Cheapest return flights from Calgary to London in September from $658

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

23 Sep - 15 Oct Lufthansa
23 Sep - 14 Oct Lufthansa
21 Sep - 14 Oct Lufthansa
23 Sep - 15 Oct Air Canada direct
22 Sep - 08 Oct WestJet direct
29 Sep - 10 Oct WestJet direct
28 Sep - 12 Oct WestJet direct
26 Sep - 08 Oct WestJet direct
02 Sep - 08 Sep Lufthansa
11 Sep - 24 Sep Air Canada
11 Sep - 16 Sep Lufthansa
08 Sep - 28 Sep Lufthansa
23 Sep - 13 Oct Air Canada direct
27 Sep - 05 Oct Air Canada
23 Sep - 30 Sep Air Canada
15 Sep - 23 Sep Air Canada
11 Sep - 24 Sep Air Canada direct
22 Sep - 30 Sep Air Canada
21 Sep - 28 Sep Air Canada direct
10 Sep - 21 Sep Lufthansa 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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