Cheapest return flights from Knoxville to Zagreb in April from $532

AirHint found the following cheapest return flights from Knoxville (TYS) to Zagreb (ZAG) in April 2026 (see full year).

Return flights

14 Apr - 22 Apr Lufthansa
14 Apr - 03 May British Airways
01 Apr - 22 Apr Lufthansa

Also check the deals for one-way flights from Knoxville to Zagreb in April.

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