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Tips and tricks to help you find cheap flights from London Heathrow to Chicago

Favourite airline: e.g. British Airways, Iberia, American Airlines
12 % of flights booked on the route from London Heathrow to Chicago are booked with British Airways, Iberia and American Airlines.
British Airways
4 %
Iberia
4 %
American Airlines
4 %
Tip: book 3 months before departure
Save up to 43 % by booking flights 3 months before departure.
84 days before departure
Cheapest weekday: Wednesday
Choosing the right day of the week is worthwhile as prices of flights on this route are cheapest on Wednesday.
Stopover flights are the cheapest connection
Flights with a stopover are on average £25.00 cheaper than direct flights.
non stop flight
1 stop
2 stops
08h 55min
13h 55min
22h 50min
£283
£258
£294
The favourite connection is non-stop
Flights from London Heathrow to Chicago are most frequently booked as a direct flight.
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 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