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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: Fri 28 Nov 2014 Return: Sun 30 Nov 2014 Trip spans 3 days
British Airways
British Airways
MAN
04:45
ORD
13:45
9h 00m
nonstop
ORD
09:10
MAN
00:20
63h 10m
3 stops
Depart: Thu 4 Dec 2014 Return: Sun 7 Dec 2014 Trip spans 4 days
Aer Lingus
Aer Lingus
LHR
02:50
ORD
16:30
13h 40m
1 stop
ORD
14:15
LHR
04:30
14h 15m
1 stop
Depart: Mon 15 Dec 2014 Return: Tue 13 Jan 2015 Trip spans 30 days
Aer Lingus
Aer Lingus
BHX
03:20
ORD
16:30
13h 10m
1 stop
ORD
14:15
BHX
00:35
10h 20m
1 stop
Depart: Sat 7 Mar 2015 Return: Sun 22 Mar 2015 Trip spans 15 days
Aer Lingus
Aer Lingus
LGW
04:10
ORD
16:30
12h 20m
1 stop
ORD
15:15
LGW
07:05
15h 50m
1 stop
Depart: Mon 25 May 2015 Return: Tue 23 Jun 2015 Trip spans 30 days
Multiple Airlines
Multiple Airlines
MAN
03:50
ORD
14:40
10h 50m
1 stop
ORD
14:29
MAN
07:25
16h 56m
1 stop
Depart: Fri 16 Jan 2015 Return: Tue 20 Jan 2015 Trip spans 5 days
Aer Lingus
Aer Lingus
LBA
03:25
ORD
16:30
13h 05m
1 stop
ORD
14:15
LBA
06:40
16h 25m
1 stop
Depart: Wed 18 Mar 2015 Return: Mon 23 Mar 2015 Trip spans 6 days
SAS
SAS
MAN
14:35
ORD
14:30
23h 55m
1 stop
ORD
13:25
MAN
00:15
34h 50m
1 stop
Depart: Thu 27 Nov 2014 Return: Tue 2 Dec 2014 Trip spans 6 days
SAS
SAS
BHX
04:55
ORD
19:10
14h 15m
1 stop
ORD
17:05
BHX
07:35
14h 30m
1 stop
Depart: Wed 11 Mar 2015 Return: Wed 18 Mar 2015 Trip spans 8 days
SAS
SAS
LHR
17:05
ORD
14:30
21h 25m
1 stop
ORD
13:25
LHR
03:50
14h 25m
1 stop
Depart: Sat 31 Jan 2015 Return: Wed 11 Feb 2015 Trip spans 12 days
United
United
EDI
04:05
ORD
13:43
33h 38m
2 stops
ORD
05:17
EDI
20:35
15h 18m
2 stops
Depart: Tue 20 Jan 2015 Return: Thu 29 Jan 2015 Trip spans 10 days
LOT Polish Air
LOT Polish Air
LHR
01:30
ORD
20:40
19h 10m
1 stop
ORD
16:30
LHR
05:55
13h 25m
1 stop
Depart: Thu 25 Dec 2014 Return: Tue 30 Dec 2014 Trip spans 6 days
Multiple Airlines
Multiple Airlines
EDI
01:35
ORD
14:23
12h 48m
1 stop
ORD
09:00
EDI
23:15
14h 15m
2 stops
Depart: Tue 5 May 2015 Return: Tue 12 May 2015 Trip spans 8 days
American Airlines
American Airlines
LHR
16:05
ORD
11:30
19h 25m
1 stop
ORD
09:00
LHR
23:25
14h 25m
1 stop
Depart: Wed 24 Dec 2014 Return: Tue 30 Dec 2014 Trip spans 7 days
KLM Royal Dutch
KLM Royal Dutch
EDI
03:25
ORD
15:25
12h 00m
1 stop
ORD
07:10
EDI
23:15
16h 05m
2 stops
Depart: Wed 25 Mar 2015 Return: Mon 30 Mar 2015 Trip spans 6 days
American Airlines
American Airlines
NCL
11:50
ORD
08:45
20h 55m
2 stops
ORD
06:00
NCL
01:05
19h 05m
2 stops
Depart: Sun 22 Mar 2015 Return: Thu 2 Apr 2015 Trip spans 12 days
Multiple Airlines
Multiple Airlines
LHR
15:30
ORD
14:35
23h 05m
2 stops
ORD
13:10
LHR
00:25
11h 15m
1 stop
Depart: Wed 17 Dec 2014 Return: Wed 31 Dec 2014 Trip spans 15 days
British Airways
British Airways
NCL
02:45
ORD
18:25
15h 40m
1 stop
ORD
17:00
NCL
06:00
13h 00m
1 stop
Depart: Sat 29 Nov 2014 Return: Wed 3 Dec 2014 Trip spans 5 days
Delta
Delta
LHR
05:10
ORD
16:54
11h 44m
1 stop
ORD
08:00
LHR
19:50
11h 50m
1 stop
Depart: Tue 7 Apr 2015 Return: Tue 21 Apr 2015 Trip spans 15 days
Turkish Airlines
Turkish Airlines
LGW
13:10
ORD
19:25
30h 15m
1 stop
ORD
18:15
LGW
23:05
28h 50m
1 stop
Depart: Fri 1 May 2015 Return: Sun 17 May 2015 Trip spans 17 days
United
United
GLA
05:00
ORD
09:53
28h 53m
2 stops
ORD
04:00
GLA
21:30
17h 30m
1 stop
Change your search
Airports
Origin

Birmingham
£455
Leeds
£461
Glasgow
£573
Newcastle upon Tyne
£528
London
only £454
only £459
Edinburgh
£485
Manchester
£421
Destination

Chicago
£421