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

Return flights

15 Sep - 22 Sep	Sun Country Airlines
13 Sep - 20 Sep	Sun Country Airlines
23 Sep - 07 Oct	United
03 Sep - 25 Sep	Delta	direct
15 Sep - 22 Sep	Delta	direct
23 Sep - 07 Oct	Delta	direct
13 Sep - 23 Sep	Delta	direct
13 Sep - 20 Sep	Delta	direct

Also check the deals for one-way flights from Minneapolis to Seoul 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 Seoul in September from 845€

Return flights