Cheapest return flights from Ontario to Frankfurt in June from $1126

AirHint found the following cheapest return flights from Ontario (ONT) to Frankfurt (FRA) in June 2026 (see full year).

Return flights

15 Jun - 20 Jun Alaska Airlines
09 Jun - 01 Jul Alaska Airlines
13 Jun - 20 Jun Alaska Airlines
03 Jun - 17 Jun Alaska Airlines
11 Jun - 26 Jun British Airways
11 Jun - 16 Jul Iberia
14 Jun - 20 Jun Alaska Airlines
13 Jun - 21 Jun Alaska Airlines
10 Jun - 24 Jun Iberia
14 Jun - 21 Jun Alaska Airlines
02 Jun - 13 Jul Alaska Airlines
09 Jun - 16 Jul Alaska Airlines
12 Jun - 11 Jul Alaska Airlines
26 Jun - 11 Jul Alaska Airlines
09 Jun - 04 Jul British Airways
26 Jun - 06 Jul Alaska Airlines
18 Jun - 30 Jun Alaska Airlines
02 Jun - 21 Jun British Airways
26 Jun - 10 Jul British Airways

Also check the deals for one-way flights from Ontario to Frankfurt in June.

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