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

Return flights

12 Feb - 22 Feb	Scandinavian Airlines
20 Feb - 27 Feb	Scandinavian Airlines
18 Feb - 25 Feb	Scandinavian Airlines
25 Feb - 08 Mar	Scandinavian Airlines
17 Feb - 25 Feb	Scandinavian Airlines
03 Feb - 10 Feb	Delta
11 Feb - 18 Feb	Delta
17 Feb - 25 Feb	Finnair	direct
18 Feb - 25 Feb	Finnair	direct
02 Feb - 09 Feb	Delta
09 Feb - 16 Feb	Delta
23 Feb - 02 Mar	Delta
27 Feb - 06 Mar	Icelandair
22 Feb - 01 Mar	Delta
25 Feb - 08 Mar	Finnair	direct
28 Feb - 07 Mar	Delta
27 Feb - 02 Mar	Delta
26 Feb - 01 Mar	Delta
28 Feb - 03 Mar	Delta

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 379€

Return flights