Cheap flights from the United Kingdom to Illinois from £370
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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from United Kingdom to Illinois
Discover tips and strategies to find the most affordable flight options for your journey from United Kingdom (GB0) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 December 2024.
Find flight deals from United Kingdom to Illinois
Cheapest flights from United Kingdom to IllinoisExplore the most affordable flight options available from United Kingdom to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 December 2024.
Explore the most affordable flight options available from United Kingdom to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 December 2024.
Find flights from United Kingdom to Illinois within your budget
Customise your flight search to find flights from United Kingdom to Illinois 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 22 December 2024.
Fly from
Fly to
Route
Depart
Return
Price
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Fri 17/1
11:55-17:20
1 stop11h 25m
Chicago O'Hare Intl
Fri 24/1
18:30-10:55
1 stop10h 25m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Tue 21/1
11:55-14:45
Nonstop8h 50m
Chicago O'Hare Intl
Thu 15/5
21:30-17:05
1 stop13h 35m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Mon 27/1
11:55-14:45
Nonstop8h 50m
Chicago O'Hare Intl
Wed 14/5
17:30-07:20
Nonstop7h 50m
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Sat 11/1
18:45-13:40
2 stops48h 55m
Chicago O'Hare Intl
Mon 20/1
19:05-17:50
1 stop16h 45m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Tue 7/1
12:05-21:43
2 stops15h 38m
Chicago O'Hare Intl
Sun 12/1
18:08-06:40
1 stop30h 32m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Fri 4/4
06:40-16:10
1 stop15h 30m
Chicago O'Hare Intl
Thu 17/4
19:15-16:00
1 stop14h 45m
LondonChicago
LHR - MDW
LHRMDW
London Heathrow
Mon 13/1
08:40-18:14
2 stops15h 34m
Chicago Midway
Mon 27/1
12:44-10:35
1 stop15h 51m
LondonChicago
LCY - ORD
LCYORD
London City
Wed 12/2
09:20-14:30
1 stop11h 10m
Chicago O'Hare Intl
Wed 19/2
06:15-08:10
2 stops19h 55m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Thu 2/1
06:50-12:15
1 stop11h 25m
Chicago O'Hare Intl
Mon 20/1
17:50-07:55
Nonstop8h 05m
LondonChicago
LCY - ORD
LCYORD
London City
Mon 20/1
19:10-12:15
2 stops23h 05m
Chicago O'Hare Intl
Mon 27/1
19:05-08:45
1 stop31h 40m
Best time to book a flight from United Kingdom to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from United Kingdom with our price prediction graph.
Travel insights for flights from United Kingdom to Illinois
Get recent, data-driven insights about flights from United Kingdom to Illinois including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from United Kingdom to Illinois?
Currently, January is the cheapest month in which you can book a flight from United Kingdom to Illinois (average of £595). Flying from United Kingdom to Illinois 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 IL?
Find hourly flight availability from United Kingdom to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 December 2024.
When flying from United Kingdom to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from United Kingdom to Illinois
Explore weekly flight availability from United Kingdom to Illinois. 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 22 December 2024.
The most flights from GB0 to USIL are scheduled on a Saturday (39 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (38 on average).
Rainfall in Illinois by month
Plan your trip to Illinois by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Illinois 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 Illinois when rainfall is around 43.0 mm.
Temperature in Illinois by month
Plan your trip to Illinois by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Illinois, 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).
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated 22 December 2024.
To help decide which airline to fly from United Kingdom to Illinois, see what other customers have to say about SWISS, Scandinavian Airlines and Lufthansa. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Comfort
Food
Crew
Overall
Boarding
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Entertainment
Comfort
Food
Crew
Overall
Boarding
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Entertainment
Comfort
Food
Crew
Overall
Boarding
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Entertainment
Comfort
Food
Crew
Overall
Boarding
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Entertainment
Comfort
Food
Crew
Overall
Boarding
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Related info for your journey
Find useful and relevant information for your journey from United Kingdom to Illinois. 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 Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from United Kingdom to Illinois
Discover the top 10 airlines that operate flights from United Kingdom to Illinois. 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 22 December 2024.
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 Illinois?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Illinois from United Kingdom today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Illinois?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from United Kingdom.
Can Cheapflights find flights from United Kingdom to Illinois with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from United Kingdom to Illinois, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from United Kingdom to Illinois become cheaper?
Yes, Cheapflights offers price alerts on United Kingdom to Illinois 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.