AirHint found the following cheapest return flights from Hamilton (YHM) to London (LHR) in October 2025 (see full year).

Return flights

25 Oct - 29 Oct	WestJet
01 Oct - 01 Nov	WestJet
20 Oct - 29 Oct	WestJet
26 Oct - 08 Nov	WestJet
30 Oct - 22 Nov	WestJet
21 Oct - 29 Oct	WestJet
21 Oct - 04 Nov	WestJet
19 Oct - 08 Nov	WestJet
22 Oct - 15 Nov	WestJet
09 Oct - 01 Nov	WestJet
09 Oct - 21 Oct	WestJet
18 Oct - 09 Nov	WestJet
10 Oct - 21 Oct	WestJet
23 Oct - 28 Oct	WestJet
24 Oct - 29 Oct	WestJet
29 Oct - 05 Nov	WestJet
18 Oct - 28 Oct	WestJet
22 Oct - 28 Oct	WestJet
21 Oct - 28 Oct	WestJet
14 Oct - 26 Nov	WestJet

Also check the deals for one-way flights from Hamilton to London in October.

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 Hamilton to London in October from 707€

Return flights