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

Return flights

06 Dec - 15 Dec	WestJet
06 Dec - 10 Dec	WestJet
13 Dec - 17 Dec	WestJet
04 Dec - 19 Dec	WestJet
13 Dec - 09 Jan	WestJet
18 Dec - 11 Jan	WestJet
06 Dec - 07 Jan	WestJet
16 Dec - 31 Dec	WestJet
27 Dec - 31 Dec	WestJet
15 Dec - 02 Jan	WestJet
18 Dec - 07 Jan	WestJet
18 Dec - 31 Dec	WestJet
22 Dec - 29 Dec	WestJet
18 Dec - 28 Dec	WestJet
22 Dec - 31 Dec	WestJet
15 Dec - 04 Jan	WestJet
26 Dec - 04 Jan	WestJet
23 Dec - 02 Jan	WestJet
29 Dec - 04 Jan	WestJet
27 Dec - 04 Jan	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 665€

Return flights