Cheap flights from Chicago to London

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Flight information for Chicago to London (CHI to LON)

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)

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 December
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 morning
Chicago to London flights are approximately 8% more expensive in the evening than in the morning
What is the cheapest airline that flies to London?
Ryanair
Ryanair, Alitalia, and Norwegian 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?
49 days before
The cheapest time to buy a flight from Chicago to London is approximately 49 days to departure
60
Days before departure
0

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
07 Apr
6:35 pm
ORD
Chicago O'Hare Intl airport
7h 40m
LHR
8:15 am
+1
London Heathrow airport
Finnair
15 Apr
9:30 pm
LHR
London Heathrow airport
24h 50m
1 Stop
ORD
4:20 pm
+1
Chicago O'Hare Intl airport
$372
Icelandair
Icelandair
30 Mar
2:30 pm
ORD
Chicago O'Hare Intl airport
10h 15m
1 Stop
LGW
6:45 am
+1
London Gatwick airport
Icelandair
22 Apr
2:10 pm
LGW
London Gatwick airport
11h 10m
1 Stop
ORD
7:20 pm
Chicago O'Hare Intl airport
$377
British Airways
British Airways
20 May
12:05 pm
ORD
Chicago O'Hare Intl airport
7h 45m
LHR
1:50 am
+1
London Heathrow airport
British Airways
28 May
11:50 am
LHR
London Heathrow airport
13h 45m
1 Stop
ORD
7:35 pm
Chicago O'Hare Intl airport
$387
Norwegian Air UK
Norwegian Air UK
20 Apr
4:05 pm
ORD
Chicago O'Hare Intl airport
7h 45m
LGW
5:50 am
+1
London Gatwick airport
Norwegian Air UK
27 Apr
5:25 pm
LGW
London Gatwick airport
8h 40m
ORD
8:05 pm
Chicago O'Hare Intl airport
$418
Norwegian
Norwegian
24 May
4:05 pm
ORD
Chicago O'Hare Intl airport
7h 45m
LGW
5:50 am
+1
London Gatwick airport
Norwegian
05 Jun
5:25 pm
LGW
London Gatwick airport
8h 40m
ORD
8:05 pm
Chicago O'Hare Intl airport
$554
Brussels Airlines
Brussels Airlines
31 Mar
1:40 pm
ORD
Chicago O'Hare Intl airport
8h 20m
LHR
4:00 am
+1
London Heathrow airport
Brussels Airlines
09 Apr
7:50 am
LHR
London Heathrow airport
11h 15m
1 Stop
ORD
1:05 pm
Chicago O'Hare Intl airport
$399

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 Bristol
Fastest flight time
9h 50m
Cheapest price
$465
Indianapolis to London
Fastest flight time
13h 51m
Cheapest price
$540
Chicago to Birmingham
Fastest flight time
9h 50m
Cheapest price
$551

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.