British Airways flights from London Heathrow Airport to Chicago (LHR - CHI)
Cheapflights users flying from London to Chicago on British Airways typically fly into Chicago O'Hare Intl and depart from London Heathrow. Select your dates above for pricing.
British Airways flights from Heathrow to Chicago in 2025
Find detailed information about British Airways flights from Heathrow to Chicago. Explore the options provided by British Airways to plan your journey from Heathrow to Chicago. Data last updated 30 April 2025.
Find British Airways flight deals from Heathrow to Chicago
Cheapest British Airways flights from Heathrow to ChicagoExplore the most affordable British Airways flight options available from Heathrow to Chicago. Find the lowest fares with prices last updated on 30 April 2025.
Explore the most affordable British Airways flight options available from Heathrow to Chicago. Find the lowest fares with prices last updated on 30 April 2025.
Travel insights for British Airways flights from Heathrow to Chicago
Get recent, data-driven insights about British Airways flights from Heathrow to Chicago including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from London Heathrow Airport to Chicago with British Airways?
Use this chart to determine the optimal time to book a return flight from Heathrow to Chicago. Price data was last updated on 25 April 2025.
Booking with British Airways 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Chicago. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from London Heathrow Airport to Chicago with British Airways?
Currently, the most affordable month to book a British Airways flight from London Heathrow Airport to Chicago in February, with an average price of £392. Conversely, traveling with British Airways from London Heathrow Airport to Chicago in July will be the most expensive, with an average cost of £521. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
Weekly British Airways flight availability from London Heathrow Airport to Chicago
The most British Airways flights from LHR to CHI are scheduled on a Monday (6 on average). You will have fewer British Airways flight options on Sunday, which is when the least amount of flights are scheduled (4 on average).
Rainfall in Chicago by month
Plan your trip to Chicago by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Chicago ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago when rainfall is around 43.0 mm.
Temperature in Chicago by month
Plan your trip to Chicago by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).
Best time to book a flight from Heathrow to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Heathrow with our price prediction graph.
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Other British Airways flights from Heathrow
Browse through other British Airways flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 30 April 2025.
See what others are saying about British Airways
Read reviews and see what other travellers are saying about their experiences with British Airways. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing British Airways for your next flight. Reviews last updated 30 April 2025.
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