Cheapest return flights from Calgary to London in December from $475

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

Return flights

28 Dec - 13 Jan WestJet direct
28 Dec - 12 Jan WestJet direct
26 Dec - 09 Jan WestJet direct
23 Dec - 09 Jan WestJet direct
23 Dec - 10 Jan WestJet direct
23 Dec - 11 Jan WestJet direct
23 Dec - 30 Jan WestJet direct
29 Dec - 13 Jan WestJet direct
16 Dec - 25 Dec WestJet
16 Dec - 26 Dec WestJet direct
31 Dec - 10 Jan WestJet direct
23 Dec - 08 Jan WestJet
25 Dec - 28 Dec WestJet direct
15 Dec - 27 Dec WestJet direct
15 Dec - 28 Dec WestJet direct
16 Dec - 27 Dec WestJet direct
23 Dec - 28 Dec WestJet direct
16 Dec - 28 Dec WestJet direct
16 Dec - 25 Dec Air Canada direct
15 Dec - 25 Dec Air Canada direct

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

Powered by

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.

Book a cheap hotel in London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.