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CA $1,039 Cheap Flights from Perth (PER) to Seattle (SEA)

View CA $1,039 flight on Mon, Mar 15, 2027Opens in a new window

Flight 1

Popular airlines from Perth Airport (PER) to Seattle-Tacoma International Airport (SEA)

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Cheap flights from Perth (PER) to Seattle (SEA)

Prices were available within the past 7 days and start at CA $1,039 for one-way flights and CA $1,992 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Sep 24 - Thu, Oct 1
PER
Perth
SEA
Seattle
CA $1,992 Roundtrip, found 14 hours ago
CA $1,992
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Thu, Sep 24 from Perth to Seattle, returning Thu, Oct 1, priced at CA $1,992 found 14 hours ago
Qantas Airways
Thu, Sep 24 - Thu, Oct 1
PER
Perth
SEA
Seattle
CA $2,044 Roundtrip, found 14 hours ago
CA $2,044
Roundtrip
found 14 hours ago
Select Qantas Airways flight, departing Thu, Sep 24 from Perth to Seattle, returning Thu, Oct 1, priced at CA $2,044 found 14 hours ago
American Airlines
Thu, Sep 24 - Thu, Oct 1
PER
Perth
SEA
Seattle
CA $2,141 Roundtrip, found 14 hours ago
CA $2,141
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Thu, Sep 24 from Perth to Seattle, returning Thu, Oct 1, priced at CA $2,141 found 14 hours ago
Qantas Airways
Thu, Sep 24 - Thu, Oct 1
PER
Perth
SEA
Seattle
CA $2,221 Roundtrip, found 14 hours ago
CA $2,221
Roundtrip
found 14 hours ago
Select Qantas Airways flight, departing Thu, Sep 24 from Perth to Seattle, returning Thu, Oct 1, priced at CA $2,221 found 14 hours ago
Qantas Airways
Thu, Sep 24 - Thu, Oct 1
PER
Perth
SEA
Seattle
CA $2,797 Roundtrip, found 14 hours ago
CA $2,797
Roundtrip
found 14 hours ago
Select Qantas Airways flight, departing Thu, Sep 24 from Perth to Seattle, returning Thu, Oct 1, priced at CA $2,797 found 14 hours ago
Qatar Airways
Sat, Sep 26 - Tue, Sep 29
PER
Perth
SEA
Seattle
CA $2,955 Roundtrip, found 1 day ago
CA $2,955
Roundtrip
found 1 day ago
Select Qatar Airways flight, departing Sat, Sep 26 from Perth to Seattle, returning Tue, Sep 29, priced at CA $2,955 found 1 day ago
Qantas Airways
Thu, Sep 24 - Thu, Oct 1
PER
Perth
SEA
Seattle
CA $3,013 Roundtrip, found 14 hours ago
CA $3,013
Roundtrip
found 14 hours ago
Select Qantas Airways flight, departing Thu, Sep 24 from Perth to Seattle, returning Thu, Oct 1, priced at CA $3,013 found 14 hours ago
Qatar Airways
Sat, Sep 26 - Tue, Sep 29
PER
Perth
SEA
Seattle
CA $3,033 Roundtrip, found 1 day ago
CA $3,033
Roundtrip
found 1 day ago
Select Qatar Airways flight, departing Sat, Sep 26 from Perth to Seattle, returning Tue, Sep 29, priced at CA $3,033 found 1 day ago
Singapore Airlines
Thu, Sep 24 - Thu, Oct 1
PER
Perth
SEA
Seattle
CA $3,352 Roundtrip, found 14 hours ago
CA $3,352
Roundtrip
found 14 hours ago
Select Singapore Airlines flight, departing Thu, Sep 24 from Perth to Seattle, returning Thu, Oct 1, priced at CA $3,352 found 14 hours ago
Cathay Pacific
Sat, Sep 26 - Tue, Sep 29
PER
Perth
SEA
Seattle
CA $3,636 Roundtrip, found 1 day ago
CA $3,636
Roundtrip
found 1 day ago
Select Cathay Pacific flight, departing Sat, Sep 26 from Perth to Seattle, returning Tue, Sep 29, priced at CA $3,636 found 1 day ago

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city centre is 20 minutes. Flights from CA $2,955
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city centre20 min
Flights from CA $2,955

Find the cheapest month to fly from Perth (PER) to Seattle (SEA)

November is typically the cheapest month to fly

From CA $1,517 - CA $3,457 per traveller.

Frequently asked questions

How much does a flight from Perth, WA (PER) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find one-way and return flights from PER to SEA with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when PER to SEA ticket fares go up or down.
What is the cheapest month to fly from Perth, WA (PER) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The cheapest months to fly from PER to SEA are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Perth, WA (PER) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter PER to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Perth, WA (PER) to Seattle, WA (SEA)?
To find a cheap flight from Perth, WA (PER) to Seattle, WA (SEA), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Perth, WA (PER) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Perth, WA (PER) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 35 connecting flights per day from Perth, WA (PER) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Some common connection points include Kingsford Smith Intl. (SYD), Tullamarine (MEL), and Brisbane, QLD (BNE).
What is the earliest flight from Perth, WA (PER) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Perth, WA (PER) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs around 12:10 AM local time. This service is operated by Cathay Pacific and Air Canada. This is a seasonal service, active in June, August, and September. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Perth, WA (PER) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll generally find the most flights from Perth, WA (PER) to Seattle, WA (SEA-Seattle - Tacoma Intl.) on a Thursday, with around 35 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Qantas Airways, Virgin Australia, and Singapore Airlines. Thursdays offer notably more flight options compared to other days of the week, so planning your departure for a Thursday could give you more flexibility.
What are the most popular departure times for flights from Perth, WA (PER) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Perth, WA (PER) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are in the late evening, from 9pm to midnight. Many major carriers, including Virgin Australia, Qantas Airways and Jetstar, offer flights during this window. Many travellers prefer this because it allows you to make the most of your day in Perth before your flight, and you'll arrive in Seattle ready to start your day.
How long does it take to fly from Perth, WA (PER) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are no nonstop flights from Perth, WA (PER) to Seattle, WA (SEA-Seattle - Tacoma Intl.). The distance between these two cities is approximately 14,873 kilometres. For flights with one stop, you can expect the journey to take around 22 hours 30 minutes. If your flight has two or more stops, the travel time will typically be longer, averaging about 24 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and wind patterns.
Can you fly business or first class from Perth, WA (PER) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Yes, you can fly business class or first class between PER and SEA.Airlines that offer business class service on this route include:
  • Philippine Airlines
  • Virgin Australia
  • Cathay Pacific
  • Qatar Airways
  • Air New Zealand
  • Singapore Airlines
  • Emirates
  • Vietnam Airlines
  • Qantas Airways
  • All Nippon Airways
First class cabins are available on Emirates.
How do I earn miles on a Perth, WA (PER) to Seattle, WA (SEA) flight with Expedia?
It's easy to earn miles on a Perth, WA (PER) to Seattle, WA (SEA) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle, WA (SEA) from Perth, WA (PER)?
If you're planning to travel to Seattle from PER, you can fly directly into Seattle - Tacoma Intl. (SEA). Some flights may connect through major hubs like Kingsford Smith Intl. (SYD), Tullamarine (MEL), or Brisbane, QLD (BNE) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Perth, WA (PER) to Seattle, WA (SEA) at the last minute?
Typically, booking a last minute flight from Perth, WA (PER) to Seattle, WA (SEA) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Perth, WA (PER) to Seattle, WA (SEA) flight and hotel package?
Securing a Perth, WA (PER) to Seattle, WA (SEA) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Perth, WA (PER) to Seattle, WA (SEA)?
If you booked your Perth, WA (PER) to Seattle, WA (SEA) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Perth
Destination airport
Seattle - Tacoma Intl.
Roundtrip price
CA $1,992
Distance
14785 km

Book with confidence

Perth to Seattle Flights

The easy way to book your flights from Perth to Seattle 

With Expedia, it’s simple to find and book flights to Seattle from Perth whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Seattle - Tacoma Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Perth to Seattle today, tomorrow, or this week.  

 

Save dollars with cheap flights from Perth, PER to Seattle - Tacoma Intl., SEA 

Sort your search results by price to find great deals on your flight from Perth to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Perth currently is just CA $1,992 rising to CA $3,636.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Seattle  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Seattle from Perth 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today.

Perth to Seattle Flights

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*Available to Expedia members.