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Cheap First Class flights to Chicago

LHR — CHI
15 Feb — 22 Feb1
1 adult
1 adult, First, 0 bags

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Cheap first 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 16 January 2026.

Top Rated Airline

British Airways

No. of Airlines

1

Arrival Airport

Chicago O'Hare Intl Airport
Most popular airline to fly first class with to Chicago in the past 7 days
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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 16 January 2026.

Tue 10/311:00
LHR
-
ORD
Nonstop8h 50m
British Airways
Tue 17/318:10
ORD
-
LHR
Nonstop7h 45m
British Airways
Deal found 13/1£3,517
Wed 11/311:00
LHR
-
ORD
Nonstop8h 50m
British Airways
Tue 17/318:10
ORD
-
LHR
Nonstop7h 45m
British Airways
Deal found 13/1£3,552
Sat 7/315:45
LHR
-
ORD
Nonstop9h 00m
American Airlines
Mon 16/318:10
ORD
-
LHR
Nonstop7h 45m
American Airlines
Deal found 13/1£3,653
Sat 7/311:00
LHR
-
ORD
Nonstop8h 50m
American Airlines
Sun 15/318:10
ORD
-
LHR
Nonstop7h 45m
American Airlines
Deal found 13/1£3,753
Sun 8/311:00
LHR
-
ORD
Nonstop8h 50m
British Airways
Wed 18/318:10
ORD
-
LHR
Nonstop7h 45m
British Airways
Deal found 13/1£4,539
Sat 7/311:00
LHR
-
ORD
Nonstop8h 50m
British Airways
Thu 19/318:10
ORD
-
LHR
Nonstop7h 45m
British Airways
Deal found 13/1£4,640

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 16 January 2026.

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

    Finnair has 3 premium cabins on its schedule for flights to Chicago: Business Class, Prem Economy 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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