Cheapest return flights from Chicago to London in January from $544

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

10 Jan - 24 Jan Icelandair
21 Jan - 25 Jan Icelandair
20 Jan - 25 Jan Icelandair
12 Jan - 19 Jan Icelandair
14 Jan - 25 Jan Icelandair
12 Jan - 20 Jan Icelandair
07 Jan - 21 Jan Icelandair
17 Jan - 24 Jan Icelandair
07 Jan - 14 Jan Icelandair
03 Jan - 31 Jan Icelandair
27 Jan - 03 Feb Delta
28 Jan - 04 Feb Delta
26 Jan - 02 Feb Delta
29 Jan - 05 Feb Delta
30 Jan - 06 Feb Delta
25 Jan - 01 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.

Book a cheap hotel in London

Cheap car rent in London