AirHint found the following cheapest return flights from Kansas City (MCI) to London (LGW) in December 2025 (see full year).

Return flights

09 Dec - 16 Dec	Turkish Airlines
13 Dec - 18 Dec	Alaska Airlines
13 Dec - 19 Dec	Alaska Airlines
13 Dec - 20 Dec	Alaska Airlines
13 Dec - 21 Dec	Alaska Airlines
15 Dec - 19 Dec	Alaska Airlines
15 Dec - 10 Jan	Alaska Airlines
22 Dec - 29 Dec	Turkish Airlines
22 Dec - 30 Dec	Turkish Airlines
22 Dec - 28 Dec	Turkish Airlines
15 Dec - 20 Dec	Alaska Airlines
17 Dec - 03 Jan	Alaska Airlines

Also check the deals for one-way flights from Kansas City 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 Kansas City to London in December from $1445

Return flights