AirHint found the following cheapest return flights from Minneapolis (MSP) to London (STN) in December 2025 (see full year).

Return flights

11 Dec - 17 Dec	Aer Lingus
03 Dec - 08 Dec	Aer Lingus
11 Dec - 18 Dec	Aer Lingus
29 Dec - 24 Jan	Icelandair
07 Dec - 15 Dec	Aer Lingus
01 Dec - 07 Dec	Lufthansa
10 Dec - 13 Dec	Icelandair
05 Dec - 12 Dec	Sun Country Airlines
18 Dec - 28 Dec	Aer Lingus
13 Dec - 17 Jan	Lufthansa
22 Dec - 17 Jan	Icelandair
12 Dec - 03 Jan	Icelandair
09 Dec - 23 Dec	Sun Country Airlines
30 Dec - 24 Jan	Air Canada
24 Dec - 07 Jan	Sun Country Airlines
30 Dec - 05 Jan	Lufthansa
27 Dec - 13 Jan	Lufthansa
12 Dec - 20 Dec	Icelandair
26 Dec - 13 Jan	Sun Country Airlines
18 Dec - 09 Jan	Aer Lingus

Also check the deals for one-way flights from Minneapolis to London in December.

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 London in December from $557

Return flights