Cheapest return flights from Calgary to London in December from $677

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 December 2025 (see full year).

Return flights

01 Dec - 08 Dec WestJet direct
10 Dec - 26 Dec Lufthansa
01 Dec - 31 Dec Lufthansa
10 Dec - 26 Dec WestJet direct
26 Dec - 07 Jan Air Canada
26 Dec - 07 Jan Lufthansa direct
24 Dec - 07 Jan Air Canada
19 Dec - 28 Dec Air Canada
01 Dec - 31 Dec WestJet direct
21 Dec - 28 Dec Air Canada direct
20 Dec - 27 Dec Air Canada direct
19 Dec - 03 Jan Air Canada direct
24 Dec - 07 Jan WestJet direct
20 Dec - 02 Jan Air Canada direct
20 Dec - 03 Jan Air Canada direct
20 Dec - 05 Jan Lufthansa
20 Dec - 05 Jan Air Canada direct
20 Dec - 04 Jan Air Canada direct
21 Dec - 30 Dec WestJet direct
18 Dec - 28 Dec WestJet direct

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

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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