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

Return flights

04 Dec - 10 Dec	WestJet
06 Dec - 15 Dec	WestJet
11 Dec - 14 Dec	WestJet
13 Dec - 07 Jan	WestJet
06 Dec - 28 Dec	WestJet
13 Dec - 29 Dec	WestJet
23 Dec - 29 Dec	WestJet
13 Dec - 04 Jan	WestJet
22 Dec - 28 Dec	WestJet
22 Dec - 02 Jan	WestJet
18 Dec - 28 Dec	WestJet
20 Dec - 02 Jan	WestJet
20 Dec - 31 Dec	WestJet

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

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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Cheapest return flights from Waterloo to London in December from $891

Return flights