FFL Helper
San Francisco SFO
$125
DTW → SFO · Frontier Airlines
FFL Helper / DTW (Detroit) / San Francisco / September 2026
DTW → SFO · 2026-09
DTW (Detroit) to San Francisco in September 2026
Dated one-way fares from DTW (Detroit) to San Francisco in September 2026. Use the calendar to see which days are cheaper.
Lowest this month
$125
Highest this month
$125
Sample fare
$125
Airports
DTW–SFO
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Other months: September 2026 · October 2026 · Full route
September 2026 price calendar
September 2026
From $125
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$125
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Dated fares
Booking DTW to SFO in September 2026
This page is only September 2026 on the DTW (Detroit) to San Francisco 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 DTW (Detroit) to San Francisco in September 2026.