AirHint found the following cheapest return flights from Montreal (YUL) to Frankfurt (FRA) in August 2025 (see full year).

Return flights

11 Aug - 20 Sep	WestJet
25 Aug - 01 Sep	WestJet
23 Aug - 30 Aug	WestJet
27 Aug - 03 Sep	WestJet
31 Aug - 07 Sep	FrenchBee
20 Aug - 03 Sep	Air Transat
26 Aug - 02 Sep	Air Transat
25 Aug - 31 Aug	WestJet
24 Aug - 31 Aug	WestJet
31 Aug - 15 Sep	Condor
28 Aug - 04 Sep	Porter Airlines (Canada) Ltd
13 Aug - 20 Aug	WestJet
21 Aug - 28 Aug	Air Transat
08 Aug - 15 Aug	WestJet
30 Aug - 06 Sep	Porter Airlines (Canada) Ltd
29 Aug - 05 Sep	Porter Airlines (Canada) Ltd
20 Aug - 27 Aug	WestJet
11 Aug - 18 Aug	Porter Airlines (Canada) Ltd
10 Aug - 28 Aug	Air Transat
19 Aug - 26 Aug	WestJet

Also check the deals for one-way flights from Montreal to Frankfurt in August.

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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Cheapest return flights from Montreal to Frankfurt in August from 597€

Return flights