How do most travelers feel about British Airways?

Cheapflights users who travel with British Airways (a popular airline from London Heathrow Airport to Chicago O'Hare Intl Airport) have rated them a 6.7/10. This rating comes from 8,026 reviews. If you are looking to travel LHR-ORD, search your dates above.

Can I get a flight from London Heathrow Airport to Chicago O'Hare Intl Airport on British Airways for under £670?

9 British Airways flights from LHR to ORD have recently been found on Cheapflights for under £670. Click here to find the best deals to Chicago O'Hare Intl Airport for your desired dates.

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

Booking with British Airways 54 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport 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 Heathrow Airport to Chicago O'Hare Intl Airport with British Airways?

Currently, the most affordable month to book a British Airways flight from London Heathrow Airport to Chicago O'Hare Intl Airport in February, with an average price of £435. Conversely, traveling with British Airways from London Heathrow Airport to Chicago O'Hare Intl Airport in March will be the most expensive, with an average cost of £809. 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 O'Hare Intl Airport

The most British Airways flights from LHR to ORD are scheduled on a Wednesday (6 on average). You will have fewer British Airways flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

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.

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).

£435+ British Airways Flights from Heathrow to O'Hare Intl

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.

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

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One-way

Cheapest British Airways flights from Heathrow to O'Hare Intl
Explore the most affordable British Airways flight options available from Heathrow to O'Hare Intl. Find the lowest fares with prices last updated on 4 June 2026.

Wed 15/715:15

LHR

ORD

Nonstop9h 00m

British Airways

Wed 29/719:05

ORD

LHR

Nonstop8h 00m

British Airways

Deal found 3/6£586

Mon 22/620:10

LHR

ORD

1 stop21h 19m

British Airways

Wed 8/722:20

ORD

LHR

1 stop13h 00m

British Airways

Deal found 4/6£627

Wed 10/614:45

LHR

ORD

Nonstop8h 50m

British Airways

Wed 17/620:50

ORD

LHR

Nonstop7h 40m

British Airways

Deal found 3/6£628

How do most travelers feel about British Airways?
Cheapflights users who travel with British Airways (a popular airline from London Heathrow Airport to Chicago O'Hare Intl Airport) have rated them a 6.7/10. This rating comes from 8,026 reviews. If you are looking to travel LHR-ORD, search your dates above.
Can I get a flight from London Heathrow Airport to Chicago O'Hare Intl Airport on British Airways for under £670?
9 British Airways flights from LHR to ORD have recently been found on Cheapflights for under £670. Click here to find the best deals to Chicago O'Hare Intl Airport for your desired dates.

British Airways flights from Heathrow to O'Hare Intl in 2026

One-way from	£435
Return from	£543
Popular in	March
Cheapest in	February
Average price (all airlines)	£617

British Airways
11/9
Nonstop
8h 40m total
London to Chicago

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British Airways
6/10-19/10
1 total stop
19h 30m total
London to Chicago

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Highest demand for flights from London Heathrow to Chicago O'Hare Intl; 2% potential price increase.

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Best time to find cheap flights from London Heathrow to Chicago O'Hare Intl; 2% potential price drop.

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Average price for all London Heathrow to Chicago O'Hare Intl flights (one-way and round-trip).

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When is the best time to book a flight to Chicago O'Hare Intl Airport with British Airways?

The best time to book a flight to Chicago O'Hare Intl Airport with British Airways is 54 days before departure. On average, fares are higher if you book 3 days before departure.

Which month is the cheapest to fly Economy class from London Heathrow Airport to Chicago O'Hare Intl Airport?

For Economy class flights, the cheapest month to fly this route is February. The most expensive months are March and July.

Best time to book a flight from Heathrow to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Heathrow with our price prediction graph.

LHR-ORD

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

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.

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

Cheapest British Airways flights from Heathrow to O'Hare IntlExplore the most affordable British Airways flight options available from Heathrow to O'Hare Intl. Find the lowest fares with prices last updated on 4 June 2026.

Explore the most affordable British Airways flight options available from Heathrow to O'Hare Intl. Find the lowest fares with prices last updated on 4 June 2026.

Best British Airways flights from Heathrow to O'Hare IntlDiscover carefully curated British Airways flight deals from Heathrow to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 June 2026.

Discover carefully curated British Airways flight deals from Heathrow to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 June 2026.

Direct British Airways flights from Heathrow to O'Hare IntlExplore direct British Airways flight options from Heathrow to O'Hare Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 4 June 2026.

Explore direct British Airways flight options from Heathrow to O'Hare Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 4 June 2026.

Last-minute British Airways flights from Heathrow to O'Hare IntlDiscover last-minute British Airways flight deals from Heathrow to O'Hare Intl. Data last updated 4 June 2026 and is based on user searches.

Discover last-minute British Airways flight deals from Heathrow to O'Hare Intl. Data last updated 4 June 2026 and is based on user searches.

One-way British Airways flights to O'Hare IntlSearch for one-way British Airways flight options to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 4 June 2026.

Search for one-way British Airways flight options to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 4 June 2026.

How do most travelers feel about British Airways?

Can I get a flight from London Heathrow Airport to Chicago O'Hare Intl Airport on British Airways for under £670?

British Airways flights from Heathrow to O'Hare Intl in 2026

Find detailed information about British Airways flights from Heathrow to O'Hare Intl. Explore the options provided by British Airways to plan your journey from Heathrow to O'Hare Intl. Data last updated 4 June 2026.

One-way from

Return from

Popular in

Cheapest in

Average price (all airlines)

When is the best time to book a flight to Chicago O'Hare Intl Airport with British Airways?

Which month is the cheapest to fly Economy class from London Heathrow Airport to Chicago O'Hare Intl Airport?

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

Rainfall in O'Hare Intl by month

Temperature in O'Hare Intl by month

Best time to book a flight from Heathrow to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Heathrow with our price prediction graph.

Browse thousands of different options on Cheapflights for your next trip

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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 4 June 2026.

Complete your trip

Complete your trip to O'Hare Intl by adding a car hire and/or hotel booking to your travel itinerary.

Other airlines servicing Heathrow and O'Hare Intl

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Other popular destinations in North America

If O'Hare Intl is not for you, choose from these other destinations located in North America. Flight routes are based on user searches made on Cheapflights and were last updated on 4 June 2026.

Popular flights with British Airways

Browse through some of the most popular routes that British Airways offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 4 June 2026.

See what others are saying about British Airways

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Cheapest British Airways flights from Heathrow to O'Hare Intl
Explore the most affordable British Airways flight options available from Heathrow to O'Hare Intl. Find the lowest fares with prices last updated on 4 June 2026.

Best British Airways flights from Heathrow to O'Hare Intl
Discover carefully curated British Airways flight deals from Heathrow to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 June 2026.

Direct British Airways flights from Heathrow to O'Hare Intl
Explore direct British Airways flight options from Heathrow to O'Hare Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 4 June 2026.

Last-minute British Airways flights from Heathrow to O'Hare Intl
Discover last-minute British Airways flight deals from Heathrow to O'Hare Intl. Data last updated 4 June 2026 and is based on user searches.

One-way British Airways flights to O'Hare Intl
Search for one-way British Airways flight options to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 4 June 2026.