Cheap flights from the United Kingdom to Chicago from £214
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from United Kingdom to Chicago
Keep the following information in mind while searching for United Kingdom to Chicago flight deals. Data was last updated 11 July 2025.
Round-trip from | £408 |
---|---|
One-way from | £214 |
Popular in | August |
Cheapest in | February |
Average price | £648 |
Good round-trip deal | £541 or less |
Good one-way deal | £598 or less |
Find flight deals from United Kingdom to Chicago
Cheapest flights from United Kingdom to ChicagoExplore the most affordable flight options available from United Kingdom to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Explore the most affordable flight options available from United Kingdom to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from United Kingdom to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 July 2025.
Use the filters below to find and compare flights from the United Kingdom to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Thu 23/10
10:35-16:10
1 stop35h 35m
Chicago O'Hare Intl
Fri 31/10
21:15-09:50
1 stop31h 35m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Mon 1/12
19:50-16:45
2 stops50h 55m
Chicago O'Hare Intl
Wed 14/1
19:20-16:00
1 stop14h 40m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Sun 24/8
18:45-16:40
1 stop27h 55m
Chicago O'Hare Intl
Sun 31/8
18:00-17:45
1 stop17h 45m
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Mon 1/9
15:40-21:15
1 stop11h 35m
Chicago O'Hare Intl
Mon 3/11
18:30-10:55
1 stop10h 25m
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Sat 20/9
09:50-04:46
2 stops24h 56m
Chicago O'Hare Intl
Mon 29/9
10:27-06:55
1 stop14h 28m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Sat 6/9
08:30-14:55
1 stop12h 25m
Chicago O'Hare Intl
Sat 13/9
21:25-11:45
Nonstop8h 20m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Sat 6/9
21:25-21:15
1 stop29h 50m
Chicago O'Hare Intl
Fri 12/9
22:15-20:20
1 stop16h 05m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Thu 18/9
09:50-15:45
1 stop11h 55m
Chicago O'Hare Intl
Tue 30/9
16:55-06:50
Nonstop7h 55m
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Tue 16/9
15:05-09:15
1 stop24h 10m
Chicago O'Hare Intl
Fri 26/9
13:59-08:10
1 stop12h 11m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Wed 10/9
08:40-15:55
1 stop13h 15m
Chicago O'Hare Intl
Sun 21/9
16:00-06:20
Nonstop8h 20m
Best time to book a flight from United Kingdom to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from United Kingdom with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from the United Kingdom to Chicago
What is the cheapest month to book a flight from United Kingdom to Chicago?
Currently, January is the cheapest month in which you can book a flight from United Kingdom to Chicago (average of £595). Flying from United Kingdom to Chicago in July is currently the most expensive (average of £843). 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.
What is the cheapest time of day to fly from GB to CHI?
Find hourly flight availability from United Kingdom to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from United Kingdom to Chicago as you normally would.
Weekly flight availability from United Kingdom to Chicago
Explore weekly flight availability from United Kingdom to Chicago. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 11 July 2025.
The most flights from GB0 to CHI are scheduled on a Monday (53 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (48 on average).
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated 11 July 2025.
Read reviews from past customers who have flown with Delta, KLM, andAir Transat from the United Kingdom to Chicago. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Overall
Boarding
Comfort
Entertainment
Crew
Reviews
Michael,Jul 2025
AMS - ATL
Food
Overall
Boarding
Comfort
Entertainment
Crew
Reviews
Michael,Jul 2025
AMS - ATL
Food
Overall
Boarding
Comfort
Entertainment
Crew
Reviews
Michael,Jul 2025
AMS - ATL
Food
Overall
Boarding
Comfort
Entertainment
Crew
Reviews
Michael,Jul 2025
AMS - ATL
Food
Overall
Boarding
Comfort
Entertainment
Crew
Reviews
Michael,Jul 2025
AMS - ATL
Food
Overall
Boarding
Comfort
Entertainment
Crew
Reviews
Michael,Jul 2025
AMS - ATL
Related info for your journey
Find useful and relevant information for your journey from United Kingdom to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for United Kingdom to Chicago
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from United Kingdom to Chicago
Discover the top 10 airlines that operate flights from United Kingdom to Chicago. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 July 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from United Kingdom to Chicago?
When you search for this flight from United Kingdom to Chicago, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Chicago?
Cheapflights simply makes it quick and affordable to book flights from United Kingdom to Chicago by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from United Kingdom to Chicago with no change fees?
Need flexible booking options for your flight to Chicago from United Kingdom? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from United Kingdom to Chicago become cheaper?
Yes, Cheapflights offers price alerts on United Kingdom to Chicago flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.