Cheapest one-way flights from Chicago to London in June from 321€

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

AirHint found the following cheapest one-way flights from Chicago (MDW) to London (LGW) in June 2025 (see full year).

One-Way flights

15 Jun Porter Airlines (Canada) Ltd
11 Jun Air Transat
27 Jun Frontier Airlines
22 Jun Frontier Airlines
20 Jun Frontier Airlines
18 Jun Frontier Airlines
16 Jun Frontier Airlines
19 Jun Air Transat
09 Jun Frontier Airlines

Also check the deals for return flights from Chicago to London in June.

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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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