FFL Helper
Seattle SEA
$118
PHX → SEA · Frontier Airlines
FFL Helper / Phoenix / Seattle / October 2026
PHX → SEA · 2026-10
Phoenix to Seattle in October 2026
Dated one-way fares from Phoenix to Seattle in October 2026. Use the calendar to see which days are cheaper.
Lowest this month
$120
Highest this month
$120
Sample fare
$118
Airports
PHX–SEA
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Other months: August 2026 · September 2026 · October 2026 · Full route
October 2026 price calendar
October 2026
From $120
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2
3
4
5
6
7
8
9
10
11
12
13
14
$120
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Dated fares
Booking PHX to SEA in October 2026
This page is only October 2026 on the Phoenix to Seattle route. Open the full route if you want the next months side by side.
Prices move as seats sell. Confirm the live itinerary before you book Phoenix to Seattle in October 2026.