Cheapest return flights from Chicago to London in April from 646€

Best time to book flights for Chicago (MDW) to London (LGW) flights at AirHint

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

Return flights

05 Apr - 19 Apr Frontier Airlines
10 Apr - 14 Apr Frontier Airlines
12 Apr - 15 Apr Frontier Airlines
10 Apr - 15 Apr Frontier Airlines
05 Apr - 13 Apr Frontier Airlines
06 Apr - 18 Apr Porter Airlines (Canada) Ltd
03 Apr - 06 Apr Frontier Airlines
10 Apr - 17 Apr Frontier Airlines

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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