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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: Thu 19 Mar 2015 Return: Thu 16 Apr 2015 Trip spans 29 days
£410
Select
Delta
Delta
LHR
06:10
ORD
18:58
12h 48m
1 stop
ORD
11:13
LHR
22:00
10h 47m
1 stop
Depart: Mon 9 Mar 2015 Return: Wed 22 Apr 2015 Trip spans 45 days
£413
Select
Delta
Delta
GLA
02:00
ORD
16:20
14h 20m
1 stop
ORD
12:20
GLA
00:30
12h 10m
1 stop
Depart: Wed 11 Mar 2015 Return: Mon 20 Apr 2015 Trip spans 41 days
£423
Select
KLM Royal Dutch
KLM Royal Dutch
GLA
02:00
ORD
16:20
14h 20m
1 stop
ORD
12:30
GLA
02:45
14h 15m
2 stops
Depart: Sat 7 Mar 2015 Return: Tue 10 Mar 2015 Trip spans 3 days
£425
Select
Virgin Atlantic
Virgin Atlantic
LHR
07:00
ORD
22:43
15h 43m
1 stop
ORD
12:35
LHR
02:00
13h 25m
1 stop
Depart: Sun 22 Mar 2015 Return: Mon 20 Apr 2015 Trip spans 30 days
£452
Select
Multiple Airlines
Multiple Airlines
MAN
15:45
ORD
14:58
23h 13m
1 stop
ORD
13:20
MAN
03:30
14h 10m
1 stop
Depart: Wed 25 Mar 2015 Return: Thu 14 May 2015 Trip spans 51 days
£473
Select
Multiple Airlines
Multiple Airlines
LHR
08:50
ORD
22:49
13h 59m
1 stop
ORD
10:00
LHR
21:05
11h 05m
1 stop
Depart: Tue 18 Aug 2015 Return: Tue 1 Sep 2015 Trip spans 15 days
£481
Select
Delta
Delta
MAN
04:45
ORD
17:40
12h 55m
1 stop
ORD
13:20
MAN
03:30
14h 10m
1 stop
Depart: Thu 23 Apr 2015 Return: Tue 5 May 2015 Trip spans 13 days
£483
Select
Delta
Delta
EDI
05:05
ORD
16:10
11h 05m
1 stop
ORD
12:20
EDI
00:25
12h 05m
1 stop
Depart: Wed 27 May 2015 Return: Wed 10 Jun 2015 Trip spans 15 days
£484
Select
Iberia
Iberia
MAN
07:55
ORD
22:20
14h 25m
1 stop
ORD
13:00
MAN
02:55
13h 55m
1 stop
Depart: Thu 10 Sep 2015 Return: Thu 24 Sep 2015 Trip spans 15 days
£485
Select
KLM Royal Dutch
KLM Royal Dutch
EDI
02:00
ORD
16:10
14h 10m
1 stop
ORD
12:20
EDI
00:25
12h 05m
1 stop
Depart: Mon 27 Apr 2015 Return: Mon 18 May 2015 Trip spans 22 days
£488
Select
Multiple Airlines
Multiple Airlines
GLA
11:55
ORD
16:15
28h 20m
2 stops
ORD
12:40
GLA
00:00
11h 20m
1 stop
Depart: Wed 20 May 2015 Return: Thu 4 Jun 2015 Trip spans 16 days
£492
Select
Air France
Air France
MAN
04:45
ORD
17:40
12h 55m
1 stop
ORD
13:20
MAN
00:20
11h 00m
1 stop
Depart: Wed 1 Apr 2015 Return: Mon 20 Apr 2015 Trip spans 20 days
£495
Select
Air France
Air France
EDI
02:30
ORD
19:47
17h 17m
2 stops
ORD
13:20
EDI
06:30
17h 10m
1 stop
Depart: Mon 23 Mar 2015 Return: Mon 30 Mar 2015 Trip spans 8 days
£496
Select
British Airways
British Airways
LHR
13:15
ORD
22:20
9h 05m
nonstop
ORD
12:40
LHR
00:30
11h 50m
1 stop
Depart: Mon 25 May 2015 Return: Wed 3 Jun 2015 Trip spans 10 days
£498
Select
KLM Royal Dutch
KLM Royal Dutch
LBA
02:15
ORD
16:10
13h 55m
1 stop
ORD
12:20
LBA
23:40
11h 20m
1 stop
Depart: Thu 11 Jun 2015 Return: Thu 18 Jun 2015 Trip spans 8 days
£503
Select
British Airways
British Airways
MAN
05:30
ORD
13:50
8h 20m
nonstop
ORD
13:00
MAN
23:05
10h 05m
1 stop
Depart: Sun 23 Aug 2015 Return: Thu 3 Sep 2015 Trip spans 12 days
£503
Select
Virgin Atlantic
Virgin Atlantic
EDI
14:50
ORD
14:30
23h 40m
1 stop
ORD
13:55
EDI
00:40
10h 45m
1 stop
Depart: Sun 24 May 2015 Return: Mon 1 Jun 2015 Trip spans 9 days
£508
Select
SWISS
SWISS
MAN
14:45
ORD
17:45
27h 00m
1 stop
ORD
15:15
MAN
21:55
30h 40m
1 stop
Depart: Mon 1 Jun 2015 Return: Sat 6 Jun 2015 Trip spans 6 days
£537
Select
Turkish Airlines
Turkish Airlines
LGW
13:10
ORD
19:25
30h 15m
1 stop
ORD
18:15
LGW
00:50
30h 35m
1 stop
Depart: Sun 29 Mar 2015 Return: Mon 6 Apr 2015 Trip spans 9 days
£555
Select
Multiple Airlines
Multiple Airlines
LCY
15:20
ORD
17:45
50h 25m
2 stops
ORD
15:15
LCY
22:20
55h 05m
2 stops
Change your search
Airports
Origin

Leeds
£498
London
only £410
only £555
only £537
Manchester
£452
Glasgow
£413
Edinburgh
£483
Destination

Chicago
£410