PER - SEA

$568 Find Cheap Flights from Perth to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Perth to Seattle departing on 2/9. 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 Seattle

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Perth to Seattle, 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 Perth to Seattle, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$899
Overall average: $1,493
Japan Airlines
Mon 2/16Wed 3/4
PER - SEA • 2 stops
Cheapest one-way
$568
Typical prices: $986-$1,111
Multiple Airlines
Mon 2/9
PER - SEA • 3 stops
When to book
2 weeks
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 29% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
September
Cheapest • 15% price drop
June
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Seattle!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Perth to Seattle (PER-SEA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Perth to Seattle 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 round-trip flight deals from Perth to Seattle

Mon, Feb 16 - Wed, Mar 4
Japan Airlines Logo
10:30 am - 9:55 am
PER
-
SEA
39h 25m2 stops
Japan Airlines Logo
12:30 pm - 11:55 pm
SEA
-
PER
43h 25m2 stops
$899Japan Airlines
Sat, May 2 - Wed, May 6
Japan Airlines Logo
12:10 am - 10:25 am
PER
-
SEA
25h 15m2 stops
Japan Airlines Logo
1:30 pm - 12:40 am
SEA
-
PER
44h 10m2 stops
$1,066Japan Airlines
Sat, May 2 - Wed, May 6
Japan Airlines Logo
12:10 am - 10:25 am
PER
-
SEA
25h 15m2 stops
Japan Airlines Logo
1:30 pm - 12:40 am
SEA
-
PER
44h 10m2 stops
$1,068Japan Airlines
Mon, Feb 16 - Wed, Mar 4
ANA Logo
9:55 pm - 1:20 pm
PER
-
SEA
31h 25m1 stop
ANA Logo
3:45 pm - 8:10 pm
SEA
-
PER
36h 25m1 stop
$1,085ANA
Mon, Feb 16 - Wed, Mar 4
Multiple Airlines Logo
11:10 pm - 2:31 pm
PER
-
SEA
31h 21m2 stops
Multiple Airlines Logo
9:30 pm - 7:20 am
SEA
-
PER
41h 50m1 stop
$1,094Multiple Airlines
Sat, Jan 24 - Sat, Jan 31
Multiple Airlines Logo
11:10 pm - 9:31 am
PER
-
SEA
26h 21m2 stops
Multiple Airlines Logo
8:00 pm - 10:15 pm
SEA
-
PER
34h 15m2 stops
$1,103Multiple Airlines
Sun, Jan 25 - Sun, Feb 8
Multiple Airlines Logo
11:10 pm - 2:31 pm
PER
-
SEA
31h 21m2 stops
Multiple Airlines Logo
5:50 am - 10:15 pm
SEA
-
PER
48h 25m2 stops
$1,124Multiple Airlines
Mon, Feb 16 - Wed, Mar 4
Multiple Airlines Logo
2:35 pm - 6:40 pm
PER
-
SEA
44h 05m3 stops
Multiple Airlines Logo
9:30 pm - 7:20 am
SEA
-
PER
41h 50m1 stop
$1,158Multiple Airlines
Fri, Jan 23 - Fri, Jan 30
Multiple Airlines Logo
11:10 pm - 10:06 pm
PER
-
SEA
38h 56m2 stops
Multiple Airlines Logo
8:00 pm - 10:15 pm
SEA
-
PER
34h 15m2 stops
$1,190Multiple Airlines
Sun, Jan 25 - Sun, Feb 8
Multiple Airlines Logo
2:35 pm - 3:05 pm
PER
-
SEA
40h 30m2 stops
Multiple Airlines Logo
8:45 am - 7:35 pm
SEA
-
PER
42h 50m1 stop
$1,226Multiple Airlines
Booking Insights

KAYAK's insights & trends for Perth to Seattle flights

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

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Perth to Seattle, 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 Perth to Seattle is September, where tickets cost $1,138 (return) on average. On the other hand, the most expensive months are December and February, where the average cost of round-trip tickets is $1,556 and $1,493 respectively.

How far in advance should I book a flight from Perth to Seattle?

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

To get a below average price on the flight from Perth to Seattle, you should book around 2 weeks before departure, which saves you about 29% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Find deals

Good to know

Low seasonNovember
Cheapest flight$568
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from Perth to Seattle

When to book flights from Perth to Seattle

Are your dates flexible? Find out the best times to travel from Perth to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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 Perth to Seattle

  • What is the cheapest flight from Perth to Seattle?

    In the last 3 days, the lowest price for a flight from Perth to Seattle was $568 for a one-way ticket and $899 for a round-trip.

  • Do I need a passport to fly between Perth and Seattle?

    Yes, you’ll need a passport to travel to Seattle from Perth.

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

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

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

    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 Perth to Seattle.

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

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

    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 Seattle with an airline and back to Perth with another airline. Booking your flights between Perth and SEA can sometimes prove cheaper using this method.

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

    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 Seattle from Perth 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 Perth to Seattle

Information on your arrival and departure airports

Perth (PER)
Seattle (SEA)