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

Return flights

26 Aug - 02 Sep	FrenchBee
27 Aug - 03 Sep	Air Transat
31 Aug - 07 Sep	Air Transat
28 Aug - 04 Sep	FrenchBee
26 Aug - 31 Aug	FrenchBee
29 Aug - 05 Sep	FrenchBee
20 Aug - 27 Aug	Air Transat
30 Aug - 06 Sep	FrenchBee
25 Aug - 01 Sep	Air France
19 Aug - 26 Aug	Porter Airlines (Canada) Ltd
13 Aug - 26 Aug	Porter Airlines (Canada) Ltd
24 Aug - 31 Aug	FrenchBee
13 Aug - 20 Aug	Porter Airlines (Canada) Ltd
21 Aug - 28 Aug	Air Transat
08 Aug - 15 Aug	Porter Airlines (Canada) Ltd
12 Aug - 22 Aug	Air France
22 Aug - 29 Aug	Air France

Also check the deals for one-way flights from Montreal to Budapest 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 Budapest in August from 598€

Return flights