Cheapest return flights from Montreal to London in May from $479

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

Return flights

04 May - 20 May TAP
13 May - 20 May TAP
04 May - 13 May TAP
06 May - 13 May TAP
11 May - 18 May TAP
04 May - 11 May TAP
04 May - 18 May TAP
10 May - 17 May TAP
13 May - 31 May TAP
24 May - 31 May TAP
20 May - 11 Jun TAP
25 May - 01 Jun TAP
27 May - 03 Jun TAP
18 May - 01 Jun TAP
25 May - 08 Jun TAP
20 May - 03 Jun TAP
22 May - 05 Jun TAP
27 May - 06 Jun TAP
23 May - 06 Jun Air Canada direct
20 May - 03 Jun Lufthansa direct

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

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