FFL Helper
Seattle SEA
$176
SLC → SEA · Frontier Airlines
FFL Helper / Salt Lake City / Seattle / September 2026
SLC → SEA · 2026-09
Salt Lake City to Seattle in September 2026
Dated one-way fares from Salt Lake City to Seattle in September 2026. Use the calendar to see which days are cheaper.
Lowest this month
$176
Highest this month
$176
Sample fare
$132
Airports
SLC–SEA
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Other months: August 2026 · September 2026 · Full route
September 2026 price calendar
September 2026
From $176
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$176
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Dated fares
Booking SLC to SEA in September 2026
This page is only September 2026 on the Salt Lake City 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 Salt Lake City to Seattle in September 2026.