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British Airways flights from London Heathrow Airport to Chicago (LHR - CHI)

LHR — CHI
10 ago — 17 ago1
1 adult

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 5 agosto 2025.

One-way from

£459

Return from

£437

Popular in

July

Cheapest in

February

Average price (all airlines)

£647
British Airways
  • British Airways
  • 18/11
  • Nonstop
  • 8h 50m total
  • London to Chicago
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British Airways
  • British Airways
  • 22/11-7/12
  • Nonstop
  • 16h 40m total
  • London to Chicago
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Highest demand for flights from London Heathrow to Chicago; 12% potential price increase.
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Best time to find cheap flights from London Heathrow to Chicago; 2% potential price drop.
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Average price for all London Heathrow to Chicago flights (one-way and round-trip).
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  • Can I get a flight from London Heathrow Airport to Chicago on British Airways for under £900?

    There are 1 flights available on British Airways from London Heathrow Airport to Chicago for under £900. These prices can change based on many factors including date and time. To find LHR-CHI flight prices for your dates, click here.

  • How do most travelers feel about British Airways?

    The general consensus from 524 Cheapflights users is that British Airways is a 7.0/10. Select your travel dates above for updated prices on flights from London Heathrow Airport to Chicago (LHR-CHI).

Find British Airways flight deals from Heathrow to Chicago

Cheapest British Airways flights from Heathrow to Chicago
Explore the most affordable British Airways flight options available from Heathrow to Chicago. Find the lowest fares with prices last updated on 5 agosto 2025.

mer 3/915:30LHR - ORD
Nonstop8h 45mBritish Airways
sab 13/916:55ORD - LHR
Nonstop7h 55mBritish Airways
Deal found 4/8£437

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 1 August 2025.

Booking with British Airways 27 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 £390. Conversely, traveling with British Airways from London Heathrow Airport to Chicago in July will be the most expensive, with an average cost of £518. 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 Thursday, which is when the least amount of flights are scheduled (5 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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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Fly from Heathrow to Chicago on another airline

Consider alternative airlines that service the Chicago area. Flight routes are based on user searches made on Cheapflights and were last updated on 5 agosto 2025.
Finnair flights from London Heathrow to Chicago

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 5 agosto 2025.
British Airways
6.6
Okay
7,235 reviews
Check prices
Overview

Entertainment

6.4

Crew

7.6

Boarding

6.9

Comfort

6.7

Food

6.3

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