Seattle to Phoenix flights
The cheapest round trip we found from Seattle to Phoenix is $200 (Jan 29 – Feb 2, 2027, 1 stop).
SEA to PHX · Round trip · Economy · Prices per person in USD · Price found (3 days ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $322 |
| December 2026 | No fares found yet |
| January 2027 | $200 (cheapest month) |
Cheapest dates in the next 4 months
Round trip, per person-
Jan 29 – Feb 2, 2027 4 nights · leave Fri$200$200 Book
Frontier Airlines 1 stop · 4h 05m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in Phoenix
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Plan the rest of your trip
Phoenix · Jan 29 – Feb 2, 2027Partner links: we may earn a commission if you book, at no extra cost to you.
More from Seattle
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- Ontario $175 −20%
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Flights to Phoenix from other cities
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- Ontario $114 −56%
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Seattle to Phoenix: questions
How much does a flight from Seattle to Phoenix cost?
The cheapest round trip we have found right now is $200, leaving January 29 and returning February 2. Prices are per person, economy, in USD.
Which airports do Seattle to Phoenix flights use?
Seattle airports include Seattle-Tacoma International (SEA) and Boeing Field International (BFI). Phoenix airports include Phoenix Sky Harbor International (PHX), Phoenix-Mesa Gateway (AZA) and Scottsdale (SCF). The prices on this page cover every airport in both cities (SEA and PHX are the city codes).
About this route
We track round-trip economy fares from Seattle (United States) to Phoenix (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $200, departing January 29 and returning February 2. The cheapest month to fly in our data is January, from $200. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.