Cheapest return flights from Knoxville to Key West in March from $294

AirHint found the following cheapest return flights from Knoxville (TYS) to Key West (EYW) in March 2026 (see full year).

Return flights

08 Mar - 12 Mar Allegiant Air
09 Mar - 13 Mar Allegiant Air
09 Mar - 13 Mar Allegiant Air direct

Also check the deals for one-way flights from Knoxville to Key West in March.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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