Cheapest return flights from Chicago to London in January from 439€

AirHint found the following cheapest return flights from Chicago (MDW) to London (LGW) in January 2026 (see full year).

Return flights

26 Jan - 02 Feb Frontier Airlines
23 Jan - 26 Jan Frontier Airlines
30 Jan - 07 Feb Frontier Airlines
23 Jan - 03 Feb Frontier Airlines
24 Jan - 19 Feb Frontier Airlines
15 Jan - 18 Jan Frontier Airlines
27 Jan - 02 Feb Frontier Airlines
15 Jan - 25 Jan Frontier Airlines
23 Jan - 31 Jan Frontier Airlines
12 Jan - 15 Jan Frontier Airlines
25 Jan - 01 Feb Southwest Airlines
10 Jan - 17 Jan Frontier Airlines
04 Jan - 09 Jan Frontier Airlines
30 Jan - 16 Feb Frontier Airlines

Also check the deals for one-way flights from Chicago to London in January.

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