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English
Return from | £392 |
---|---|
One-way from | £291 |
Popular in | July |
Cheapest in | February |
Average price | £435 |
Good round-trip deal | £492 or less |
Good one-way deal | £489 or less |
Fly from
Route
Depart
Return
Price
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Sat 4/10
09:30-23:15
2 stops19h 45m
Chicago O'Hare Intl
Tue 7/10
11:45-05:55
1 stop12h 10m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Tue 30/9
07:45-16:35
2 stops14h 50m
Chicago O'Hare Intl
Tue 7/10
16:00-09:20
1 stop11h 20m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Thu 9/10
07:45-16:35
2 stops14h 50m
Chicago O'Hare Intl
Sun 12/10
10:40-06:30
1 stop13h 50m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Mon 15/12
12:15-17:20
1 stop11h 05m
Chicago O'Hare Intl
Thu 15/1
18:30-19:30
1 stop19h 00m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Sun 14/12
12:15-17:20
1 stop11h 05m
Chicago O'Hare Intl
Wed 7/1
18:30-19:30
1 stop19h 00m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Tue 9/12
12:15-17:20
1 stop11h 05m
Chicago O'Hare Intl
Wed 7/1
18:30-10:50
1 stop10h 20m
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Tue 14/10
14:00-17:53
1 stop33h 53m
Chicago O'Hare Intl
Tue 21/10
18:58-10:00
1 stop33h 02m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Sat 13/12
20:35-17:20
1 stop26h 45m
Chicago O'Hare Intl
Thu 8/1
18:30-19:30
1 stop19h 00m
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Tue 7/10
14:00-17:53
1 stop33h 53m
Chicago O'Hare Intl
Fri 5/12
06:05-10:00
1 stop21h 55m
LondonChicago
STN - ORD
STNORD
London Stansted
Fri 7/11
06:30-17:55
1 stop17h 25m
Chicago O'Hare Intl
Mon 10/11
19:40-21:20
1 stop19h 40m
On average, a flight from London to Illinois takes 17 hours 30 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 Thursday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Saturday afternoons, when prices are usually at their highest.
The most flights from London to Illinois are scheduled on a Tuesday (53 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (42 on average).
The most popular airlines flying from London to Illinois are British Airways, Lufthansa and Finnair.
The cheapest airlines flying from London to Illinois are Icelandair, Scandinavian Airlines 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).
Entertainment
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Anonymous,May 2025
FRA - DFW
Entertainment
Overall
Food
Crew
Comfort
Boarding
Reviews
Anonymous,May 2025
FRA - DFW
Entertainment
Overall
Food
Crew
Comfort
Boarding
Reviews
Anonymous,May 2025
FRA - DFW
Entertainment
Overall
Food
Crew
Comfort
Boarding
Reviews
Anonymous,May 2025
FRA - DFW
Entertainment
Overall
Food
Crew
Comfort
Boarding
Reviews
Anonymous,May 2025
FRA - DFW
Entertainment
Overall
Food
Crew
Comfort
Boarding
Reviews
Anonymous,May 2025
FRA - DFW
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.
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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.
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