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

Return flights

29 Sep - 06 Oct	WestJet
22 Sep - 12 Oct	WestJet
30 Sep - 16 Oct	WestJet
09 Sep - 03 Oct	WestJet
25 Sep - 08 Oct	WestJet
04 Sep - 11 Sep	WestJet
05 Sep - 11 Sep	WestJet
05 Sep - 17 Sep	WestJet
11 Sep - 18 Sep	WestJet
25 Sep - 03 Oct	WestJet
15 Sep - 24 Sep	WestJet
09 Sep - 18 Sep	WestJet
18 Sep - 05 Oct	WestJet
19 Sep - 03 Oct	WestJet
04 Sep - 10 Sep	WestJet
08 Sep - 18 Sep	WestJet
05 Sep - 10 Sep	WestJet
15 Sep - 21 Sep	WestJet
30 Sep - 09 Oct	WestJet
26 Sep - 02 Oct	WestJet

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

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Waterloo to London in September from $1049

Return flights