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

Return flights

11 Feb - 07 Mar	Icelandair
08 Feb - 28 Feb	Icelandair
17 Feb - 23 Feb	Icelandair
12 Feb - 18 Feb	Icelandair
12 Feb - 17 Feb	Icelandair
02 Feb - 28 Feb	Icelandair
13 Feb - 07 Mar	Icelandair
16 Feb - 02 Mar	Icelandair
09 Feb - 07 Mar	Icelandair
01 Feb - 21 Feb	Icelandair
25 Feb - 08 Mar	Scandinavian Airlines
06 Feb - 28 Feb	Icelandair
23 Feb - 21 Mar	Scandinavian Airlines
16 Feb - 14 Mar	Icelandair
20 Feb - 22 Feb	Icelandair
20 Feb - 23 Feb	Icelandair
12 Feb - 19 Feb	Icelandair
22 Feb - 01 Mar	Icelandair
27 Feb - 06 Mar	Icelandair
28 Feb - 21 Mar	Icelandair

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 $516

Return flights