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.

$479 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, Oct 11 - Sun, Oct 18

3:00 pm - 11:40 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

26h 40m2 stops Vancouver Intl Brisbane

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

17h 45m1 stop Vancouver Intl

$867Air Canada

Sun, Oct 11 - Sun, Oct 18

3:00 pm - 11:40 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

26h 40m2 stops Vancouver Intl Brisbane

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

21h 05m2 stops Brisbane Vancouver Intl

$880Air Canada

Sun, Oct 18 - Wed, Oct 28

7:15 pm - 8:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 05m1 stop Vancouver Intl

6:20 am - 9:17 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 57m2 stops Brisbane Vancouver Intl

$911Multiple Airlines

Mon, Nov 16 - Sun, Nov 22

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

28h 25m1 stop Vancouver Intl

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

22h 12m2 stops Brisbane Vancouver Intl

$911Multiple Airlines

Tue, Feb 2 - 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

$1,000Air New Zealand

Tue, Feb 2 - Mon, Feb 15

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

28h 25m1 stop Vancouver Intl

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

17h 07m1 stop Vancouver Intl

$1,000Air New Zealand

Tue, Sep 29 - Tue, Oct 6

5:02 pm - 7:30 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 28m1 stop Los Angeles Los Angeles

10:10 am - 12:16 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 06m1 stop Los Angeles Los Angeles

$1,076Qantas Airways

Wed, Dec 9 - Wed, Dec 23

3:30 pm - 6:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 50m1 stop San Francisco

11:50 am - 12:22 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

19h 32m1 stop San Francisco

$1,081United Airlines

Tue, Nov 24 - Tue, Dec 8

12:20 pm - 9:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

25h 45m1 stop Los Angeles Los Angeles

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

17h 52m1 stop San Francisco

$1,081United Airlines

Mon, Sep 28 - Wed, Oct 7

5:02 pm - 7:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 03m1 stop Los Angeles Los Angeles

10:10 am - 12:16 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 06m1 stop Los Angeles Los Angeles

$1,086Qantas Airways

Recent last minute flight deals from Washington to Sydney

Sat, Sep 5 - Mon, Sep 21

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

23h 20m1 stop Vancouver Intl

6:30 am - 10:47 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

33h 17m2 stops Brisbane Vancouver Intl

$1,004Air Canada

Sat, Sep 5 - Mon, Sep 21

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

19h 00m1 stop Vancouver Intl

6:30 am - 10:47 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

33h 17m2 stops Brisbane Vancouver Intl

$1,005Air Canada

Sat, Sep 5 - Sat, Sep 26

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

23h 20m1 stop Vancouver Intl

7:30 am - 10:05 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

19h 35m2 stops Brisbane Vancouver Intl

$1,070Multiple Airlines

Sat, Sep 5 - Sat, Sep 26

7:20 pm - 11:55 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 35m2 stops Vancouver Intl Brisbane

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

26h 12m1 stop Vancouver Intl

$1,085Multiple Airlines

Thu, Sep 3 - Thu, Sep 10

12:33 pm - 6:55 amGEG Spokane-SYD Sydney Kingsford Smith

25h 22m1 stop San Francisco

10:20 am - 10:30 amSYD Sydney Kingsford Smith-GEG Spokane

17h 10m1 stop San Francisco

$1,230United Airlines

Thu, Sep 3 - Thu, Sep 10

1:37 pm - 6:55 amGEG Spokane-SYD Sydney Kingsford Smith

24h 18m2 stops Denver Intl San Francisco

10:20 am - 10:30 amSYD Sydney Kingsford Smith-GEG Spokane

17h 10m1 stop San Francisco

$1,230United Airlines

Sat, Sep 5 - Thu, Sep 17

5:08 pm - 6:50 amPDX Portland-SYD Sydney Kingsford Smith

20h 42m2 stops Salt Lake City Los Angeles Los Angeles

9:15 am - 2:41 pmSYD Sydney Kingsford Smith-PDX Portland

22h 26m2 stops Los Angeles Los Angeles Seattle/Tacoma Intl

$1,523Delta

Sat, Sep 5 - Tue, Sep 15

5:08 pm - 6:50 amPDX Portland-SYD Sydney Kingsford Smith

20h 42m2 stops Salt Lake City Los Angeles Los Angeles

9:15 am - 2:41 pmSYD Sydney Kingsford Smith-PDX Portland

22h 26m2 stops Los Angeles Los Angeles Seattle/Tacoma Intl

$1,523Delta

Sat, Sep 5 - Sun, Sep 13

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

23h 55m1 stop Tokyo Haneda

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

34h 30m1 stop Tokyo Haneda

$8,587ANA

Fri, Sep 4 - Sun, Sep 13

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

23h 55m1 stop Tokyo Haneda

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

34h 30m1 stop Tokyo Haneda

$8,587ANA

Useful Info

Low season	July
High season	December
Cheapest flight	$479

Best time to beat the crowds but there is an average 8% increase in price.

Most popular time to fly with an average 35% 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

Swansea

Charlestown

Brooklyn

Newport

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Sydney (SYD)

SYD

$479 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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