PHX to SEA: Book Your Desert-to-Pacific Northwest Escape
Cheapest flight found
$99
Last updated Mar 13, 2026
Prices by Month
Price History
Tracking the May 7, 2026 departure — the cheapest date we found.
Price Behavior: PHX → SEA
Based on 6 months of fare data collected by Trip Manta.
Lowest Fare
$99
Highest Fare
$219
Median Fare
$174
Price Spread
$120
Prices vary significantly — hourly tracking is especially valuable here.
Cheapest month to fly: May 2026 (from $99)
Most expensive month: July 2026 (from $219)
Biggest price drop caught: $105 between consecutive checks
Most frequent cheapest airline: Frontier
What This Means for You
Flights from Phoenix to Seattle range from $99 to $219, a $120 spread across the months we track. If your dates are flexible, May 2026 tends to have the lowest fares. Because prices on this route change significantly, setting up hourly price alerts gives you the best chance of catching a short-lived drop before it corrects. We have caught drops as large as $105 between hourly checks on this route.
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From
Phoenix (PHX)
To
Seattle (SEA)
Airport Information
Phoenix (PHX)
Phoenix Sky Harbor International Airport (PHX) serves as a primary hub for American Airlines and a major base for Southwest Airlines, making it one of the busiest and most efficient airports in the United States. Located just minutes from downtown Phoenix, the airport features modern amenities, including the PHX Sky Train for easy terminal transfers and a variety of local dining options like Blanco Tacos + Tequila. Its unique layout and high-capacity runways ensure that even during peak travel seasons, the airport maintains a reputation for on-time departures and world-class service.
Seattle (SEA)
Seattle-Tacoma International Airport (SEA), commonly referred to as Sea-Tac, is the primary international gateway for the Pacific Northwest and a massive hub for Alaska Airlines. The airport has undergone significant recent renovations, including the stunning International Arrivals Facility and an expanded North Satellite terminal featuring incredible views of Mount Rainier on clear days. Travelers will find an impressive array of Pacific Northwest-inspired retail and dining, alongside excellent public transit links like the Link Light Rail, which provides a direct connection to the city's sports stadiums and central business district.
Frequently Asked Questions
How long is the flight from PHX to SEA?
The average non-stop flight duration is approximately 3 hours and 5 minutes, covering a flight distance of about 1,107 miles.
Which airlines fly non-stop from Phoenix to Seattle?
Major carriers including Alaska Airlines, Delta Air Lines, American Airlines, and Southwest Airlines all offer regular non-stop service between these two cities.
Is there a time difference between Phoenix and Seattle?
Arizona does not observe Daylight Saving Time; therefore, Phoenix and Seattle are in the same time zone during the summer, but Phoenix is one hour ahead of Seattle during the winter months.
What is the best way to get from SEA airport to downtown Seattle?
The Sound Transit Link Light Rail is the most cost-effective method, though taxis and rideshares like Uber and Lyft are readily available at the airport's dedicated ground transportation center.
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Our Methodology
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