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Cheap First Class flights to Chicago

LHR — CHI
20 Jul — 27 Jul1
1 adult

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Cheap first 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 15 July 2025.

Average Price

£3,468

Cheapest Price

£2,485

Top Rated Airline

Finnair

No. of Airlines

6

Arrival Airport

Chicago O'Hare Intl Airport
Average for return first class flights in July 2025
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Find first class flight deals to Chicago

Cheapest first class flights to Chicago
Explore the most affordable first class flight options available to Chicago. Find the lowest fares based on data from user searches, with prices last updated on 15 July 2025.

Thu 14/811:00LHR - ORD
1 stop16h 25mFinnair
Sat 30/816:57ORD - LHR
1 stop12h 08mFinnair
Deal found 15/7£4,675
Thu 14/813:10LHR - ORD
Nonstop8h 45mBritish Airways
Sat 30/819:10ORD - LHR
Nonstop7h 55mBritish Airways
Deal found 15/7£4,685
Thu 14/811:00LHR - ORD
1 stop12h 32mAmerican Airlines
Sat 30/816:57ORD - LHR
1 stop12h 08mAmerican Airlines
Deal found 14/7£4,692

Travel insights for first class flights from United Kingdom to Chicago

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

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 first class tickets

Find answers to common questions related to first class tickets for flights to Chicago. Get information on booking, amenities, upgrade options, and more. This FAQ section was last updated on 15 July 2025.

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

    It would cost one person about £3,468 to fly First Class to Chicago, usually. The lowest price a user reported recently is £2,485 (for a First Class class ticket flying from London Heathrow Airport to Chicago).

  • How much do Business Class flight tickets to Chicago cost?

    Try Business Class for your flight to Chicago instead of First Class to save up to 2%. The average price a user would pay for Business Class tickets to Chicago is £3,399.

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

    Finnair has 3 premium cabins on its schedule for flights to Chicago: Prem Economy Class, Business Class and First Class. If you prefer to see more cabin class options, you can try switching up different departure and/or arrival dates.

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