Flights from London Heathrow to Chicago

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Outbound flight: 12/05/21
07:30 LHR
15:20 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
Finnair
Return flight: 01/06/21
17:05 CHI
06:50 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
direct
Finnair
£306
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Outbound flight: 12/05/21
10:55 LHR
18:10 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
United Airlines
Return flight: 01/06/21
13:00 CHI
06:20 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
United Airlines
£307
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Outbound flight: 10/06/21
19:50 LHR
16:15 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
TAP Air Portugal
Return flight: 25/06/21
18:10 CHI
12:45 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
TAP Air Portugal
£308
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Outbound flight: 12/05/21
20:20 LHR
08:09 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
Delta Air Lines
Return flight: 01/06/21
10:50 CHI
06:40 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
Delta Air Lines
£309
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Outbound flight: 09/03/21
06:00 LHR
14:20 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
TAP Air Portugal
Return flight: 23/03/21
16:55 CHI
12:40 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
TAP Air Portugal
£314
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Outbound flight: 12/05/21
06:50 LHR
12:05 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
Brussels Airlines
Return flight: 01/06/21
17:55 CHI
10:15 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
Brussels Airlines
£315
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Outbound flight: 12/05/21
13:30 LHR
19:30 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
Lufthansa
Return flight: 01/06/21
17:55 CHI
10:15 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
Brussels Airlines, Lufthansa
£316
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Outbound flight: 14/05/21
09:00 LHR
17:10 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
Air France
Return flight: 03/06/21
06:00 CHI
07:10 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
Delta Air Lines
£317
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Outbound flight: 10/06/21
18:45 LHR
16:15 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
1 Stopover
TAP Air Portugal
Return flight: 25/06/21
18:10 CHI
12:45 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
TAP Air Portugal
£319
Check
Outbound flight: 12/05/21
07:45 LHR
10:05 CHI
London Heathrow
Chicago IL all Airports (ORD, MDW, RFD)
direct
Finnair
Return flight: 01/06/21
20:55 CHI
10:50 LHR
Chicago IL all Airports (ORD, MDW, RFD)
London Heathrow
direct
Finnair
£320
Check
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from London Heathrow to Chicago

Favourite airline: e.g. Iberia, American Airlines, British Airways
The majority of passengers on the route London Heathrow – Chicago prefer to fly with Iberia.
Iberia
4 %
American Airlines
4 %
British Airways
4 %
Tip: book 3 months before departure
Tip: book flights on this route 3 months before departure and save up to 43 %.
84 days before departure
Cheapest weekday: Wednesday
Flight tickets are cheapest on Wednesday when flights cost up to 21 % less.
Direct flights are more expensive
Direct flights on this route are £25.00 more expensive on average than flights with a stopover.
non stop flight
1 stop
2 stops
08h 55min
13h 55min
22h 50min
£283
£258
£294
The favourite connection is non-stop
37 % of travellers decide to book a direct flight on this route.
Route
bookings
Direct flights
08h 55min, from £283
37 %
1 stopover Detroit Metropolitan Wayne County Airport, MI
32h 23min, from £271
7 %
1 stopover Atlanta International Airport, GA
14h 45min, from £308
6 %
Flight information London Heathrow - Chicago
Alternative flight routes
Cheap direct flights
Flight details London Heathrow - Chicago
  • Flight duration: min. 08:45 / max. 09:15
  • Distance: 6341 km
  • Flights per week: 53
  • Return flight duration: min. 07:35 / max. 08:00
Most Popular Flight Routes
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* Prices may vary, please check the travel details given by the online travel agency before booking. Prices include taxes.