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Find flight deals from Chicago O'Hare International to London Heathrow (ORD - LHR)

Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights from Chicago O'Hare International to London Heathrow

(Round-trip)
Depart: Sun 4 Oct 2015 Return: Mon 19 Oct 2015 Trip spans 16 days
£564
Select
Turkish Airlines
Turkish Airlines
ORD
18:15
LHR
11:00
16h 45m
1 stop
LHR
18:30
ORD
19:25
24h 55m
1 stop
Depart: Tue 5 May 2015 Return: Tue 12 May 2015 Trip spans 8 days
£615
Select
Aeroflot
Aeroflot
ORD
02:00
LHR
02:05
24h 05m
2 stops
LHR
18:45
ORD
00:02
29h 17m
2 stops
Depart: Wed 3 Jun 2015 Return: Thu 4 Jun 2015 Trip spans 2 days
£681
Select
American Airlines
American Airlines
ORD
13:45
LHR
00:10
10h 25m
1 stop
LHR
07:20
ORD
15:45
8h 25m
nonstop
Depart: Tue 16 Jun 2015 Return: Tue 23 Jun 2015 Trip spans 8 days
£700
Select
Aeromexico
Aeromexico
ORD
20:25
LHR
06:05
33h 40m
1 stop
LHR
18:35
ORD
15:47
21h 12m
1 stop
Depart: Mon 1 Jun 2015 Return: Wed 3 Jun 2015 Trip spans 3 days
£702
Select
United
United
ORD
14:20
LHR
07:05
16h 45m
1 stop
LHR
04:50
ORD
20:15
15h 25m
2 stops
Depart: Thu 3 Sep 2015 Return: Sat 5 Sep 2015 Trip spans 3 days
£728
Select
Austrian Airlines
Austrian Airlines
ORD
12:00
LHR
04:20
16h 20m
1 stop
LHR
15:25
ORD
15:35
24h 10m
1 stop
Depart: Sat 23 May 2015 Return: Thu 4 Jun 2015 Trip spans 13 days
£758
Select
Air Canada
Air Canada
ORD
13:55
LHR
01:05
11h 10m
1 stop
LHR
04:30
ORD
16:34
12h 04m
1 stop
Depart: Sat 25 Jul 2015 Return: Fri 21 Aug 2015 Trip spans 28 days
£793
Select
Aer Lingus
Aer Lingus
ORD
14:15
LHR
00:10
9h 55m
1 stop
LHR
05:50
ORD
20:05
14h 15m
1 stop
Depart: Mon 18 May 2015 Return: Mon 25 May 2015 Trip spans 8 days
£863
Select
Virgin Atlantic
Virgin Atlantic
ORD
13:55
LHR
21:55
8h 00m
nonstop
LHR
05:45
ORD
14:30
8h 45m
nonstop
Depart: Thu 23 Jul 2015 Return: Mon 27 Jul 2015 Trip spans 5 days
£888
Select
SWISS
SWISS
ORD
15:15
LHR
22:15
55h 00m
2 stops
LHR
02:00
ORD
14:25
12h 25m
1 stop
Depart: Tue 14 Jul 2015 Return: Tue 21 Jul 2015 Trip spans 8 days
£896
Select
Lufthansa
Lufthansa
ORD
17:05
LHR
01:20
8h 15m
nonstop
LHR
08:20
ORD
17:15
8h 55m
nonstop
Depart: Tue 4 Aug 2015 Return: Tue 25 Aug 2015 Trip spans 22 days
£3436
Select
British Airways
British Airways
ORD
16:35
LHR
00:20
7h 45m
nonstop
LHR
07:20
ORD
15:45
8h 25m
nonstop
Direct flights ORD - LHR on British Airways
Flight No. Departure ORD Arrival LHR Mon Tue Wed Thu Fri Sat Sun Valid between
1541 08:45 22:45 25 Apr - 3 Jun
1541 08:50 22:45 4 Jun - 17 Aug
1543 16:35 06:35 4 Jun - 8 Sep
1543 16:40 06:35 25 Apr - 3 Jun
1663 18:00 08:05 25 Apr - 2 Jun
1663 18:10 08:05 4 Jun - 23 Oct
294 18:10 08:05 9 Jun - 16 Jun
294 18:10 08:05 28 Apr - 12 May
294 18:10 08:05 13 May - 18 May
294 18:10 08:05 19 May - 2 Jun
294 18:10 08:05 25 Apr - 11 May
294 18:10 08:05 21 May - 1 Jun
294 18:10 08:05 3 Jun - 15 Jun
1663 18:40 09:00 29 Apr - 3 Jun
1663 19:05 09:00 10 Jun - 2 Sep
296 20:35 10:20 25 Apr - 23 Oct
Airports
Origin

Chicago
£564
Destination

London
£564