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
Norwegian Air UK
Norwegian Air UK
20 Apr
ORD
4:05 pm
Chicago O'Hare Intl airport
7h 45m
5:50 am
+1
LGW
London Gatwick airport
Norwegian Air UK
27 Apr
LGW
5:25 pm
London Gatwick airport
8h 40m
8:05 pm
ORD
Chicago O'Hare Intl airport
362 USD
Norwegian Air UK
Norwegian Air UK
20 Apr
ORD
4:05 pm
Chicago O'Hare Intl airport
7h 45m
5:50 am
+1
LGW
London Gatwick airport
Norwegian Air UK
27 Apr
LGW
5:25 pm
London Gatwick airport
8h 40m
8:05 pm
ORD
Chicago O'Hare Intl airport
362 USD
Finnair
Finnair
27 Apr
ORD
4:05 am
Chicago O'Hare Intl airport
7h 40m
5:45 pm
LHR
London Heathrow airport
Finnair
05 May
LHR
8:30 am
London Heathrow airport
13h 50m
1 Stop
4:20 pm
ORD
Chicago O'Hare Intl airport
366 USD
Norwegian Air UK
Norwegian Air UK
20 Apr
ORD
4:05 pm
Chicago O'Hare Intl airport
7h 45m
5:50 am
+1
LGW
London Gatwick airport
Norwegian Air UK
27 Apr
LGW
5:25 pm
London Gatwick airport
8h 40m
8:05 pm
ORD
Chicago O'Hare Intl airport
362 USD
Norwegian Air UK
Norwegian Air UK
20 Apr
ORD
4:05 pm
Chicago O'Hare Intl airport
7h 45m
5:50 am
+1
LGW
London Gatwick airport
Norwegian Air UK
27 Apr
LGW
5:25 pm
London Gatwick airport
8h 40m
8:05 pm
ORD
Chicago O'Hare Intl airport
362 USD
Austrian Airlines
Austrian Airlines
19 Apr
ORD
4:15 pm
Chicago O'Hare Intl airport
8h 05m
6:20 am
+1
LHR
London Heathrow airport
Austrian Airlines
24 Apr
LHR
9:30 am
London Heathrow airport
8h 50m
12:20 pm
ORD
Chicago O'Hare Intl airport
433 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 11% more expensive in the evening than in the afternoon
What is the cheapest airline that flies to London?
Ryanair
Ryanair, Alitalia, and Lufthansa are the most popular carriers operating from Chicago to London
What is the cheapest route?
Chicago O'Hare Intl - London Gatwick
Fly from Chicago O'Hare Intl to London Gatwick for the best Chicago - London flight prices
When is the cheapest time to book a flight to London?
48 days before
The cheapest time to buy a flight from Chicago to London is approximately 48 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 Birmingham
Fastest flight time
13h 25m
Cheapest price
574 USD
Indianapolis to London
Fastest flight time
10h 05m
Cheapest price
578 USD

Flights from Chicago to:

*Flight prices to London 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.