Cheapest return flights from Chicago to London in May from 566€

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

Return flights

13 May - 27 May Finnair
17 May - 28 May Icelandair
20 May - 07 Jun Icelandair
16 May - 24 May Scandinavian Airlines
13 May - 27 May British Airways direct
16 May - 24 May British Airways direct
18 May - 29 Jun Scandinavian Airlines
19 May - 29 Jun Scandinavian Airlines
21 May - 29 Jun Scandinavian Airlines
20 May - 29 Jun Scandinavian Airlines
17 May - 28 May British Airways direct
20 May - 07 Jun British Airways direct
18 May - 29 Jun Iberia direct
19 May - 29 Jun Iberia direct
21 May - 29 Jun Iberia direct
20 May - 29 Jun Iberia 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.

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