Cheapest return YUL–OTP flights, September

AirHint found the following cheapest return flights from Montreal (YUL) to Bucharest (OTP) in September 2026 (see full year).

Return flights

10 Sep - 17 Sep Air Transat
30 Sep - 07 Oct Air Transat
29 Sep - 06 Oct Air Transat
14 Sep - 21 Sep Air Transat
06 Sep - 20 Sep Air Transat
06 Sep - 13 Sep FrenchBee
13 Sep - 20 Sep FrenchBee
09 Sep - 16 Sep FrenchBee
18 Sep - 25 Sep Air Transat
02 Sep - 09 Sep FrenchBee
07 Sep - 14 Sep Air Transat
19 Sep - 26 Sep Air Transat
24 Sep - 01 Oct Air Transat
28 Sep - 05 Oct Air Transat
09 Sep - 12 Oct FrenchBee
25 Sep - 02 Oct FrenchBee
27 Sep - 04 Oct FrenchBee

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

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