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Find Deals on Flights 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 16 Jun 2015 Return: Thu 23 Jul 2015 Trip spans 38 days
£390
Select
Delta
Delta
LHR
05:45
ORD
14:30
8h 45m
nonstop
ORD
10:10
LHR
21:20
11h 10m
1 stop
Depart: Wed 7 Oct 2015 Return: Mon 12 Oct 2015 Trip spans 6 days
£477
Select
Aer Lingus
Aer Lingus
EDI
12:30
ORD
20:05
31h 35m
1 stop
ORD
11:50
EDI
01:10
13h 20m
1 stop
Depart: Thu 1 Oct 2015 Return: Fri 16 Oct 2015 Trip spans 16 days
£478
Select
Aer Lingus
Aer Lingus
GLA
04:20
ORD
15:50
11h 30m
1 stop
ORD
16:00
GLA
21:55
29h 55m
1 stop
Depart: Fri 4 Sep 2015 Return: Sun 20 Sep 2015 Trip spans 17 days
£479
Select
Aer Lingus
Aer Lingus
BHX
04:10
ORD
15:50
11h 40m
1 stop
ORD
11:50
BHX
01:10
13h 20m
1 stop
Depart: Sat 3 Oct 2015 Return: Sun 18 Oct 2015 Trip spans 16 days
£486
Select
Aer Lingus
Aer Lingus
MAN
04:00
ORD
15:50
11h 50m
1 stop
ORD
11:50
MAN
09:15
21h 25m
1 stop
Depart: Wed 2 Sep 2015 Return: Tue 8 Sep 2015 Trip spans 7 days
£491
Select
Air France
Air France
BHX
02:25
ORD
17:40
15h 15m
1 stop
ORD
13:20
BHX
02:55
13h 35m
1 stop
Depart: Mon 14 Sep 2015 Return: Sun 27 Sep 2015 Trip spans 14 days
£504
Select
KLM Royal Dutch
KLM Royal Dutch
BHX
05:40
ORD
21:56
16h 16m
2 stops
ORD
10:35
BHX
00:45
14h 10m
2 stops
Depart: Mon 19 Oct 2015 Return: Fri 6 Nov 2015 Trip spans 19 days
£517
Select
Aer Lingus
Aer Lingus
LHR
17:10
ORD
15:50
22h 40m
1 stop
ORD
11:00
LHR
22:15
11h 15m
1 stop
Depart: Mon 31 Aug 2015 Return: Tue 8 Sep 2015 Trip spans 9 days
£519
Select
Air France
Air France
MAN
02:10
ORD
17:40
15h 30m
1 stop
ORD
13:20
MAN
01:00
11h 40m
1 stop
Depart: Thu 27 Aug 2015 Return: Mon 7 Sep 2015 Trip spans 12 days
£522
Select
KLM Royal Dutch
KLM Royal Dutch
MAN
01:55
ORD
16:10
14h 15m
1 stop
ORD
12:20
MAN
02:55
14h 35m
1 stop
Depart: Tue 29 Sep 2015 Return: Sun 4 Oct 2015 Trip spans 6 days
£525
Select
Delta
Delta
MAN
06:35
ORD
23:45
17h 10m
1 stop
ORD
08:45
MAN
22:20
13h 35m
1 stop
Depart: Sun 29 Nov 2015 Return: Sat 5 Dec 2015 Trip spans 7 days
£526
Select
SAS
SAS
LHR
04:55
ORD
19:10
14h 15m
1 stop
ORD
14:45
LHR
06:00
15h 15m
1 stop
Depart: Tue 2 Jun 2015 Return: Mon 8 Jun 2015 Trip spans 7 days
£543
Select
Air France
Air France
LHR
10:25
ORD
22:00
11h 35m
1 stop
ORD
14:29
LHR
01:05
10h 36m
1 stop
Depart: Sun 11 Oct 2015 Return: Mon 2 Nov 2015 Trip spans 23 days
£547
Select
Turkish Airlines
Turkish Airlines
LGW
08:35
ORD
19:25
34h 50m
1 stop
ORD
16:50
LGW
22:25
29h 35m
1 stop
Depart: Sat 26 Sep 2015 Return: Sat 3 Oct 2015 Trip spans 8 days
£550
Select
Aer Lingus
Aer Lingus
LGW
11:00
ORD
15:50
28h 50m
1 stop
ORD
11:50
LGW
22:25
10h 35m
1 stop
Depart: Sat 20 Jun 2015 Return: Sat 8 Aug 2015 Trip spans 50 days
£560
Select
British Airways
British Airways
LHR
10:25
ORD
08:20
21h 55m
1 stop
ORD
17:49
LHR
21:40
27h 51m
1 stop
Depart: Sun 21 Jun 2015 Return: Mon 6 Jul 2015 Trip spans 16 days
£561
Select
United
United
LHR
03:50
ORD
12:30
8h 40m
nonstop
ORD
17:05
LHR
01:20
8h 15m
nonstop
Depart: Sat 19 Sep 2015 Return: Fri 16 Oct 2015 Trip spans 28 days
£562
Select
American Airlines
American Airlines
LHR
08:50
ORD
21:04
12h 14m
1 stop
ORD
08:25
LHR
00:30
16h 05m
1 stop
Depart: Fri 14 Aug 2015 Return: Wed 2 Sep 2015 Trip spans 20 days
£611
Select
SAS
SAS
NCL
15:20
ORD
14:20
23h 00m
2 stops
ORD
18:05
NCL
08:50
14h 45m
1 stop
Depart: Mon 3 Aug 2015 Return: Fri 28 Aug 2015 Trip spans 26 days
£766
Select
KLM Royal Dutch
KLM Royal Dutch
BHD
07:15
ORD
16:10
32h 55m
1 stop
ORD
12:20
BHD
00:40
12h 20m
1 stop
Airports
Origin

Belfast
£766
London
only £390
only £547
Manchester
£486
Newcastle upon Tyne
£611
Glasgow
£478
Edinburgh
£477
Birmingham
£479
Destination

Chicago
£390