Domestic route
Cheap flights from Seattle to Phoenix
Seattle-Tacoma International Airport (SEA) to Phoenix Sky Harbor International Airport (PHX). 1,107 miles, 2h 35m nonstop.
SEA to PHX at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 1,107 milesgreat-circle
- Typical flight time
- 2h 35mnonstop, gate to gate
- Nonstop airlines
- AADLUAWN6 airlinesAmerican, Delta, United
- Nonstop flights per day
- 28all airlines combined
- Cheapest month
- November 2026over the next six months
- Best day to fly
- Tuesday19% less than Sunday
- Time difference
- Same time zone
Seattle to Phoenix
Round trips from $100
Per traveler, taxes and fees included. Lowest fare we found departs Tue, Nov 3.
Cheapest month: November 2026
See fares on these datesLock any fare free — pay only when you accept your last-minute deal
Or ask an agent on WhatsAppSeattle to Phoenix fares by month
Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.
Airlines flying Seattle to Phoenix
6 airlines fly nonstop with 28 departures a day combined, plus 2 more with one stop.
- ASAlaska AirlinesoneworldNonstop · 7 flights a day · first checked bag from $35
- AAAmerican AirlinesoneworldNonstop · 7 flights a day · first checked bag from $40
- DLDelta Air LinesSkyTeamNonstop · 5 flights a day · first checked bag from $35
- F9Frontier AirlinesLow-costNonstop · 4 flights a day · first checked bag from $55
- WNSouthwest AirlinesLow-costNonstop · 3 flights a day · first checked bag from $35
- UAUnited AirlinesStar AllianceNonstop · 2 flights a day · first checked bag from $40
- B6JetBlueConnecting via LAX · first checked bag from $40
- NKSpirit AirlinesLow-costConnecting via LAS · first checked bag from $55
Connecting options
Hubs where one airline can carry you on both legs, most choices first.
- Los Angeles (LAX)B61 airline
- Las Vegas (LAS)NK1 airline
Tips for this route
- American, Delta, United and Southwest all fly SEA to PHX nonstop, so compare the total with bags before picking the lowest base fare: the difference between a basic and a standard economy ticket is often less than one checked bag each way.
- November 2026 is the cheapest month to fly over the next six months, with round trips from $100; September 2026 is the most expensive at $122 and up, a difference of $22 per traveler.
- Departing on a Tuesday averages 19% less than a Sunday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
- Fares on this route are usually lowest 4 to 8 weeks before departure and rise sharply inside two weeks.
Ready to compare live fares?
See every airline on SEA–PHX side by side with bags and seat rules spelled out.
Search Seattle to PhoenixSeattle to Phoenix: common questions
How long is the flight from Seattle to Phoenix?
A nonstop flight from Seattle (SEA) to Phoenix (PHX) takes about 2h 35m gate to gate, covering 1,107 miles. Connecting itineraries add the layover, typically 1 to 3 hours more in total.
Which airlines fly nonstop from SEA to PHX?
American Airlines, Delta Air Lines, United Airlines, Southwest Airlines, Alaska Airlines and Frontier Airlines operate nonstop flights from Seattle (SEA) to Phoenix (PHX), with 28 nonstop departures a day between them. One-stop options connect through LAX and LAS.
What is the cheapest month to fly from Seattle to Phoenix?
Over the next six months, November 2026 has the lowest round-trip fares from Seattle (SEA) to Phoenix (PHX), starting at $100 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.
How far in advance should I book Seattle to Phoenix flights?
Fares on this route are usually lowest 4 to 8 weeks before departure and rise sharply inside two weeks. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.
What is the time difference between Seattle and Phoenix?
Phoenix is in the same time zone as Seattle, so there is no clock change. SEA is on America/Los Angeles time and PHX on America/Phoenix time. Departure and arrival times in search results are always shown in local time at each airport.
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