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Cheap flights from Chicago (CHI) to Heathrow (LHR)

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The best prices from Chicago to Heathrow are usually found in September or April, booked 60 days in advance, depart on a Tuesday or Sunday and return on a Friday

How to find the cheapest flight from
Chicago (CHI) to Heathrow (LHR)

CHI - LHR
Price
$482 - $885
LHR
Temperature
46.4 - 75.2 °F
LHR
Rainfall
1.5 - 2.6 inches

Popular in

June

High demand for flights, 29% potential price rise

Cheapest in

September

Best time to find cheap flights, 23% potential price drop

Round-trip from

$482

From Chicago to Heathrow

One-way from

$119

One-way flight from Chicago to Heathrow

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 Heathrow?

Leaving on a Monday 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 16% on the overall cost on flights from Chicago to Heathrow.

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

Find a great deal and save up to 44% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Chicago to Heathrow within the next two weeks, with the cheapest ticket starting at $910.

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

The best pricing can be found in the month of October. Prices to Heathrow from Chicago average $714. You can even find prices in October for less than $714, as users have found deals to Heathrow from as low as $445. The month of July appears to be one of the more expensive times to travel to Heathrow from Chicago. Flying in the targeted month can save you up to 31%.

When is the cheapest time to fly from Chicago to Heathrow (CHI - LHR)?

A simple way to save on the total cost of your ticket is to fly from Chicago to Heathrow at noon. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight in the evening.

Cheap flights from Chicago to Heathrow in October, November 2020

The best prices found for CHI to LHR flights for October, November
8 Nov - 20 Nov
$376pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
8 Nov - 19 Nov
$382pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
8 Nov - 20 Nov
$383pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl

Chicago to Heathrow 2020 flight deals

Cheap flights to Heathrow from Chicago found for this year
8 Nov - 20 Nov
$376pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
8 Nov - 19 Nov
$382pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
8 Nov - 20 Nov
$383pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl

Non-stop flights to Heathrow from Chicago

Save time with Chicago to Heathrow direct flight deals
25 Nov - 3 Jan
$592pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Iberia
Non-Stop
ORD
Chicago O'Hare Intl
30 Dec - 4 Feb
$595pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
ORD
Chicago O'Hare Intl
3 Dec - 22 Jan
$596pp
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 Heathrow

Late deals on round-trip flights to Heathrow from Chicago, departing today and this week
8 Nov - 20 Nov
$376pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
8 Nov - 19 Nov
$382pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
8 Nov - 20 Nov
$383pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl

One-way flights to Heathrow from Chicago

The cheapest one-way flights from Chicago to Heathrow
1:20 pm - 7:40 am
TAP AIR PORTUGAL
1 Stop
12h 20m
ORD - LHR
TAP AIR PORTUGAL
$119
Gotogate
1:20 pm - 12:30 pm
TAP AIR PORTUGAL
1 Stop
17h 10m
ORD - LHR
TAP AIR PORTUGAL
$123
mytrip.com
1:20 pm - 5:40 pm
TAP AIR PORTUGAL
1 Stop
22h 20m
ORD - LHR
TAP AIR PORTUGAL
$126
mytrip.com

Related info for your journey

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

Flight FAQs

From Chicago to Heathrow

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

New policies can now be found on Delta to help keep travelers safe while flying. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Chicago to London Heathrow. Policies will vary by airline.

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

British Airways, United Airlines, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

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

Yes, there are multiple flights from Chicago to Heathrow for under $400. The cheapest flight booked recently is on Multiple Airlines for just $359, but on average you can expect to pay $390.

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

Cheapflights has at least 20 direct flights from Chicago to Heathrow under $600. A good price for a nonstop flight from Chicago to Heathrow is less than $619.

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

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

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

10 flight departures from Chicago to London Heathrow per day on average.
Evening (6pm - Midnight) - 100% of flight departures

Is Chicago weather warmer or cooler than Heathrow?

Our data indicates that the weather will be 84 °F on average in the month of July. The temperature in Heathrow is typically colder than in Chicago. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from Chicago to Heathrow?

A quick flight from Chicago to Heathrow can take about 10h 55m. Delta provides one of the quickest options available for as low as $638. Airlines will cover a distance of 3964 mi. This flight may include one or multiple stops.

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

TAP AIR PORTUGAL, at $376, was found to be the cheapest airline from Chicago to Heathrow.. TAP AIR PORTUGAL is currently priced 40% below the average price you’ll pay for this route.

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

To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $119.

Alternative routes for Chicago to Heathrow

Destination information for Heathrow

Things to know before you go. Useful info for your trip from Chicago to Heathrow
Today's exchange rate
$1 = £0.77
Average temperature for October in Heathrow
60.8 °F
Avg rainfall for October in Heathrow
2.6 ″

Airports servicing Chicago

Chicago Midway (MDW)
Rockford (RFD)

Airports servicing London

Hourly flight availability from Chicago to Heathrow

Afternoon Noon to 6 PM 76% of CHI to LHR departures
Evening 6 PM to midnight 23% of CHI to LHR departures
Early morning Midnight to 6 AM 1% of CHI to LHR departures
Morning 6 AM to noon 0% of CHI to LHR departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Chicago to Heathrow
Sunday
4 daily flights
Monday
4 daily flights
Tuesday
5 daily flights
Wednesday
18 daily flights
Thursday
23 daily flights
Friday
23 daily flights
Saturday
20 daily flights