FFL Helper
Cleveland CLE
$89
DEN → CLE · Frontier Airlines
FFL Helper / Denver / Cleveland / September 2026
DEN → CLE · 2026-09
Denver to Cleveland in September 2026
Dated one-way fares from Denver to Cleveland in September 2026. Use the calendar to see which days are cheaper.
Lowest this month
$89
Highest this month
$89
Sample fare
$89
Airports
DEN–CLE
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Other months: September 2026 · Full route
September 2026 price calendar
September 2026
From $89
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$89
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Dated fares
Booking DEN to CLE in September 2026
This page is only September 2026 on the Denver to Cleveland 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 Denver to Cleveland in September 2026.