Cheapest return flights from Calgary to London in September from 734€

Best time to book flights for Calgary (YYC) to London (LHR) flights at AirHint

AirHint found the following cheapest return flights from Calgary (YYC) to London (LHR) in September 2025 (see full year).

Return flights

18 Sep - 05 Oct Air Canada
01 Sep - 01 Oct Air Canada direct
18 Sep - 05 Oct Air Canada direct
10 Sep - 15 Oct Air Canada direct
15 Sep - 20 Oct Air Canada direct
10 Sep - 16 Sep WestJet
04 Sep - 07 Sep WestJet
01 Sep - 08 Sep Air Canada
10 Sep - 16 Sep WestJet direct
01 Sep - 08 Sep Air Canada direct
04 Sep - 07 Sep WestJet direct

Also check the deals for one-way flights from Calgary to London in September.

Skyscanner

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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