Cheapest return flights from Chicago to London in January from $493

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

Return flights

20 Jan - 25 Jan Icelandair
08 Jan - 14 Jan Icelandair
26 Jan - 21 Feb Icelandair
10 Jan - 17 Jan Icelandair
13 Jan - 20 Jan Icelandair
08 Jan - 22 Jan Icelandair
15 Jan - 07 Feb Icelandair
25 Jan - 07 Feb Icelandair
05 Jan - 31 Jan Icelandair
19 Jan - 09 Feb Icelandair
12 Jan - 07 Feb Icelandair
07 Jan - 14 Jan Icelandair
13 Jan - 24 Jan Spirit Airlines
03 Jan - 17 Jan Icelandair
12 Jan - 18 Jan Spirit Airlines
19 Jan - 14 Feb Icelandair
28 Jan - 02 Feb SWISS

Also check the deals for one-way flights from Chicago to London in January.

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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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