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Cheap flights from Chicago (CHI) to London (LON)

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The best prices from Chicago to London are usually found in February or January, booked 47 days in advance, depart on a Tuesday or Monday and return on a Friday

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

CHI - LON
Price
$384 - $757
LON
Temperature
48.2 - 73.4 °F
LON
Rainfall
1.4 - 2.8 inches

Popular in

December

High demand for flights, 30% potential price rise

Cheapest in

February

Best time to find cheap flights, 27% potential price drop

Round-trip from

$384

From Chicago to London

One-way from

$192

One-way flight from Chicago to London

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 round-trip from Chicago to London?

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to London. Check prices with Cheapflights to find a great deal for your trip.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 51 days in advance, which can save you up to 38% on flights from Chicago to London compared to booking the week you need them. Waiting 51 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $813. For sooner than that we have options available in the next 3 days from $886.

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

The best pricing can be found in the month of February. Prices to London from Chicago average $634. You can even find prices in February for less than $634, as users have found deals to London from as low as $394. The month of June appears to be one of the more expensive times to travel to London from Chicago. Flying in the targeted month can save you up to 66%.

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

When flying from Chicago to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 10% versus a flight in the evening.

Cheap flights from Chicago to London in October, November 2020

The best prices found for CHI to LON flights for October, November
22 Nov - 15 Jan
$363pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
8 Nov - 20 Nov
$370pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
8 Nov - 20 Nov
$371pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl

Chicago to London 2020 flight deals

Cheap flights to London from Chicago found for this year
22 Nov - 15 Jan
$363pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
8 Nov - 20 Nov
$370pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
8 Nov - 20 Nov
$371pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl

Non-stop flights to London from Chicago

Save time with Chicago to London direct flight deals
1 Nov - 26 Nov
$588pp
ORD
Chicago O'Hare Intl
Finnair
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
ORD
Chicago O'Hare Intl
26 Dec - 16 Jan
$601pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Iberia
Non-Stop
ORD
Chicago O'Hare Intl
7 Dec - 14 Dec
$607pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Iberia
Non-Stop
ORD
Chicago O'Hare Intl

Last minute flights from Chicago to London

Late deals on round-trip flights to London from Chicago, departing today and this week
25 Oct - 6 Nov
$379pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
25 Oct - 13 Nov
$387pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
25 Oct - 4 Dec
$395pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl

One-way flights to London from Chicago

The cheapest one-way flights from Chicago to London
2:00 pm - 3:40 am
Iberia
Nonstop
7h 40m
ORD - LHR
Iberia
$192
SnapTravelAir
1:20 pm - 5:40 pm
TAP AIR PORTUGAL
1 Stop
22h 20m
ORD - LHR
TAP AIR PORTUGAL
$196
Gotogate
4:00 am - 7:40 am
Multiple Airlines
3 Stops
45h 40m
ORD - LHR
Multiple Airlines
$198
Kiwi.com

Related info for your journey

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

Flight FAQs

From Chicago to London

Are flight prices decreasing from Chicago to London 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 Chicago and London 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 Chicago to London to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. New policies for travelers booking flights from Chicago to London include masks being provided and required on board, daily cleaning and sanitization, 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 Chicago to London 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 Chicago to London have implemented new flexible cancellation policies.

Can I find flights from Chicago to London for under $400 on Cheapflights?

Yes, there are multiple flights from Chicago to London for under $400. The cheapest flight booked recently is on Multiple Airlines for just $363, but on average you can expect to pay $385.

Are there nonstop flights from Chicago to London for under $600 on Cheapflights?

Cheapflights has at least 20 direct flights from Chicago to London under $600. A good price for a nonstop flight from Chicago to London is less than $620.

Are there last-minute flights available from Chicago to London for under $400?

There are currently 20+ open flights from Chicago to London within the next 7 days for less than $400.

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

On average 19 flights depart from Chicago to London per day.
Afternoon (Noon - 6pm) - 63% of flight departures
Evening (6pm - Midnight) - 37% of flight departures

Is Chicago weather warmer or cooler than London?

With an average temperature of 84 °F, peak weather can be found in July. As a traveler, expect to see changes in flight prices during that period. The temperatures in London are colder than in Chicago.

How long is the flight from Chicago to London?

Airlines like Delta, KLM, and Virgin Atlantic fly from Chicago to London in about 9h 40m. The time it takes to get you to your destination can typically vary by up to 1h 32m. Chicago and London are separated by a distance of 3964 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What is the cheapest airline to fly from Chicago to London round-trip?

TAP AIR PORTUGAL, at $381, was found to be the cheapest airline from Chicago to London.. You may be able to fly from Chicago to London for 27% less than the average price by searching for this airline.

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

The cheapest airlines for a one-way flight from Chicago to London are TAP AIR PORTUGAL ($118) and Iberia ($192).

Destination information for London

Things to know before you go. Useful info for your trip from Chicago to London
Today's exchange rate
$1 = £0.78
Average temperature for October in London
60.8 °F
Avg rainfall for October in London
2.8 ″

Airports servicing Chicago

Chicago Midway (MDW)
Rockford (RFD)

Airports servicing London

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

Hourly flight availability from Chicago to London

Afternoon Noon to 6 PM 74% of CHI to LON departures
Evening 6 PM to midnight 25% of CHI to LON departures
Early morning Midnight to 6 AM 1% of CHI to LON departures
Morning 6 AM to noon 0% of CHI to LON departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Chicago to London
Sunday
24 daily flights
Monday
24 daily flights
Tuesday
19 daily flights
Wednesday
19 daily flights
Thursday
24 daily flights
Friday
24 daily flights
Saturday
23 daily flights
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