AirHint found the following cheapest return flights from Minneapolis (MSP) to Barcelona (BCN) in September 2025 (see full year).

Return flights

25 Sep - 03 Oct	Icelandair
11 Sep - 19 Sep	Icelandair
18 Sep - 26 Sep	Icelandair
14 Sep - 22 Sep	Icelandair
26 Sep - 02 Oct	Sun Country Airlines
01 Sep - 09 Sep	Icelandair
10 Sep - 18 Sep	Icelandair
25 Sep - 02 Oct	Sun Country Airlines
23 Sep - 01 Oct	Iberia
04 Sep - 12 Sep	Icelandair
24 Sep - 02 Oct	Delta
08 Sep - 16 Sep	Icelandair
16 Sep - 24 Sep	Icelandair
30 Sep - 08 Oct	KLM
25 Sep - 09 Oct	Icelandair
29 Sep - 07 Oct	Iberia
15 Sep - 23 Sep	Icelandair
09 Sep - 17 Sep	Icelandair
26 Sep - 03 Oct	Icelandair
28 Sep - 06 Oct	Iberia

Also check the deals for one-way flights from Minneapolis to Barcelona in September.

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 Barcelona in September from $378

Return flights