Cheapest one-way flights from Chicago to London in January from $178

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

One-Way flights

13 Jan Frontier Airlines
14 Jan Frontier Airlines
26 Jan Frontier Airlines
04 Jan Frontier Airlines
03 Jan KLM
01 Jan Frontier Airlines
05 Jan Southwest Airlines
10 Jan Southwest Airlines
02 Jan Southwest Airlines

Also check the deals for return flights from Chicago to London in January.

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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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