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

Return flights

24 Oct - 28 Oct	WestJet
25 Oct - 02 Nov	WestJet
27 Oct - 01 Nov	WestJet
17 Oct - 21 Oct	WestJet
21 Oct - 28 Oct	WestJet
23 Oct - 29 Oct	WestJet
21 Oct - 29 Oct	WestJet
19 Oct - 28 Oct	WestJet
22 Oct - 29 Oct	WestJet
15 Oct - 26 Oct	WestJet
25 Oct - 05 Nov	WestJet
18 Oct - 28 Oct	WestJet
18 Oct - 29 Oct	WestJet
20 Oct - 01 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 725€

Return flights