Cheapest return flights from Calgary to London in September from $859

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

Return flights

25 Sep - 09 Oct Air Canada
21 Sep - 05 Oct Lufthansa
09 Sep - 16 Sep WestJet direct
25 Sep - 09 Oct WestJet direct
21 Sep - 05 Oct WestJet direct
16 Sep - 25 Sep Air Canada direct
11 Sep - 26 Sep Lufthansa
07 Sep - 28 Sep Air Canada
09 Sep - 22 Sep Air Canada
04 Sep - 13 Sep WestJet
09 Sep - 20 Sep Air Canada
05 Sep - 15 Sep Air Canada
07 Sep - 18 Sep Lufthansa direct
05 Sep - 13 Sep Air Canada
25 Sep - 10 Oct WestJet

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

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