Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from London to Chicago
The cheapest flights right now
London – Chicago
Outbound – Nov 16, 2026
1 stop
11h 20m DUB
Return – Nov 30, 2026
1 stop
10h 10m DUB
$688
yesterday
London – Chicago
Outbound – Nov 19, 2026
1 stop
12h 20m DUB
Return – Dec 2, 2026
1 stop
10h 10m DUB
$683
yesterday
London – Chicago
Outbound – Nov 16, 2026
1 stop
11h 5m KEF
Return – Dec 1, 2026
1 stop
10h 20m KEF
$725
3 days ago
London – Chicago
Outbound – Nov 13, 2026
1 stop
11h 20m DUB
Return – Nov 28, 2026
1 stop
10h 10m DUB
$723
yesterday
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$435
Average price of a round trip
$754
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
9h3
A flight from London to Chicago takes on average 9h3.
Best time
January
According to user searches, the ideal month to go to Chicago is January.
Tips for finding a cheap flight from London to Chicago
Check out our tips for booking your flight to Chicago (USA) from London (United Kingdom) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is January, with an average flight ticket price of $606 (calculation over the last two years). The most touristic season corresponds to the months of September, November and October.
For the cheapest flights, it is advisable to buy your ticket at least 39 days before the departure date.
The airline offering the cheapest flight tickets is Wizz Air. A ticket from the airline Wizz Air to Chicago costs on average $716.
The airlines that offer the most flights are American Airlines, British Airways and Lufthansa.
info departure city :
London, United Kingdom
airports :
London City Airport (LCY)
London Gatwick Airport (LGW)
London Heathrow Airport (LHR)
London Luton Airport (LTN)
London-Stansted Airport (STN)
local time :
London is a city in the country United Kingdom, the time zone is [[timezone]]. In London, it is currently {fromLocalTime}, the temperature is on average 14°C, with a minimum of 11°C and a maximum of 16°C.
The city of London (LON) has 5 airport(s): London City, London Gatwick, London Heathrow, London Luton and London-Stansted
destination info :
Chicago, USA
airports :
Chicago-Merrill C. Meigs Field Airport (CGX)
Chicago FSS (CHI)
Chicago-Midway International Airport (MDW)
Chicago-O'Hare International Airport (ORD)
local time :
Chicago is in the country USA, the time zone is [[timezone]]. In Chicago, it is currently {toLocalTime}, the temperature is on average 16°C, with a minimum of 15°C and a maximum of 18°C.
The city of Chicago (CHI) has 4 airport(s): Chicago-Merrill C. Meigs Field, Chicago FSS, Chicago-Midway and Chicago-O'Hare
Useful info about Chicago
What is the least touristic period to go to Chicago?
If you want to visit Chicago during the least touristic period, choose the month of January.
What is the most popular time to travel to Chicago?
In Chicago, the most popular month is September. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from London to Chicago?
According to our data, it is recommended to book your flight 39 days before your departure. If you book your flight ticket 6 weeks before your departure, you may find a price below average. You can also choose morning flights that are 25% cheaper than afternoon and evening flights. The cheapest day to book a flight from London to Chicago is Tuesday.
What are the arrival and destination airports when traveling between London and Chicago?
When you leave, you can leave from London City, London Gatwick, London Heathrow, London Luton or London-Stansted, and you will arrive at Chicago-Midway, Chicago-O'Hare or Greater Rockford.
How to reach London airport from the city centre?
The airport London City is located 16 km, London Gatwick is located 38 km, London Heathrow is located 35 km, London Luton is located 45 km or London-Stansted is located 49 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Are there other means of transportation to go from London to Chicago?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between London and Chicago?
In summer, the average temperature is 22°C in Chicago and 18°C in London. The average rainfall in summer is 145 mm in Chicago and 63 mm in London. In summer, it is warmer in Chicago and it rains less in London. In winter, it is colder in London and it rains more in Chicago.
