How does KAYAK find such low prices on flights from Washington to Perth?

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 Perth.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Perth?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Perth 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 Perth?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Perth 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 Perth?

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 Perth from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$716 CHEAP FLIGHTS from Washington to Perth

Save 17% 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 Perth

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Recent return flight deals from Washington to Perth

Sun, 25 Oct - Sun, 8 Nov

19:15 - 14:30PDX Portland-PER Perth

28h 15m2 stops Vancouver Intl Sydney Kingsford Smith

22:30 - 14:41PER Perth-PDX Portland

32h 11m2 stops Brisbane Vancouver Intl

$1,549Multiple Airlines

Wed, 3 Mar - Wed, 17 Mar

19:10 - 14:30PDX Portland-PER Perth

27h 20m2 stops Vancouver Intl Sydney Kingsford Smith

22:55 - 09:25PER Perth-PDX Portland

25h 30m2 stops Sydney Kingsford Smith Vancouver Intl

$1,677Multiple Airlines

Tue, 3 Nov - Tue, 17 Nov

19:15 - 14:30PDX Portland-PER Perth

27h 15m2 stops Vancouver Intl Sydney Kingsford Smith

15:15 - 18:31PER Perth-PDX Portland

43h 16m2 stops Sydney Kingsford Smith Vancouver Intl

$1,681Multiple Airlines

Tue, 27 Oct - Tue, 3 Nov

19:15 - 21:35PDX Portland-PER Perth

35h 20m2 stops Vancouver Intl Brisbane

15:15 - 14:41PER Perth-PDX Portland

39h 26m2 stops Sydney Kingsford Smith Vancouver Intl

$1,687Air Canada

Mon, 26 Oct - Mon, 2 Nov

19:15 - 15:55PDX Portland-PER Perth

29h 40m2 stops Vancouver Intl Brisbane

15:15 - 14:41PER Perth-PDX Portland

39h 26m2 stops Sydney Kingsford Smith Vancouver Intl

$1,688Air Canada

Tue, 27 Oct - Tue, 3 Nov

19:15 - 16:00PDX Portland-PER Perth

29h 45m2 stops Vancouver Intl Brisbane

15:15 - 14:41PER Perth-PDX Portland

39h 26m2 stops Sydney Kingsford Smith Vancouver Intl

$1,703Multiple Airlines

Tue, 10 Nov - Tue, 17 Nov

11:00 - 16:25SEA Seattle/Tacoma Intl-PER Perth

37h 25m2 stops Incheon Intl Ho Chi Minh City

17:50 - 07:05PER Perth-SEA Seattle/Tacoma Intl

29h 15m1 stop Singapore Changi

$1,738Multiple Airlines

Tue, 20 Oct - Wed, 28 Oct

11:45 - 06:50SEA Seattle/Tacoma Intl-PER Perth

28h 05m1 stop Hong Kong Intl

00:25 - 09:45PER Perth-SEA Seattle/Tacoma Intl

24h 20m1 stop Hong Kong Intl

$1,741Cathay Pacific

Tue, 10 Nov - Tue, 17 Nov

08:40 - 12:35SEA Seattle/Tacoma Intl-PER Perth

35h 55m1 stop Singapore Changi

17:05 - 07:05PER Perth-SEA Seattle/Tacoma Intl

30h 00m1 stop Singapore Changi

$1,743Singapore Airlines

Wed, 21 Oct - Sun, 22 Nov

11:45 - 06:50SEA Seattle/Tacoma Intl-PER Perth

28h 05m1 stop Hong Kong Intl

08:30 - 08:45PER Perth-SEA Seattle/Tacoma Intl

40h 15m1 stop Hong Kong Intl

$1,755Cathay Pacific

Useful Info

Low season	June
High season	October
Cheapest flight	$716

Best time to beat the crowds (20% less expensive on average)

Most popular time to fly and prices are also 12% lower on average.

Flight from Seattle to Perth

How does KAYAK find such low prices on flights from Washington to Perth?
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 Perth.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Perth?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Perth 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 Perth?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Perth 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 Perth?
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 Perth from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.