Favourite airline: Finnair
7 % of flights on the route London Heathrow – Chicago are booked with Finnair.
Finnair
7 %
British Airways
6 %
Iberia
5 %
Tip: book 21 days before departure
Save up to 43 % by booking flights 21 days before departure.
21 days before departure
Direct flights are more expensive
Direct flights on this route are £13.00 more expensive on average than flights with a stopover.
non stop flight
1 stop
2 stops
09h 15min
23h 55min
37h 21min
£256
£243
£265
The favourite connection is non-stop
Direct flights are especially popular on this route. 39 % of travellers will book a non-stop flight.
Route
bookings
Direct flights
09h 15min, from £256
39 %
1 stopover Dublin
13h 30min, from £258
8 %
1 stopover Frankfurt-Main
13h 05min, from £248
7 %
Return from £243.00
Currently, flights on this route are cheapest departing on 21/01/19 and returning on 28/01/19.

£243
Cheap
£243
Expensive
£696

Flights from London Heathrow to Chicago

IDEALO: 537 Flight Offers from £243
Outbound flight: 21/01/19
19:35 LHR
13:30 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
Austrian Airlines
Return flight: 28/01/19
13:37 CHI
06:40 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
Austrian Airlines
£243
53 days ago*
Check
Outbound flight: 21/01/19
08:30 LHR
15:35 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
Deutsche Lufthansa
Return flight: 28/01/19
17:55 CHI
07:55 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
direct
United Airlines
£249
53 days ago*
Check
Outbound flight: 21/01/19
08:50 LHR
16:25 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
Swiss International Air Lines
Return flight: 28/01/19
19:20 CHI
13:00 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
Swiss International Air Lines
£253
53 days ago*
Check
Outbound flight: 21/01/19
06:00 LHR
16:25 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
Swiss International Air Lines
Return flight: 28/01/19
15:55 CHI
05:55 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
direct
United Airlines
£256
53 days ago*
Check
Outbound flight: 21/01/19
12:05 LHR
15:20 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
direct
United Airlines
Return flight: 28/01/19
13:37 CHI
06:40 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
United Airlines, Austrian Airlines
£256
53 days ago*
Check
Outbound flight: 21/01/19
06:50 LHR
13:30 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
Brussels Airlines, United Airlines
Return flight: 28/01/19
10:50 CHI
07:30 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
Air Canada
£258
53 days ago*
Check
Outbound flight: 17/10/19
08:25 LHR
15:55 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
British Airways
Return flight: 24/10/19
16:00 CHI
11:05 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
British Airways
£259
15 days ago*
Check
Outbound flight: 17/10/19
08:25 LHR
15:55 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
British Airways
Return flight: 24/10/19
09:10 CHI
22:45 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
direct
Iberia
£260
15 days ago*
Check
Outbound flight: 21/01/19
13:00 LHR
19:12 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
Air Canada
Return flight: 28/01/19
21:05 CHI
11:05 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
direct
United Airlines
£261
53 days ago*
Check
Outbound flight: 13/06/19
10:50 LHR
18:25 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
British Airways
Return flight: 20/06/19
16:40 CHI
10:00 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
British Airways
£261
5 days ago*
Check
Outbound flight: 21/01/19
12:00 LHR
19:28 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
Virgin Atlantic Airways
Return flight: 28/01/19
15:50 CHI
09:45 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
Virgin Atlantic Airways
£262
53 days ago*
Check
Outbound flight: 17/04/19
08:40 LHR
15:30 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
Swiss International Air Lines
Return flight: 17/05/19
14:00 CHI
10:25 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
United Airlines
£262
18 days ago*
Check
Outbound flight: 21/01/19
09:00 LHR
15:48 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
Air Canada
Return flight: 28/01/19
13:37 CHI
06:40 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
United Airlines
£263
53 days ago*
Check
Outbound flight: 21/01/19
09:40 LHR
16:15 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
Delta Air Lines, Virgin Atlantic Airways
Return flight: 28/01/19
14:46 CHI
06:50 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
Delta Air Lines
£265
53 days ago*
Check
Outbound flight: 21/01/19
10:30 LHR
17:51 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
2 Stopovers
Air France
Return flight: 28/01/19
15:50 CHI
09:45 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
Air France
£265
53 days ago*
Check
Outbound flight: 23/05/19
06:50 LHR
11:55 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
United Airlines
Return flight: 29/05/19
13:12 CHI
06:45 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
United Airlines
£267
60 days ago*
Check
Outbound flight: 21/01/19
12:30 LHR
21:40 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
Air France
Return flight: 28/01/19
14:46 CHI
06:50 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
Air France
£267
53 days ago*
Check
Outbound flight: 21/01/19
12:30 LHR
21:40 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
KLM
Return flight: 28/01/19
14:46 CHI
06:50 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
KLM
£269
53 days ago*
Check
Outbound flight: 17/10/19
08:30 LHR
15:05 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
ANA All Nippon Airways, Air Canada
Return flight: 24/10/19
18:25 CHI
08:30 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
direct
Austrian Airlines
£275
15 days ago*
Check
Outbound flight: 25/02/19
06:50 LHR
13:30 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
United Airlines
Return flight: 10/03/19
07:00 CHI
07:30 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
Air Canada
£276
36 days ago*
Check
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