How many passenger seats are available on a flight on this route?

On average, all flights from Heathrow offer a total of 2,523 seats to Chicago per day

What is the cheapest airline for this route?

The cheapest airline for this route is American Airlines Inc. on average. American Airlines Inc. operates 80 flight per week

Cheap Flights from Heathrow to Chicago from £303

At this time of year, it’s likely that there will be 1 mm more rainfall in Chicago than in Heathrow .

In Heathrow, the weather for the next ten days is 24°C, but in Chicago it’ll be 28°C.

If you want to fly direct from Heathrow to Chicago then Sun, Mon, Tue, Wed, Thu, Fri and Sat are the days where this is possible.

Which airlines fly from Heathrow to Chicago?

American Airlines, Air Canada and Aer Lingus are just three of the 15 airlines offering flights from Heathrow to Chicago.

In the past 30 days, 153 users have been searching this flight route from Heathrow to Chicago.

How many flights depart from London Heathrow to Chicago on average per day?

Per day, 82 flights depart from London Heathrow to Chicago on average.
Morning (6am - Midday) - 72% of flight departures
Afternoon (Midday - 6pm) - 28% of flight departures

How long does the flight from London Heathrow to Chicago take?

Travellers can expect a direct flight to take approximately 9 hours, flying a distance of about 2,452 miles.

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Price	£366 - £657
Temperature	1 - 29 °C
Rainfall	17 - 109 mm

Most popular in	July	High demand for flights, 28% potential price rise
Cheapest in	March	Best time to find cheap flights, 5% potential price drop
Average price	£547	Price for this month
Cheapest price	£366	From Heathrow to Chicago

Cheap flights from Heathrow to Chicago

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The best prices from Heathrow to Chicago are usually found in March or May, booked 36 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flights from Heathrow to Chicago in August 2019

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