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

Return flights

10 Sep - 17 Sep	FrenchBee
15 Sep - 24 Sep	FrenchBee
09 Sep - 16 Sep	Air Transat
02 Sep - 09 Sep	Porter Airlines (Canada) Ltd
30 Sep - 13 Oct	Air Transat
14 Sep - 21 Sep	FrenchBee
03 Sep - 10 Sep	FrenchBee
17 Sep - 24 Sep	Porter Airlines (Canada) Ltd
04 Sep - 11 Sep	Air Transat
16 Sep - 23 Sep	Porter Airlines (Canada) Ltd
22 Sep - 29 Sep	FrenchBee
28 Sep - 13 Oct	Air Transat
25 Sep - 02 Oct	Air Transat
19 Sep - 02 Oct	FrenchBee
29 Sep - 06 Oct	Air Transat
30 Sep - 07 Oct	SWISS
28 Sep - 05 Oct	Air Transat
27 Sep - 04 Oct	Lufthansa
29 Sep - 13 Oct	Lufthansa
24 Sep - 01 Oct	Air France

Also check the deals for one-way flights from Montreal to Budapest in September.

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.

Book a cheap hotel in Budapest

Cheap car rent in Budapest

Cheapest return flights from Montreal to Budapest in September from 524€

Return flights