Cheapest one-way flights from Chicago to London in January from $138

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

One-Way flights

26 Jan Frontier Airlines
25 Jan Spirit Airlines
13 Jan jetBlue
30 Jan Spirit Airlines
31 Jan Spirit Airlines
29 Jan Spirit Airlines
10 Jan Spirit Airlines
17 Jan Frontier Airlines
07 Jan Frontier Airlines
19 Jan Spirit Airlines

Also check the deals for return flights from Chicago to London in January.

Powered by

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

Feel free to contact us with any feedback or request another flight research.