Cheapest return flights from Knoxville to San Jose in March from $474

AirHint found the following cheapest return flights from Knoxville (TYS) to San Jose (SJO) in March 2026 (see full year).

Return flights

25 Mar - 05 Apr Allegiant Air
26 Mar - 05 Apr Allegiant Air
08 Mar - 14 Mar Allegiant Air
17 Mar - 20 Mar Delta

Also check the deals for one-way flights from Knoxville to San Jose 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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