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.

$402 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 13 - Tue, Oct 27

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

27h 30m1 stop Vancouver Intl

10:20 am - 9:17 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

16h 57m1 stop Vancouver Intl

$898Air Canada

Tue, Feb 9 - Sun, Feb 28

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

19h 30m1 stop Vancouver Intl

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

26h 02m1 stop Vancouver Intl

$900Air Canada

Sat, Oct 31 - Sun, Nov 8

7:05 pm - 1:40 pmSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 35m2 stops Vancouver Intl Brisbane

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

26h 02m1 stop Vancouver Intl

$919Multiple Airlines

Sat, Oct 31 - Sun, Nov 8

7:05 pm - 4:40 pmSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

27h 35m2 stops Vancouver Intl Brisbane

6:20 am - 9:27 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 07m2 stops Brisbane Vancouver Intl

$929Multiple Airlines

Wed, Nov 18 - Mon, Nov 30

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

23h 20m1 stop Vancouver Intl

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

26h 02m1 stop Vancouver Intl

$999Air New Zealand

Tue, Nov 17 - Mon, Nov 30

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

23h 20m1 stop Vancouver Intl

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

26h 02m1 stop Vancouver Intl

$999Air New Zealand

Mon, Sep 28 - Wed, Oct 7

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

21h 28m1 stop Los Angeles

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

20h 06m1 stop Los Angeles

$1,075Qantas Airways

Wed, Sep 23 - Wed, Sep 30

5:59 pm - 7:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

20h 06m1 stop Los Angeles

5:50 pm - 10:40 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 50m1 stop Los Angeles

$1,075Qantas Airways

Wed, Nov 18 - Wed, Dec 9

1:35 pm - 9:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 25m1 stop Los Angeles

2:05 pm - 10:11 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

27h 06m1 stop Dallas/Fort Worth

$1,087American Airlines

Wed, Sep 23 - Wed, Sep 30

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

21h 28m1 stop Los Angeles

9:10 am - 2:56 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 46m2 stops Los Angeles Sacramento Intl

$1,092American Airlines

Recent last minute flight deals from Washington to Sydney

Sun, Aug 30 - Tue, Sep 15

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

23h 20m1 stop Vancouver Intl

9:20 am - 10:05 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

17h 45m1 stop Vancouver Intl

$898Air Canada

Sun, Aug 30 - Tue, Sep 15

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

23h 20m1 stop Vancouver Intl

9:20 am - 10:05 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

17h 45m1 stop Vancouver Intl

$901Air Canada

Sun, Aug 30 - Tue, Sep 15

7:20 pm - 10:40 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 20m2 stops Vancouver Intl Brisbane

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

26h 12m1 stop Vancouver Intl

$912Multiple Airlines

Sun, Aug 30 - Tue, Sep 15

7:20 pm - 10:40 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 20m2 stops Vancouver Intl Brisbane

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

26h 12m1 stop Vancouver Intl

$962Multiple Airlines

Mon, Aug 31 - Sun, Sep 6

5:50 am - 7:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

32h 30m1 stop Vancouver Intl

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

26h 12m1 stop Vancouver Intl

$1,000Air New Zealand

Sun, Aug 30 - Tue, Sep 15

5:20 pm - 6:55 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

20h 35m1 stop San Francisco

10:20 am - 11:21 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

18h 01m1 stop San Francisco

$1,041United Airlines

Sun, Aug 30 - Tue, Sep 15

2:34 pm - 7:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 26m2 stops Denver Intl Los Angeles

9:30 am - 5:52 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

25h 22m2 stops Los Angeles Denver Intl

$1,046United Airlines

Thu, Aug 27 - Mon, Sep 7

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

$1,090ANA

Thu, Aug 27 - Mon, Sep 7

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

$1,091ANA

Thu, Aug 27 - Sat, Aug 29

4:30 pm - 8:45 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 15m2 stops Los Angeles Auckland Intl

11:55 am - 10:42 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

27h 47m2 stops Auckland Intl Vancouver Intl

$2,027Air New Zealand

Useful Info

Low season	July
High season	December
Cheapest flight	$402

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

$402 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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Complete your trip to Sydney with a hotel stay or car rental

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