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

Return flights

20 Feb - 27 Feb	Icelandair
25 Feb - 08 Mar	Icelandair
16 Feb - 23 Feb	SWISS
10 Feb - 17 Feb	SWISS
17 Feb - 24 Feb	SWISS
10 Feb - 24 Feb	SWISS
17 Feb - 03 Mar	SWISS
16 Feb - 16 Mar	SWISS
25 Feb - 11 Mar	SWISS
24 Feb - 10 Mar	SWISS
16 Feb - 04 Mar	SWISS
16 Feb - 09 Mar	SWISS
16 Feb - 03 Mar	SWISS
16 Feb - 05 Mar	SWISS
17 Feb - 16 Mar	SWISS
08 Feb - 17 Feb	SWISS
14 Feb - 25 Feb	SWISS
05 Feb - 16 Feb	SWISS
18 Feb - 25 Feb	SWISS
12 Feb - 22 Feb	SWISS

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

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 Chicago to London in February from 530€

Return flights