Cheapest return flights from Chicago to London in January from $600

Best time to book flights for Chicago (ORD) to London (LHR) flights at AirHint

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

Return flights

07 Jan - 17 Jan Icelandair
23 Jan - 31 Jan Icelandair
07 Jan - 21 Jan Air France
21 Jan - 28 Jan Delta
14 Jan - 21 Jan Delta
07 Jan - 14 Jan Delta
28 Jan - 04 Feb Delta
13 Jan - 20 Jan Delta
20 Jan - 27 Jan Delta
06 Jan - 13 Jan Delta
27 Jan - 03 Feb Delta
12 Jan - 19 Jan Delta
26 Jan - 02 Feb Delta
30 Jan - 06 Feb Delta
25 Jan - 01 Feb Delta
29 Jan - 05 Feb Delta
30 Jan - 02 Feb Delta
31 Jan - 07 Feb Delta
29 Jan - 01 Feb Delta
31 Jan - 03 Feb Delta

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

Skyscanner

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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