Cheapest return flights from Calgary to London in December from $456

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

Return flights

01 Dec - 07 Dec WestJet direct
07 Dec - 14 Jan WestJet direct
28 Dec - 17 Jan WestJet direct
03 Dec - 09 Dec WestJet direct
03 Dec - 10 Dec WestJet direct
01 Dec - 06 Dec WestJet direct
01 Dec - 12 Dec WestJet direct
03 Dec - 17 Dec WestJet direct
07 Dec - 14 Dec WestJet direct
07 Dec - 12 Jan WestJet direct
28 Dec - 11 Jan WestJet direct
31 Dec - 14 Jan WestJet direct
07 Dec - 11 Dec WestJet
07 Dec - 27 Dec WestJet
06 Dec - 13 Dec WestJet direct
11 Dec - 08 Jan WestJet direct
29 Dec - 31 Jan WestJet direct
31 Dec - 13 Jan WestJet
31 Dec - 13 Jan WestJet direct
07 Dec - 07 Jan Air Canada

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

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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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