Cheap flights from Chicago to London

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Easily compare round-trip flights from Chicago to London

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 Chicago to London by changing tabs
Quickest
Cheapest
Finnair
Finnair
13 Oct
ORD
4:10 am
Chicago O'Hare Intl airport
7h 35m
5:45 pm
LHR
London Heathrow airport
Finnair
22 Oct
LHR
8:30 am
London Heathrow airport
13h 50m
1 Stop
4:20 pm
ORD
Chicago O'Hare Intl airport
363 USD
Brussels Airlines
Brussels Airlines
13 Oct
ORD
10:50 am
Chicago O'Hare Intl airport
8h 05m
12:55 am
+1
LHR
London Heathrow airport
Brussels Airlines
23 Oct
LHR
7:50 am
London Heathrow airport
12h 05m
1 Stop
1:55 pm
ORD
Chicago O'Hare Intl airport
388 USD
Lufthansa
Lufthansa
15 Oct
ORD
10:50 am
Chicago O'Hare Intl airport
8h 05m
12:55 am
+1
LHR
London Heathrow airport
Lufthansa
23 Oct
LHR
8:25 am
London Heathrow airport
12h 40m
1 Stop
3:05 pm
ORD
Chicago O'Hare Intl airport
388 USD
Norwegian Air UK
Norwegian Air UK
14 Oct
ORD
4:05 pm
Chicago O'Hare Intl airport
7h 45m
5:50 am
+1
LGW
London Gatwick airport
Norwegian Air UK
21 Oct
LGW
5:00 pm
London Gatwick airport
8h 40m
7:40 pm
ORD
Chicago O'Hare Intl airport
392 USD
Wamos Air
Wamos Air
20 Oct
ORD
4:05 pm
Chicago O'Hare Intl airport
7h 45m
5:50 am
+1
LGW
London Gatwick airport
Wamos Air
25 Oct
LGW
5:00 pm
London Gatwick airport
8h 40m
7:40 pm
ORD
Chicago O'Hare Intl airport
419 USD
Norwegian
Norwegian
13 Oct
ORD
4:05 pm
Chicago O'Hare Intl airport
7h 45m
5:50 am
+1
LGW
London Gatwick airport
Norwegian
21 Oct
LGW
5:00 pm
London Gatwick airport
8h 40m
7:40 pm
ORD
Chicago O'Hare Intl airport
606 USD

How to get the cheapest flight ticket from Chicago to London

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 London?
February
The cheapest time of year to fly to London from Chicago is February. Most expensive is June
What is the cheapest day to fly to London?
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Saturday
When is the cheapest time to fly to London?
in the afternoon
Chicago to London flights are approximately 12% more expensive in the evening than in the afternoon
What is the cheapest airline that flies to London?
Ryanair
Ryanair, WOW air, and Lufthansa are the most popular carriers operating from Chicago to London
What is the cheapest route?
Chicago O'Hare Intl - London Heathrow
Fly from Chicago O'Hare Intl to London Heathrow for the best Chicago - London flight prices
When is the cheapest time to book a flight to London?
43 days before
The cheapest time to buy a flight from Chicago to London is approximately 43 days to departure
60
Days before departure
0

Flight information for Chicago to London (LON - CHI)

Find info about flight duration, direct flights, and airports for your flight from Chicago to London
Fastest flight time 7h 35m The fastest flight from Chicago to London takes 7h 35m.
Direct flights Every day Direct flights go from Chicago to London every day.
Airports in London 6 airports There are 6 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW), London Southend (SEN)

Alternative routes for Chicago to London

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Chicago to Manchester
Fastest flight time
9h 45m
Cheapest price
467 USD
Indianapolis to London
Fastest flight time
14h 59m
Cheapest price
518 USD
Chicago to Birmingham
Fastest flight time
9h 55m
Cheapest price
565 USD
Indianapolis to Manchester
Fastest flight time
12h 35m
Cheapest price
605 USD
View more

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