New York to Seattle
JFK to SEA
As of 2026-11-11
Cheap Flights from Phoenix (PHX) to Seattle (SEA)
- About 1,107 miles
- About 2.7 hours
- Best months: Jul, Aug, Sep
Looking for cheap flights to Seattle from Phoenix? Watch Jul, Aug and Sep for the best odds of a lower fare. The trip from PHX to SEA runs about 2.7 hours, and you can see Chihuly Garden and Glass and Discovery Park once you arrive.
Tips for finding a lower fare
- Holiday weekends push fares up. If you can, travel outside them and stay flexible by a few days.
- Sign up for airline fare emails from Alaska; flash sales on Phoenix departures pop up often.
- Allow extra time at PHX during peak travel hours.
Airlines on this route
Alaska, Delta, Southwest
Things to see in Seattle
- Chihuly Garden and Glass
- Discovery Park
Frequently asked questions
When is the cheapest time to fly from Phoenix to Seattle?
Fares on PHX to SEA are often lower in Jul, Aug and Sep. Prices move with demand, so compare a few dates on the partner site before you decide.
How long is the flight from PHX to SEA?
A nonstop flight takes about 2.7 hours. Itineraries with a connection take longer, depending on the layover.
Which airlines fly from Phoenix to Seattle?
Carriers we commonly see on this route include Alaska, Delta and Southwest. Schedules and availability change, so check current options when you search.
How far ahead should I book PHX to SEA?
For most domestic trips, booking about 1 to 3 months ahead gives a good balance of price and choice. Holiday travel is better booked earlier.
Is the price I see here the final price?
No. Fares shown on this page are indicative and change often. The final price, taxes and fees are shown on the partner site at booking.
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