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Cheap Business Class flights to Chicago

LHR — CHI
27 Aug — 3 Sep1
1 adult
1 adult, Business, 0 bags

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Cheap business class flights to Chicago in 2026

Find the latest flights to Chicago in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data were last updated on 28 July 2026.

Average Price

£4,372

Cheapest Price

£3,009

Top Rated Airline

Icelandair

No. of Airlines

9

Arrival Airport

Chicago O'Hare Intl Airport
Average for return business class flights in July 2026
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The lowest price for a business class flight ticket to Chicago
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Most popular airline to fly business class with to Chicago in the past 7 days
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Cheapest business class flights to Chicago
Explore the most affordable business class flight options available to Chicago. Find the lowest fares based on data from user searches, with prices last updated on 28 July 2026.

Sat 21/1108:55
LHR
-
ORD
1 stop13h 20m
Air France
Fri 27/1118:19
ORD
-
LHR
1 stop11h 21m
Air France
Deal found 28/7£787
Wed 16/1212:15
LHR
-
ORD
1 stop11h 05m
Icelandair
Mon 4/118:30
ORD
-
LHR
1 stop19h 00m
Icelandair
Deal found 28/7£1,517
Sun 20/1220:35
LHR
-
ORD
1 stop26h 45m
Icelandair
Wed 6/118:30
ORD
-
LHR
1 stop10h 20m
Icelandair
Deal found 27/7£1,518
Thu 24/1211:55
LGW
-
ORD
1 stop11h 25m
Icelandair
Thu 31/1218:30
ORD
-
LGW
1 stop10h 25m
Icelandair
Deal found 27/7£1,542
Thu 19/1112:15
LHR
-
ORD
1 stop11h 05m
Icelandair
Mon 30/1118:30
ORD
-
LHR
1 stop10h 20m
Icelandair
Deal found 27/7£1,542
Sun 25/1020:35
LHR
-
ORD
1 stop26h 45m
Icelandair
Sun 1/1118:30
ORD
-
LHR
1 stop19h 00m
Icelandair
Deal found 24/7£1,546

Travel insights for business class flights from United Kingdom to Chicago

Get recent, data-driven insights about business class flights from United Kingdom to Chicago including ideal travel times, pricing trends, and more.

Which month is the cheapest to fly Business Class from the United Kingdom to Chicago?

For Business Class flights, the cheapest month to fly this route is December. The most expensive months are October and November.

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).

Frequently asked questions about Chicago business class tickets

Find answers to common questions related to Business Class tickets for flights to Chicago. Get information on booking, amenities, upgrade options, and more. This FAQ section was last updated on 28 July 2026.

  • What is the cheapest price for a Business Class ticket to Chicago?

    It would cost one person about £4,372 to fly Business Class to Chicago, usually. The lowest price a user reported recently is £3,009 (for a Business Class class ticket flying from London Heathrow Airport to Chicago).

  • How much do Prem Economy Class flight tickets to Chicago cost?

    The average price for a Prem Economy Class ticket to Chicago recently is £1,503. For what you get as travel perks, Prem Economy Class cabin is a great alternative to Business Class. Business Class tickets are also usually 66% more expensive.

  • How many premium cabins does Finnair have for flights to Chicago?

    Travellers who want to experience premium cabins usually book through Finnair, the most popular airline with flights to Chicago. There are 3 premium cabins provided right now: Business Class, Prem Economy Class and First Class.

  • What is the cheapest month to book a Business Class flight from United Kingdom to Chicago?

    Currently, December is the cheapest month in which you can book a Business Class flight from United Kingdom to Chicago (average of £1,600). Flying from United Kingdom to Chicago in October is currently the most expensive (average of £3,684). There are several factors that can impact the price of a flight, so comparing airlines, departure airports, and flight times can provide users with more options.

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