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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 27 July 2026.
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 27 July 2026.
Mon 19/1013:10
LHR
-
ORD
Nonstop8h 45m
British Airways
Wed 11/1117:10
ORD
-
LHR
Nonstop7h 45m
British Airways
Deal found 24/7£4,680
Wed 2/915:15
LHR
-
ORD
Nonstop9h 00m
British Airways
Fri 30/1022:50
ORD
-
LHR
Nonstop7h 45m
British Airways
Deal found 23/7£5,606
Wed 2/915:00
LHR
-
ORD
1 stop12h 57m
American Airlines
Fri 30/1016:45
ORD
-
LHR
1 stop11h 30m
American Airlines
Deal found 23/7£5,614
Mon 19/1009:15
LHR
-
ORD
1 stop12h 50m
American Airlines
Wed 11/1116:30
ORD
-
LHR
1 stop11h 15m
American Airlines
Deal found 24/7£5,834
Best first class flights to Chicago
Discover carefully curated first class flight deals to Chicago that have cost, travel time, and stopover in mind to ensure you get the best travel experience. Data last updated 27 July 2026.
Mon 19/1013:10
LHR
-
ORD
Nonstop8h 45m
British Airways
Wed 11/1117:10
ORD
-
LHR
Nonstop7h 45m
British Airways
Deal found 24/7£4,680
Wed 2/915:00
LHR
-
ORD
1 stop12h 57m
American Airlines
Fri 30/1016:45
ORD
-
LHR
1 stop11h 30m
American Airlines
Deal found 23/7£5,614
Wed 2/915:15
LHR
-
ORD
Nonstop9h 00m
British Airways
Fri 30/1022:50
ORD
-
LHR
Nonstop7h 45m
British Airways
Deal found 23/7£5,606
Mon 19/1009:15
LHR
-
ORD
1 stop12h 50m
American Airlines
Wed 11/1116:30
ORD
-
LHR
1 stop11h 15m
American Airlines
Deal found 24/7£5,834
Wed 5/815:15
LHR
-
ORD
Nonstop9h 00m
Aer Lingus
Deal found 25/7£2,655
Tue 11/811:10
LHR
-
ORD
Nonstop8h 40m
Finnair
Deal found 23/7£8,221
Fri 25/911:10
LHR
-
ORD
Nonstop8h 40m
American Airlines
Deal found 23/7£8,299
Sat 8/815:15
LHR
-
ORD
Nonstop9h 00m
Finnair
Deal found 25/7£8,236
Sat 15/815:15
LHR
-
ORD
Nonstop9h 00m
Finnair
Deal found 25/7£8,236
Sat 1/815:15
LHR
-
ORD
Nonstop9h 00m
Finnair
Deal found 25/7£8,236
One-way first class flights to Chicago
Search for one-way first class flight options to Chicago. Find affordable one-way fares based on user searches. Data last updated 27 July 2026.
Wed 5/816:25
LHR
-
ORD
1 stop21h 17m
Multiple Airlines
Deal found 25/7£2,326
Wed 5/815:15
LHR
-
ORD
Nonstop9h 00m
Aer Lingus
Deal found 25/7£2,655
Sat 2/115:40
LHR
-
ORD
Nonstop9h 05m
British Airways
Deal found 25/7£3,536
Tue 11/811:10
LHR
-
ORD
Nonstop8h 40m
Finnair
Deal found 23/7£8,221
Sat 1/815:15
LHR
-
ORD
Nonstop9h 00m
Finnair
Deal found 25/7£8,236
Mon 17/815:15
LHR
-
ORD
Nonstop9h 00m
Finnair
Deal found 27/7£8,245
Quickest first class flights to Chicago
Explore quickest first class flight options to Chicago based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 July 2026.
Mon 19/1013:10
LHR
-
ORD
Nonstop8h 45m
British Airways
Wed 11/1117:10
ORD
-
LHR
Nonstop7h 45m
British Airways
Deal found 24/7£4,680
Wed 2/915:15
LHR
-
ORD
Nonstop9h 00m
British Airways
Fri 30/1022:50
ORD
-
LHR
Nonstop7h 45m
British Airways
Deal found 23/7£5,606
Mon 19/1009:15
LHR
-
ORD
1 stop12h 50m
American Airlines
Wed 11/1116:30
ORD
-
LHR
1 stop11h 15m
American Airlines
Deal found 24/7£5,834
Wed 2/915:00
LHR
-
ORD
1 stop12h 57m
American Airlines
Fri 30/1016:45
ORD
-
LHR
1 stop11h 30m
American Airlines
Deal found 23/7£5,614
Tue 11/811:10
LHR
-
ORD
Nonstop8h 40m
Finnair
Deal found 23/7£8,221
Fri 25/911:10
LHR
-
ORD
Nonstop8h 40m
American Airlines
Deal found 23/7£8,299
Wed 5/815:15
LHR
-
ORD
Nonstop9h 00m
Aer Lingus
Deal found 25/7£2,655
Sat 1/815:15
LHR
-
ORD
Nonstop9h 00m
Finnair
Deal found 25/7£8,236
Mon 17/815:15
LHR
-
ORD
Nonstop9h 00m
Finnair
Deal found 27/7£8,245
Mon 10/815:15
LHR
-
ORD
Nonstop9h 00m
American Airlines
Deal found 27/7£8,289
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.
GB0-CHI
LHR-ORD
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 27 July 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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