Cheapest return flights from Montreal to London in May from 535€

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

Return flights

07 May - 14 May Finnair direct
03 May - 13 May Air Canada
04 May - 13 May Air Canada
03 May - 13 May Lufthansa direct
04 May - 13 May Lufthansa direct
05 May - 12 May Air Canada
06 May - 13 May Air Canada
01 May - 08 May Lufthansa direct
02 May - 09 May Air Canada direct
04 May - 11 May Lufthansa direct
27 May - 03 Jun TAP
31 May - 07 Jun TAP
25 May - 01 Jun TAP
26 May - 02 Jun Finnair direct
27 May - 03 Jun Finnair direct
28 May - 04 Jun Finnair direct
30 May - 06 Jun Finnair direct
31 May - 07 Jun Finnair direct
29 May - 05 Jun British Airways direct
25 May - 01 Jun British Airways direct

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

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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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