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

Return flights

04 May - 14 May	WestJet
26 May - 02 Jun	WestJet
02 May - 02 Jun	WestJet
09 May - 30 May	WestJet
02 May - 11 May	WestJet
04 May - 11 May	WestJet
12 May - 21 May	WestJet
13 May - 04 Jun	WestJet
04 May - 12 May	WestJet
04 May - 27 May	WestJet
13 May - 20 May	WestJet
04 May - 13 May	WestJet
25 May - 01 Jun	WestJet
04 May - 10 May	WestJet
30 May - 07 Jun	WestJet
13 May - 08 Jun	WestJet
31 May - 18 Jun	WestJet
30 May - 12 Jun	WestJet
27 May - 01 Jun	WestJet
27 May - 03 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 $911

Return flights