Fly from
Route
Depart
Return
Price
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Wed 26/3
11:55-18:20
1 stop11h 25m
Chicago O'Hare Intl
Tue 1/4
19:30-11:45
1 stop10h 15m
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Thu 20/2
15:55-15:30
1 stop29h 35m
Chicago O'Hare Intl
Sun 16/3
21:25-15:45
1 stop13h 20m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Wed 23/4
11:55-10:16
1 stop28h 21m
Chicago O'Hare Intl
Sat 10/5
19:25-09:30
1 stop32h 05m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Wed 4/12
08:50-17:55
1 stop15h 05m
Chicago O'Hare Intl
Wed 11/12
19:40-13:25
1 stop11h 45m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Mon 10/3
06:40-16:50
1 stop15h 10m
Chicago O'Hare Intl
Sun 16/3
20:10-16:00
1 stop14h 50m
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Thu 5/12
10:00-15:30
3 stops35h 30m
Chicago O'Hare Intl
Sun 8/12
20:25-21:05
2 stops18h 40m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Wed 27/11
06:00-15:30
1 stop15h 30m
Chicago O'Hare Intl
Fri 6/12
20:20-18:55
1 stop16h 35m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Tue 4/3
14:10-16:50
Nonstop8h 40m
Chicago O'Hare Intl
Thu 20/3
09:55-05:55
1 stop15h 00m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Thu 5/12
09:55-15:30
2 stops35h 35m
Chicago O'Hare Intl
Sun 8/12
20:25-07:40
3 stops29h 15m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Sat 26/4
15:50-09:01
1 stop23h 11m
Chicago O'Hare Intl
Sat 3/5
13:45-06:45
1 stop11h 00m
Return from | £445 |
---|---|
One-way from | £256 |
Popular in | August |
Cheapest in | February |
Average price | £492 |
On average, a flight from London to Illinois takes 20 hours 41 minutes. Flights to Illinois from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.
Users looking for the lowest fares to Illinois should consider flying on Tuesday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Saturday evenings, when prices are usually at their highest.
The most flights from London to Illinois are scheduled on a Monday (36 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (30 on average).
The most popular airlines flying from London to Illinois are British Airways, Finnair and Lufthansa.
The cheapest airlines flying from London to Illinois are Icelandair, British Airways and TAP AIR PORTUGAL.
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.
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).
Crew
Overall
Boarding
Comfort
Entertainment
Food
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Overall
Boarding
Comfort
Entertainment
Food
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Overall
Boarding
Comfort
Entertainment
Food
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Overall
Boarding
Comfort
Entertainment
Food
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Overall
Boarding
Comfort
Entertainment
Food
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Sitting along the banks of the Mississippi River and Lake Michigan, Illinois’s accessible location has for centuries made it an important hub. Historically emigrants from Mexico, Ireland and Poland would make the long journey over in search of work and a new home. Abraham Lincoln was among those who called Illinois home and the state honoured him by naming the small city of Lincoln after him – beforehe became president.
Most travellers booking flights to Illinois would probably pick Chicago as their city of choice for its renowned restaurant scene and shopping but there’s so much more to see in including 6,900 kilometres of shoreline and more than 50 state parks, making it one of the most scenic states in the US.
Illinois’s winters are very cold and long with snow and icy winds from late November through to April. Summers, especially July and August, the weather tends to be hot and humid. The best times to visit is when the weather is perfect, in spring and autumn; tornado season can occur anytime between the months of March and May. Chicago’s summers are humid with highs of 30 degrees (Celsius) or more and its winters are bitterly cold.
Public transportation is reliable and taxis are easy to find. Driving is not recommended because of heavy traffic and parking is almost impossible to find. The El, a system operated by The Chicago Transit Authority consists of elevated trains running 24 hours a day. During the summer rush hour a River Bus is available.
Deals for Illinois flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.
Millions of users choose and trust Cheapflights to book the best flight deals to Illinois for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Certainly. Search results for flights to Illinois shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Not ready to book yet? You can track prices for flights to Illinois on Cheapflights with our Price Alerts feature and get notified when better prices are available.