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Cheap Business Class flights to Chicago

LHR — CHI
14 Dec — 21 Dec1
1 adult
1 adult, Business, 0 bags

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Cheap business class flights to Chicago in 2025

Find the latest flights to Chicago in 2025, 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 14 November 2025.

Top Rated Airline

Icelandair

No. of Airlines

10

Arrival Airport

Chicago O'Hare Intl Airport
Most popular airline to fly business class with to Chicago in the past 7 days
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Find business class flight deals to Chicago

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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 14 November 2025.

Mon 23/311:55MAN - ORD
1 stop11h 25mIcelandair
Tue 24/319:30ORD - MAN
1 stop10h 15mIcelandair
Deal found 12/11£949
Mon 2/320:35LHR - ORD
1 stop26h 45mIcelandair
Sun 8/319:30ORD - LHR
1 stop19h 00mIcelandair
Deal found 13/11£964
Sat 28/220:35LHR - ORD
1 stop26h 45mIcelandair
Sat 7/318:30ORD - LHR
1 stop19h 00mIcelandair
Deal found 13/11£987
Wed 22/413:05LHR - ORD
1 stop11h 10mIcelandair
Sun 26/419:25ORD - LHR
1 stop10h 30mIcelandair
Deal found 12/11£996
Sat 21/320:35LHR - ORD
1 stop26h 45mIcelandair
Sun 29/319:25ORD - LHR
1 stop10h 30mIcelandair
Deal found 13/11£1,002
Thu 23/415:40LGW - ORD
1 stop32h 35mIcelandair
Sun 26/422:40ORD - LGW
1 stop10h 00mIcelandair
Deal found 12/11£1,019

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.

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

Currently, February is the cheapest month in which you can book a Business Class flight from United Kingdom to Chicago (average of £995). Flying from United Kingdom to Chicago in November is currently the most expensive (average of £1,996). 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.

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 14 November 2025.

  • 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: Prem Economy Class, Business Class and First Class.

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

    Currently, February is the cheapest month in which you can book a Business Class flight from United Kingdom to Chicago (average of £995). Flying from United Kingdom to Chicago in November is currently the most expensive (average of £1,996). 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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