Cheapest one-way flights from Montreal (YUL) to London (LTN), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
29 Sep Air Transat
15 Sep Air Transat
22 Sep Air Transat
30 Sep Air Transat
25 Sep Air Transat
09 Sep Air Transat
18 Sep Air Transat
17 Sep Air Transat
16 Sep WestJet
23 Sep WestJet
Powered by

deals for return flights from Montreal to London in September.

Book a cheap hotel in London

Cheap car rent in Luton

Updated Jul 25, 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.

Feel free to contact us with any feedback or request another flight research.