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

Return flights

07 Feb - 08 Feb	Scandinavian Airlines
08 Feb - 11 Feb	Scandinavian Airlines
06 Feb - 09 Feb	Scandinavian Airlines
18 Feb - 26 Feb	TAP
18 Feb - 27 Feb	TAP
18 Feb - 28 Feb	TAP
06 Feb - 15 Feb	TAP
04 Feb - 08 Feb	TAP
06 Feb - 14 Feb	TAP
11 Feb - 27 Feb	TAP
18 Feb - 04 Mar	TAP
26 Feb - 05 Mar	Icelandair
27 Feb - 09 Mar	Icelandair
27 Feb - 03 Mar	Icelandair
28 Feb - 07 Mar	Icelandair
26 Feb - 03 Mar	Icelandair
23 Feb - 01 Mar	Icelandair
25 Feb - 03 Mar	Icelandair
27 Feb - 08 Mar	Icelandair
26 Feb - 02 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 $407

Return flights