AirHint found the following cheapest return flights from Minneapolis (MSP) to Lisbon (LIS) in May 2026 (see full year).
Return flights
| 11 May - 19 May | Icelandair | ||
| 31 May - 10 Jun | Icelandair | ||
| 20 May - 29 May | Aer Lingus | ||
| 20 May - 23 Jun | Aer Lingus | ||
| 29 May - 07 Jun | Air France |
Also check the deals for one-way flights from Minneapolis to Lisbon in May.
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