Compare all flight tickets and find cheap flights from London to Chicago

The best flight deals right now

London – Chicago
Outbound – Feb 2, 2025
BALHR
direct
8h 50m
ORD
Return – Feb 10, 2025
BAORD
direct
7h 40m
LHR
£503
14 days ago
London – Chicago
Outbound – Feb 2, 2025
BALHR
direct
8h 50m
ORD
Return – Feb 10, 2025
BAORD
direct
7h 50m
LHR
£500
14 days ago
London – Chicago
Outbound – Feb 2, 2025
AYLHR
direct
8h 50m
ORD
Return – Feb 10, 2025
AYORD
direct
7h 40m
LHR
£505
14 days ago
London – Chicago
Outbound – Aug 19, 2025
BALHR
direct
8h 35m
ORD
Return – Sep 6, 2025
BAORD
direct
7h 35m
LHR
£577
14 days ago

* Prices are in GBP per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that ticket availability and prices are subject to change and should not be considered as the final price quoted.

Cheapest flight

£286

Price observed over the last 3 months for a round trip.

Average price of a round trip

£532

Average price recorded over the last 3 months for a round trip.

Flight duration

8h45

A flight from London to Chicago takes on average 8h45.

Best time

July

According to user searches, the ideal month to go to Chicago is July.

The best flight deals for a week

London – Chicago
Outbound – Feb 2, 2025
BALHR
direct
8h 50m
ORD
Return – Feb 10, 2025
BAORD
direct
7h 40m
LHR
£503
14 days ago
London – Chicago
Outbound – Feb 2, 2025
BALHR
direct
8h 50m
ORD
Return – Feb 10, 2025
BAORD
direct
7h 50m
LHR
£500
14 days ago
London – Chicago
Outbound – Feb 2, 2025
AYLHR
direct
8h 50m
ORD
Return – Feb 10, 2025
AYORD
direct
7h 40m
LHR
£505
14 days ago

* Prices are in GBP per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that ticket availability and prices are subject to change and should not be considered as the final price quoted.

Tips for finding cheap flights 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 November, with an average ticket price of £391 (calculation over the last two years). The most touristic season corresponds to the months of October, November and December.
For an attractive price, it is advisable to buy your flight tickets at least 314 days before the departure date.

The airline offering the cheapest tickets is Ryanair. A ticket from the company Ryanair to Chicago costs on average £286.
The airlines that offer the most flights are Finnair and Finnair.

Price of flight tickets from London to Chicago

Here is some information and tips to know before booking your flight:

  • Flight ticket prices range from £286 to £944
  • The average price of a flight ticket is about £532
  • Prices are lowest for stays in the month of November
  • The month in which booking a ticket is cheaper is: October
info departure city :
London, United Kingdom
airports :
London Heathrow Airport (LHR)
London Gatwick Airport (LGW)
London Luton Airport (LTN)
London-Stansted Airport (STN)
London City Airport (LCY)
local time :

London is a city in the country United Kingdom, the time zone is GMT +0. In London, it is currently {fromLocalTime}, the temperature is on average 4°C, with a minimum of 3°C and a maximum of 5°C.

The city of London (LON) has 5 airport(s): London Heathrow, London Gatwick, London Luton, London-Stansted and London City

destination info :
Chicago, USA
airports :
Chicago-O'Hare International Airport (ORD)
Chicago-Midway International Airport (MDW)
Chicago-Merrill C. Meigs Field Airport (CGX)
Chicago FSS (CHI)
local time :

Chicago is in the country USA, the time zone is GMT . In Chicago, it is currently {toLocalTime}, the temperature is on average -1°C, with a minimum of -2°C and a maximum of -1°C.

The city of Chicago (CHI) has 4 airport(s): Chicago-O'Hare, Chicago-Midway, Chicago-Merrill C. Meigs Field and Chicago FSS

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 July.

What is the most popular time to travel to Chicago?

In Chicago, the most touristic month is October. It is during this period that the prices offered by airlines are also the highest.

When should I book my flight London - Chicago?

According to our data, it is recommended to book your flight 314 days before your departure. If you book your flight ticket 45 weeks before your departure, you may find a price below average. The cheapest day to book a flight London - Chicago is Saturday.

What are the arrival and destination airports when travelling between London and Chicago?

When you leave, you can leave from London Gatwick, London Heathrow or London-Stansted, and you will arrive at Chicago-O'Hare.

How to reach London airport from the city centre?

The airport London Heathrow is located 35 km, London Gatwick is located 38 km, London Luton is located 45 km, London-Stansted is located 49 km or London City is located 16 km from the city centre. You can access it by using public transport, taking a taxi, or renting a car..

Are there other means of transport to go from London to Chicago?

Flights are the only means of transport 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 130 mm in Chicago and 66 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.

Prepare your stay in Chicago

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