SEA - PER

$800 Find Cheap Flights from Seattle to Perth

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Perth departing on 15/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Perth

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Perth, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Perth, as well as popular online travel agencies
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Everything you should know

Cheapest return fare
$1,652
Overall average: $2,252
Singapore Airlines
Tue 7/4Mon 20/4
SEA - PER • 1 stop
Cheapest one-way flight
$800
Typical prices: $1,186-$1,189
Multiple Airlines
Sun 15/2
SEA - PER • 2 stops
When to travel
September
Cheapest • 16% price drop
December
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Perth!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seattle to Perth (SEA-PER)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Seattle to Perth that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Seattle to Perth

Tue, 7 Apr - Mon, 20 Apr
Singapore Airlines Logo
10:15 - 23:55
SEA
-
PER
22h 40m1 stop
Singapore Airlines Logo
01:10 - 08:45
PER
-
SEA
22h 35m1 stop
$1,652Singapore Airlines
Tue, 7 Apr - Mon, 20 Apr
Multiple Airlines Logo
10:15 - 05:10
SEA
-
PER
27h 55m1 stop
Multiple Airlines Logo
01:10 - 18:47
PER
-
SEA
32h 37m3 stops
$1,786Multiple Airlines
Tue, 7 Apr - Mon, 20 Apr
Multiple Airlines Logo
10:15 - 05:10
SEA
-
PER
27h 55m1 stop
Multiple Airlines Logo
01:10 - 14:51
PER
-
SEA
28h 41m2 stops
$1,791Multiple Airlines
Tue, 7 Apr - Mon, 27 Apr
Cathay Pacific Logo
19:55 - 07:45
SEA
-
PER
44h 50m2 stops
Cathay Pacific Logo
00:10 - 07:08
PER
-
SEA
45h 58m2 stops
$1,861Cathay Pacific
Mon, 9 Feb - Mon, 2 Mar
Multiple Airlines Logo
15:57 - 22:55
SEA
-
PER
38h 58m2 stops
Multiple Airlines Logo
08:30 - 22:43
PER
-
SEA
30h 13m2 stops
$1,875Multiple Airlines
Mon, 9 Feb - Mon, 2 Mar
Qatar Airways Logo
16:05 - 18:45
SEA
-
PER
34h 40m1 stop
Qatar Airways Logo
15:55 - 11:40
PER
-
SEA
35h 45m1 stop
$1,927Qatar Airways
Mon, 9 Feb - Mon, 2 Mar
Qatar Airways Logo
16:05 - 11:55
SEA
-
PER
27h 50m1 stop
Qatar Airways Logo
22:45 - 20:47
PER
-
SEA
38h 02m2 stops
$1,965Qatar Airways
Sun, 1 Mar - Thu, 5 Mar
Cathay Pacific Logo
06:10 - 06:55
SEA
-
PER
32h 45m2 stops
Cathay Pacific Logo
08:30 - 21:48
PER
-
SEA
29h 18m2 stops
$2,009Cathay Pacific
Wed, 28 Jan - Wed, 4 Feb
Qatar Airways Logo
16:05 - 11:55
SEA
-
PER
27h 50m1 stop
Qatar Airways Logo
22:45 - 11:40
PER
-
SEA
28h 55m1 stop
$2,015Qatar Airways
Wed, 28 Jan - Wed, 4 Feb
Qatar Airways Logo
16:05 - 11:55
SEA
-
PER
27h 50m1 stop
Qatar Airways Logo
22:45 - 16:47
PER
-
SEA
34h 02m2 stops
$2,054Qatar Airways
Booking Insights

KAYAK's insights & trends for Seattle to Perth flights

Get data-powered insights and trends into flights from Seattle to Perth to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Seattle to Perth?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Perth, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Perth is September, where tickets cost $1,941 (return) on average. On the other hand, the most expensive months are January and November, where the average cost of round-trip tickets is $3,038 and $2,617 respectively.

Find deals

Good to know

Low seasonAugust
Cheapest flight$800
Best time to beat the crowds (11% less expensive on average)
Most popular time to fly (7% more expensive on average)
Flight from Seattle to Perth

When to book flights from Seattle to Perth

Are your dates flexible? Find out the best times to travel from Seattle to Perth based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to Perth

  • What is the cheapest flight from Seattle to Perth?

    In the last 3 days, the lowest price for a flight from Seattle to Perth was $800 for a one-way ticket and $1,652 for a return.

  • Which aircraft models fly most regularly from Seattle to Perth?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Seattle 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 Seattle to Perth.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Perth from Seattle 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 Seattle 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 Seattle with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle 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 Seattle 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 from Seattle to Perth

Information on your arrival and departure airports

Seattle (SEA)
Perth (PER)