AirHint found the following cheapest return flights from Hamilton (YHM) to London (LHR) in May 2026 (see full year).

Return flights

09 May - 05 Jun	WestJet
21 May - 19 Jun	WestJet
24 May - 20 Jun	WestJet
12 May - 27 May	WestJet
07 May - 14 May	WestJet
07 May - 21 May	WestJet
25 May - 09 Jun	WestJet
21 May - 02 Jun	WestJet
11 May - 11 Jun	WestJet
05 May - 15 May	WestJet
11 May - 10 Jun	WestJet
10 May - 01 Jun	WestJet
30 May - 01 Jun	WestJet
29 May - 05 Jun	WestJet
12 May - 25 May	WestJet
06 May - 22 May	WestJet
12 May - 17 May	WestJet
08 May - 24 May	WestJet
08 May - 19 May	WestJet
14 May - 22 May	WestJet

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

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 May from 801€

Return flights