Cheap flights from London to Chicago

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The best prices from London to Chicago are usually found in February or January, booked 60 days in advance, depart on a Thursday or Tuesday and return on a Sunday

Return
Economy
Thu 29/10
Thu 5/11
From
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To
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Leaving on
Thu 29/10
Time
Anytime
From
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To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
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From
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To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
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From
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To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
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Depart
Time
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From
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To
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Leaving on
Depart
Time
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From
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To
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Leaving on
Depart
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Anytime
#removeLegButton($self.id("removeLeg$leg"))
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How to find the cheapest flight from
London (LON) to Chicago (CHI)

LON - CHI
Price
£280 - £564
CHI
Temperature
1 - 29 °C
CHI
Rainfall
17 - 109 mm

Popular in

July

High demand for flights, 34% potential price rise

Cheapest in

February

Best time to find cheap flights, 24% potential price drop

Round-trip from

£280

From London to Chicago

One-way from

£139

One-way flight from London to Chicago

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly return from London to Chicago?

Leaving on a Wednesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 11% on the overall cost on flights from London to Chicago.

How far in advance should I book a flight from London to Chicago?

Travellers have found it’s best to book a flight 61 days in advance to save up to 26% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from London to Chicago 1-2 weeks in advance for as low as £412, or £486 for flights within the next 24 hours.

What is the cheapest month to fly from London to Chicago?

The best pricing can be found in the month of February. Prices to Chicago from London average £370. You can even find prices in February for less than £370, as users have found deals to Chicago from as low as £247. The month of July appears to be one of the more expensive times to travel to Chicago from London. Flying in the targeted month can save you up to 52%.

When is the cheapest time to fly from London to Chicago (LON - CHI)?

Unlike at midday, when flights are generally more expensive, you can save up to 8% on flights from London to Chicago by exploring options for tickets in the evening.

Cheap flights from London to Chicago in October, November 2020

The best prices found for LON to CHI flights in October, November
20 Nov - 29 Nov
£235pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
6 Nov - 20 Dec
£238pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
20 Nov - 22 Nov
£252pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow

London to Chicago 2020 flight deals

Cheap flights to Chicago from London found for this year
20 Nov - 29 Nov
£235pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
6 Nov - 20 Dec
£238pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
10 Dec - 20 Dec
£239pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow

Direct flights to Chicago from London

Save time with London to Chicago direct flight deals
15 Mar - 22 Mar
£389pp
LHR
London Heathrow
Finnair
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Finnair
Direct
LHR
London Heathrow
8 Mar - 15 Mar
£399pp
LHR
London Heathrow
Finnair
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Finnair
Direct
LHR
London Heathrow
15 Mar - 22 Mar
£400pp
LHR
London Heathrow
Finnair
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Finnair
Direct
LHR
London Heathrow

Last-minute flights from London to Chicago

Late deals on return flights to Chicago from London, departing today and this week
30 Oct - 15 Nov
£260pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
29 Oct - 15 Nov
£262pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
29 Oct - 15 Nov
£272pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow

One-way flights to Chicago from London

The cheapest one-way flights from London to Chicago
08:40 - 18:10
TAP AIR PORTUGAL
1 stop
39h 30m
LHR - ORD
TAP AIR PORTUGAL
£149
Kiwi.com
07:05 - 18:10
Multiple Airlines
2 stops
17h 05m
LTN - ORD
Multiple Airlines
£140
Kiwi.com
07:05 - 18:10
Multiple Airlines
2 stops
17h 05m
LTN - ORD
Multiple Airlines
£146
Kiwi.com

Related info for your journey

Useful info, stats and facts about London to Chicago flights.

Flight FAQs

From London to Chicago

Are flight prices decreasing from London to Chicago due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both London and Chicago for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from London to Chicago to control the spread of COVID-19?

New policies can now be found on Delta to help keep travellers safe while flying. New policies for travellers booking flights from London to Chicago include masks being provided and required on board, daily cleaning and sanitisation, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially-distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from London to Chicago have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like British Airways, United Airlines, and American Airlines flying from London to Chicago have implemented new flexible cancellation policies.

Can I find flights from London to Chicago for under £306 on Cheapflights?

Yes, there are multiple flights from London to Chicago for under £306. The cheapest flight booked recently is on TAP AIR PORTUGAL for just £233, but on average you can expect to pay £259.

Are there direct flights from London to Chicago for under £459 on Cheapflights?

Cheapflights has 20 direct flights from London to Chicago under £459. A good price for a direct flight from London to Chicago is less than £424.

Are there last-minute flights available from London to Chicago for under £306?

There are currently 20+ open flights from London to Chicago within the next 7 days for less than £306.

How many flights depart from London to Chicago on average per day?

On average, you can expect to see 8 flights from London to Chicago a day.
Morning (6am - Midday) - 63% of flight departures
Afternoon (Midday - 6pm) - 38% of flight departures

Is London weather warmer or cooler than Chicago?

Temperatures around the 29 °Cs can be experienced in July. The weather in Chicago is hotter than in London. Plan for potential changes in flight availability as peak weather approaches in this location.

How long does is the flight from London to Chicago?

Departing from London to Chicago will take you 10h 45m. London and Chicago are separated by a distance of 3964 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What is the cheapest airline to fly from London to Chicago return?

Flying on TAP AIR PORTUGAL is currently your cheapest option to Chicago, with prices starting at £233. TAP AIR PORTUGAL is 37% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from London to Chicago one-way?

For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as £149.

Destination information for Chicago

Things to know before you go. Useful info for your trip from London to Chicago
Today's exchange rate
£1 = $1.31
Average temperature for October in Chicago
18.0 °C
Avg rainfall for October in Chicago
66.0 mm

Airports servicing London

Heathrow (LHR)
Luton (LTN)
Stansted (STN)
City (LCY)
Southend (SEN)

Airports servicing Chicago

Chicago Midway (MDW)
Rockford (RFD)

Hourly flight availability from London to Chicago

Afternoon Midday to 6 PM 51% of LON to US-CHI departures
Morning 6 AM to midday 49% of LON to US-CHI departures
Early morning Midnight to 6 AM 0% of LON to US-CHI departures
Evening 6 PM to midnight 0% of LON to US-CHI departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from London to Chicago
Sunday
11 daily flights
Monday
23 daily flights
Tuesday
18 daily flights
Wednesday
18 daily flights
Thursday
23 daily flights
Friday
23 daily flights
Saturday
21 daily flights
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