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Cheap flights from London Heathrow Airport to Chicago from $812

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Chicago departing on 21/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to Chicago

Cheap return flights

These are some of the best return 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 stopovers.

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.
06:30 - 16:41LHR-ORD
16h 11m2 stops
21:10 - 11:15ORD-LHR
8h 05mdirect
$812United Airlines
Find Deal
Tue, 21 Jan - Tue, 28 Jan
08:30 - 15:15LHR-ORD
12h 45m1 stop
21:10 - 11:15ORD-LHR
8h 05mdirect
Tue, 21 Jan - Tue, 28 Jan
10:20 - 17:50LHR-ORD
13h 30m1 stop
19:40 - 16:00ORD-LHR
14h 20m1 stop
$816Scandinavian Airlines
Find Deal
Mon, 27 Jan - Sun, 23 Feb
08:30 - 15:15LHR-ORD
12h 45m1 stop
21:10 - 11:15ORD-LHR
8h 05mdirect
$817Lufthansa
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Tue, 14 Jan - Tue, 21 Jan
10:20 - 16:10LHR-ORD
11h 50m1 stop
19:15 - 17:40ORD-LHR
16h 25m1 stop
$820Scandinavian Airlines
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Thu, 3 Apr - Sat, 19 Apr
10:25 - 13:50LHR-ORD
9h 25mdirect
21:10 - 11:15ORD-LHR
8h 05mdirect
$838Austrian Airlines
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Mon, 27 Jan - Mon, 10 Feb
08:55 - 16:15LHR-ORD
13h 20m1 stop
20:05 - 13:00ORD-LHR
11h 55m1 stop
$845SWISS
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Wed, 5 Mar - Wed, 12 Mar
06:00 - 16:15LHR-ORD
16h 15m1 stop
19:05 - 16:20ORD-LHR
15h 15m1 stop
$846SWISS
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Mon, 27 Jan - Mon, 10 Feb
07:40 - 14:10LHR-ORD
12h 30m1 stop
17:50 - 07:55ORD-LHR
8h 05mdirect
$848Lufthansa
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Mon, 13 Jan - Tue, 21 Jan
06:00 - 14:05LHR-ORD
14h 05m1 stop
13:15 - 07:25ORD-LHR
36h 10m2 stops
$851Austrian Airlines
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Fri, 24 Jan - Sat, 25 Jan
19:25 - 14:49LHR-ORD
49h 24m3 stops
Mon, 30 Dec
18:30 - 15:30LHR-ORD
27h 00m1 stop
$982TAP AIR PORTUGAL
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Thu, 16 Jan
14:50 - 10:43LHR-ORD
49h 53m2 stops
$984WestJet
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Fri, 17 Jan
12:15 - 18:20LHR-ORD
11h 05m1 stop
$1,024Icelandair
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Wed, 26 Mar
12:15 - 17:20LHR-ORD
11h 05m1 stop
$1,075Icelandair
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Fri, 24 Jan
07:25 - 16:45LHR-ORD
15h 20m1 stop
$1,095JetBlue
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Mon, 24 Feb
08:25 - 17:53LHR-ORD
15h 28m1 stop
$1,098JetBlue
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Wed, 22 Jan
06:40 - 15:50LHR-ORD
15h 10m1 stop
$1,170Scandinavian Airlines
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Fri, 27 Dec
14:50 - 21:58LHR-ORD
37h 08m2 stops
$1,171WestJet
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Sun, 19 Jan
06:40 - 15:50LHR-ORD
15h 10m1 stop
$1,173Scandinavian Airlines
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Mon, 30 Dec
12:15 - 17:20LHR-ORD
11h 05m1 stop
18:30 - 10:50ORD-LHR
10h 20m1 stop
$1,248Icelandair
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Tue, 24 Dec - Sat, 11 Jan
19:50 - 15:50LHR-ORD
26h 00m2 stops
19:10 - 17:40ORD-LHR
16h 30m1 stop
$1,319Scandinavian Airlines
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Sun, 22 Dec - Thu, 9 Jan
14:30 - 22:13LHR-ORD
13h 43m1 stop
17:50 - 07:55ORD-LHR
8h 05mdirect
$1,407United Airlines
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Wed, 25 Dec - Wed, 1 Jan
18:30 - 15:30LHR-ORD
27h 00m1 stop
18:20 - 17:30ORD-LHR
17h 10m2 stops
$1,518TAP AIR PORTUGAL
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Tue, 24 Dec - Sat, 11 Jan
18:30 - 15:30LHR-ORD
27h 00m1 stop
20:25 - 17:30ORD-LHR
15h 05m1 stop
$1,670TAP AIR PORTUGAL
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Tue, 24 Dec - Sun, 5 Jan
20:05 - 16:15LHR-ORD
26h 10m1 stop
19:05 - 13:00ORD-LHR
11h 55m1 stop
$1,702SWISS
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Mon, 23 Dec - Wed, 8 Jan
20:05 - 16:15LHR-ORD
26h 10m1 stop
18:20 - 16:20ORD-LHR
16h 00m2 stops
$1,737SWISS
Find Deal
Mon, 23 Dec - Wed, 8 Jan
12:05 - 16:15LHR-ORD
34h 10m1 stop
21:10 - 11:15ORD-LHR
8h 05mdirect
$1,787United Airlines
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Mon, 23 Dec - Thu, 23 Jan
13:35 - 17:00LHR-ORD
9h 25mdirect
21:10 - 11:15ORD-LHR
8h 05mdirect
$1,798Austrian Airlines
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Tue, 24 Dec - Thu, 9 Jan
13:35 - 17:00LHR-ORD
9h 25mdirect
21:10 - 11:15ORD-LHR
8h 05mdirect
$1,859Austrian Airlines
Find Deal
Tue, 24 Dec - Sat, 11 Jan
10:25 - 13:50LHR-ORD
9h 25mdirect
21:10 - 11:15ORD-LHR
8h 05mdirect
Tue, 21 Jan - Tue, 28 Jan
10:25 - 13:50LHR-ORD
9h 25mdirect
21:10 - 11:15ORD-LHR
8h 05mdirect
$838Austrian Airlines
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Wed, 15 Jan - Wed, 22 Jan
11:55 - 14:45LHR-ORD
8h 50mdirect
18:35 - 08:15ORD-LHR
7h 40mdirect
$883British Airways
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Tue, 31 Dec - Mon, 10 Feb
13:35 - 17:00LHR-ORD
9h 25mdirect
21:10 - 11:15ORD-LHR
8h 05mdirect
$891United Airlines
Find Deal
Mon, 27 Jan - Tue, 4 Feb
08:30 - 11:40LHR-ORD
9h 10mdirect
16:05 - 06:20ORD-LHR
8h 15mdirect
$894Austrian Airlines
Find Deal
Wed, 23 Apr - Wed, 30 Apr
11:55 - 14:45LHR-ORD
8h 50mdirect
18:35 - 08:15ORD-LHR
7h 40mdirect
$897British Airways
Find Deal
Tue, 28 Jan - Tue, 4 Feb
08:30 - 11:40LHR-ORD
9h 10mdirect
18:05 - 08:20ORD-LHR
8h 15mdirect
Wed, 23 Apr - Wed, 30 Apr
11:55 - 14:45LHR-ORD
8h 50mdirect
18:35 - 08:15ORD-LHR
7h 40mdirect
$915Finnair
Find Deal
Tue, 28 Jan - Mon, 10 Feb
11:55 - 14:45LHR-ORD
8h 50mdirect
18:35 - 08:15ORD-LHR
7h 40mdirect
$976Finnair
Find Deal
Sun, 26 Jan - Tue, 11 Feb
10:25 - 13:50LHR-ORD
9h 25mdirect
17:50 - 07:55ORD-LHR
8h 05mdirect
$1,046United Airlines
Find Deal
Sat, 11 Jan - Sun, 26 Jan

United Airlines flights from London Heathrow Airport to Chicago

Our best United Airlines deals on London Heathrow Airport to Chicago flight tickets
United Airlines
21 Jan
LHR06:30London Heathrow
16h 11m
2 stops
ORD16:41Chicago O'Hare Intl
28 Jan
ORD21:10Chicago O'Hare Intl
8h 05m
LHR11:15London Heathrow
United Airlines
21 Jan
LHR06:30London Heathrow
16h 11m
2 stops
ORD16:41Chicago O'Hare Intl
28 Jan
ORD12:51Chicago O'Hare Intl
12h 04m
1 stop
LHR06:55London Heathrow
United Airlines
27 Jan
LHR08:55London Heathrow
13h 20m
1 stop
ORD16:15Chicago O'Hare Intl
4 Feb
ORD17:50Chicago O'Hare Intl
8h 05m
LHR07:55London Heathrow

Lufthansa flights from London Heathrow Airport to Chicago

Our best Lufthansa deals on London Heathrow Airport to Chicago flight tickets
Lufthansa
14 Jan
LHR08:30London Heathrow
12h 45m
1 stop
ORD15:15Chicago O'Hare Intl
21 Jan
ORD21:10Chicago O'Hare Intl
8h 05m
LHR11:15London Heathrow
Lufthansa
31 Dec
LHR08:30London Heathrow
12h 45m
1 stop
ORD15:15Chicago O'Hare Intl
15 Jan
ORD21:10Chicago O'Hare Intl
8h 05m
LHR11:15London Heathrow
Lufthansa
13 Jan
LHR07:40London Heathrow
12h 30m
1 stop
ORD14:10Chicago O'Hare Intl
21 Jan
ORD17:50Chicago O'Hare Intl
8h 05m
LHR07:55London Heathrow

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?

If you don’t want to visit Chicago in February, then you should wait until January to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $981.

What is the cheapest day to depart on your flight to Chicago?

Our data shows that Tuesday is the least expensive day to fly to Chicago. Tickets to fly out on this day can be as low as $0. Flights from London Heathrow Airport to Chicago on a Monday will generally be more expensive and average around $1,242. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Chicago?

Our data shows that the cheapest London Heathrow Airport to Chicago flights are usually those with departure times at midday. Our users have found flights to Chicago at midday for as low as $0. Flights in the morning are often more expensive, with an average ticket price of $1,105.

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?

We recommend purchasing flights from London Heathrow Airport to Chicago 20 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Chicago for $1,165. In the past 72 hours, momondo users found flights from London Heathrow Airport to Chicago for as low as $1,751.

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

There are 1 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.

Can stopping save me money on London Heathrow Airport to Chicago flights?

You could potentially save up to 24% on your flight if you consider stops on a London Heathrow Airport to Chicago flight.

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 return 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

Best price found

$942

Fastest flight time

8h 35m

Direct flights

Every day

Airports in Chicago

1 airport
The best one-way flight to Chicago from London Heathrow Airport in the past 72 hours is $942. The best return flight deal from London Heathrow Airport to Chicago found on momondo in the last 72 hours is $812.
The fastest flight from London Heathrow Airport to Chicago takes 8h 35m
Direct flights go from London Heathrow Airport to Chicago every day.
There is 1 airport near Chicago: Chicago O'Hare Intl (ORD)

  • How far is London Heathrow to Chicago by plane?

    A flight from London Heathrow to Chicago will travel around 6330.3 km. Flights usually cover this in 8h 40m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London Heathrow Airport to Chicago are updated daily.

  • 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 stopovers 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 licence 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?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Chicago. momondo saves you time and could save you money on your trip.

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

All flight searches from London to Chicago on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Chicago.

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