Prices are in Australian Dollars.

Cheap flights from Perth to Seattle

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Economy
Perth (PER)
Seattle (SEA)
Depart
Return
Any month
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The best prices from Perth to Seattle/Tacoma Intl are usually found in February or May, booked 17 days in advance, depart on a Monday or Wednesday and return on a Monday

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Sat. 2/10
Sat. 9/10
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How to find the cheapest flight from
Perth (PER) to Seattle (SEA)

All the information you need to plan the best PER to SEA flight in 2021: compare Perth to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
PER - SEA
Price
$1,086 - $2,770
SEA
Temperature
5 - 19 °C
SEA
Precipitation
18 - 168 mm

Popular in

January

High demand for flights, 44% potential price rise

Cheapest in

February

Best time to find cheap flights, 30% potential price drop

Average price

$1,265

Average for round-trip flights in septiembre 2021

Round-trip from

$1,086

From Perth to Seattle/Tacoma Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly return from Perth to Seattle?

Travellers have found that booking a Sunday departure is the best way to save up to 36% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

To save on the cost of your flight from Perth to Seattle, book at least 18 days before your planned departure. Booking around this time can save you about 43% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,471 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $2,275.

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

Our data shows that February tends to be the cheapest month to fly to Seattle from Perth. Users have commonly found prices around $1,550 for the month, but tickets can be as low as $1,042. Due to multiple factors, prepare for potentially higher prices in January.

When is the cheapest time to fly from Perth to Seattle (PER - SEA)?

It’s optimal to fly from Perth to Seattle in the morning. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the afternoon.

Perth to Seattle 2021 flight deals

Cheap flights to Seattle from Perth found for this year
15 Dec - 29 Dec
$2,309pp
PER
Perth
Multiple airlines
     
3 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
PER
Perth
16 Dec - 1 Jan
$2,972pp
PER
Perth
Malaysia Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Malaysia Airlines
   
2 STOPS
PER
Perth
16 Dec - 29 Dec
$3,670pp
PER
Perth
Multiple airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
PER
Perth

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Perth</span> to <span class="emphasized">Seattle</span> flights.

Flight FAQs

From Perth to Seattle

Which airlines flying from Perth to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

Some of our airline partners flying from Perth to Seattle/Tacoma Intl have new flexible policies in place due to COVID-19. Virgin Australia, Singapore Airlines, and Cathay Pacific are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Virgin Australia with this kind of flexibility.

Can I find flights from Perth to Seattle for under $1,400 on Cheapflights?

Yes, there are multiple flights from Perth to Seattle for under $1,400. The cheapest flight booked recently is on Multiple Airlines for just $1,389, but on average you can expect to pay $2,026.

How popular is this Perth to Seattle flight route?

The Perth to Seattle/Tacoma Intl flight path was viewed by 322 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines flying from Perth to Seattle return?

According to our current data, Emirates ($2,191), Qatar Airways ($2,226), and American Airlines ($2,284) offers the cheapest pricing from Perth to Seattle.

What are the cheapest flights from Perth to Seattle?

The cheapest flight price from Perth to Seattle is $754. On average you can expect to pay $2,521. The most popular route, (Perth - Seattle/Tacoma Intl), can usually be booked for $1,484.

What are the most popular airlines that fly from Perth to Seattle?

The most popular airlines flying from Perth to Seattle are American Airlines, Air Canada and Cathay Pacific. Something to consider prior to booking your flight.

COVID Restrictions

View COVID Travel Restrictions for Seattle, WA

Do I need a COVID test to fly to Seattle from Perth?

Information is based on travel restrictions from Perth to Seattle/Tacoma Intl

Most visitors from Perth need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.

COVID-19 testing requirements
Visitors from Perth must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Perth are not required to quarantine after entering Seattle/Tacoma Intl.

Do I need a test to fly back to Perth from Seattle?

Returning to Perth from Seattle/Tacoma Intl

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Perth.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Perth.

Hide COVID Travel Restrictions for Seattle, WA

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Perth to Seattle.
Today's exchange rate
$1 = $0.73
Average temperature for September in Seattle
23.0 °C
Avg rainfall for September in Seattle
26.0 mm

Airports servicing Perth

Airports servicing Seattle

Top 7 airlines flying from Perth to Seattle/Tacoma Intl

The chart below displays the airlines Cheapflights users travelling from Perth to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Qantas Airways
$870 $1,815 No cancel fee 74%
Search Qantas Airways flights
Cathay Pacific
$934 $1,366 No cancel fee 72%
Search Cathay Pacific flights
Singapore Airlines
$1,001 $1,491 No cancel fee 81%
Search Singapore Airlines flights
Japan Airlines
$1,036 $1,856 No cancel fee 79%

We couldn't confirm the COVID-19 safety measures taken by Japan Airlines. Please check directly on their website for additional information.

Search Japan Airlines flights
Air New Zealand
$1,088 $1,539 No cancel fee 78%
Search Air New Zealand flights
Virgin Australia
$1,098 $1,390 No cancel fee 80%
Search Virgin Australia flights
Emirates
$2,054 $2,403 No cancel fee 75%
Search Emirates flights
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