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.

$489 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

Tue, Oct 27 - Fri, Nov 6

10:10 am - 8:35 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

$877Air Canada

Sun, Oct 18 - Sun, Nov 1

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

27h 30m1 stop Vancouver Intl

11:20 am - 7:22 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 02m1 stop Vancouver Intl

$897Air Canada

Mon, Mar 1 - Wed, Mar 17

7:00 pm - 9:35 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 35m1 stop Vancouver Intl

6:20 am - 9:15 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 55m2 stops Brisbane Vancouver Intl

$911Multiple Airlines

Mon, Oct 19 - Sun, Nov 1

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

27h 30m1 stop Vancouver Intl

6:20 am - 10:32 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 12m2 stops Brisbane Vancouver Intl

$923Multiple Airlines

Tue, Feb 2 - Sun, Feb 28

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

29h 55m1 stop Vancouver Intl

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

17h 12m1 stop Vancouver Intl

$991Air New Zealand

Tue, Feb 2 - Tue, Mar 2

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

29h 55m1 stop Vancouver Intl

11:20 am - 9:30 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

17h 10m1 stop Vancouver Intl

$991Air New Zealand

Wed, Nov 4 - Wed, Nov 11

5:24 pm - 9:00 amGEG Spokane-SYD Sydney Kingsford Smith

20h 36m1 stop Los Angeles

2:05 pm - 8:40 pmSYD Sydney Kingsford Smith-GEG Spokane

25h 35m1 stop Dallas/Fort Worth

$1,016Qantas Airways

Wed, Nov 4 - Wed, Nov 11

3:00 pm - 9:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 00m2 stops Phoenix Sky Harbor Intl Los Angeles

11:10 am - 4:54 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

24h 44m2 stops Los Angeles Dallas/Fort Worth

$1,048American Airlines

Wed, Oct 28 - Wed, Nov 11

2:51 pm - 9:00 amGEG Spokane-SYD Sydney Kingsford Smith

24h 09m1 stop Los Angeles

2:05 pm - 8:40 pmSYD Sydney Kingsford Smith-GEG Spokane

25h 35m1 stop Dallas/Fort Worth

$1,050Qantas Airways

Sun, Jan 31 - Mon, Feb 15

1:13 pm - 9:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 47m1 stop Los Angeles

2:05 pm - 4:57 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 52m1 stop Dallas/Fort Worth

$1,056American Airlines

Recent last minute flight deals from Washington to Sydney

Wed, Sep 23 - Thu, Oct 8

11:10 pm - 8:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

39h 50m1 stop Manila Ninoy Aquino Intl

11:15 am - 8:05 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 50m1 stop Manila Ninoy Aquino Intl

$1,286Philippine Airlines

Sun, Sep 27 - Wed, Oct 7

11:10 pm - 8:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

39h 50m1 stop Manila Ninoy Aquino Intl

11:15 am - 10:47 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

29h 32m2 stops Manila Ninoy Aquino Intl Vancouver Intl

$1,343Multiple Airlines

Fri, Sep 25 - Sun, Sep 27

7:20 am - 6:50 pmSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

18h 30m1 stop Honolulu

8:45 pm - 11:50 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 05m1 stop Honolulu

$1,416Multiple Airlines

Wed, Sep 23 - Thu, Oct 8

7:15 pm - 11:25 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 10m2 stops Vancouver Intl Brisbane

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

17h 45m1 stop Vancouver Intl

$1,503Multiple Airlines

Wed, Sep 23 - Thu, Oct 8

7:15 pm - 11:25 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 10m2 stops Vancouver Intl Brisbane

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

22h 05m2 stops Brisbane Vancouver Intl

$1,514Multiple Airlines

Sat, Sep 26 - Mon, Sep 28

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

25h 00m2 stops Portland Los Angeles

5:50 pm - 10:59 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 09m1 stop Los Angeles

$1,636Alaska Airlines

Sun, Sep 27 - Wed, Oct 7

5:40 pm - 6:50 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

20h 10m1 stop Los Angeles

10:15 am - 4:45 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

24h 30m1 stop Los Angeles

$1,643Delta

Thu, Sep 24 - Sat, Sep 26

4:21 pm - 8:45 amGEG Spokane-SYD Sydney Kingsford Smith

23h 24m2 stops Los Angeles Auckland Intl

7:20 pm - 10:38 pmSYD Sydney Kingsford Smith-GEG Spokane

44h 18m2 stops Auckland Intl Los Angeles

$6,537Air New Zealand

Thu, Sep 24 - Sat, Sep 26

12:45 pm - 6:55 amGEG Spokane-SYD Sydney Kingsford Smith

25h 10m1 stop Dallas/Fort Worth

8:15 pm - 1:13 pmSYD Sydney Kingsford Smith-GEG Spokane

33h 58m2 stops Honolulu Phoenix Sky Harbor Intl

$7,262Qantas Airways

Thu, Sep 24 - Sat, Sep 26

4:21 pm - 7:30 amGEG Spokane-SYD Sydney Kingsford Smith

22h 09m1 stop Los Angeles

5:50 pm - 10:38 pmSYD Sydney Kingsford Smith-GEG Spokane

21h 48m1 stop Los Angeles

$8,602Qantas Airways

Useful Info

Low season	July
High season	December
Cheapest flight	$489

Best time to beat the crowds but there is an average 5% increase in price.

Most popular time to fly with an average 31% 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.