Cheapest return flights from Calgary to London in December from 568€

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

Return flights

29 Dec - 21 Jan Air Canada
28 Dec - 12 Jan WestJet direct
31 Dec - 11 Jan Air Canada direct
31 Dec - 07 Jan Air Canada
31 Dec - 07 Jan Air Canada direct
30 Dec - 08 Jan Lufthansa
29 Dec - 21 Jan WestJet direct
30 Dec - 06 Jan Air Canada
31 Dec - 06 Jan Air Canada
31 Dec - 06 Jan Air Canada direct

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

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