Cheapest return flights from Ontario to Frankfurt in October from $709

AirHint found the following cheapest return flights from Ontario (ONT) to Frankfurt (FRA) in October 2025 (see full year).

Return flights

29 Oct - 12 Nov British Airways
18 Oct - 09 Nov Iberia
29 Oct - 05 Nov United
21 Oct - 27 Oct British Airways
08 Oct - 15 Oct United
11 Oct - 18 Oct United
14 Oct - 21 Oct United
17 Oct - 24 Oct United
02 Oct - 09 Oct United
26 Oct - 02 Nov United
01 Oct - 09 Oct Iberia
25 Oct - 08 Nov British Airways
15 Oct - 24 Oct British Airways
05 Oct - 12 Oct United
12 Oct - 24 Oct British Airways
22 Oct - 05 Nov China Airlines

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

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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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