Flights Europe United Kingdom London Chicago - London

Flights from Chicago to London

Depart
Return
Any month
Compare vs momondo |

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
Finnair
Finnair
ORD
15:55
Chicago O'Hare Intl airport
7h 50m
05:45
+1
LHR
London Heathrow airport
Finnair
LHR
11:45
London Heathrow airport
13h 45m
1 Stop
19:30
ORD
Chicago O'Hare Intl airport
238 GBP
Finnair
Finnair
ORD
15:55
Chicago O'Hare Intl airport
7h 50m
05:45
+1
LHR
London Heathrow airport
Finnair
LHR
11:45
London Heathrow airport
13h 45m
1 Stop
19:30
ORD
Chicago O'Hare Intl airport
238 GBP
Finnair
Finnair
ORD
15:55
Chicago O'Hare Intl airport
7h 50m
05:45
+1
LHR
London Heathrow airport
Finnair
LHR
08:30
London Heathrow airport
13h 50m
1 Stop
16:20
ORD
Chicago O'Hare Intl airport
296 GBP
Brussels Airlines
Brussels Airlines
ORD
13:25
Chicago O'Hare Intl airport
8h 05m
03:30
+1
LHR
London Heathrow airport
Brussels Airlines
LHR
07:50
London Heathrow airport
12h 05m
1 Stop
13:55
ORD
Chicago O'Hare Intl airport
308 GBP
Brussels Airlines
Brussels Airlines
ORD
13:25
Chicago O'Hare Intl airport
8h 05m
03:30
+1
LHR
London Heathrow airport
Brussels Airlines
LHR
07:50
London Heathrow airport
12h 05m
1 Stop
13:55
ORD
Chicago O'Hare Intl airport
308 GBP
Aer Lingus
Aer Lingus
ORD
12:00
Chicago O'Hare Intl airport
10h 05m
1 Stop
04:05
+1
LHR
London Heathrow airport
Aer Lingus
LHR
09:50
London Heathrow airport
11h 10m
1 Stop
15:00
ORD
Chicago O'Hare Intl airport
483 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
CHEAPEST MONTH TO FLY
February
The cheapest time of year to fly to London from Chicago is February. The most expensive is July.
CHEAPEST DAY TO FLY
Sunday
The cheapest day of the week is usually Sunday. The most expensive is usually Thursday.
CHEAPEST TIME TO FLY
in the afternoon
Chicago to London flights are approximately 8% more expensive at midday than in the afternoon
CHEAPEST AIRLINE
Ryanair
Ryanair, TAP AIR PORTUGAL, and SWISS 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
40 days before
The cheapest time to buy a flight from Chicago to London is approximately 40 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 40m
The fastest flight from Chicago to London takes 7h 40m.
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


Cost comparison between Chicago and London

Compare the costs of everyday items in Chicago and London
Food
Inexpensive restaurant
11 GBP
Chicago
15 GBP
London
Fast food
McDonald's meal
5 GBP
Chicago
5.89 GBP
London
Soft drink
0.33 liter
1 GBP
Chicago
1.32 GBP
London
Coffee
Cappuccino
3 GBP
Chicago
2.69 GBP
London
Public transport
One-way ticket
2 GBP
Chicago
2.46 GBP
London

Flights from Chicago to:

Flights to London from:

Flights Europe United Kingdom London Chicago - London