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

Return flights

31 Aug - 07 Sep	WestJet
31 Aug - 05 Sep	WestJet
27 Aug - 05 Sep	WestJet
19 Aug - 13 Sep	Porter Airlines (Canada) Ltd
22 Aug - 08 Sep	WestJet
23 Aug - 13 Sep	WestJet
27 Aug - 01 Sep	WestJet
27 Aug - 03 Sep	WestJet
22 Aug - 28 Aug	WestJet
26 Aug - 04 Sep	WestJet
22 Aug - 20 Sep	WestJet
22 Aug - 27 Aug	WestJet
23 Aug - 26 Aug	WestJet
25 Aug - 28 Aug	WestJet
26 Aug - 30 Aug	WestJet
23 Aug - 28 Aug	WestJet
26 Aug - 31 Aug	WestJet
25 Aug - 27 Aug	WestJet
26 Aug - 29 Aug	WestJet
23 Aug - 29 Aug	WestJet

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

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 August from 885€

Return flights