Cheap First Class flights to Chicago
LHR — CHI
28 Nov — 5 Dec1
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Easily find flight tickets with no change feesCheap 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 29 October 2025.
Average Price | £1,915 |
|---|---|
Cheapest Price | £1,712 |
Top Rated Airline | British Airways |
No. of Airlines | 1 |
Arrival Airport | Chicago O'Hare Intl Airport |
Find first class flight deals to Chicago
Cheapest first class flights to ChicagoExplore 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 29 October 2025.
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 29 October 2025.
Wed 25/311:00LHR - ORD
Nonstop8h 50mBritish Airways
Mon 27/416:55ORD - LHR
Nonstop7h 55mBritish Airways
Deal found 28/10£2,436
Wed 25/315:45LHR - ORD
Nonstop9h 00mAmerican Airlines
Mon 27/421:15ORD - LHR
Nonstop8h 00mAmerican Airlines
Deal found 28/10£2,563
Thu 13/1111:00LHR - ORD
Nonstop8h 50mAmerican Airlines
Wed 3/1213:45ORD - LHR
1 stop11h 35mAmerican Airlines
Deal found 28/10£4,007
Mon 10/1111:40LHR - ORD
1 stop13h 56mAmerican Airlines
Fri 14/1116:06ORD - LHR
1 stop11h 34mAmerican Airlines
Deal found 27/10£9,407
Thu 13/1111:00LHR - ORD
Nonstop8h 50mBritish Airways
Wed 3/1221:45ORD - LHR
Nonstop7h 50mBritish Airways
Deal found 28/10£9,879
Wed 12/1110:35LHR - ORD
1 stop13h 10mAmerican Airlines
Wed 3/1221:45ORD - LHR
Nonstop7h 50mAmerican Airlines
Deal found 28/10£10,702
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).