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

Return flights

04 May - 11 May	Air Canada
18 May - 25 May	Air Canada
20 May - 27 May	SWISS
13 May - 20 May	SWISS
19 May - 26 May	Air Canada
21 May - 28 May	SWISS
08 May - 15 May	British Airways
14 May - 21 May	British Airways
07 May - 14 May	British Airways
09 May - 16 May	British Airways
26 May - 02 Jun	SWISS
28 May - 04 Jun	SWISS
27 May - 03 Jun	Air Canada
25 May - 01 Jun	Air Canada
22 May - 03 Jun	Air France
31 May - 07 Jun	FrenchBee
29 May - 05 Jun	British Airways

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 $650

Return flights