Browse Origins:
  • United Kingdom:
Browse Destinations:

Find flight deals from United Kingdom to Chicago O'Hare International

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

Book cheap flights to Chicago O'Hare International

(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: 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 7 Jan 2015 Return: Wed 21 Jan 2015 Trip spans 15 days
Multiple Airlines
Multiple Airlines
BHX
14:55
ORD
14:17
23h 22m
1 stop
ORD
11:25
BHX
23:25
12h 00m
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: Thu 18 Dec 2014 Return: Fri 9 Jan 2015 Trip spans 23 days
Air France
Air France
EDI
01:35
ORD
14:23
12h 48m
1 stop
ORD
12:05
EDI
05:35
17h 30m
1 stop
Depart: Fri 27 Mar 2015 Return: Mon 30 Mar 2015 Trip spans 4 days
SAS
SAS
NCL
15:20
ORD
20:10
28h 50m
1 stop
ORD
18:05
NCL
08:50
14h 45m
1 stop
Depart: Wed 12 Nov 2014 Return: Sat 22 Nov 2014 Trip spans 11 days
Multiple Airlines
Multiple Airlines
EDI
03:25
ORD
15:25
12h 00m
1 stop
ORD
07:10
EDI
05:35
22h 25m
2 stops
Change your search
Airports
Origin

Bristol
£663
Birmingham
£469
Glasgow
£477
Newcastle upon Tyne
£504
London
only £393
only £508
only £464
only £530
Edinburgh
£452
Manchester
£441
Destination

Chicago
£393