Cheapest return flights from Chicago to London in May from 436€

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

Return flights

08 May - 22 May Scandinavian Airlines
15 May - 22 May Scandinavian Airlines
08 May - 25 May Scandinavian Airlines
07 May - 14 May Icelandair
19 May - 02 Jun Scandinavian Airlines
07 May - 10 May Icelandair
07 May - 22 May Icelandair
07 May - 22 May British Airways direct
08 May - 22 May British Airways direct
07 May - 14 May British Airways direct
08 May - 25 May British Airways direct
23 May - 06 Jun TAP
26 May - 09 Jun Scandinavian Airlines
12 May - 06 Jun Icelandair
29 May - 08 Jun jetBlue
19 May - 02 Jun Iberia direct
12 May - 06 Jun British Airways direct
26 May - 09 Jun British Airways direct
23 May - 06 Jun British Airways direct

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

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

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