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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: Mon Oct 26 2015 Return: Sun Nov 1 2015 Trip spans 7 days
Turkish Airlines
Turkish Airlines
ORD
6:50p
LHR
12:00p
17h 10m
1 stop
LHR
1:00p
ORD
6:50p
29h 50m
1 stop
Depart: Tue Aug 11 2015 Return: Tue Aug 18 2015 Trip spans 8 days
Aeromexico
Aeromexico
ORD
8:25p
LHR
6:05a
33h 40m
1 stop
LHR
6:35p
ORD
1:00a
30h 25m
1 stop
Depart: Fri Jun 5 2015 Return: Sat Jun 6 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: Sat May 16 2015 Return: Sun May 17 2015 Trip spans 2 days
British Airways
British Airways
ORD
11:20a
LHR
7:05a
19h 45m
1 stop
LHR
4:20p
ORD
1:55p
21h 35m
1 stop
Depart: Tue May 5 2015 Return: Mon May 11 2015 Trip spans 7 days
Aeroflot
Aeroflot
ORD
2:00a
LHR
11:25a
33h 25m
2 stops
LHR
6:15p
ORD
8:06p
25h 51m
2 stops
Depart: Fri May 1 2015 Return: Sun May 3 2015 Trip spans 3 days
Major Airline
Major Airline
ORD
12:00p
LHR
1:00a
13h 00m
1 stop
LHR
3:00a
ORD
4:00p
13h 00m
1 stop
Depart: Fri May 22 2015 Return: Fri Jun 5 2015 Trip spans 15 days
US Airways
US Airways
ORD
12:40p
LHR
8:35p
7h 55m
nonstop
LHR
2:50a
ORD
1:55p
11h 05m
1 stop
Depart: Tue Apr 28 2015 Return: Sun May 3 2015 Trip spans 6 days
Aer Lingus
Aer Lingus
ORD
11:50a
LHR
1:10a
13h 20m
1 stop
LHR
4:50a
ORD
3:50p
11h 00m
1 stop
Depart: Tue May 12 2015 Return: Mon May 18 2015 Trip spans 7 days
American Airlines
American Airlines
ORD
12:50p
LHR
12:05a
11h 15m
1 stop
LHR
3:45p
ORD
8:50a
17h 05m
1 stop
Depart: Mon Sep 7 2015 Return: Tue Sep 15 2015 Trip spans 9 days
Delta
Delta
MDW
6:10a
LHR
9:05p
14h 55m
2 stops
LHR
5:40a
MDW
7:50p
14h 10m
2 stops
Depart: Sat Jun 20 2015 Return: Sun Jul 5 2015 Trip spans 16 days
$1104
Select
Finnair
Finnair
ORD
4:50a
LHR
12:45p
7h 55m
nonstop
LHR
4:00p
ORD
1:55p
21h 55m
2 stops
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 May 8 - Sep 2
4389 5:55 pm 7:55 am Apr 30 - May 7
Airports
Origin

Chicago
only $842
only $969
Destination

London
$842