Cheapest return flights from Montreal (YUL) to London (LGW), October

20 dates in October, from $ 578. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
15 Oct 18 Nov Air Transat
19 Oct 31 Oct Air Transat
17 Oct 14 Nov Air Transat
24 Oct 8 Nov Air Transat
27 Oct 6 Nov Air Transat
21 Oct 9 Nov Air Transat
24 Oct 31 Oct Air Transat
27 Oct 31 Oct Air Transat
26 Oct 23 Nov Air Transat
18 Oct 8 Nov Air Transat
25 Oct 8 Nov Air Transat
20 Oct 27 Oct Air France
27 Oct 3 Nov Air Transat
18 Oct 30 Oct Air Transat
23 Oct 2 Nov TAP
26 Oct 30 Oct Air Transat
25 Oct 30 Oct Air Transat
27 Oct 30 Oct Air Transat
23 Oct 30 Oct Air Transat
19 Oct 27 Oct KLM
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Deals for one-way flights from Montreal to London in October.

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Updated Oct 13, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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