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CA $126 Cheap Flights from Phoenix (PHX) to Seattle (SEA)

View CA $126 flight on Thu, Aug 6, 2026Opens in a new window

Popular airlines from Sky Harbor International Airport (PHX) to Seattle-Tacoma International Airport (SEA)

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Cheap flights from Phoenix (PHX) to Seattle (SEA)

Prices were available within the past 7 days and start at CA $126 for one-way flights and CA $251 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Aug 11 - Tue, Aug 25
PHX
Phoenix
SEA
Seattle
CA $251 Roundtrip, found 10 hours ago
CA $251
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Tue, Aug 11 from Phoenix to Seattle, returning Tue, Aug 25, priced at CA $251 found 10 hours ago
Delta
Tue, Aug 11 - Tue, Aug 25
PHX
Phoenix
SEA
Seattle
CA $251 Roundtrip, found 10 hours ago
CA $251
Roundtrip
found 10 hours ago
Select Delta flight, departing Tue, Aug 11 from Phoenix to Seattle, returning Tue, Aug 25, priced at CA $251 found 10 hours ago
Delta
Wed, Aug 12 - Sat, Aug 22
PHX
Phoenix
SEA
Seattle
CA $252 Roundtrip, found 6 hours ago
CA $252
Roundtrip
found 6 hours ago
Select Delta flight, departing Wed, Aug 12 from Phoenix to Seattle, returning Sat, Aug 22, priced at CA $252 found 6 hours ago
Delta
Tue, Aug 11 - Tue, Aug 25
PHX
Phoenix
SEA
Seattle
CA $252 Roundtrip, found 10 hours ago
CA $252
Roundtrip
found 10 hours ago
Select Delta flight, departing Tue, Aug 11 from Phoenix to Seattle, returning Tue, Aug 25, priced at CA $252 found 10 hours ago
Alaska Airlines
Sat, Aug 15 - Sat, Aug 22
PHX
Phoenix
SEA
Seattle
CA $255 Roundtrip, found 6 hours ago
CA $255
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Sat, Aug 15 from Phoenix to Seattle, returning Sat, Aug 22, priced at CA $255 found 6 hours ago
American Airlines
Tue, Aug 11 - Tue, Aug 25
PHX
Phoenix
SEA
Seattle
CA $255 Roundtrip, found 10 hours ago
CA $255
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Tue, Aug 11 from Phoenix to Seattle, returning Tue, Aug 25, priced at CA $255 found 10 hours ago
Delta
Fri, Aug 14 - Sat, Aug 22
PHX
Phoenix
SEA
Seattle
CA $265 Roundtrip, found 6 hours ago
CA $265
Roundtrip
found 6 hours ago
Select Delta flight, departing Fri, Aug 14 from Phoenix to Seattle, returning Sat, Aug 22, priced at CA $265 found 6 hours ago
Alaska Airlines
Sat, Oct 3 - Mon, Oct 5
PHX
Phoenix
SEA
Seattle
CA $265 Roundtrip, found 10 hours ago
CA $265
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Sat, Oct 3 from Phoenix to Seattle, returning Mon, Oct 5, priced at CA $265 found 10 hours ago
Alaska Airlines
Sat, Aug 15 - Sat, Aug 22
PHX
Phoenix
SEA
Seattle
CA $267 Roundtrip, found 6 hours ago
CA $267
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Sat, Aug 15 from Phoenix to Seattle, returning Sat, Aug 22, priced at CA $267 found 6 hours ago
United
Sat, Aug 15 - Sat, Aug 22
PHX
Phoenix
SEA
Seattle
CA $433 Roundtrip, found 6 hours ago
CA $433
Roundtrip
found 6 hours ago
Select United flight, departing Sat, Aug 15 from Phoenix to Seattle, returning Sat, Aug 22, priced at CA $433 found 6 hours ago

Frequently asked questions

How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find cheap one-way flights from CA $126 and cheap return flights from CA $251 PHX to SEA with Expedia. One-way flights typically cost between CA$200 and CA$1,101, and return flights often range between CA$531 and CA$1,640. 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 the cheapest fares first, and use the Price Tracking tool to receive alerts when PHX to SEA ticket fares go up or down.
What is the cheapest month to fly from Phoenix, AZ (PHX) to Seattle, WA (SEA)?
The cheapest months to fly from Phoenix, AZ (PHX) to Seattle, WA (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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are 6 airlines offering direct flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Here are some of the top carriers:
  • Delta operates 41 direct flights from PHX to SEA every week.
  • American Airlines operates 38 direct flights from PHX to SEA every week.
  • Southwest Airlines operates 23 direct flights from PHX to SEA every week.
  • Qatar Airways operates 21 direct flights from PHX to SEA every week.
  • Starlux Airlines operates 21 direct flights from PHX to SEA every week.
How do I find cheap flights from Phoenix, AZ (PHX) to Seattle, WA (SEA)?
To find a cheap flight from Phoenix, AZ (PHX) 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 airline to fly with from Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best airline to fly with from Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will differ from traveler to traveler. If you like to fly early, Alaska Airlines offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. Southwest Airlines offers the most daily flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The cheapest months to fly from Phoenix Sky Harbor International Airport (PHX) to Seattle-Tacoma International Airport (SEA) are typically January and September, with average return flights around CA$286. The most popular months for this route, offering plenty of flight options, are May and October. While there isn't a single month that is both the cheapest and most popular, if you're looking for the best value, aiming for January or September could save you money, while May and October will give you the most flexibility with flight times.
How many flights per day from Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll find approximately 15 nonstop flights per day from Phoenix Sky Harbor International Airport (PHX) to Seattle-Tacoma International Airport (SEA). For even more choices, look at flights that include layovers, as there are around 191 connecting flights per day. Some common connection points include San Diego International (SAN), Harry Reid International Airport (LAS), and Los Angeles International (LAX).
What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Phoenix Sky Harbor International Airport (PHX) to Seattle - Tacoma International Airport (SEA) typically departs around 12:10 AM local time. This flight is operated by American Airlines. This is a seasonal service, active only in December. 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll typically find the most flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) on a Friday, with around 138 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, Alaska Airlines, and American Airlines. Fridays offer notably more flight options compared to other days of the week, making it a good day to consider if you need flexibility.
What are the most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are in the morning, between 6am and 9am. Many major carriers, including Alaska Airlines, Delta and United, offer flights during this window. Many travellers prefer these early morning flights as they allow you to arrive in Seattle with plenty of time to start your day.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Flying from Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) covers a distance of approximately 1781 kilometres. A nonstop flight typically takes around 3 hours 18 minutes. If you opt for a flight with one stop, your travel time will generally be longer, averaging about 8 hours 48 minutes. Flights with two or more stops usually take even longer, around 11 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic.
Can you fly business or first class from Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Yes, you can fly business class or first class between PHX and SEA. Airlines that offer business class service on this route include:
  • Frontier Airlines
  • Alaska Airlines
  • Delta
  • American Airlines
First class cabins are available on Alaska Airlines, United, Delta, Hawaiian Airlines, and American Airlines.
How much is a business class flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
A direct, return business class ticket from Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically costs between CA$1,620 - CA$1,987. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) if you opt for a connecting flight.
How do I earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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 Phoenix, AZ (PHX)?
If you're planning to travel to Seattle from Sky Harbor Intl. (PHX), you can fly directly into Seattle - Tacoma Intl. (SEA). Some flights may connect through major hubs like Los Angeles Intl. (LAX), San Diego Intl. (SAN), or John Wayne (SNA) 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Phoenix, AZ (PHX-Sky Harbor Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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 Phoenix, AZ (PHX) to Seattle, WA (SEA)?
If you booked your Phoenix, AZ (PHX) 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
Sky Harbor Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
CA $250
Distance
1770 km
Average flight time
3 hours 1 min

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Phoenix to Seattle Flights

The easy way to book your flights from Phoenix to Seattle 

With Expedia, it’s simple to find and book flights to Seattle from Phoenix 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 Phoenix to Seattle today, tomorrow, or this week.  

 

Save dollars with cheap flights from Sky Harbor Intl., PHX to Seattle - Tacoma Intl., SEA 

Sort your search results by price to find great deals on your flight from Phoenix to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Phoenix currently is just CA $251 rising to CA $433.  

Here are more money-saving tips: 

  • Fly in August 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 Phoenix 

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.

Phoenix to Seattle Flights

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