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
£370 - £744
1 - 29 °C
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|
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
Heathrow to Chicago 2020 flight deals
Direct flights to Chicago from Heathrow
Last-minute flights from Heathrow to Chicago
One-way flights to Chicago from Heathrow
The cheapest one-way flights from Heathrow to Chicago
Related info for your journey
Useful info, stats and facts about Heathrow to Chicago flights.
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
Airports servicing Chicago
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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|