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Cheap flights from London Heathrow Airport to Chicago from C$ 894

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Find the cheapest flights from London Heathrow Airport to Chicago

Cheap round-trip flights

These are some of the best round-trip flight deals from London Heathrow Airport to Chicago that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to Chicago.

Cheap last-minute flights

Planning a quick getaway from London Heathrow Airport to Chicago? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Chicago, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from London Heathrow Airport to Chicago

Find recent round-trip train or bus tickets from London Heathrow Airport to Chicago.

All round-trip flight deals to Chicago

The cheapest plane tickets to Chicago found on KAYAK recently.
LHR-ORD
8h 40mdirect
ORD-LHR
7h 55mdirect
American Airlines
Find Deal
LHR-ORD
9h 10mdirect
ORD-LHR
8h 15mdirect
Air Canada
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LHR-ORD
8h 55mdirect
ORD-LHR
7h 50mdirect
Aer Lingus
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LHR-ORD
9h 10mdirect
ORD-LHR
8h 15mdirect
Austrian Airlines
Find Deal
LHR-ORD
9h 25mdirect
ORD-LHR
8h 15mdirect
LHR-ORD
9h 10mdirect
ORD-LHR
8h 15mdirect
United Airlines
Find Deal
LHR-ORD
8h 40mdirect
ORD-LHR
7h 55mdirect
Alaska Airlines
Find Deal
LHR-ORD
8h 35mdirect
ORD-LHR
7h 55mdirect
SriLankan Airlines
Find Deal
LHR-ORD
8h 40mdirect
ORD-LHR
7h 55mdirect
Finnair
Find Deal
LHR-ORD
8h 40mdirect
ORD-LHR
7h 55mdirect
Iberia
Find Deal
LHR-ORD
8h 40mdirect
ORD-LHR
7h 55mdirect
Malaysia Airlines
Find Deal
LHR-ORD
9h 10mdirect
ORD-LHR
8h 15mdirect
Brussels Airlines
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LHR-ORD
9h 10mdirect
ORD-LHR
8h 15mdirect
Lufthansa
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LHR-ORD
8h 40mdirect
ORD-LHR
7h 55mdirect
British Airways
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LHR-ORD
9h 50mdirect
ORD-LHR
7h 55mdirect
Gulf Air
Find Deal
LHR-ORD
8h 40mdirect
American Airlines
Find Deal
LHR-ORD
9h 10mdirect
Air Canada
Find Deal
LHR-ORD
8h 55mdirect
Aer Lingus
Find Deal
LHR-ORD
9h 10mdirect
Austrian Airlines
Find Deal
LHR-ORD
9h 25mdirect
LHR-ORD
9h 10mdirect
United Airlines
Find Deal
LHR-ORD
8h 40mdirect
Alaska Airlines
Find Deal
LHR-ORD
8h 35mdirect
SriLankan Airlines
Find Deal
LHR-ORD
8h 40mdirect
Finnair
Find Deal
LHR-ORD
8h 40mdirect
Iberia
Find Deal
LHR-ORD
8h 40mdirect
Malaysia Airlines
Find Deal
LHR-ORD
9h 10mdirect
Brussels Airlines
Find Deal
LHR-ORD
9h 10mdirect
Lufthansa
Find Deal
LHR-ORD
8h 40mdirect
British Airways
Find Deal
LHR-ORD
9h 50mdirect
Gulf Air
Find Deal

See travel insights to Chicago from

How to get the cheapest flight ticket from London Heathrow Airport to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Chicago?

The month of January is another great option to travel to Chicago, with average flight prices from London Heathrow Airport averaging around C$ 874.

What is the cheapest London Heathrow to Chicago flight route?

Fly from London Heathrow to Chicago O'Hare Intl for the best London Heathrow - Chicago flight prices

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

The best time to book a flight to Chicago from London Heathrow Airport is 20 days out, which is when prices tend to be around C$ 1,038. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as C$ 1,391.

What cabin class options are available on London Heathrow to Chicago flights?

There are 2 cabin classes available to choose from on London Heathrow to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London Heathrow Airport to Chicago flight prices changed over time?

As of December 2024, prices for London Heathrow Airport to Chicago flights are approximately 16% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Heathrow Airport to Chicago (LHR to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Chicago

Direct flights

None
There are no direct flights from London Heathrow Airport to Chicago. There are no popular flight routes from London Heathrow Airport to Chicago.

  • How far is London Heathrow to Chicago by plane?

    London Heathrow and Chicago are 6330.3 km apart from one another.

  • When did momondo last update prices for flights from London Heathrow Airport to Chicago?

    Prices for flights from London Heathrow Airport to Chicago were last updated today.

  • How old do you have to be to fly from London Heathrow Airport to Chicago?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from London Heathrow Airport to Chicago?


Why use momondo?

Why should I use momondo to find a flight deal from London to Chicago?

Finding the right flight to Chicago from London is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

Can I find flights from London to Chicago with flexible booking policies on momondo?

Yes. All flights to Chicago from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Chicago?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from London.

I’m not ready to book a flight from London to Chicago right now. Can momondo alert me if prices change?

Price alerts on flights to Chicago from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 25.6 km from Chicago