FFL Helper
Seattle SEA
$209
CMH → SEA · Southwest Airlines
FFL Helper / Columbus / Seattle / October 2026
CMH → SEA · 2026-10
Columbus to Seattle in October 2026
Dated one-way fares from Columbus to Seattle in October 2026. Use the calendar to see which days are cheaper.
Lowest this month
$209
Highest this month
$209
Sample fare
$206
Airports
CMH–SEA
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Other months: August 2026 · October 2026 · Full route
October 2026 price calendar
October 2026
From $209
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
$209
17
18
19
20
21
22
23
24
25
26
27
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31
Dated fares
Booking CMH to SEA in October 2026
This page is only October 2026 on the Columbus 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 Columbus to Seattle in October 2026.