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

Return flights

01 Jul - 09 Jul	TAP
02 Jul - 09 Jul	TAP
15 Jul - 22 Jul	TAP
01 Jul - 08 Jul	TAP
05 Jul - 12 Jul	TAP
09 Jul - 16 Jul	TAP
24 Jul - 23 Aug	TAP
31 Jul - 12 Aug	TAP
08 Jul - 19 Jul	TAP
08 Jul - 15 Jul	TAP
13 Jul - 20 Jul	TAP
30 Jul - 06 Aug	TAP
24 Jul - 09 Aug	TAP
08 Jul - 18 Jul	TAP
29 Jul - 05 Aug	TAP
14 Jul - 10 Aug	Air Canada
28 Jul - 04 Aug	Lufthansa	direct
28 Jul - 04 Aug	Air Canada
27 Jul - 03 Aug	Air Canada
16 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 660€

Return flights