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

Return flights

07 May - 14 May	KLM
13 May - 20 May	SWISS
11 May - 18 May	Air Canada
18 May - 25 May	Air Canada
20 May - 27 May	SWISS
01 May - 16 May	KLM
14 May - 21 May	Air Canada
21 May - 28 May	SWISS
05 May - 12 May	KLM
12 May - 19 May	Air Canada
29 May - 05 Jun	FrenchBee
25 May - 01 Jun	FrenchBee
30 May - 06 Jun	Air Transat
27 May - 03 Jun	Air Transat
26 May - 02 Jun	Air Transat
08 May - 19 Jun	FrenchBee
22 May - 04 Jun	Air Transat
23 May - 04 Jun	Air Transat
21 May - 04 Jun	SWISS
28 May - 04 Jun	SWISS

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.

Book a cheap hotel in Bucharest

Cheap car rent in Bucharest

Cheapest return flights from Montreal to Bucharest in May from 531€

Return flights