Cheapest return flights from Chicago to London in April from $535

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

Return flights

27 Apr - 30 Apr Scandinavian Airlines
20 Apr - 24 Apr Icelandair
23 Apr - 03 May Spirit Airlines
29 Apr - 10 May Spirit Airlines
17 Apr - 06 May Spirit Airlines
28 Apr - 10 May Spirit Airlines
14 Apr - 23 Apr Icelandair
13 Apr - 17 Apr Scandinavian Airlines
16 Apr - 21 Apr Icelandair
22 Apr - 28 Apr TAP
22 Apr - 02 May Scandinavian Airlines
19 Apr - 29 Apr TAP
29 Apr - 06 May TAP
25 Apr - 09 May TAP
26 Apr - 02 May TAP
12 Apr - 12 May TAP
12 Apr - 19 Apr Icelandair
13 Apr - 24 Apr Scandinavian Airlines
13 Apr - 28 Apr Scandinavian Airlines
14 Apr - 09 May Icelandair

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

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