Cheap flights from Chicago to London

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Chicago to London flight comparison made easy

Below you can see the best fares for your 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
Icelandair
Icelandair
22 Jan
12:30
ORD
Chicago O'Hare Intl airport
10h 20m
1 Stop
LHR
04:50
+1
London Heathrow airport
Icelandair
29 Jan
12:15
LHR
London Heathrow airport
11h 05m
1 Stop
ORD
17:20
Chicago O'Hare Intl airport
278 GBP
Finnair
Finnair
28 Apr
12:05
ORD
Chicago O'Hare Intl airport
7h 45m
LHR
01:50
+1
London Heathrow airport
Finnair
04 May
20:35
LHR
London Heathrow airport
25h 45m
1 Stop
ORD
16:20
+1
Chicago O'Hare Intl airport
284 GBP
SAS
SAS
23 Jan
10:00
ORD
Chicago O'Hare Intl airport
19h 00m
1 Stop
LHR
11:00
+1
London Heathrow airport
SAS
30 Jan
21:05
LHR
London Heathrow airport
21h 30m
1 Stop
ORD
12:35
+1
Chicago O'Hare Intl airport
290 GBP
Norwegian Air UK
Norwegian Air UK
22 Apr
16:05
ORD
Chicago O'Hare Intl airport
7h 45m
LGW
05:50
+1
London Gatwick airport
Norwegian Air UK
27 Apr
17:25
LGW
London Gatwick airport
8h 40m
ORD
20:05
Chicago O'Hare Intl airport
292 GBP
Brussels Airlines
Brussels Airlines
29 Mar
16:15
ORD
Chicago O'Hare Intl airport
8h 05m
LHR
06:20
+1
London Heathrow airport
Brussels Airlines
09 Apr
07:50
LHR
London Heathrow airport
12h 05m
1 Stop
ORD
13:55
Chicago O'Hare Intl airport
304 GBP
Austrian Airlines
Austrian Airlines
18 May
16:15
ORD
Chicago O'Hare Intl airport
8h 05m
LHR
06:20
+1
London Heathrow airport
Austrian Airlines
28 May
09:40
LHR
London Heathrow airport
13h 05m
1 Stop
ORD
16:45
Chicago O'Hare Intl airport
296 GBP

How to get the cheapest flight 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 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. The most expensive is June.
What is the cheapest day to fly to London?
Sunday
The cheapest day of the week is usually Sunday. The most expensive is usually Thursday.
When is the cheapest time to fly to London?
at midday
Chicago to London flights are approximately 22% more expensive in the evening than at midday
What is the cheapest airline that flies to London?
Virgin Atlantic
Virgin Atlantic, TAP AIR PORTUGAL, and WOW air 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?
47 days before
The cheapest time to buy a flight from Chicago to London is approximately 47 days before departure
60
Days before departure
0

Flight information for Chicago to London

Find info about flight duration, direct flights, and airports for your flight from Chicago to London
Fastest flight time 7h 30m The fastest flight from Chicago to London takes 7h 30m.
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
11h 30m
Cheapest price
307 GBP
Indianapolis to London
Fastest flight time
9h 49m
Cheapest price
395 GBP
Champaign to London
Fastest flight time
11h 54m
Cheapest price
2,771 GBP

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