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Cheap Business Class flights to Chicago

LHR — CHI
16 Aug — 23 Aug1
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 17 July 2026.

Average Price

£3,910

Cheapest Price

£2,712

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 17 July 2026.

Mon 9/1120:35
LHR
-
ORD
1 stop26h 45m
Icelandair
Mon 16/1118:30
ORD
-
LHR
1 stop19h 00m
Icelandair
Deal found 16/7£1,512
Thu 31/1212:15
LHR
-
ORD
1 stop11h 05m
Icelandair
Mon 4/118:30
ORD
-
LHR
1 stop19h 00m
Icelandair
Deal found 14/7£1,527
Thu 17/1220:35
LHR
-
ORD
1 stop26h 45m
Icelandair
Tue 22/1218:30
ORD
-
LHR
1 stop10h 20m
Icelandair
Deal found 13/7£1,531
Tue 22/1211:55
MAN
-
ORD
1 stop11h 25m
Icelandair
Tue 29/1218:30
ORD
-
MAN
1 stop10h 15m
Icelandair
Deal found 15/7£1,534
Tue 22/921:25
LHR
-
ORD
1 stop30h 00m
Icelandair
Fri 25/922:25
ORD
-
LHR
1 stop15h 55m
Icelandair
Deal found 15/7£1,537
Sun 20/1211:55
LGW
-
ORD
1 stop11h 25m
Icelandair
Sun 10/118:30
ORD
-
LGW
1 stop10h 25m
Icelandair
Deal found 13/7£1,555

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 January.

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).

How far ahead should I book a Business Class flight to Chicago?

Booking a Business Class flight 53 days in advance of your planned departure date is, on average, the best time to get cheap flights to Chicago. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 17 July 2026.

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

    It would cost one person about £3,910 to fly Business Class to Chicago, usually. The lowest price a user reported recently is £2,712 (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 £1,429. For what you get as travel perks, Prem Economy Class cabin is a great alternative to Business Class. Business Class tickets are also usually 64% 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 £1,551). Flying from United Kingdom to Chicago in October is currently the most expensive (average of £3,599). 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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