Choose up to 3 origin airports
Enter a location to see nearby airports
Cheap flights from London to Chicago
Easily compare round-trip flights from London to Chicago
Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from London to Chicago by changing tabs
Quickest
Cheapest
Finnair
02 Nov
LHR
7:55 am
London Heathrow airport
13h 25m
1 Stop
4:20 pm
ORD
Chicago O'Hare Intl airport
08 Nov
ORD
3:05 am
Chicago O'Hare Intl airport
7h 35m
4:40 pm
LHR
London Heathrow airport
335 USD
Finnair
02 Nov
LHR
7:55 am
London Heathrow airport
13h 25m
1 Stop
4:20 pm
ORD
Chicago O'Hare Intl airport
08 Nov
ORD
3:05 am
Chicago O'Hare Intl airport
7h 35m
4:40 pm
LHR
London Heathrow airport
335 USD
British Airways
28 Oct
LHR
7:20 am
London Heathrow airport
12h 15m
1 Stop
2:35 pm
ORD
Chicago O'Hare Intl airport
04 Nov
ORD
3:05 am
Chicago O'Hare Intl airport
7h 35m
4:40 pm
LHR
London Heathrow airport
341 USD
Norwegian Air UK
21 Oct
LGW
5:00 pm
London Gatwick airport
8h 40m
7:40 pm
ORD
Chicago O'Hare Intl airport
23 Oct
ORD
4:05 pm
Chicago O'Hare Intl airport
7h 45m
5:50 am
+1
LGW
London Gatwick airport
490 USD
Norwegian
11 Oct
LGW
5:00 pm
London Gatwick airport
8h 40m
7:40 pm
ORD
Chicago O'Hare Intl airport
21 Oct
ORD
4:05 pm
Chicago O'Hare Intl airport
7h 45m
5:50 am
+1
LGW
London Gatwick airport
544 USD
British Airways
28 Oct
LHR
7:20 am
London Heathrow airport
12h 15m
1 Stop
2:35 pm
ORD
Chicago O'Hare Intl airport
04 Nov
ORD
3:05 am
Chicago O'Hare Intl airport
7h 35m
4:40 pm
LHR
London Heathrow airport
341 USD
How to get the cheapest flight ticket from London to Chicago
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Chicago?
February
The cheapest time of year to fly to Chicago from London is February. Most expensive is July
What is the cheapest day to fly to Chicago?
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Wednesday
When is the cheapest time to fly to Chicago?
in the evening
London to Chicago flights are approximately 14% more expensive at noon than in the evening
What is the cheapest airline that flies to Chicago?
Ryanair
Ryanair, easyJet, and Air Canada are the most popular carriers operating from London to Chicago
What is the cheapest route?
London Heathrow - Chicago O'Hare Intl
Fly from London Heathrow to Chicago O'Hare Intl for the best London - Chicago flight prices
When is the cheapest time to book a flight to Chicago?
59 days before
The cheapest time to buy a flight from London to Chicago is approximately 59 days to departure
60
Days before departure
0
Flight information for London to Chicago (CHI - LON)
Find info about flight duration, direct flights, and airports for your flight from London to Chicago
| Fastest flight time | 8h 40m | The fastest flight from London to Chicago takes 8h 40m. | |
| Direct flights | Every day | Direct flights go from London to Chicago every day. | |
| Airports in Chicago | 3 airports | There are 3 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Chicago Greater Rockford (RFD) |
Alternative routes for London to Chicago
Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
View more
Flights from London to:
Flights to Chicago from:
Flights to other cities in United States
Lost the lust for United States? Check out some flights to other cities in Chicago
Round-trip flights to other destinations
Lost the lust for Chicago? Check out some flights to other destinations
*Flight prices to Chicago are based on prices for economy tickets found by momondo users during searches within the last 72 hours. These prices may no longer be available.