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.

$73 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, Oct 28 - Wed, Nov 4

1:57 pm - 6:25 amGEG Spokane-SYD Sydney Kingsford Smith

22h 28m1 stop San Francisco

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

25h 35m1 stop Dallas/Fort Worth

$800Qantas Airways

Sun, Oct 25 - Sun, Nov 1

10:10 am - 8:35 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

28h 25m1 stop Vancouver Intl

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

26h 02m1 stop Vancouver Intl

$899Air 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

$900Air Canada

Thu, Nov 19 - Mon, Feb 1

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

28h 25m1 stop Vancouver Intl

11:20 am - 2:41 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 21m1 stop Vancouver Intl

$911Multiple Airlines

Mon, Mar 1 - Wed, Mar 17

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

23h 20m1 stop Vancouver Intl

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

20h 55m2 stops Brisbane Vancouver Intl

$912Multiple Airlines

Mon, Feb 15 - Mon, Feb 22

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

19h 30m1 stop Vancouver Intl

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

17h 12m1 stop Vancouver Intl

$980Air New Zealand

Wed, Feb 17 - Wed, Feb 24

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

$980Air New Zealand

Tue, Jan 26 - Tue, Feb 9

12:54 pm - 6:35 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 41m1 stop Las Vegas Harry Reid Intl

11:20 am - 12:43 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 23m1 stop Los Angeles

$1,052Qantas Airways

Wed, Nov 18 - Tue, Dec 15

1:16 pm - 9:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

25h 04m1 stop San Francisco

1:20 pm - 6:28 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

24h 08m1 stop San Francisco

$1,081United Airlines

Sun, Nov 15 - Tue, Dec 15

7:35 pm - 9:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

18h 45m1 stop San Francisco

1:20 pm - 12:18 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

17h 58m1 stop San Francisco

$1,081United Airlines

Recent last minute flight deals from Washington to Sydney

Wed, Sep 16 - Fri, Sep 18

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

22h 09m1 stop Los Angeles

9:25 pm - 1:22 pmSYD Sydney Kingsford Smith-GEG Spokane

32h 57m1 stop San Francisco

$1,229Multiple Airlines

Wed, Sep 16 - Fri, Sep 18

6:30 am - 7:05 amGEG Spokane-SYD Sydney Kingsford Smith

31h 35m2 stops Phoenix Sky Harbor Intl Los Angeles

9:25 pm - 1:22 pmSYD Sydney Kingsford Smith-GEG Spokane

32h 57m1 stop San Francisco

$1,237Multiple Airlines

Wed, Sep 16 - Wed, Sep 30

10:10 am - 7:20 amPDX Portland-SYD Sydney Kingsford Smith

28h 10m1 stop Vancouver Intl

9:20 am - 7:11 pmSYD Sydney Kingsford Smith-PDX Portland

26h 51m1 stop Vancouver Intl

$1,260Air Canada

Wed, Sep 16 - Tue, Sep 29

7:45 pm - 7:20 amPDX Portland-SYD Sydney Kingsford Smith

18h 35m1 stop Vancouver Intl

9:20 am - 9:31 amSYD Sydney Kingsford Smith-PDX Portland

17h 11m1 stop Vancouver Intl

$1,260Air Canada

Wed, Sep 16 - Tue, Sep 29

7:45 pm - 7:20 amPDX Portland-SYD Sydney Kingsford Smith

18h 35m1 stop Vancouver Intl

9:20 am - 7:11 pmSYD Sydney Kingsford Smith-PDX Portland

26h 51m1 stop Vancouver Intl

$1,339Air New Zealand

Wed, Sep 16 - Tue, Sep 29

6:30 am - 7:05 amPDX Portland-SYD Sydney Kingsford Smith

31h 35m1 stop Los Angeles

1:40 pm - 10:06 pmSYD Sydney Kingsford Smith-PDX Portland

25h 26m2 stops Brisbane Los Angeles

$1,479Qantas Airways

Wed, Sep 16 - Wed, Sep 30

1:53 pm - 9:15 amPDX Portland-SYD Sydney Kingsford Smith

26h 22m2 stops Los Angeles Brisbane

3:45 pm - 10:06 pmSYD Sydney Kingsford Smith-PDX Portland

23h 21m2 stops Brisbane Los Angeles

$1,506Qantas Airways

Sun, Sep 20 - Sat, Oct 3

9:00 am - 8:45 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

30h 45m2 stops San Francisco Auckland Intl

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

41h 12m2 stops Auckland Intl Vancouver Intl

$1,513Air New Zealand

Wed, Sep 16 - Tue, Sep 29

1:20 pm - 6:50 amPDX Portland-SYD Sydney Kingsford Smith

24h 30m2 stops Salt Lake City Los Angeles

9:15 am - 5:10 pmSYD Sydney Kingsford Smith-PDX Portland

24h 55m2 stops Los Angeles Seattle/Tacoma Intl

$1,523Delta

Tue, Sep 15 - Thu, Sep 17

7:00 am - 7:30 amPSC Pasco Tri Cities-SYD Sydney Kingsford Smith

31h 30m1 stop Los Angeles

5:50 pm - 10:20 pmSYD Sydney Kingsford Smith-PSC Pasco Tri Cities

21h 30m1 stop Los Angeles

$2,194Alaska Airlines

Useful Info

Low season	July
High season	December
Cheapest flight	$73

Best time to beat the crowds but there is an average 4% 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.