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

Return flights

21 Apr - 29 Apr	WestJet
21 Apr - 04 May	WestJet
20 Apr - 14 May	WestJet
21 Apr - 26 Apr	WestJet
28 Apr - 04 May	WestJet
25 Apr - 02 May	WestJet
23 Apr - 04 May	WestJet
04 Apr - 15 Apr	WestJet
23 Apr - 03 May	WestJet
21 Apr - 28 Apr	WestJet
20 Apr - 11 May	WestJet
13 Apr - 24 Apr	WestJet
07 Apr - 27 Apr	WestJet
06 Apr - 06 May	WestJet
28 Apr - 07 May	WestJet
28 Apr - 05 May	WestJet
16 Apr - 24 Apr	WestJet
14 Apr - 19 Apr	WestJet
07 Apr - 13 Apr	WestJet
02 Apr - 15 Apr	WestJet

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

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 April from $873

Return flights