Cheapest one-way flights from Calgary to London in September from $404

AirHint found the following cheapest one-way flights from Calgary (YYC) to London (LHR) in September 2026 (see full year).

One-Way flights

28 Sep WestJet direct
21 Sep Air Transat
22 Sep Air Transat
15 Sep WestJet
05 Sep Porter Airlines (Canada) Ltd
30 Sep WestJet direct
20 Sep Air Transat
26 Sep WestJet
04 Sep WestJet
09 Sep WestJet direct

Also check the deals for return flights from Calgary to London in September.

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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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