Cheapest return flights from Chicago to London in April from $467

Best time to book flights for Chicago (ORD) to London (LHR) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to London (LHR) in April 2025 (see full year).

Return flights

01 Apr - 29 Apr Icelandair
08 Apr - 21 Apr Icelandair
25 Apr - 10 May Icelandair
01 Apr - 10 Apr Icelandair
28 Apr - 06 May Icelandair
29 Apr - 06 May Icelandair
25 Apr - 30 Apr Icelandair
23 Apr - 02 May Icelandair
24 Apr - 01 May Icelandair
27 Apr - 04 May Icelandair
25 Apr - 06 May Icelandair
07 Apr - 16 Apr Icelandair
02 Apr - 08 Apr Icelandair
30 Apr - 10 May Icelandair
08 Apr - 16 Apr Icelandair
30 Apr - 05 May Icelandair
22 Apr - 04 May Icelandair
09 Apr - 23 Apr Icelandair
16 Apr - 30 Apr Icelandair
06 Apr - 16 Apr Icelandair

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

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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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