FFL Helper
Nashville BNA
$215
SEA → BNA · Frontier Airlines
FFL Helper / Seattle / Nashville / September 2026
SEA → BNA · 2026-09
Seattle to Nashville in September 2026
Dated one-way fares from Seattle to Nashville in September 2026. Use the calendar to see which days are cheaper.
Lowest this month
$215
Highest this month
$215
Sample fare
$153
Airports
SEA–BNA
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Other months: August 2026 · September 2026 · Full route
September 2026 price calendar
September 2026
From $215
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$215
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Dated fares
Booking SEA to BNA in September 2026
This page is only September 2026 on the Seattle to Nashville 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 Seattle to Nashville in September 2026.