PER - SEA

$672 Find Cheap Flights from Perth to Seattle - Compare and Save

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 8/21. 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

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Everything you should know

Cheapest round-trip
$1,107
Typical prices: $1,063-$1,591
Multiple Airlines
Tue 9/8Tue 9/15
PER - SEA • 2 stops
Cheapest one-way
$672
Multiple Airlines
Fri 8/21
PER - SEA • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Perth and Seattle. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
When to travel
February
Cheapest • 23% price drop
September
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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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

Tue, Sep 8 - Tue, Sep 15
Multiple Airlines Logo
5:35 am - 10:40 am
PER
-
SEA
44h 05m
2 stops
Multiple Airlines Logo
12:50 pm - 4:20 am
SEA
-
PER
48h 30m
2 stops
$1,107Multiple Airlines
Mon, Sep 7 - Sun, Sep 13
Multiple Airlines Logo
9:55 am - 3:15 pm
PER
-
SEA
44h 20m
3 stops
Multiple Airlines Logo
12:10 am - 4:20 am
SEA
-
PER
61h 10m
3 stops
$1,139Multiple Airlines
Mon, Sep 7 - Sun, Sep 13
Multiple Airlines Logo
9:55 am - 3:15 pm
PER
-
SEA
44h 20m
3 stops
Multiple Airlines Logo
12:10 am - 4:20 am
SEA
-
PER
61h 10m
3 stops
$1,142Multiple Airlines
Tue, Sep 8 - Tue, Sep 15
Multiple Airlines Logo
5:35 am - 10:40 am
PER
-
SEA
44h 05m
2 stops
Multiple Airlines Logo
12:50 pm - 4:20 am
SEA
-
PER
48h 30m
2 stops
$1,152Multiple Airlines
Mon, Sep 7 - Sun, Sep 13
Multiple Airlines Logo
9:55 am - 7:45 pm
PER
-
SEA
48h 50m
2 stops
Multiple Airlines Logo
1:55 am - 5:10 pm
SEA
-
PER
48h 15m
2 stops
$1,179Multiple Airlines
Mon, Sep 7 - Sun, Sep 13
Multiple Airlines Logo
9:55 am - 7:45 pm
PER
-
SEA
48h 50m
2 stops
Multiple Airlines Logo
1:55 am - 5:10 pm
SEA
-
PER
48h 15m
2 stops
$1,180Multiple Airlines
Mon, Oct 12 - Wed, Oct 21
Multiple Airlines Logo
6:25 pm - 4:10 pm
PER
-
SEA
36h 45m
2 stops
Multiple Airlines Logo
1:15 am - 4:20 am
SEA
-
PER
36h 05m
2 stops
$1,188Multiple Airlines
Fri, Sep 4 - Thu, Sep 10
Multiple Airlines Logo
4:45 am - 10:40 am
PER
-
SEA
44h 55m
3 stops
Multiple Airlines Logo
12:50 pm - 3:45 am
SEA
-
PER
47h 55m
3 stops
$1,205Multiple Airlines
Thu, Sep 10 - Wed, Sep 16
Multiple Airlines Logo
5:35 am - 4:10 pm
PER
-
SEA
25h 35m
2 stops
Multiple Airlines Logo
1:15 am - 4:20 am
SEA
-
PER
36h 05m
2 stops
$1,210Multiple Airlines
Mon, Aug 31 - Tue, Sep 29
Qantas Airways Logo
10:30 am - 10:59 pm
PER
-
SEA
27h 29m
2 stops
Qantas Airways Logo
5:44 pm - 5:00 pm
SEA
-
PER
32h 16m
2 stops
$1,231Qantas Airways
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.

How much is a round-trip flight from Perth to Seattle?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Perth to Seattle departing in September.

Flight prices are typical for this route right now.

Flights to Seattle from Perth usually cost between $1,066 and $1,483 in September.
The lowest price found in the past 5 days was $1,107 on Multiple Airlines (Sep 8-Sep 15).

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 February, where tickets cost $1,081 (return) on average. On the other hand, the most expensive months are March and April, where the average cost of round-trip tickets is $1,650 and $1,641 respectively.

Find deals

Good to know

Low season

October

Cheapest flight

$672
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly and prices are also 13% 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 5 days, the lowest price for a flight from Perth to Seattle was $672 for a one-way ticket and $1,107 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.

  • Which airlines provide the cheapest flights from Perth to Seattle?

    In the past 5 days, the cheapest round-trip tickets from Perth to Seattle were found on Singapore Airlines ($1,254) and United Airlines ($1,468).

Everything you need to know for your flight from Perth to Seattle

Information on your arrival and departure airports

Perth (PER)
Seattle (SEA)