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

Return flights

03 Jul - 10 Jul	TAP
01 Jul - 08 Jul	Air Transat
02 Jul - 09 Jul	TAP
06 Jul - 13 Jul	Air Transat
19 Jul - 12 Aug	TAP
07 Jul - 14 Jul	Air Transat
12 Jul - 19 Jul	TAP
13 Jul - 20 Jul	TAP
05 Jul - 19 Jul	TAP
03 Jul - 18 Jul	TAP
01 Jul - 23 Jul	TAP
30 Jul - 06 Aug	TAP
28 Jul - 04 Aug	Air Transat	direct
29 Jul - 05 Aug	TAP
11 Jul - 11 Aug	Air Transat	direct
25 Jul - 09 Aug	WestJet
29 Jul - 05 Aug	Air Transat	direct
17 Jul - 10 Aug	TAP
31 Jul - 16 Aug	TAP
24 Jul - 16 Aug	TAP

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

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 July from 652€

Return flights