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
08 Sep - 16 Sep	Icelandair
01 Sep - 09 Sep	Icelandair
14 Sep - 22 Sep	Icelandair
23 Sep - 01 Oct	Spirit Airlines
15 Sep - 23 Sep	Sun Country Airlines
04 Sep - 12 Sep	Icelandair
16 Sep - 24 Sep	Icelandair
19 Sep - 27 Sep	Sun Country Airlines
05 Sep - 13 Sep	Sun Country Airlines
24 Sep - 02 Oct	Air Canada
30 Sep - 08 Oct	Icelandair
29 Sep - 07 Oct	Air Canada
26 Sep - 02 Oct	Sun Country Airlines
26 Sep - 04 Oct	Sun Country Airlines
28 Sep - 06 Oct	Air Canada
27 Sep - 05 Oct	Icelandair
25 Sep - 09 Oct	Delta

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 316€

Return flights