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
Delta
Delta
15 Nov
ORD
8:50 am
Chicago O'Hare Intl airport
12h 55m
1 Stop
3:45 am
+1
LHR
London Heathrow airport
Delta
17 Nov
LHR
8:40 am
London Heathrow airport
11h 55m
1 Stop
2:35 pm
ORD
Chicago O'Hare Intl airport
312 USD
Delta
Delta
15 Nov
ORD
8:50 am
Chicago O'Hare Intl airport
12h 55m
1 Stop
3:45 am
+1
LHR
London Heathrow airport
Delta
17 Nov
LHR
8:40 am
London Heathrow airport
11h 55m
1 Stop
2:35 pm
ORD
Chicago O'Hare Intl airport
312 USD
Lufthansa
Lufthansa
04 Aug
ORD
4:15 pm
Chicago O'Hare Intl airport
8h 05m
6:20 am
+1
LHR
London Heathrow airport
Lufthansa
21 Aug
LHR
8:25 am
London Heathrow airport
12h 40m
1 Stop
3:05 pm
ORD
Chicago O'Hare Intl airport
391 USD
Norwegian
Norwegian
16 Aug
ORD
4:05 pm
Chicago O'Hare Intl airport
7h 45m
5:50 am
+1
LGW
London Gatwick airport
Norwegian
25 Aug
LGW
5:00 pm
London Gatwick airport
8h 40m
7:40 pm
ORD
Chicago O'Hare Intl airport
674 USD
Brussels Airlines
Brussels Airlines
12 Aug
ORD
1:25 pm
Chicago O'Hare Intl airport
8h 05m
3:30 am
+1
LHR
London Heathrow airport
Brussels Airlines
22 Aug
LHR
7:50 am
London Heathrow airport
12h 05m
1 Stop
1:55 pm
ORD
Chicago O'Hare Intl airport
391 USD
Brussels Airlines
Brussels Airlines
12 Aug
ORD
1:25 pm
Chicago O'Hare Intl airport
8h 05m
3:30 am
+1
LHR
London Heathrow airport
Brussels Airlines
22 Aug
LHR
7:50 am
London Heathrow airport
12h 05m
1 Stop
1:55 pm
ORD
Chicago O'Hare Intl airport
391 USD

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
CHEAPEST MONTH TO FLY
February
The cheapest time of year to fly to London from Chicago is February. Most expensive is July
CHEAPEST DAY TO FLY
Sunday
The cheapest day of the week is typically Sunday. The most expensive is typically Saturday
CHEAPEST TIME TO FLY
in the Afternoon
Chicago to London flights are approximately 10% more expensive in the Evening than in the Afternoon
CHEAPEST AIRLINE
Ryanair
Ryanair, CityJet, and WOW air are the most popular carriers operating from Chicago to London
CHEAPEST ROUTE
Chicago O'Hare Intl - London Heathrow
Fly from Chicago O'Hare Intl to London Heathrow for the best Chicago - London flight prices
CHEAPEST TIME TO BOOK
45 days before
The cheapest time to buy a flight from Chicago to London is approximately 45 days to 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 45m
The fastest flight from Chicago to London takes 7h 45m.
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

Flights from Chicago to:

  • London
  • England
  • United Kingdom
  • Europe

Flights to London from:

  • Chicago
  • Illinois
  • United States
  • North America