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

Return flights

09 Feb - 23 Feb	Icelandair
11 Feb - 20 Feb	Icelandair
20 Feb - 23 Feb	Icelandair
01 Feb - 21 Feb	Icelandair
01 Feb - 06 Feb	Icelandair
02 Feb - 28 Feb	Icelandair
19 Feb - 28 Feb	Icelandair
10 Feb - 17 Feb	Aer Lingus
23 Feb - 02 Mar	Icelandair
26 Feb - 05 Mar	Icelandair
08 Feb - 15 Feb	Aer Lingus
09 Feb - 16 Feb	Frontier Airlines
23 Feb - 21 Mar	Scandinavian Airlines
26 Feb - 21 Mar	Turkish Airlines
25 Feb - 04 Mar	SWISS
20 Feb - 01 Mar	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 408€

Return flights