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.

$532 CHEAP FLIGHTS from Washington to Sydney

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

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, Sep 8 - Mon, Sep 14

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

23h 20m1 stop Vancouver Intl

9:20 am - 2:22 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 02m1 stop Vancouver Intl

$938Air Canada

Tue, Nov 3 - Tue, Nov 17

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

$938Air Canada

Sun, Oct 25 - Wed, Nov 4

11:06 am - 12:35 pmSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

31h 29m2 stops Los Angeles Los Angeles Nadi

2:00 pm - 6:26 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

23h 26m2 stops Nadi Los Angeles Los Angeles

$939Multiple Airlines

Sun, Oct 25 - Mon, Nov 23

7:05 pm - 8:35 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 30m1 stop Vancouver Intl

11:20 am - 12:56 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 36m1 stop Vancouver Intl

$948Multiple Airlines

Tue, Nov 24 - Thu, Jan 14

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

23h 20m1 stop Vancouver Intl

4:00 pm - 2:37 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

17h 37m1 stop Vancouver Intl

$1,035Air New Zealand

Mon, Nov 23 - Thu, Jan 14

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

23h 20m1 stop Vancouver Intl

4:00 pm - 6:22 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 22m1 stop Vancouver Intl

$1,035Air New Zealand

Mon, Aug 31 - Mon, Sep 7

10:55 am - 6:55 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

27h 00m1 stop San Francisco

10:20 am - 2:24 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 04m1 stop San Francisco

$1,040United Airlines

Mon, Aug 31 - Mon, Sep 7

11:03 am - 7:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

26h 57m2 stops Denver Intl Los Angeles Los Angeles

10:20 am - 8:43 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

27h 23m1 stop San Francisco

$1,045United Airlines

Sun, Sep 6 - Tue, Oct 20

5:10 pm - 7:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

20h 55m1 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

$1,060Qantas Airways

Sun, Sep 6 - Mon, Oct 19

5:10 pm - 7:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

20h 55m1 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

$1,060Qantas Airways

Recent last minute flight deals from Washington to Sydney

Wed, Aug 12 - Sat, Aug 29

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

32h 30m1 stop Vancouver Intl

1:00 pm - 10:42 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

50h 42m2 stops Brisbane Vancouver Intl

$1,049Air Canada

Wed, Aug 12 - Sat, Aug 29

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

21h 03m1 stop Los Angeles Los Angeles

5:50 pm - 11:29 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 39m1 stop Los Angeles Los Angeles

$1,077Qantas Airways

Wed, Aug 12 - Sat, Aug 29

9:05 am - 6:55 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

28h 50m1 stop San Francisco

9:30 am - 9:31 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

29h 01m2 stops Los Angeles Los Angeles Denver Intl

$1,090United Airlines

Wed, Aug 12 - Sat, Aug 29

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

23h 26m2 stops Denver Intl Los Angeles Los Angeles

9:30 am - 5:42 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

25h 12m2 stops Los Angeles Los Angeles Denver Intl

$1,094United Airlines

Wed, Aug 12 - Sat, Aug 29

12:44 pm - 7:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

25h 16m2 stops Denver Intl Los Angeles Los Angeles

10:20 am - 5:42 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

24h 22m2 stops San Francisco Denver Intl

$1,094United Airlines

Sat, Aug 15 - Sat, Aug 22

3:16 pm - 7:05 amGEG Spokane-SYD Sydney Kingsford Smith

22h 49m2 stops Portland Los Angeles Los Angeles

9:10 am - 10:38 pmSYD Sydney Kingsford Smith-GEG Spokane

30h 28m1 stop Los Angeles Los Angeles

$1,112Multiple Airlines

Sat, Aug 15 - Sat, Aug 22

6:20 am - 7:05 amGEG Spokane-SYD Sydney Kingsford Smith

31h 45m1 stop Los Angeles Los Angeles

9:10 am - 10:38 pmSYD Sydney Kingsford Smith-GEG Spokane

30h 28m1 stop Los Angeles Los Angeles

$1,120Multiple Airlines

Wed, Aug 12 - Fri, Aug 14

11:51 am - 7:05 amGEG Spokane-SYD Sydney Kingsford Smith

26h 14m1 stop Los Angeles Los Angeles

5:50 pm - 10:15 pmSYD Sydney Kingsford Smith-GEG Spokane

21h 25m1 stop Los Angeles Los Angeles

$1,201Multiple Airlines

Tue, Aug 11 - Thu, Aug 13

1:16 pm - 8:45 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

26h 29m2 stops San Francisco Auckland Intl

11:55 am - 6:32 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

23h 37m2 stops Auckland Intl Vancouver Intl

$1,708Air New Zealand

Thu, Aug 13 - Sat, Aug 15

5:10 pm - 10:30 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 20m2 stops Los Angeles Los Angeles Melbourne

5:50 pm - 11:29 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 39m1 stop Los Angeles Los Angeles

$26,678Qantas Airways

Useful Info

Low season	July
High season	December
Cheapest flight	$532

Best time to beat the crowds but there is an average 6% increase in price.

Most popular time to fly with an average 33% 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.

Everything you need to know for your flight to Sydney

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Sydney

Sydney (SYD)

SYD

$532 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

Good to know

Low season

High season

Cheapest flight

FAQs for booking flights from Washington to Sydney

Everything you need to know for your flight to Sydney

Information on the airport you'll fly into in Sydney

Cabin class types available on flights to Washington

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

Find direct flights for Sydney

Flights to other popular destinations

Flights from domestic origins to Sydney

Choose which airport to fly into in Sydney

Find deals for your return flight