vancouver (YVR) is the most affordable one-stop option, with an average return flight price of $2,088.

What’s the fastest stopover option from Washington, D.C. to Sydney?

Flights via Dallas (DFW) have the shortest average one-way travel time for one-stop routes: 22h 56m.

Which airport typically offers the quickest stopover for flights from Washington, D.C. to Sydney?

Flights via Dallas (DFW) offer the fastest connection on this route, with an average stopover time of 1h 52m.

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

Booking 8 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 United Airlines, Delta, and Turkish Airlines fly from Washington, D.C. to Sydney in about 27h 30m. The time it takes to get you to your destination can typically vary by up to 5h 05m. The distance between Washington, D.C. and Sydney is about 15741 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 $1,879). Flying from Washington, D.C. to Sydney in December is currently the most expensive (average of $2,742). 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
Katoomba
Lithgow
Cronulla
Terrigal
Leura
Randwick
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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When you search for this flight from Washington, D.C. to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Sydney?

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Washington, D.C. to Sydney flexibly with Cheapflights today.

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Yes! Start tracking prices for Washington, D.C. to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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