How does KAYAK find such low prices on flights from Washington to Sydney?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Sydney.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Sydney?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sydney from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington to Sydney?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sydney with an airline and back to Washington with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Sydney?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sydney from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$533 CHEAP FLIGHTS from Washington to Sydney

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Flight Deals

Cheap Flights from Washington to Sydney

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Washington to Sydney

Sun, Aug 30 - Sun, Sep 13

3:00 pm - 7:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 20m1 stop Vancouver Intl

9:20 am - 6:32 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 12m1 stop Vancouver Intl

$897Air Canada

Mon, Sep 14 - Tue, Sep 22

10:50 am - 7:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

27h 30m1 stop Vancouver Intl

9:20 am - 2:17 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 57m1 stop Vancouver Intl

$933Air Canada

Sun, Oct 25 - Wed, Nov 4

11:06 am - 12:35 pmSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

31h 29m2 stops Los Angeles Los Angeles Nadi

2:00 pm - 6:26 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

23h 26m2 stops Nadi Los Angeles Los Angeles

$939Multiple Airlines

Sun, Oct 25 - Wed, Nov 25

7:57 pm - 8:35 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

18h 38m1 stop Vancouver Intl

11:20 am - 9:27 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

17h 07m1 stop Vancouver Intl

$949Multiple Airlines

Mon, Aug 24 - Sun, Aug 30

4:30 pm - 9:25 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 55m1 stop Tokyo Haneda

8:55 pm - 11:26 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

43h 31m2 stops Tokyo Haneda San Francisco

$968ANA

Sun, Aug 30 - Mon, Sep 14

3:00 pm - 7:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 20m1 stop Vancouver Intl

9:20 am - 6:32 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 12m1 stop Vancouver Intl

$999Air New Zealand

Sun, Aug 30 - Sun, Sep 13

3:00 pm - 7:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 20m1 stop Vancouver Intl

9:20 am - 6:32 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 12m1 stop Vancouver Intl

$999Air New Zealand

Mon, Aug 24 - Sun, Aug 30

4:30 pm - 7:10 pmSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

33h 40m1 stop Tokyo Haneda

8:55 pm - 2:25 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

34h 30m1 stop Tokyo Haneda

$1,025ANA

Sun, Aug 30 - Tue, Sep 15

6:52 pm - 7:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 08m1 stop Los Angeles Los Angeles

10:20 am - 2:24 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 04m1 stop San Francisco

$1,040United Airlines

Mon, Aug 31 - Wed, Sep 9

9:05 am - 6:55 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

28h 50m1 stop San Francisco

10:20 am - 2:24 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 04m1 stop San Francisco

$1,040United Airlines

Recent last minute flight deals from Washington to Sydney

Wed, Aug 19 - Wed, Aug 26

7:20 pm - 7:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 00m1 stop Vancouver Intl

9:20 am - 6:32 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 12m1 stop Vancouver Intl

$939Air Canada

Sun, Aug 16 - Tue, Sep 8

5:50 am - 7:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

32h 30m1 stop Vancouver Intl

9:20 am - 10:47 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

30h 27m1 stop Vancouver Intl

$939Air Canada

Wed, Aug 19 - Wed, Aug 26

3:00 pm - 7:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 20m1 stop Vancouver Intl

6:00 am - 10:05 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 05m2 stops Brisbane Vancouver Intl

$959Multiple Airlines

Sun, Aug 16 - Sat, Aug 22

10:40 am - 7:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

27h 40m1 stop Vancouver Intl

8:15 pm - 10:05 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

30h 50m2 stops Brisbane Vancouver Intl

$966Multiple Airlines

Mon, Aug 17 - Sun, Aug 30

7:11 am - 7:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

30h 54m1 stop Los Angeles Los Angeles

5:50 pm - 11:21 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 31m1 stop Los Angeles Los Angeles

$1,029American Airlines

Wed, Aug 19 - Sun, Aug 30

5:50 pm - 6:50 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

20h 00m1 stop Los Angeles Los Angeles

9:15 am - 4:54 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

24h 39m2 stops Los Angeles Los Angeles Salt Lake City

$1,031Delta

Wed, Aug 19 - Wed, Sep 2

7:35 pm - 6:55 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

18h 20m1 stop San Francisco

9:30 am - 7:14 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 44m1 stop Los Angeles Los Angeles

$1,031United Airlines

Wed, Aug 19 - Sun, Aug 30

5:20 pm - 6:55 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

20h 35m1 stop San Francisco

10:20 am - 12:20 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

19h 00m1 stop San Francisco

$1,031United Airlines

Mon, Aug 17 - Mon, Aug 24

9:40 am - 6:50 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

28h 10m2 stops Salt Lake City Los Angeles Los Angeles

9:15 am - 4:54 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

24h 39m2 stops Los Angeles Los Angeles Salt Lake City

$1,045Delta

Mon, Aug 17 - Sun, Aug 30

5:02 pm - 9:45 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 43m2 stops Los Angeles Los Angeles Melbourne

5:30 pm - 11:21 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 51m2 stops Brisbane Los Angeles Los Angeles

$1,067American Airlines

Useful Info

Low season	July
High season	December
Cheapest flight	$533

Best time to beat the crowds but there is an average 6% increase in price.

Most popular time to fly with an average 33% increase in price.

Flight from Seattle to Sydney

How does KAYAK find such low prices on flights from Washington to Sydney?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Sydney.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Sydney?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sydney from Washington is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Washington to Sydney?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sydney with an airline and back to Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Sydney?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sydney from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Parramatta

Terrigal

Penrith

Katoomba

Coogee

Cronulla

Randwick

Leura

Lithgow

Charlestown

Swansea

Brooklyn

Newport

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Sydney (SYD)

SYD

$533 Find Cheap Flights from Washington to Sydney - Compare and Save

Cheap Flights from Washington to Sydney

Recent round-trip flight deals from Washington to Sydney

Recent one-way flight deals from Washington to Sydney

Recent last minute flight deals from Washington to Sydney

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Everything you need to know for your flight to Sydney

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Complete your trip to Sydney with a hotel stay or car rental

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