Cheap flights from London to Chicago

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

How to find the cheapest flight from
London (LON) to Chicago (CHI)

All the information you need to plan the best LON to CHI flight in 2021: compare London to Chicago flight prices with the expected peak season, weather and rainfall in Chicago.
LON - CHI
Price
£304 - £487
CHI
Temperature
1 - 29 °C
CHI
Rainfall
17 - 109 mm

Popular in

July

High demand for flights, 25% potential price rise

Cheapest in

October

Best time to find cheap flights, 16% potential price drop

Round-trip from

£304

From London to Chicago

One-way from

£156

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 32% 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 £389, or £469 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 October. Prices to Chicago from London average £364. You can even find prices in October for less than £364, as users have found deals to Chicago from as low as £255. 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 33%.

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 18% on flights from London to Chicago by exploring options for tickets in the afternoon.

Cheap flights from London to Chicago in April, May 2021

The best prices found for LON to CHI flights in April, May
27 May - 30 May
£320pp
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
21 May - 30 May
£321pp
STN
London Stansted
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
22 May - 30 May
£330pp
STN
London Stansted
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted

London to Chicago 2021 flight deals

Cheap flights to Chicago from London found for this year
12 Sep - 16 Sep
£263pp
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
4 Jun - 14 Jun
£266pp
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
24 Sep - 9 Oct
£267pp
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
22 Jul - 5 Aug
£358pp
LHR
London Heathrow
Lufthansa
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Lufthansa
Direct
LHR
London Heathrow
6 Sep - 13 Sep
£366pp
LHR
London Heathrow
Lufthansa
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Lufthansa
Direct
LHR
London Heathrow
2 Sep - 12 Sep
£367pp
LHR
London Heathrow
Lufthansa
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Lufthansa
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
24 Apr - 19 May
£353pp
STN
London Stansted
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
24 Apr - 1 May
£435pp
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
23 Apr - 21 Jun
£442pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
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
14:20 - 14:35
Multiple Airlines
1 stop
30h 15m
LTN - ORD
Multiple Airlines
£156
Kiwi.com
14:20 - 14:35
Multiple Airlines
1 stop
30h 15m
LTN - ORD
Multiple Airlines
£158
Kiwi.com
16:35 - 14:35
Multiple Airlines
1 stop
28h 00m
STN - ORD
Multiple Airlines
£160
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">London</span> to <span class="emphasized">Chicago</span> 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 Finnair flying from London to Chicago have implemented new flexible cancellation policies.

Can I find flights from London to Chicago for under £291 on Cheapflights?

Yes, there are multiple flights from London to Chicago for under £291. The cheapest flight booked recently is on TAP AIR PORTUGAL for just £263, but on average you can expect to pay £275.

Are there direct flights from London to Chicago for under £364 on Cheapflights?

Cheapflights has 20 direct flights from London to Chicago under £364. A good price for a direct flight from London to Chicago is less than £398.

Are there last-minute flights available from London to Chicago for under £364?

There are currently 20+ open flights from London to Chicago within the next 7 days for less than £364.

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 50m. 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 £264. TAP AIR PORTUGAL is 27% cheaper than the average price of flights available within the next 90 days to this destination.

Destination information for Chicago

Things to know before you go - useful duration and weather info for your trip from London to Chicago.
Today's exchange rate
£1 = $1.38
Average temperature for April in Chicago
17.0 °C
Avg rainfall for April in Chicago
58.0 mm

Airports servicing London

Gatwick (LGW)
City (LCY)
Stansted (STN)
Luton (LTN)
Southend (SEN)

Airports servicing Chicago

Chicago Midway (MDW)
Rockford (RFD)

Top 10 airlines flying from London to Chicago

The chart below displays the airlines Cheapflights users travelling from London to Chicago choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Air Canada
£352 £496 No cancel fee 67%
Search Air Canada flights
SWISS
£353 £513 No cancel fee 79%
Search SWISS flights
Norwegian
£344 £520 No cancel fee 74%
Search Norwegian flights
Brussels Airlines
£352 £521 No cancel fee N/A
Search Brussels Airlines flights
Virgin Atlantic
£345 £528 No cancel fee 72%
Search Virgin Atlantic flights
TAP AIR PORTUGAL
£412 £584 No cancel fee N/A
Search TAP AIR PORTUGAL flights
Delta
£330 £585 No cancel fee N/A
Search Delta flights
Norwegian Air UK
£302 £590 No cancel fee N/A
Search Norwegian Air UK flights
Air France
£360 £606 No cancel fee 77%
Search Air France flights
KLM
£368 £610 No cancel fee 75%
Search KLM flights

Hourly flight availability from London to Chicago

See what time of day planes typically take off from London towards Chicago.
Morning 6 AM to midday 100% of LON to US-CHI departures
Early morning Midnight to 6 AM 0% of LON to US-CHI departures
Afternoon Midday to 6 PM 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
See how many times per day planes take to the skies headed from London to Chicago.
Sunday
13 daily flights
Monday
13 daily flights
Tuesday
13 daily flights
Wednesday
13 daily flights
Thursday
13 daily flights
Friday
13 daily flights
Saturday
13 daily flights
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