AirHint found the following cheapest return flights from Waterloo (YKF) to London (LHR) in May 2026 (see full year).

Return flights

21 May - 26 May	WestJet
13 May - 06 Jun	Flair Airlines
01 May - 04 May	WestJet
06 May - 21 May	WestJet
07 May - 14 May	WestJet
12 May - 13 May	WestJet
04 May - 11 May	WestJet
13 May - 27 May	WestJet
05 May - 21 May	WestJet
06 May - 13 May	WestJet
07 May - 21 May	WestJet
11 May - 08 Jun	WestJet
26 May - 08 Jun	WestJet
12 May - 06 Jun	WestJet
31 May - 07 Jun	WestJet
25 May - 07 Jun	WestJet
24 May - 07 Jun	WestJet
22 May - 13 Jun	WestJet
22 May - 07 Jun	WestJet
23 May - 07 Jun	WestJet

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

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 May from 825€

Return flights