Cheapest return flights from Calgary to London in September from $851

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

Return flights

24 Sep - 10 Oct Lufthansa
24 Sep - 10 Oct Air Canada direct
28 Sep - 01 Oct WestJet direct
24 Sep - 01 Oct WestJet direct
26 Sep - 07 Oct WestJet direct
13 Sep - 27 Sep WestJet direct
11 Sep - 23 Sep TAP
01 Sep - 11 Sep Air Canada direct

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

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