Cheapest return flights from Chicago to London in June from $943

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

Return flights

15 Jun - 22 Jun Porter Airlines (Canada) Ltd
15 Jun - 19 Jun Porter Airlines (Canada) Ltd
18 Jun - 25 Jun Porter Airlines (Canada) Ltd
14 Jun - 21 Jun Porter Airlines (Canada) Ltd
11 Jun - 18 Jun Porter Airlines (Canada) Ltd
21 Jun - 29 Jun Porter Airlines (Canada) Ltd
30 Jun - 07 Jul Porter Airlines (Canada) Ltd
25 Jun - 29 Jul Delta
17 Jun - 25 Jun Porter Airlines (Canada) Ltd
26 Jun - 01 Jul Air France
30 Jun - 05 Jul Porter Airlines (Canada) Ltd
18 Jun - 23 Jun Porter Airlines (Canada) Ltd
23 Jun - 30 Jun Air France
12 Jun - 18 Jun Porter Airlines (Canada) Ltd
22 Jun - 03 Jul Porter Airlines (Canada) Ltd
23 Jun - 01 Jul KLM
16 Jun - 16 Jul Delta
23 Jun - 08 Jul KLM
26 Jun - 03 Jul Porter Airlines (Canada) Ltd
25 Jun - 06 Jul Delta

Also check the deals for one-way 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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