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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: 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: Mon 1 Dec 2014 Trip spans 5 days
Multiple Airlines
Multiple Airlines
LHR
03:50
ORD
16:55
13h 05m
1 stop
ORD
13:00
LHR
20:55
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: Thu 22 Jan 2015 Return: Sat 31 Jan 2015 Trip spans 10 days
SWISS
SWISS
LCY
02:30
ORD
16:55
14h 25m
1 stop
ORD
14:15
LCY
01:50
11h 35m
1 stop
Depart: Thu 8 Jan 2015 Return: Thu 29 Jan 2015 Trip spans 22 days
Lufthansa
Lufthansa
LHR
07:05
ORD
16:15
9h 10m
nonstop
ORD
16:05
LHR
00:05
8h 00m
nonstop
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: Sat 21 Feb 2015 Return: Sat 7 Mar 2015 Trip spans 15 days
Multiple Airlines
Multiple Airlines
EDI
01:00
ORD
14:35
13h 35m
1 stop
ORD
12:50
EDI
06:50
17h 00m
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: 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: 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: 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: Mon 13 Apr 2015 Return: Mon 8 Jun 2015 Trip spans 57 days
United
United
EDI
02:00
ORD
15:00
13h 00m
1 stop
ORD
08:00
EDI
23:45
15h 45m
1 stop
Depart: Fri 1 May 2015 Return: Fri 8 May 2015 Trip spans 8 days
Lufthansa
Lufthansa
MAN
02:25
ORD
17:05
14h 40m
1 stop
ORD
11:50
MAN
01:05
13h 15m
1 stop
Depart: Mon 30 Mar 2015 Return: Wed 15 Apr 2015 Trip spans 17 days
SAS
SAS
LHR
17:05
ORD
14:20
21h 15m
1 stop
ORD
18:05
LHR
09:30
15h 25m
1 stop
Depart: Tue 7 Apr 2015 Return: Tue 14 Apr 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
LGW
06:40
ORD
22:20
15h 40m
2 stops
ORD
14:10
LGW
10:10
20h 00m
2 stops
Change your search
Airports
Origin

Birmingham
£398
London
only £408
only £427
only £521
only £418
Edinburgh
£433
Manchester
£386
Destination

Chicago
£386