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

Return flights

13 Jul - 28 Jul	WestJet
18 Jul - 03 Aug	WestJet
01 Jul - 08 Jul	Air Transat	direct
19 Jul - 01 Aug	TAP
02 Jul - 09 Jul	TAP
03 Jul - 10 Jul	TAP
05 Jul - 02 Aug	TAP
06 Jul - 13 Jul	Air Transat	direct
14 Jul - 21 Jul	Air Transat	direct
21 Jul - 28 Jul	Air Transat	direct
28 Jul - 04 Aug	Air Transat	direct
12 Jul - 19 Jul	TAP
20 Jul - 27 Jul	TAP
05 Jul - 12 Jul	TAP
31 Jul - 23 Aug	TAP
27 Jul - 03 Aug	TAP
30 Jul - 06 Aug	TAP
29 Jul - 05 Aug	TAP
29 Jul - 05 Aug	Air Transat	direct
31 Jul - 07 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 599€

Return flights