Cheap flights from Heathrow to Chicago

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The best prices from Heathrow to Chicago are usually found in February or March, booked 31 days in advance, depart on a Friday or Tuesday and return on a Sunday

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

LHR - CHI
Price
£370 - £744
CHI
Temperature
1 - 29 °C
CHI
Rainfall
17 - 109 mm
Popular in July High demand for flights, 35% potential price rise
Cheapest in February Best time to find cheap flights, 23% potential price drop
Round-trip from £370 From Heathrow to Chicago
One-way from £291 One-way flight from Heathrow 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 Heathrow to Chicago?

Departing on a Thursday is a good option for securing a great price. You can expect to save up to 9% when planning your travel around this day of the week.

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

Users have found that booking a flight from Heathrow to Chicago at least 61 days early can save you up to 26% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from Heathrow to Chicago for as little as £349 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £411 for flights departing within the next 3 days.

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

February can be a great time to fly to Chicago from Heathrow with a flight ticket averaging about £390. Cheapflights users have found deals in the month of February for as cheap as £260. The most expensive prices can be found in the month of July.

Cheap flights from Heathrow to Chicago in July, August 2020

The best prices found for LHR to CHI flights in July, August
16 Jul - 15 Nov
£466pp
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
16 Jul - 15 Nov
£516pp
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
16 Jul - 15 Nov
£521pp
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

Heathrow to Chicago 2020 flight deals

Cheap flights to Chicago from Heathrow found for this year
4 Nov - 8 Nov
£369pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
4 Nov - 8 Nov
£376pp
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
21 Nov - 1 Dec
£381pp
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 Heathrow

Save time with Heathrow to Chicago direct flight deals
14 Oct - 18 Nov
£410pp
LHR
London Heathrow
Finnair
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Finnair
Direct
LHR
London Heathrow
29 Sep - 29 Oct
£414pp
LHR
London Heathrow
Lufthansa
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Lufthansa
Direct
LHR
London Heathrow
14 Oct - 12 Nov
£416pp
LHR
London Heathrow
Lufthansa
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Lufthansa
Direct
LHR
London Heathrow

Last-minute flights from Heathrow to Chicago

Late deals on return flights to Chicago from Heathrow, departing today and this week
26 Jun - 13 Jul
£588pp
LHR
London Heathrow
Finnair
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Finnair
   
2 STOPS
LHR
London Heathrow
24 Jun - 28 Jun
£593pp
LHR
London Heathrow
Lufthansa
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Lufthansa
   
2 STOPS
LHR
London Heathrow
25 Jun - 21 Sep
£597pp
LHR
London Heathrow
Aer Lingus
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Aer Lingus
 
1 STOP
LHR
London Heathrow

One-way flights to Chicago from Heathrow

The cheapest one-way flights from Heathrow to Chicago
14:45 - 12:15
TAP AIR PORTUGAL
1 stop
27h 30m
LHR - ORD
TAP AIR PORTUGAL
£235
mytrip.com
15:50 - 12:15
TAP AIR PORTUGAL
1 stop
26h 25m
LHR - ORD
TAP AIR PORTUGAL
£236
mytrip.com
14:45 - 12:15
TAP AIR PORTUGAL
1 stop
27h 30m
LHR - ORD
TAP AIR PORTUGAL
£237
mytrip.com

Related info for your journey

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

Flight FAQs

From Heathrow to Chicago

Are flight prices decreasing from Heathrow 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 Heathrow 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.

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

Yes, there are multiple flights from Heathrow to Chicago for under £400. The cheapest flight booked recently is on Multiple Airlines for just £369, but on average you can expect to pay £392.

Are there direct flights from Heathrow to Chicago for under £500 on Cheapflights?

Cheapflights has 20 direct flights from Heathrow to Chicago under £500. A good price for a direct flight from Heathrow to Chicago is less than £432.

Are there last-minute flights available from Heathrow to Chicago for under £600?

There are currently 20+ open flights from Heathrow to Chicago within the next 7 days for less than £600.

How popular is this flight route?

Flights from London Heathrow to Chicago have been viewed 261 times in the past calendar month.

What is the cheapest airline for this route?

The cheapest airline for this route is American Airlines Inc.. When flying this airline from Heathrow to Chicago, you can expect to find 80 flights per day available for this route, on average.

Is Heathrow weather warmer or cooler than Chicago?

Our data indicates that the weather will be 29 °C on average in the month of July. The temperature in Chicago is typically hotter than in Heathrow. 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.

Alternative routes for Heathrow to Chicago

Destination information for Chicago

Things to know before you go. Useful info for your trip from Heathrow to Chicago
Today's exchange rate
£1 = $1.25
Flight duration
8h 21m
Average temperature for July in Chicago
29.0 °C
Avg rainfall for July in Chicago
95.0 mm

Airports servicing London

Airports servicing Chicago

Chicago Midway (MDW)
Rockford (RFD)

Hourly flight availability from Heathrow to Chicago

Morning 6 AM to midday 66% of flight departures
Afternoon Midday to 6 PM 33% of flight departures
Early morning Midnight to 6 AM 1% of flight departures
Evening 6 PM to midnight 0% of flight departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Heathrow to Chicago
Sunday
18 daily flights
Monday
17 daily flights
Tuesday
12 daily flights
Wednesday
12 daily flights
Thursday
18 daily flights
Friday
18 daily flights
Saturday
12 daily flights