June is by far the best month, wherein you can get cheapest flights for Chicago to London. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Chicago
13:49
Chicago Midway International Airport [MDW]
Mon , 29 Jun 2026

London
13:05
London Heathrow Airport [LHR]
Tue, 30 Jun 2026

Chicago
13:26
Chicago Midway International Airport [MDW]
Mon , 29 Jun 2026

London
07:10
London Heathrow Airport [LHR]
Tue, 30 Jun 2026

Chicago
06:00
Chicago Midway International Airport [MDW]
Mon , 29 Jun 2026

London
06:25
London Heathrow Airport [LHR]
Tue, 30 Jun 2026

Chicago
09:17
Chicago Midway International Airport [MDW]
Mon , 29 Jun 2026

London
07:10
London Heathrow Airport [LHR]
Tue, 30 Jun 2026

Chicago
13:26
Chicago Midway International Airport [MDW]
Mon , 29 Jun 2026

London
07:10
London Heathrow Airport [LHR]
Tue, 30 Jun 2026

Chicago
13:26
Chicago Midway International Airport [MDW]
Mon , 29 Jun 2026

London
07:10
London Heathrow Airport [LHR]
Tue, 30 Jun 2026

Chicago
13:26
Chicago Midway International Airport [MDW]
Mon , 29 Jun 2026

London
07:10
London Heathrow Airport [LHR]
Tue, 30 Jun 2026

Chicago
13:49
Chicago Midway International Airport [MDW]
Mon , 29 Jun 2026

London
13:05
London Heathrow Airport [LHR]
Tue, 30 Jun 2026

Chicago
06:00
Chicago Midway International Airport [MDW]
Mon , 29 Jun 2026

London
06:25
London Heathrow Airport [LHR]
Tue, 30 Jun 2026

Chicago
09:17
Chicago Midway International Airport [MDW]
Mon , 29 Jun 2026

London
07:10
London Heathrow Airport [LHR]
Tue, 30 Jun 2026

Chicago
09:17
Chicago Midway International Airport [MDW]
Mon , 29 Jun 2026

London
07:40
London Heathrow Airport [LHR]
Tue, 30 Jun 2026









