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.

$486 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

Mon, Nov 9 - Sun, Nov 15

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

28h 25m1 stop Vancouver Intl

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

17h 12m1 stop Vancouver Intl

$965Air Canada

Mon, Oct 19 - Fri, Oct 23

7:15 pm - 11:40 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 25m2 stops Vancouver Intl Brisbane

10:20 am - 10:05 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

17h 45m1 stop Vancouver Intl

$975Multiple Airlines

Mon, Nov 9 - Sun, Nov 15

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

23h 20m1 stop Vancouver Intl

9:00 am - 9:32 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

19h 32m2 stops Brisbane Vancouver Intl

$979Air Canada

Mon, Oct 19 - Fri, Oct 23

7:15 pm - 11:40 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 25m2 stops Vancouver Intl Brisbane

7:00 am - 10:05 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 05m2 stops Brisbane Vancouver Intl

$987Multiple Airlines

Tue, Nov 3 - Tue, Nov 10

5:59 pm - 9:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

20h 01m1 stop Los Angeles

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

20h 50m1 stop Los Angeles

$1,071Qantas Airways

Tue, Oct 27 - Tue, Nov 3

4:37 pm - 9:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 23m1 stop Los Angeles

11:10 am - 2:12 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 02m1 stop Los Angeles

$1,072Qantas Airways

Sun, Oct 18 - Mon, Nov 2

7:10 am - 8:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

30h 55m1 stop Los Angeles

2:05 pm - 4:54 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 49m1 stop Dallas/Fort Worth

$1,082American Airlines

Sun, Oct 18 - Mon, Nov 2

4:37 pm - 8:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 28m1 stop Los Angeles

11:15 am - 1:00 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 45m1 stop Los Angeles

$1,082American Airlines

Sun, Oct 18 - Mon, Nov 2

6:30 am - 8:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

31h 30m1 stop Los Angeles

11:50 am - 12:20 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

19h 30m1 stop San Francisco

$1,084United Airlines

Mon, Nov 2 - Mon, Nov 9

4:39 pm - 9:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 26m1 stop Los Angeles

11:20 am - 11:14 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

18h 54m1 stop Los Angeles

$1,097United Airlines

Recent last minute flight deals from Washington to Sydney

Sun, Oct 11 - Wed, Nov 4

1:37 pm - 7:30 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 53m1 stop Los Angeles

11:10 am - 3:54 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

23h 44m1 stop Los Angeles

$1,243American Airlines

Sun, Oct 11 - Mon, Nov 2

7:55 pm - 8:45 pmSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

54h 50m2 stops Vancouver Intl Hong Kong Intl

3:15 pm - 8:45 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

36h 30m1 stop Hong Kong Intl

$1,478Cathay Pacific

Fri, Oct 9 - Wed, Oct 14

9:45 am - 7:50 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

28h 05m1 stop Los Angeles

10:15 am - 8:27 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

28h 12m1 stop Los Angeles

$1,489Delta

Fri, Oct 9 - Wed, Oct 14

7:15 am - 7:50 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

30h 35m2 stops Salt Lake City Los Angeles

10:15 am - 8:27 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

28h 12m1 stop Los Angeles

$1,493Delta

Sun, Oct 11 - Mon, Nov 2

11:10 pm - 10:45 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

41h 35m1 stop Manila Ninoy Aquino Intl

8:05 pm - 7:05 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

30h 00m1 stop Singapore Changi

$1,508Multiple Airlines

Sun, Oct 11 - Wed, Nov 4

9:05 am - 7:55 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

28h 50m1 stop San Francisco

11:50 am - 6:22 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

25h 32m2 stops Auckland Intl Vancouver Intl

$1,509Air New Zealand

Fri, Oct 9 - Wed, Oct 14

8:40 am - 7:30 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

28h 50m2 stops Portland Los Angeles

6:50 pm - 11:04 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 14m1 stop Los Angeles

$1,634Alaska Airlines

Fri, Oct 9 - Wed, Oct 14

10:50 am - 8:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

27h 30m1 stop Vancouver Intl

10:20 am - 2:22 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 02m1 stop Vancouver Intl

$1,950Air Canada

Fri, Oct 9 - Wed, Oct 14

4:35 pm - 8:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 25m1 stop Los Angeles

9:55 am - 10:47 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

30h 52m2 stops Auckland Intl Vancouver Intl

$1,973Air New Zealand

Fri, Oct 9 - Wed, Oct 14

4:37 pm - 8:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 28m1 stop Los Angeles

6:50 pm - 11:04 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 14m1 stop Los Angeles

$2,016Qantas Airways

Useful Info

Low season	July
High season	December
Cheapest flight	$486

Best time to beat the crowds but there is an average 3% increase in price.

Most popular time to fly with an average 28% 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.