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Find flight deals from United Kingdom to Chicago

Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights to Chicago

(Round-trip)
Depart: Tue 20 Jan 2015 Return: Mon 26 Jan 2015 Trip spans 7 days
Delta
Delta
LHR
05:35
ORD
19:12
13h 37m
1 stop
ORD
13:25
LHR
00:00
10h 35m
1 stop
Depart: Sat 15 Nov 2014 Return: Sun 16 Nov 2014 Trip spans 2 days
British Airways
British Airways
LHR
07:35
ORD
20:10
12h 35m
1 stop
ORD
13:15
LHR
20:45
7h 30m
nonstop
Depart: Mon 26 Jan 2015 Return: Tue 3 Feb 2015 Trip spans 9 days
Aer Lingus
Aer Lingus
MAN
03:00
ORD
16:30
13h 30m
1 stop
ORD
14:15
MAN
04:10
13h 55m
1 stop
Depart: Tue 2 Dec 2014 Return: Tue 9 Dec 2014 Trip spans 8 days
Multiple Airlines
Multiple Airlines
MAN
03:00
ORD
19:05
16h 05m
2 stops
ORD
01:00
MAN
06:35
29h 35m
2 stops
Depart: Wed 26 Nov 2014 Return: Tue 2 Dec 2014 Trip spans 7 days
SAS
SAS
MAN
13:35
ORD
13:30
23h 55m
1 stop
ORD
11:25
MAN
06:55
19h 30m
1 stop
Depart: Thu 19 Mar 2015 Return: Tue 24 Mar 2015 Trip spans 6 days
Aer Lingus
Aer Lingus
EDI
04:20
ORD
16:30
12h 10m
1 stop
ORD
15:15
EDI
02:20
11h 05m
1 stop
Depart: Wed 7 Jan 2015 Return: Mon 19 Jan 2015 Trip spans 13 days
Multiple Airlines
Multiple Airlines
BHX
04:25
ORD
15:25
11h 00m
1 stop
ORD
11:25
BHX
03:40
16h 15m
1 stop
Depart: Mon 19 Jan 2015 Return: Tue 27 Jan 2015 Trip spans 9 days
Aer Lingus
Aer Lingus
LGW
04:00
ORD
16:30
12h 30m
1 stop
ORD
14:15
LGW
05:05
14h 50m
1 stop
Depart: Wed 3 Dec 2014 Return: Fri 5 Dec 2014 Trip spans 3 days
Aer Lingus
Aer Lingus
LHR
05:00
ORD
16:30
11h 30m
1 stop
ORD
14:15
LHR
02:30
12h 15m
1 stop
Depart: Sun 23 Nov 2014 Return: Sun 30 Nov 2014 Trip spans 8 days
Aer Lingus
Aer Lingus
BHX
16:10
ORD
16:30
24h 20m
1 stop
ORD
14:15
BHX
00:35
10h 20m
1 stop
Depart: Tue 17 Mar 2015 Return: Tue 24 Mar 2015 Trip spans 8 days
Iberia
Iberia
LHR
03:25
ORD
16:30
13h 05m
1 stop
ORD
13:55
LHR
01:40
11h 45m
1 stop
Depart: Mon 15 Dec 2014 Return: Mon 29 Dec 2014 Trip spans 15 days
SAS
SAS
LHR
01:40
ORD
19:10
17h 30m
1 stop
ORD
11:25
LHR
01:50
14h 25m
1 stop
Depart: Wed 5 Nov 2014 Return: Tue 11 Nov 2014 Trip spans 7 days
US Airways
US Airways
MAN
05:45
ORD
18:12
12h 27m
1 stop
ORD
11:00
MAN
21:45
10h 45m
1 stop
Depart: Mon 2 Mar 2015 Return: Wed 25 Mar 2015 Trip spans 23 days
Iberia
Iberia
GLA
08:50
ORD
21:30
12h 40m
1 stop
ORD
16:10
GLA
03:45
11h 35m
1 stop
Depart: Tue 23 Dec 2014 Return: Tue 30 Dec 2014 Trip spans 8 days
KLM Royal Dutch
KLM Royal Dutch
GLA
11:20
ORD
15:25
28h 05m
1 stop
ORD
09:00
GLA
02:00
17h 00m
2 stops
Depart: Mon 2 Feb 2015 Return: Tue 10 Feb 2015 Trip spans 9 days
US Airways
US Airways
LHR
07:05
ORD
20:27
13h 22m
1 stop
ORD
11:10
LHR
22:25
11h 15m
1 stop
Depart: Thu 26 Mar 2015 Return: Thu 2 Apr 2015 Trip spans 8 days
Brussels Airlines
Brussels Airlines
MAN
02:35
ORD
14:35
12h 00m
1 stop
ORD
14:05
MAN
10:55
20h 50m
1 stop
Depart: Sun 18 Jan 2015 Return: Sun 25 Jan 2015 Trip spans 8 days
US Airways
US Airways
LGW
13:50
ORD
20:27
30h 37m
2 stops
ORD
08:45
LGW
03:50
19h 05m
2 stops
Depart: Thu 27 Nov 2014 Return: Thu 4 Dec 2014 Trip spans 8 days
Multiple Airlines
Multiple Airlines
MAN
14:45
MDW
17:56
27h 11m
2 stops
MDW
11:35
MAN
06:25
18h 50m
2 stops
Depart: Mon 5 Jan 2015 Return: Mon 19 Jan 2015 Trip spans 15 days
Multiple Airlines
Multiple Airlines
BHX
12:25
MDW
21:15
32h 50m
2 stops
MDW
13:30
BHX
03:40
14h 10m
2 stops
Change your search
Airports
Origin

Birmingham
£454
Glasgow
£473
Newcastle upon Tyne
£501
London
only £390
only £461
only £526
Edinburgh
£449
Manchester
£437
Destination

Chicago
only £390
only £499