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

Return flights

05 May - 12 May	Lufthansa
03 May - 12 May	Air Canada
11 May - 19 May	Lufthansa
04 May - 12 May	Aer Lingus
06 May - 14 May	Lufthansa
05 May - 13 May	United
01 May - 09 May	Lufthansa
12 May - 20 May	Delta
13 May - 21 May	Lufthansa
03 May - 11 May	Sun Country Airlines
29 May - 06 Jun	Icelandair
26 May - 03 Jun	WestJet
27 May - 04 Jun	Icelandair
25 May - 02 Jun	United
28 May - 05 Jun	Air Canada
30 May - 07 Jun	WestJet
31 May - 08 Jun	Aer Lingus
24 May - 01 Jun	Icelandair

Also check the deals for one-way flights from Minneapolis 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 Minneapolis to Lisbon in May from $605

Return flights