Cheapest return flights from Chicago to London in April from 405€

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

Return flights

25 Apr - 09 May Icelandair
01 Apr - 10 Apr Air Canada
22 Apr - 06 May Finnair
21 Apr - 28 Apr British Airways direct
01 Apr - 08 Apr British Airways direct
22 Apr - 06 May British Airways direct
11 Apr - 18 Apr Icelandair
10 Apr - 24 Apr Icelandair
29 Apr - 20 May Delta
18 Apr - 20 May Icelandair
19 Apr - 03 May Icelandair
06 Apr - 02 May Icelandair
01 Apr - 25 Apr Finnair
05 Apr - 25 Apr Finnair
01 Apr - 25 Apr British Airways direct
05 Apr - 25 Apr British Airways direct
10 Apr - 24 Apr British Airways direct
18 Apr - 20 May British Airways direct
19 Apr - 03 May British Airways direct
06 Apr - 02 May British Airways direct

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

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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