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Find Flight Deals from Chicago to London (CHI - LON)

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

Book cheap flights from Chicago to London

(Round-trip)
Depart: Sun Oct 11 2015 Return: Tue Nov 10 2015 Trip spans 31 days
Turkish Airlines
Turkish Airlines
ORD
6:15p
LGW
11:05p
28h 50m
1 stop
LGW
12:20p
ORD
6:50p
30h 30m
1 stop
Depart: Mon Sep 21 2015 Return: Mon Sep 28 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
ORD
6:15p
LHR
11:00a
16h 45m
1 stop
LHR
6:30p
ORD
7:25p
24h 55m
1 stop
Depart: Sat Oct 10 2015 Return: Mon Oct 12 2015 Trip spans 3 days
SAS
SAS
ORD
5:05p
LHR
7:00a
13h 55m
1 stop
LHR
2:40a
ORD
7:40p
17h 00m
1 stop
Depart: Fri Jun 5 2015 Return: Sun Jun 7 2015 Trip spans 3 days
Major Airline
Major Airline
ORD
6:00p
LHR
6:00a
12h 00m
1 stop
LHR
9:00a
ORD
2:00p
29h 00m
1 stop
Depart: Mon May 4 2015 Return: Mon May 18 2015 Trip spans 15 days
Aer Lingus
Aer Lingus
ORD
11:50a
LCY
12:00a
12h 10m
1 stop
LCY
2:50a
ORD
3:50p
13h 00m
1 stop
Depart: Sat May 2 2015 Return: Fri May 8 2015 Trip spans 7 days
Aeroflot
Aeroflot
ORD
5:55a
LHR
11:25a
29h 30m
2 stops
LHR
6:45p
ORD
8:06p
25h 21m
2 stops
Depart: Mon Jun 15 2015 Return: Thu Jun 25 2015 Trip spans 11 days
US Airways
US Airways
ORD
4:50a
LHR
12:45p
7h 55m
nonstop
LHR
2:55a
ORD
1:55p
11h 00m
1 stop
Depart: Mon May 25 2015 Return: Fri Jun 5 2015 Trip spans 12 days
Aer Lingus
Aer Lingus
ORD
2:15p
LHR
8:55a
18h 40m
1 stop
LHR
3:30a
ORD
3:50p
12h 20m
1 stop
Depart: Wed May 13 2015 Return: Sun May 17 2015 Trip spans 5 days
British Airways
British Airways
ORD
12:50p
LHR
11:45p
10h 55m
1 stop
LHR
1:15p
ORD
10:15p
9h 00m
nonstop
Depart: Wed Apr 29 2015 Return: Wed May 6 2015 Trip spans 8 days
American Airlines
American Airlines
ORD
4:45a
LHR
12:45p
8h 00m
nonstop
LHR
2:50a
ORD
1:55p
11h 05m
1 stop
Depart: Thu May 14 2015 Return: Wed Jun 3 2015 Trip spans 21 days
Air Canada
Air Canada
ORD
11:55a
LHR
9:30p
9h 35m
1 stop
LHR
10:10a
ORD
9:04p
10h 54m
1 stop
Depart: Mon Jun 29 2015 Return: Thu Aug 27 2015 Trip spans 60 days
$1026
Select
Aer Lingus
Aer Lingus
ORD
11:50a
LGW
10:25p
10h 35m
1 stop
LGW
6:40a
ORD
8:05p
13h 25m
1 stop
Depart: Mon Aug 3 2015 Return: Tue Aug 4 2015 Trip spans 2 days
$1055
Select
Finnair
Finnair
ORD
4:35p
LHR
12:20a
7h 45m
nonstop
LHR
3:20p
ORD
8:40p
53h 20m
2 stops
Depart: Tue Jun 30 2015 Return: Thu Jul 2 2015 Trip spans 3 days
$1157
Select
United
United
ORD
2:05p
LHR
1:10a
11h 05m
1 stop
LHR
4:30a
ORD
5:05p
12h 35m
1 stop
Direct flights CHI 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
4389 5:55 pm 7:55 am May 8 - Sep 2
Airports
Origin

Chicago
$828
Destination

London
only $872
only $910
only $828