Cheapest return flights from Chicago to London in April from $486

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

Return flights

17 Apr - 20 Apr Scandinavian Airlines
08 Apr - 11 Apr Scandinavian Airlines
21 Apr - 16 May Icelandair
30 Apr - 18 May Icelandair
22 Apr - 27 Apr Scandinavian Airlines
08 Apr - 18 Apr Scandinavian Airlines
03 Apr - 10 Apr Scandinavian Airlines
03 Apr - 16 Apr Icelandair
06 Apr - 02 May Icelandair
12 Apr - 02 May Icelandair
07 Apr - 02 May Icelandair
01 Apr - 25 Apr Icelandair
10 Apr - 18 Apr Icelandair
10 Apr - 19 Apr Icelandair
04 Apr - 25 Apr Icelandair
29 Apr - 03 May Icelandair
08 Apr - 02 May Icelandair
30 Apr - 11 May Icelandair
26 Apr - 11 May Icelandair
29 Apr - 03 May British Airways direct

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

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.