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

Return flights

05 May - 12 May	easyJet
13 May - 22 May	easyJet
07 May - 14 May	easyJet
19 May - 26 May	easyJet
11 May - 17 May	easyJet
20 May - 08 Jun	easyJet
01 May - 05 May	Wizz Air UK
20 May - 27 May	easyJet
20 May - 28 May	easyJet
04 May - 11 May	easyJet
28 May - 05 Jun	Wizz Air UK
01 May - 04 May	Wizz Air UK
29 May - 05 Jun	easyJet
22 May - 02 Jun	easyJet
21 May - 01 Jun	easyJet
22 May - 01 Jun	easyJet
23 May - 06 Jun	easyJet
31 May - 05 Jun	easyJet
29 May - 01 Jun	easyJet

Also check the deals for one-way flights from London to Montreal 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 London to Montreal in May from $551

Return flights