Question 1

What’s the top stopover airport for flights from Perth to Seattle?

Accepted Answer

Singapore (SIN) – chosen by Cheapflights users on 87% of one-stop itineraries from Perth to Seattle on Cheapflights. Find deals

Question 2

Which airport typically offers the quickest stopover for flights from Perth to Seattle?

Accepted Answer

Flights via Singapore (SIN) offer the fastest connection on this route, with an average stopover time of 3h 25m. Find deals

Question 3

What’s the fastest stopover option from Perth to Seattle?

Accepted Answer

Flights via Singapore (SIN) have the shortest average one-way travel time for one-stop routes: 24h 24m. Find deals

Question 4

What’s the cheapest stopover airport for flights from Perth to Seattle?

Accepted Answer

Singapore (SIN) is the most affordable one-stop option, with an average return flight price of $2,609. Find deals

Question 5

What are the cheapest airlines flying from Perth to Seattle round-trip?

Accepted Answer

According to our current data, Japan Airlines ($1,517), ANA ($1,615), and Singapore Airlines ($1,698) offers the cheapest pricing from Perth to Seattle. These flights start at 25% lower than the current average price 3 months from now.

Question 6

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

Accepted Answer

To ensure you get the cheapest price possible for a flight from Perth to Seattle, you should look to book at least 49 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.

Question 7

What is the cheapest month to book a flight from Perth to Seattle?

Accepted Answer

Currently, March is the cheapest month in which you can book a flight from Perth to Seattle (average of $875). Flying from Perth to Seattle in December is currently the most expensive (average of $1,381). 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.

Question 8

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

Accepted Answer

Travellers seeking maximum savings on their Perth to Seattle flight should consider departing on Friday mornings when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Question 9

E

Accepted Answer

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Question 10

E

Accepted Answer

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Question 11

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

Accepted Answer

The most popular airlines flying from Perth to Seattle are Japan Airlines, ANA and Qantas Airways. Something to consider prior to booking your flight.

Question 12

What is the cheapest day to fly return from Perth to Seattle?

Accepted Answer

Travellers have found that booking a Tuesday departure is the best way to save up to 16% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

Question 13

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

Accepted Answer

To save on the cost of your flight from Perth to Seattle, book at least 50 days before your planned departure. Booking around this time can save you about 4% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,526 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $2,121.

Question 14

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

Accepted Answer

Our data shows that February tends to be the cheapest month to fly to Seattle from Perth. Users have commonly found prices around $2,025 for the month, but tickets can be as low as $1,601. Due to multiple factors, prepare for potentially higher prices in December.

Question 15

What is the cheapest time of day to fly from PER to SEA?

Accepted Answer

It’s optimal to fly from Perth to Seattle in the morning. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight at midday.

Question 16

Can I find deals for flights from Perth to Seattle that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Perth to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 17

How can I find direct flights from Perth to Seattle?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Perth to Seattle.

Question 18

Can I find deals for business class flights from Perth to Seattle?

Accepted Answer

Yes. Cheapflights offers flight deals from Perth to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 19

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

Accepted Answer

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.

Question 20

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

Accepted Answer

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.

Question 21

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

Accepted Answer

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.

Question 22

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

Accepted Answer

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.

Round-trip from	$1,302
One-way from	$969
Popular in	December
Cheapest in	February
Average price	$2,086

Airline	Cheapest	Average	Flexibility	On-time
Japan Airlines	Cheapest$1,517	Average$1,761	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights
ANA	Cheapest$1,615	Average$2,128	FlexibilityNo cancel fee	On-time80%	Search ANA flights
Singapore Airlines	Cheapest$1,698	Average$2,039	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Qantas Airways	Cheapest$1,920	Average$2,465	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights

Cheap flights from Perth to Seattle from $969

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Perth to Seattle

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Find flight deals from Perth to Seattle

Cheapest flights from Perth to SeattleExplore the most affordable flight options available from Perth to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2025.

Explore the most affordable flight options available from Perth to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Perth to Seattle that are best for you.

Best time to book a flight from Perth to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Perth with our price prediction graph.

Cheapflights Insights

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

How far ahead should I 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 8 August 2025.

What is the cheapest month to book a flight from Perth to Seattle?

What is the cheapest time of day to fly from PER to SEA?

Find hourly flight availability from Perth to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 August 2025.

What’s the top stopover airport for flights from Perth to Seattle?

Share of one-stop return flights from Perth to Seattle chosen by Cheapflights users in the past 12 months, using the same stopover each way.

What’s the cheapest stopover airport for flights from Perth to Seattle?

Average return fare for one-stop flights from Perth to Seattle, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

What’s the fastest stopover option from Perth to Seattle?

Shortest average travel time for one-stop one-way flights from Perth to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Which airport typically offers the quickest stopover for flights from Perth to Seattle?

Average stopover duration for one-stop one-way flights from Perth to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Seattle

Get a feel of what it's like to fly with ANA, Japan Airlines, andSingapore Airlines from Perth to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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 cheapest airlines flying from Perth to Seattle round-trip?

Can I find deals for flights from Perth to Seattle that include hotel bookings?

How can I find direct flights from Perth to Seattle?

Can I find deals for business class flights from Perth to Seattle?

What is the cheapest month to book a flight from Perth to Seattle?

Travelling to a place near Seattle?

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Alternative routes for Perth to Seattle

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Top 4 airlines flying from Perth to Seattle

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

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

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

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

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Cheapest flights from Perth to Seattle
Explore the most affordable flight options available from Perth to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2025.