Flights Phoenix → Seattle

One way · Economy · 1 adult · price per person · next 14 days from September 10, 2026

Last observed price on Aviasales for 3 of 15 dates; the lowest is $130. Prices are not guaranteed and are confirmed at booking time.

Last observed price by date

Date	Last observed price	Flight	Departure	Arrival	Stops
Thu, Sep 10	—	—	—	—	—
Fri, Sep 11	—	—	—	—	—
Sat, Sep 12	—	—	—	—	—
Sun, Sep 13	—	—	—	—	—
Mon, Sep 14	$146	Frontier Airlines F91376 (1st of 2 flights)	6:25 AM Sky Harbor (PHX)	3:08 PM Sea-Tac (SEA)	1 stop · Denver International
Tue, Sep 15	—	—	—	—	—
Wed, Sep 16	—	—	—	—	—
Thu, Sep 17	—	—	—	—	—
Fri, Sep 18	—	—	—	—	—
Sat, Sep 19	$130lowest	Frontier Airlines F94768 (1st of 2 flights)	9:15 AM Sky Harbor (PHX)	3:08 PM Sea-Tac (SEA)	1 stop · Denver International
Sun, Sep 20	$136	Frontier Airlines F92133 (1st of 2 flights)	4:18 PM Sky Harbor (PHX)	6:36 PM (+1) Sea-Tac (SEA)	1 stop · Los Angeles International
Mon, Sep 21	—	—	—	—	—
Tue, Sep 22	—	—	—	—	—
Wed, Sep 23	—	—	—	—	—
Thu, Sep 24	—	—	—	—	—

Price not guaranteed: it is confirmed on Aviasales at booking time. How it works

Phoenix, United States (PHX, city code)

Phoenix Sky Harbor (PHX), Phoenix-Mesa Gateway (AZA).

Seattle, United States (SEA, city code)

Seattle-Tacoma (SEA).

FromToDeparture date