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

Return flights

25 Feb - 01 Mar	Icelandair
24 Feb - 01 Mar	Icelandair
15 Feb - 28 Feb	TAP
22 Feb - 27 Feb	Scandinavian Airlines
17 Feb - 24 Feb	Lufthansa
18 Feb - 24 Feb	Lufthansa
22 Feb - 03 Mar	Scandinavian Airlines
26 Feb - 03 Mar	Spirit Airlines
10 Feb - 19 Feb	Lufthansa
17 Feb - 27 Feb	Lufthansa
10 Feb - 17 Feb	Lufthansa
08 Feb - 27 Feb	Spirit Airlines
20 Feb - 01 Mar	Scandinavian Airlines
16 Feb - 24 Feb	SWISS
20 Feb - 02 Mar	Scandinavian Airlines
08 Feb - 25 Feb	Air Canada
24 Feb - 03 Mar	United
20 Feb - 13 Mar	Scandinavian Airlines
17 Feb - 26 Mar	Air Canada
27 Feb - 04 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 382€

Return flights