Cheapest return flights from Knoxville to London in May from $761

AirHint found the following cheapest return flights from Knoxville (TYS) to London (LHR) in May 2026 (see full year).

Return flights

06 May - 18 May Delta
05 May - 26 May Air Canada
18 May - 13 Jun British Airways

Also check the deals for one-way flights from Knoxville to London in May.

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