Find flights
Flight research
Deals
British Airways Reviews

British Airways flights from London to Chicago O'Hare Intl Airport (LON - ORD)

LON — ORD
23 jul — 30 jul1
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 London to O'Hare Intl in 2025

Find detailed information about British Airways flights from London to O'Hare Intl. Explore the options provided by British Airways to plan your journey from London to O'Hare Intl. Data last updated 18 julho 2025.

One-way from

£451

Return from

£418

Popular in

August

Cheapest in

February

Average price (all airlines)

£671
British Airways
  • British Airways
  • 3/9
  • Nonstop
  • 8h 45m total
  • London to Chicago
Search Deals
British Airways
  • British Airways
  • 8/9-18/9
  • 1 total stop
  • 19h 45m total
  • London to Chicago
Search Deals
Highest demand for flights from London to Chicago O'Hare Intl; 10% potential price increase.
Search Deals
Best time to find cheap flights from London to Chicago O'Hare Intl; 2% potential price drop.
Search Deals
Average price for all London to Chicago O'Hare Intl flights (one-way and round-trip).
Search Deals

  • Can I get a flight from London to Chicago O'Hare Intl Airport on British Airways for under £900?

    There are 2 flights available on British Airways from London to Chicago O'Hare Intl Airport for under £900. These prices can change based on many factors including date and time. To find LON-ORD flight prices for your dates, click here.

  • How do most travelers feel about British Airways?

    The general consensus from 518 Cheapflights users is that British Airways is a 7.0/10. Select your travel dates above for updated prices on flights from London to Chicago O'Hare Intl Airport (LON-ORD).

Find British Airways flight deals from London to O'Hare Intl

Cheapest British Airways flights from London to O'Hare Intl
Explore the most affordable British Airways flight options available from London to O'Hare Intl. Find the lowest fares with prices last updated on 18 julho 2025.

seg 25/809:15LHR - ORD
Nonstop8h 40mBritish Airways
ter 30/919:10ORD - LHR
Nonstop7h 55mBritish Airways
Deal found 15/7£420
qui 7/807:00LCY - ORD
2 stops19h 11mBritish Airways
seg 11/818:55ORD - LCY
1 stop17h 30mBritish Airways
Deal found 16/7£572
seg 4/821:05LGW - ORD
1 stop22h 25mBritish Airways
seg 11/816:30ORD - LGW
1 stop12h 25mBritish Airways
Deal found 18/7£677

Travel insights for British Airways flights from London to O'Hare Intl

Get recent, data-driven insights about British Airways flights from London to O'Hare Intl including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London to Chicago O'Hare Intl Airport with British Airways?

Use this chart to determine the optimal time to book a return flight from London to O'Hare Intl. Price data was last updated on 11 July 2025.

Booking with British Airways 9 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Chicago O'Hare Intl Airport. 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 to Chicago O'Hare Intl Airport with British Airways?

Currently, the most affordable month to book a British Airways flight from London to Chicago O'Hare Intl Airport in September, with an average price of £383. Conversely, traveling with British Airways from London to Chicago O'Hare Intl Airport in July will be the most expensive, with an average cost of £513. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly British Airways flight availability from London to Chicago O'Hare Intl Airport

The most British Airways flights from LON to ORD 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 (5 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport 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 O'Hare Intl Airport when rainfall is around 43.0 mm.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 London to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from London 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.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from London to O'Hare Intl on another airline

Consider alternative airlines that service the O'Hare Intl area. Flight routes are based on user searches made on Cheapflights and were last updated on 18 julho 2025.
Lufthansa flights from London to Chicago O'Hare Intl
Finnair flights from London to Chicago O'Hare Intl

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 18 julho 2025.
British Airways
6.6
Okay
7,151 reviews
Check prices
Overview

Boarding

6.9

Comfort

6.7

Food

6.3

Entertainment

6.4

Crew

7.6

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.