Cheapest one-way flights from Ontario to Frankfurt in September from $378

AirHint found the following cheapest one-way flights from Ontario (ONT) to Frankfurt (FRA) in September 2025 (see full year).

One-Way flights

09 Sep Frontier Airlines
02 Sep Frontier Airlines
11 Sep Frontier Airlines
16 Sep Frontier Airlines
01 Sep Iberia
06 Sep British Airways
08 Sep British Airways
03 Sep British Airways
05 Sep British Airways
10 Sep Iberia

Also check the deals for return flights from Ontario to Frankfurt in September.

Skyscanner

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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