Cheapest return flights from London to Chicago in April from $484

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

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

Return flights

30 Apr - 07 May Icelandair
24 Apr - 29 Apr Lufthansa
25 Apr - 27 Apr SWISS
25 Apr - 28 Apr SWISS
25 Apr - 01 May SWISS
22 Apr - 02 May SWISS
25 Apr - 23 May SWISS
29 Apr - 04 May SWISS
25 Apr - 29 Apr SWISS
25 Apr - 30 Apr SWISS
22 Apr - 29 Apr SWISS
22 Apr - 28 Apr SWISS
25 Apr - 02 May SWISS
27 Apr - 04 May SWISS
25 Apr - 05 May SWISS
25 Apr - 03 May SWISS
23 Apr - 27 Apr SWISS
29 Apr - 06 May SWISS
21 Apr - 28 Apr Lufthansa
21 Apr - 29 Apr Lufthansa

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