Take off on cheap flights from Chicago to London, your adventure starts now!

Find cheap airline tickets from Chicago to London by date

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$621
Icelandair outward: Sep 2, 2024
5:15a ORD » 12:45p LGW
Icelandair 1 stop (31h30m)
Icelandair inbound: Sep 30, 2024
10:25p LHR » 1:15a ORD
Icelandair 1 stop (26h50m)
$641
Icelandair outward: Sep 14, 2024
2:25a ORD » 12:45p LGW
Icelandair 1 stop (10h20m)
Icelandair inbound: Sep 22, 2024
10:25p LHR » 1:20a ORD
Icelandair 1 stop (26h55m)
$689
Icelandair outward: Sep 12, 2024
2:30a ORD » 12:45p LGW
Icelandair 1 stop (10h15m)
Icelandair inbound: Sep 21, 2024
2:00p LGW » 1:15a ORD
Icelandair 1 stop (11h15m)
Return
Departure
Find the cheapest Chicago London flight by browsing the dates below to find alternative flight prices found in the last days. To launch a flight search for Chicago - London with these new dates, click on an offer. Want to depart from another city? Choose:

Airlines operating flights from Chicago to London

  • any
  • April 2024
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  • Aer Lingus
  • Finnair
  • Icelandair
  • TAP Air Portugal
Finnair
outbound: May 13, 2024
Finnair direct
return: May 25, 2024
Finnair direct
Aer Lingus
outbound: May 13, 2024
Aer Lingus 1 stop
return: May 25, 2024
Aer Lingus 1 stop
TAP Air Portugal
outbound: May 13, 2024
TAP Air Portugal 1 stop
return: May 25, 2024
TAP Air Portugal 2 stops
Icelandair
outbound: May 13, 2024
Icelandair 2 stops
return: May 25, 2024
Icelandair 1 stop

Travel tips for flights Chicago - London

  • Arrival city:
  • London, United Kingdom
  • Airport(s):
  • London City Airport (LCY)
  • Heathrow International Airport (LHR)
  • Gatwick International Airport (LGW)
  • London Luton Airport (LTN)
  • London Stansted Airport (STN)
  • Southend Airport (SEN)
  • Local time:
  • Apr 25, 2024 5:21 AM, GMT+1
  • Weather:
  • min. 39ºF, max. 51ºF
  • Departure city:
  • Chicago, USA
  • Airport(s):
  • Chicago Midway International Airport (MDW)
  • O'Hare International Airport (ORD)
  • Local time:
  • Apr 24, 2024 11:21 PM, GMT-5
  • Weather:
  • min. 41ºF, max. 52ºF