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

Return flights

06 May - 13 May	Air France
04 May - 11 May	Air France
12 May - 26 May	Air France
12 May - 19 May	Air France
20 May - 27 May	Air France
11 May - 18 May	Air France
04 May - 18 May	Air Canada
13 May - 26 May	SWISS
13 May - 20 May	SWISS
18 May - 25 May	Air Canada
29 May - 05 Jun	FrenchBee
28 May - 04 Jun	Air Transat
27 May - 03 Jun	Air Transat
25 May - 01 Jun	TAP
26 May - 02 Jun	Air Transat
10 May - 11 Jun	FrenchBee
30 May - 06 Jun	Air Transat
26 May - 14 Jun	WestJet
31 May - 07 Jun	FrenchBee
22 May - 21 Jun	FrenchBee

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

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 Bucharest in May from 466€

Return flights