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.

$490 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

Wed, Feb 10 - Wed, Feb 17

9:15 am - 9:35 amGEG Spokane-SYD Sydney Kingsford Smith

29h 20m2 stops Denver Intl Vancouver Intl

11:20 am - 9:09 pmSYD Sydney Kingsford Smith-GEG Spokane

28h 49m2 stops Vancouver Intl Denver Intl

$950Multiple Airlines

Wed, Nov 18 - Wed, Nov 25

10:10 am - 9:35 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

28h 25m1 stop Vancouver Intl

11:20 am - 6:22 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 02m1 stop Vancouver Intl

$977Air Canada

Mon, Nov 9 - Tue, Nov 17

8:40 am - 9:35 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

29h 55m1 stop Vancouver Intl

11:20 am - 9:57 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

29h 37m1 stop Vancouver Intl

$977Air Canada

Wed, Mar 24 - Wed, Apr 21

7:00 pm - 8:35 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 35m1 stop Vancouver Intl

6:00 am - 9:18 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 18m2 stops Brisbane Vancouver Intl

$987Multiple Airlines

Tue, Feb 9 - Mon, Feb 15

3:15 pm - 9:35 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 20m1 stop Vancouver Intl

11:20 am - 9:32 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

17h 12m1 stop Vancouver Intl

$1,031Air New Zealand

Tue, Feb 9 - Tue, Feb 16

7:05 pm - 9:35 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 30m1 stop Vancouver Intl

11:20 am - 2:37 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 17m1 stop Vancouver Intl

$1,031Air New Zealand

Fri, Feb 5 - Fri, Feb 19

8:45 am - 6:25 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

26h 40m1 stop San Francisco

11:15 am - 1:56 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 41m2 stops Los Angeles Portland

$1,063Alaska Airlines

Thu, Nov 26 - Fri, Dec 4

7:23 am - 6:25 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

28h 02m2 stops Portland Los Angeles

11:15 am - 3:27 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

23h 12m1 stop Los Angeles

$1,097Alaska Airlines

Sat, Feb 27 - Wed, Mar 10

5:55 pm - 6:50 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

41h 55m1 stop Los Angeles

10:40 am - 10:35 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

18h 55m1 stop Los Angeles

$1,115Delta

Sat, Feb 27 - Mon, Mar 8

5:55 pm - 6:50 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

41h 55m1 stop Los Angeles

10:40 am - 10:35 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

18h 55m1 stop Los Angeles

$1,115Delta

Recent last minute flight deals from Washington to Sydney

Sun, Oct 25 - Sun, Nov 8

7:05 pm - 8:35 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 30m1 stop Vancouver Intl

11:20 am - 2:37 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 17m1 stop Vancouver Intl

$976Air Canada

Tue, Oct 27 - Tue, Nov 3

8:40 am - 8:35 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

29h 55m1 stop Vancouver Intl

11:20 am - 6:22 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 02m1 stop Vancouver Intl

$977Air Canada

Sun, Oct 25 - Sun, Nov 8

3:15 pm - 8:35 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 20m1 stop Vancouver Intl

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

22h 12m2 stops Brisbane Vancouver Intl

$987Multiple Airlines

Sun, Oct 25 - Sun, Nov 8

3:15 pm - 8:35 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 20m1 stop Vancouver Intl

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

22h 12m2 stops Brisbane Vancouver Intl

$988Multiple Airlines

Wed, Oct 28 - Mon, Nov 9

11:05 am - 7:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

26h 15m2 stops Salt Lake City Los Angeles

10:40 am - 11:59 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

32h 19m2 stops Los Angeles Salt Lake City

$1,129Delta

Tue, Oct 27 - Tue, Nov 3

11:05 am - 7:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

26h 15m2 stops Salt Lake City Los Angeles

10:40 am - 12:52 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 12m2 stops Los Angeles Salt Lake City

$1,129Delta

Sun, Oct 25 - Sun, Nov 8

7:08 pm - 9:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 52m1 stop Los Angeles

11:15 am - 10:57 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

18h 42m1 stop Los Angeles

$1,139Qantas Airways

Sun, Oct 25 - Sun, Nov 8

4:37 pm - 6:25 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 48m1 stop Los Angeles

11:10 am - 4:00 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

23h 50m1 stop Los Angeles

$1,161American Airlines

Sun, Oct 25 - Sun, Nov 8

4:37 pm - 6:25 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 48m1 stop Los Angeles

11:10 am - 1:00 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 50m1 stop Los Angeles

$1,163American Airlines

Sun, Oct 25 - Mon, Nov 9

4:37 pm - 12:25 pmSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

25h 48m2 stops Los Angeles Melbourne

11:10 am - 1:00 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 50m1 stop Los Angeles

$5,429Qantas Airways

Useful Info

Low season	July
High season	December
Cheapest flight	$490

Best time to beat the crowds but there is an average 2% increase in price.

Most popular time to fly with an average 29% 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.