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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: Thu Feb 5 2015 Return: Mon Feb 9 2015 Trip spans 5 days
Turkish Airlines
Turkish Airlines
ORD
4:50p
LHR
10:00a
17h 10m
1 stop
LHR
11:00a
ORD
6:50p
31h 50m
1 stop
Depart: Fri Feb 27 2015 Return: Sun Mar 1 2015 Trip spans 3 days
SAS
SAS
ORD
5:05p
LHR
10:00p
28h 55m
1 stop
LHR
2:05p
ORD
1:30p
23h 25m
1 stop
Depart: Fri Feb 20 2015 Return: Sat Feb 21 2015 Trip spans 2 days
British Airways
British Airways
ORD
12:10p
LHR
7:45p
7h 35m
nonstop
LHR
1:50p
ORD
3:30p
25h 40m
1 stop
Depart: Thu Apr 30 2015 Return: Fri May 15 2015 Trip spans 16 days
Multiple Airlines
Multiple Airlines
ORD
9:20a
LHR
10:10a
24h 50m
2 stops
LHR
5:10p
ORD
7:21p
26h 11m
2 stops
Depart: Sat Apr 18 2015 Return: Sun Apr 19 2015 Trip spans 2 days
Iberia
Iberia
ORD
4:45a
LHR
12:45p
8h 00m
nonstop
LHR
2:20a
ORD
4:15p
13h 55m
1 stop
Depart: Fri Apr 17 2015 Return: Sun Apr 19 2015 Trip spans 3 days
US Airways
US Airways
ORD
4:35p
LHR
12:20a
7h 45m
nonstop
LHR
2:20a
ORD
4:15p
13h 55m
1 stop
Depart: Fri Apr 3 2015 Return: Sun Apr 5 2015 Trip spans 3 days
American Airlines
American Airlines
ORD
12:40p
LHR
3:30a
14h 50m
1 stop
LHR
3:45a
ORD
12:25p
8h 40m
nonstop
Depart: Sat Mar 14 2015 Return: Sun Mar 29 2015 Trip spans 16 days
Aeroflot
Aeroflot
ORD
4:00a
LHR
12:45a
20h 45m
2 stops
LHR
6:45p
ORD
8:06p
25h 21m
2 stops
Depart: Sat Jun 6 2015 Return: Mon Jun 8 2015 Trip spans 3 days
United
United
ORD
2:05p
LHR
5:55a
15h 50m
1 stop
LHR
3:20a
ORD
4:50p
13h 30m
1 stop
Depart: Wed May 6 2015 Return: Mon May 11 2015 Trip spans 6 days
$1023
Select
Aeromexico
Aeromexico
ORD
9:05p
LHR
6:05a
33h 00m
1 stop
LHR
6:35p
ORD
3:40p
21h 05m
1 stop
Depart: Sat Feb 7 2015 Return: Wed Mar 11 2015 Trip spans 32 days
$1077
Select
Major Airline
Major Airline
ORD
2:15p
LHR
7:50a
17h 35m
1 stop
LHR
2:50a
ORD
4:30p
13h 40m
1 stop
Depart: Tue Jun 23 2015 Return: Mon Jun 29 2015 Trip spans 7 days
$1104
Select
Aer Lingus
Aer Lingus
ORD
2:15p
LHR
8:55a
18h 40m
1 stop
LHR
3:35p
ORD
3:15p
23h 40m
1 stop
Depart: Sun Aug 2 2015 Return: Fri Aug 7 2015 Trip spans 6 days
$1132
Select
Air Canada
Air Canada
ORD
1:10p
LHR
12:25a
11h 15m
1 stop
LHR
10:10a
ORD
9:04p
10h 54m
1 stop
Change your search
Direct flights CHI to LHR on American Airlines
Flight # Depart ORD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
90 8:40 am 10:40 pm Feb 18 - Mar 4
90 8:40 am 10:40 pm Mar 5 - Mar 7
90 8:40 am 10:40 pm Feb 21 - Feb 28
90 8:40 am 10:40 pm Feb 12 - Mar 3
90 8:40 am 10:40 pm Feb 10 - Feb 14
90 9:40 am 10:40 pm Mar 8 - Mar 8
90 9:40 am 10:40 pm Mar 9 - Mar 28
6194 5:10 pm 6:45 am Jan 29 - Feb 8
6194 5:10 pm 6:45 am Feb 23 - Mar 2
6194 5:10 pm 6:45 am Feb 9 - Feb 22
6194 5:10 pm 6:45 am Feb 24 - Mar 7
86 5:55 pm 7:45 am Jan 29 - Feb 12
86 5:55 pm 7:45 am Feb 15 - Mar 2
86 5:55 pm 7:45 am Feb 19 - Feb 26
86 5:55 pm 7:45 am Jan 30 - Feb 14
86 5:55 pm 7:45 am Feb 3 - Feb 17
86 5:55 pm 7:45 am Mar 3 - Mar 7
6194 6:10 pm 6:45 am Mar 8 - Mar 15
6194 6:10 pm 6:45 am Mar 9 - Mar 9
86 7:50 pm 8:40 am Mar 8 - Mar 27
6196 8:45 pm 10:25 am Jan 29 - Mar 7
98 9:25 pm 11:35 am Jan 29 - Mar 7
6196 9:45 pm 10:25 am Mar 8 - Mar 27
98 10:35 pm 11:35 am Mar 8 - Mar 27
Airports
Origin

Chicago
$762
Destination

London
$762