Browse Origins:
Browse Destinations:

Find Flight Deals from Chicago to London Heathrow (CHI - LHR)

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

Book cheap flights from Chicago to London Heathrow

(Round-trip)
Depart: Fri May 1 2015 Return: Sat May 2 2015 Trip spans 2 days
SAS
SAS
ORD
6:05p
LHR
6:00a
11h 55m
1 stop
LHR
2:00p
ORD
2:20p
24h 20m
1 stop
Depart: Wed Apr 22 2015 Return: Mon Apr 27 2015 Trip spans 6 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: 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: Fri Jun 12 2015 Return: Sun Jun 14 2015 Trip spans 3 days
British Airways
British Airways
ORD
12:55p
LHR
3:00a
14h 05m
1 stop
LHR
2:20a
ORD
4:15p
13h 55m
1 stop
Depart: Thu Jun 4 2015 Return: Mon Jun 8 2015 Trip spans 5 days
Aer Lingus
Aer Lingus
ORD
2:15p
LHR
12:10a
9h 55m
1 stop
LHR
5:50a
ORD
8:05p
14h 15m
1 stop
Depart: Wed Aug 26 2015 Return: Mon Aug 31 2015 Trip spans 6 days
American Airlines
American Airlines
ORD
12:45p
LHR
11:15p
10h 30m
1 stop
LHR
3:45p
ORD
11:27a
19h 42m
1 stop
Depart: Sun Apr 12 2015 Return: Tue Apr 14 2015 Trip spans 3 days
Delta
Delta
MDW
2:00a
LHR
9:05p
19h 05m
2 stops
LHR
9:05a
MDW
11:45p
14h 40m
2 stops
Depart: Fri Jun 26 2015 Return: Sat Jun 27 2015 Trip spans 2 days
$1003
Select
Iberia
Iberia
ORD
12:40p
LHR
5:00a
16h 20m
1 stop
LHR
4:20p
ORD
1:55p
21h 35m
1 stop
Depart: Sat Jul 4 2015 Return: Mon Jul 6 2015 Trip spans 3 days
$1020
Select
United
United
ORD
2:05p
LHR
2:40a
12h 35m
1 stop
LHR
4:30a
ORD
4:55p
12h 25m
1 stop
Depart: Sat Apr 18 2015 Return: Wed Apr 29 2015 Trip spans 12 days
$1039
Select
Air Canada
Air Canada
ORD
4:20p
LHR
11:00a
18h 40m
1 stop
LHR
4:30a
ORD
7:31p
15h 01m
1 stop
Direct flights CHI to LHR 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
only $883
only $970
Destination

London
$883