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Find Flight Deals from Chicago O'Hare International to London (ORD - LON)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Chicago O'Hare International to London

(Round-trip)
Depart: Thu Sep 24 2015 Return: Thu Oct 8 2015 Trip spans 15 days
Turkish Airlines
Turkish Airlines
ORD
6:15p
LGW
12:50a
30h 35m
1 stop
LGW
1:10p
ORD
7:25p
30h 15m
1 stop
Depart: Mon Mar 30 2015 Return: Fri Apr 17 2015 Trip spans 19 days
US Airways
US Airways
ORD
2:10p
LHR
10:05p
7h 55m
nonstop
LHR
2:50a
ORD
1:55p
11h 05m
1 stop
Depart: Sat Jun 6 2015 Return: Mon Jun 8 2015 Trip spans 3 days
United
United
ORD
2:05p
LHR
2:40a
12h 35m
1 stop
LHR
3:20a
ORD
4:50p
13h 30m
1 stop
Depart: Sat May 2 2015 Return: Sun May 3 2015 Trip spans 2 days
SAS
SAS
ORD
6:05p
LHR
6:00a
11h 55m
1 stop
LHR
5:05p
ORD
2:20p
21h 15m
1 stop
Depart: Fri Apr 24 2015 Return: Mon May 11 2015 Trip spans 18 days
Aer Lingus
Aer Lingus
ORD
11:50a
LGW
12:00a
12h 10m
1 stop
LGW
6:40a
ORD
8:05p
13h 25m
1 stop
Depart: Sat Apr 4 2015 Return: Thu Apr 9 2015 Trip spans 6 days
Aer Lingus
Aer Lingus
ORD
11:50a
LHR
11:05p
11h 15m
1 stop
LHR
3:30a
ORD
3:50p
12h 20m
1 stop
Depart: Wed May 13 2015 Return: Mon May 18 2015 Trip spans 6 days
American Airlines
American Airlines
ORD
7:50a
LHR
11:15p
15h 25m
1 stop
LHR
12:40p
ORD
8:50a
20h 10m
1 stop
Depart: Thu Aug 27 2015 Return: Thu Sep 3 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
ORD
6:15p
LHR
12:05a
29h 50m
1 stop
LHR
6:30p
ORD
7:25p
24h 55m
1 stop
Depart: Fri Jun 26 2015 Return: Sat Jun 27 2015 Trip spans 2 days
$1003
Select
British Airways
British Airways
ORD
12:40p
LHR
3:30a
14h 50m
1 stop
LHR
2:00p
ORD
1:55p
23h 55m
1 stop
Depart: Fri Jun 19 2015 Return: Sun Jun 21 2015 Trip spans 3 days
$1160
Select
Lufthansa
Lufthansa
ORD
5:20p
LHR
5:40a
12h 20m
1 stop
LHR
4:05a
ORD
5:00p
12h 55m
1 stop
Direct flights ORD to LON on Delta
Flight # Depart ORD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
4389 5:55 pm 7:55 am Apr 30 - May 7
Airports
Origin

Chicago
$841
Destination

London
only $876
only $841