Cheapest return flights from Montreal to London in May from $546

Best time to book flights for Montreal (YUL) to London (LHR) flights at AirHint

AirHint found the following cheapest return flights from Montreal (YUL) to London (LHR) in May 2025 (see full year).

Return flights

27 May - 23 Jun Air Canada direct
26 May - 05 Jun Air Canada direct
26 May - 04 Jun Air Canada direct
07 May - 13 May Air Canada direct
19 May - 30 May Lufthansa direct
03 May - 10 May Lufthansa direct
19 May - 28 May Air Canada direct
17 May - 27 May Air Canada direct
08 May - 13 May Air Canada direct
12 May - 29 May Air Canada direct
08 May - 14 May Air Canada direct
20 May - 27 May Air Canada direct
10 May - 21 May Air Canada direct
20 May - 03 Jun Air Canada direct
19 May - 02 Jun Air Canada direct
28 May - 04 Jun Air Canada direct
27 May - 03 Jun Air Canada direct
26 May - 03 Jun Air Canada direct
14 May - 04 Jun Air Canada direct
27 May - 10 Jun Air Canada 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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