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

Return flights

15 May - 20 May	WestJet
30 May - 20 Jun	WestJet
18 May - 27 May	WestJet
09 May - 20 May	WestJet
01 May - 12 May	WestJet
08 May - 19 May	WestJet
04 May - 16 May	WestJet
14 May - 20 May	WestJet
03 May - 12 May	WestJet
03 May - 20 May	WestJet
03 May - 19 May	WestJet
29 May - 08 Jun	WestJet
29 May - 02 Jun	WestJet
23 May - 13 Jun	WestJet
18 May - 01 Jun	WestJet
11 May - 06 Jun	WestJet
12 May - 06 Jun	WestJet

Also check the deals for one-way flights from Hamilton to Lisbon 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 Lisbon in May from 1690€

Return flights