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

Return flights

10 Jun - 19 Jun	Air Transat
08 Jun - 15 Jun	Air Transat
10 Jun - 17 Jun	Air Transat
14 Jun - 21 Jun	Air Transat
03 Jun - 10 Jun	Air Transat
02 Jun - 09 Jun	Air Transat
09 Jun - 16 Jun	Air Transat
02 Jun - 16 Jun	Air Transat
01 Jun - 08 Jun	Air Transat
11 Jun - 18 Jun	Air Transat
30 Jun - 07 Jul	Air Transat	direct
28 Jun - 05 Jul	TAP
29 Jun - 06 Jul	TAP
24 Jun - 01 Jul	TAP
25 Jun - 02 Jul	TAP
26 Jun - 03 Jul	TAP
30 Jun - 13 Jul	Air Transat	direct
29 Jun - 06 Jul	Air Transat	direct
23 Jun - 08 Jul	Air Transat	direct
22 Jun - 18 Jul	TAP

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

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 Montreal to London in June from 575€

Return flights