Find flights
When to book
FAQs

Cheap flights from Perth to Seattle from $1,694

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight to Seattle departing on 10/9. 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.
PER — SEA
5 Mar — 12 Mar1
1 adult
Tue 5/3
Tue 12/3

The best prices from Perth to Seattle/Tacoma Intl are usually found in March or April, booked 73 days in advance, depart on a Monday or Wednesday and return on a Tuesday

Cheap flight deals from Perth to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Perth (PER) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 1 March 2024.

Popular in

December

Cheapest in

March

Average price

$2,357

Round-trip from

$2,440
High demand for flights, 16% potential price rise
Best time to find cheap flights, 17% potential price drop
Average for round-trip flights in February 2024
From Perth to Seattle/Tacoma Intl

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 28% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Our data shows that March tends to be the cheapest month to fly to Seattle from Perth. Users have commonly found prices around $2,470 for the month, but tickets can be as low as $1,676. Due to multiple factors, prepare for potentially higher prices in December.

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

It’s optimal to fly from Perth to Seattle in the afternoon. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight at midday.

Perth to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Perth and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 702,028 searches. Data last updated 1 March 2024.
Tue 10/906:25PER - SEA
2 stops40h 50mSingapore Airlines
Tue 22/1010:15SEA - PER
1 stop27h 55mSingapore Airlines
Deal found 29/2$1,694
Mon 23/917:10PER - SEA
1 stop30h 35mSingapore Airlines
Sun 20/1010:15SEA - PER
1 stop27h 55mSingapore Airlines
Deal found 29/2$1,814
Tue 10/906:25PER - SEA
2 stops40h 50mSingapore Airlines
Tue 22/1017:45SEA - PER
2 stops27h 45mSingapore Airlines
Deal found 29/2$1,829
Mon 28/1001:10PER - SEA
1 stop22h 05mSingapore Airlines
Sat 2/1109:45SEA - PER
1 stop35h 50mSingapore Airlines
Deal found 28/2$1,857
Mon 12/817:10PER - SEA
1 stop30h 35mSingapore Airlines
Mon 18/1115:55SEA - PER
2 stops28h 40mSingapore Airlines
Deal found 29/2$2,023
Mon 9/901:10PER - SEA
2 stops47h 44mSingapore Airlines
Tue 22/1010:15SEA - PER
1 stop27h 55mSingapore Airlines
Deal found 29/2$2,028
Mon 23/912:10PER - SEA
2 stops37h 15mJapan Airlines
Sun 20/1013:30SEA - PER
2 stops44h 15mJapan Airlines
Deal found 29/2$2,054
Wed 12/615:30PER - SEA
2 stops35h 57mMultiple Airlines
Mon 8/719:05SEA - PER
2 stops28h 50mMultiple Airlines
Deal found 29/2$2,057
Mon 16/901:10PER - SEA
1 stop22h 35mSingapore Airlines
Thu 17/1017:45SEA - PER
2 stops27h 45mSingapore Airlines
Deal found 29/2$2,058

When is the best time to book a flight from Perth to Seattle?

Use this chart to determine the optimal time to book a return flight from Perth to Seattle. Price data was last updated on 28 January 2024.
To ensure you get the cheapest price possible for a flight from Perth to Seattle, you should look to book at least 73 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

When is the cheapest time to fly from Perth to Seattle?

Use this chart to determine the cheapest time to fly return from Perth to Seattle. Price data was last updated on 25 February 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Perth to Seattle flight should consider departing on Monday mornings when fares are most often at their lowest. Tuesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Seattle by month

Plan your trip from Perth to Seattle by taking into account the cheapest months to travel. The average price of a one-way flight from Perth to Seattle is currently $0 while a return flight costs $0. Price data was last updated on 25 February 2024.

Currently, February is the cheapest month in which you can book a flight from Perth to Seattle (average of $1,033). Flying from Perth to Seattle in July is currently the most expensive (average of $1,537). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$1,817

February

$1,588

March

$1,590

April

$1,809

May

$1,777

June

$1,962

July

$2,363

August

$1,931

September

$1,922

October

$1,705

November

$1,626

December

$2,355

Temperature and rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average temperature and rainfall totals by month.

SEA

Temperature

5 - 19 °C

Related info for your journey

Find useful and relevant information for your journey from Perth to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

What does PER to SEA mean?

This is defined as Perth Airport (PER) and Seattle/Tacoma Intl Airport (SEA). Codes like Seattle/Tacoma Intl Airport are often used to just call airports uniquely.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip
Complete your trip to Seattle by adding a car hire and/or hotel booking to your travel itinerary.

Top 6 airlines flying from Perth to Seattle

Discover the top 6 airlines that operate flights from Perth to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 702,028 searches. Data last updated 1 March 2024.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$1,539Average$2,350FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Virgin AustraliaCheapest$1,650Average$2,621FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Singapore AirlinesCheapest$1,653Average$2,101FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Air CanadaCheapest$1,797Average$2,918FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,976Average$3,117FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Qatar AirwaysCheapest$2,257Average$2,585FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Search flights from Perth to Seattle by cabin class

Find flights from Perth to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Perth to Seattle?

Deals for Perth to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Perth to Seattle?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Perth to Seattle for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Perth to Seattle with no change fees?

Need flexible booking options for your flight to Seattle from Perth? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Perth to Seattle become cheaper?

Not ready to book yet? You can track prices for flights from Perth to Seattle on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.