Menu
Menu
New York

Cheap flights from Illinois (IL) to London (LON)

Know your dates, get live prices in seconds:

From
To
Depart
–
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
Add another flight clear all

We work with more than 300 partners to bring you better travel deals

Cheap flights from Illinois to London

Cheap flights from Illinois to London in September 2019

The best prices found for Illinois to LGW flights for September
29 Sep - 5 Oct
$580pp
ORD
Chicago O'Hare Intl
Norwegian
Non-Stop
LGW
London Gatwick
LGW
London Gatwick
Norwegian
 
1 STOP
ORD
Chicago O'Hare Intl
30 Sep - 14 Oct
$607pp
ORD
Chicago O'Hare Intl
Aer Lingus
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
 
1 STOP
ORD
Chicago O'Hare Intl
25 Sep - 15 Oct
$611pp
ORD
Chicago O'Hare Intl
Aer Lingus
 
1 STOP
LCY
London City
LCY
London City
Aer Lingus
 
1 STOP
ORD
Chicago O'Hare Intl

Illinois to London 2019 flight deals

Cheap flights to London from Illinois found for this year
18 Oct - 25 Oct
$444pp
MDW
Chicago Midway
Delta
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Delta
   
2 STOPS
MDW
Chicago Midway
20 Oct - 22 Oct
$445pp
ORD
Chicago O'Hare Intl
Norwegian Air UK
Non-Stop
LGW
London Gatwick
LGW
London Gatwick
Norwegian Air UK
     
3 STOPS
ORD
Chicago O'Hare Intl
21 Oct - 25 Oct
$451pp
ORD
Chicago O'Hare Intl
Norwegian Air UK
Non-Stop
LGW
London Gatwick
LGW
London Gatwick
Norwegian Air UK
Non-Stop
ORD
Chicago O'Hare Intl

Non-stop flights to London from Illinois

Save time with Illinois to London direct flight deals
16 Oct - 24 Oct
$400pp
ORD
Chicago O'Hare Intl
American Airlines
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
American Airlines
Non-Stop
ORD
Chicago O'Hare Intl
17 Oct - 24 Oct
$440pp
ORD
Chicago O'Hare Intl
British Airways
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
British Airways
Non-Stop
ORD
Chicago O'Hare Intl
21 Oct - 25 Oct
$451pp
ORD
Chicago O'Hare Intl
Norwegian Air UK
Non-Stop
LGW
London Gatwick
LGW
London Gatwick
Norwegian Air UK
Non-Stop
ORD
Chicago O'Hare Intl

Last minute flights from Illinois to London

Late deals on round-trip flights to London from Illinois, departing today and this week
25 Sep - 15 Oct
$611pp
ORD
Chicago O'Hare Intl
Aer Lingus
 
1 STOP
LCY
London City
LCY
London City
Aer Lingus
 
1 STOP
ORD
Chicago O'Hare Intl
23 Sep - 3 Oct
$611pp
ORD
Chicago O'Hare Intl
Norwegian
Non-Stop
LGW
London Gatwick
LGW
London Gatwick
Norwegian
 
1 STOP
ORD
Chicago O'Hare Intl
24 Sep - 17 Oct
$612pp
ORD
Chicago O'Hare Intl
Aer Lingus
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
 
1 STOP
ORD
Chicago O'Hare Intl

Destination information for London

Things to know before you go. Useful info for your trip from Illinois to London
Today's exchange rate
$1.00 = £0.81
Flight duration
8h 18m

Airports servicing London

Southend (SEN)
Stansted (STN)
City (LCY)
Gatwick (LGW)
Heathrow (LHR)
Luton (LTN)
Average temperature for September in London
68.0 °F
Avg rainfall for September in London
1.9 ″