SEA - PER

$639 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 19/8. 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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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest return fare
$1,424
Overall average: $1,877
Multiple Airlines
Tue 11/8Mon 24/8
SEA - PER • 2 stops
Cheapest one-way flight
$639
Philippine Airlines
Wed 19/8
SEA - PER • 1 stop
Direct flights
Not available
There are currently no direct flights between Seattle and Perth. You’ll need at least 1 connection.
Insights
Insights
Insights
Insights
When to travel
February
Cheapest • 12% 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, 11 Aug - Mon, 24 Aug
Multiple Airlines Logo
16:30 - 17:10
SEA
-
PER
33h 40m
2 stops
Multiple Airlines Logo
18:25 - 14:25
PER
-
SEA
35h 00m
2 stops
$1,424Multiple Airlines
Wed, 29 Apr - Wed, 6 May
Multiple Airlines Logo
12:50 - 11:00
SEA
-
PER
31h 10m
2 stops
Multiple Airlines Logo
16:30 - 10:40
PER
-
SEA
33h 10m
2 stops
$1,505Multiple Airlines
Sun, 3 May - Tue, 19 May
Multiple Airlines Logo
01:15 - 17:10
SEA
-
PER
48h 55m
2 stops
Multiple Airlines Logo
18:25 - 16:10
PER
-
SEA
36h 45m
2 stops
$1,514Multiple Airlines
Sat, 16 May - Wed, 20 May
Multiple Airlines Logo
00:50 - 19:50
SEA
-
PER
52h 00m
2 stops
Multiple Airlines Logo
20:50 - 18:50
PER
-
SEA
37h 00m
2 stops
$1,559Multiple Airlines
Thu, 3 Sep - Sat, 3 Oct
Singapore Airlines Logo
10:15 - 12:30
SEA
-
PER
35h 15m
1 stop
Singapore Airlines Logo
16:55 - 08:45
PER
-
SEA
30h 50m
1 stop
$1,569Singapore Airlines
Wed, 29 Apr - Tue, 5 May
Cathay Pacific Logo
11:45 - 22:40
SEA
-
PER
43h 55m
1 stop
Cathay Pacific Logo
00:10 - 10:05
PER
-
SEA
24h 55m
1 stop
$1,573Cathay Pacific
Thu, 3 Sep - Sat, 3 Oct
Singapore Airlines Logo
10:15 - 05:10
SEA
-
PER
27h 55m
1 stop
Singapore Airlines Logo
13:45 - 08:45
PER
-
SEA
34h 00m
1 stop
$1,653Singapore Airlines
Mon, 17 Aug - Mon, 14 Sep
Multiple Airlines Logo
16:17 - 14:40
SEA
-
PER
31h 23m
2 stops
Multiple Airlines Logo
06:25 - 08:45
PER
-
SEA
41h 20m
1 stop
$1,678Multiple Airlines
Mon, 17 Aug - Mon, 14 Sep
Cathay Pacific Logo
12:25 - 22:40
SEA
-
PER
43h 15m
1 stop
Cathay Pacific Logo
08:20 - 10:20
PER
-
SEA
41h 00m
1 stop
$1,691Cathay Pacific
Mon, 17 Aug - Mon, 14 Sep
Cathay Pacific Logo
12:25 - 22:40
SEA
-
PER
43h 15m
1 stop
Cathay Pacific Logo
08:20 - 10:20
PER
-
SEA
41h 00m
1 stop
$1,693Cathay Pacific
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 February, where tickets cost $1,835 (return) on average. On the other hand, the most expensive months are October and November, where the average cost of round-trip tickets is $2,330 and $2,291 respectively.

Find deals

Good to know

Low seasonJanuary
Cheapest flight$639
Best time to beat the crowds but there is an average 1% increase in price.
Most popular time to fly (9% 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 $550 for a one-way ticket and $1,424 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)