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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: Tue 20 Jan 2015 Return: Mon 26 Jan 2015 Trip spans 7 days
SWISS
SWISS
MAN
03:40
ORD
16:55
13h 15m
1 stop
ORD
14:15
MAN
07:10
16h 55m
1 stop
Depart: Fri 16 Jan 2015 Return: Mon 19 Jan 2015 Trip spans 4 days
SWISS
SWISS
BHX
03:40
ORD
16:55
13h 15m
1 stop
ORD
14:15
BHX
07:10
16h 55m
1 stop
Depart: Wed 4 Mar 2015 Return: Sun 8 Mar 2015 Trip spans 4 days
Multiple Airlines
Multiple Airlines
BHX
03:40
ORD
16:55
13h 15m
1 stop
ORD
13:50
BHX
02:55
13h 05m
1 stop
Depart: Fri 13 Mar 2015 Return: Mon 23 Mar 2015 Trip spans 11 days
Lufthansa
Lufthansa
MAN
02:15
ORD
15:05
12h 50m
1 stop
ORD
13:15
MAN
02:20
13h 05m
1 stop
Depart: Mon 1 Dec 2014 Return: Mon 8 Dec 2014 Trip spans 8 days
United
United
MAN
07:00
ORD
21:27
14h 27m
1 stop
ORD
11:17
MAN
03:55
16h 38m
2 stops
Depart: Thu 27 Nov 2014 Return: Tue 2 Dec 2014 Trip spans 6 days
Multiple Airlines
Multiple Airlines
LHR
03:50
ORD
16:55
13h 05m
1 stop
ORD
16:10
LHR
00:05
7h 55m
nonstop
Depart: Mon 15 Dec 2014 Return: Mon 12 Jan 2015 Trip spans 29 days
United
United
BHX
03:20
ORD
21:17
17h 57m
2 stops
ORD
16:40
BHX
20:10
27h 30m
1 stop
Depart: Sun 8 Mar 2015 Return: Mon 16 Mar 2015 Trip spans 9 days
Multiple Airlines
Multiple Airlines
LCY
14:20
ORD
17:55
27h 35m
1 stop
ORD
13:15
LCY
07:40
18h 25m
1 stop
Depart: Sat 28 Feb 2015 Return: Tue 10 Mar 2015 Trip spans 10 days
Austrian Airlines
Austrian Airlines
LHR
01:00
ORD
14:55
13h 55m
1 stop
ORD
13:10
LHR
09:40
20h 30m
1 stop
Depart: Sat 31 Jan 2015 Return: Sat 7 Feb 2015 Trip spans 8 days
Lufthansa
Lufthansa
STN
02:50
ORD
16:10
13h 20m
1 stop
ORD
12:50
STN
08:00
19h 10m
1 stop
Depart: Sun 11 Jan 2015 Return: Wed 11 Mar 2015 Trip spans 59 days
Lufthansa
Lufthansa
LHR
05:05
ORD
14:15
9h 10m
nonstop
ORD
13:00
LHR
20:55
7h 55m
nonstop
Depart: Wed 15 Apr 2015 Return: Wed 10 Jun 2015 Trip spans 57 days
Lufthansa
Lufthansa
EDI
13:55
ORD
14:50
24h 55m
1 stop
ORD
18:35
EDI
07:00
12h 25m
1 stop
Depart: Sun 19 Apr 2015 Return: Sun 26 Apr 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
NCL
16:25
ORD
17:14
24h 49m
2 stops
ORD
09:30
NCL
01:05
15h 35m
2 stops
Depart: Mon 19 Jan 2015 Return: Wed 28 Jan 2015 Trip spans 10 days
SWISS
SWISS
LHR
01:00
ORD
16:55
15h 55m
1 stop
ORD
14:15
LHR
06:50
16h 35m
1 stop
Depart: Mon 2 Feb 2015 Return: Mon 16 Feb 2015 Trip spans 15 days
United
United
LHR
02:35
ORD
16:30
13h 55m
1 stop
ORD
12:05
LHR
01:00
12h 55m
1 stop
Depart: Fri 23 Jan 2015 Return: Sun 1 Feb 2015 Trip spans 10 days
Brussels Airlines
Brussels Airlines
EDI
01:00
ORD
14:35
13h 35m
1 stop
ORD
12:50
EDI
10:40
21h 50m
1 stop
Depart: Thu 26 Mar 2015 Return: Thu 9 Apr 2015 Trip spans 15 days
Multiple Airlines
Multiple Airlines
STN
04:00
ORD
17:10
13h 10m
1 stop
ORD
13:35
STN
09:30
19h 55m
1 stop
Depart: Tue 21 Apr 2015 Return: Tue 26 May 2015 Trip spans 36 days
Multiple Airlines
Multiple Airlines
MAN
04:40
ORD
17:45
13h 05m
1 stop
ORD
10:20
MAN
22:05
11h 45m
1 stop
Depart: Thu 21 May 2015 Return: Sun 31 May 2015 Trip spans 11 days
Multiple Airlines
Multiple Airlines
EDI
02:00
ORD
15:00
13h 00m
1 stop
ORD
18:35
EDI
07:00
12h 25m
1 stop
Depart: Tue 23 Dec 2014 Return: Tue 30 Dec 2014 Trip spans 8 days
British Airways
British Airways
GLA
08:50
ORD
21:30
12h 40m
1 stop
ORD
13:15
GLA
01:45
12h 30m
1 stop
Change your search
Airports
Origin

Birmingham
£398
Glasgow
£538
Newcastle upon Tyne
£435
London
only £408
only £427
only £418
Edinburgh
£435
Manchester
£386
Destination

Chicago
£386