AirHint found the following cheapest return flights from Minneapolis (MSP) to Lisbon (LIS) in August 2025 (see full year).

Return flights

23 Aug - 07 Sep	Icelandair
25 Aug - 09 Sep	Icelandair
25 Aug - 08 Sep	Icelandair
16 Aug - 30 Aug	Air Canada
18 Aug - 22 Aug	Icelandair
26 Aug - 08 Sep	Icelandair
14 Aug - 23 Aug	Icelandair
11 Aug - 18 Aug	American Airlines

Also check the deals for one-way flights from Minneapolis to Lisbon 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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Cheapest return flights from Minneapolis to Lisbon in August from $566

Return flights