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Cheap flights from London Heathrow Airport to Chicago from $341

This is the cheapest one-way 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 2/28. 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 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.
12:15 pm - 5:20 pmLHR-ORD
11h 05m1 stop
6:30 pm - 7:30 pmORD-LHR
19h 00m1 stop
$475Icelandair
Find Deal
Tue, Jan 14 - Thu, Jan 30
12:15 pm - 5:20 pmLHR-ORD
11h 05m1 stop
6:30 pm - 7:30 pmORD-LHR
19h 00m1 stop
$476Icelandair
Find Deal
Tue, Jan 14 - Thu, Jan 30
12:15 pm - 5:20 pmLHR-ORD
11h 05m1 stop
6:30 pm - 7:30 pmORD-LHR
19h 00m1 stop
$480Icelandair
Find Deal
Tue, Jan 14 - Wed, Jan 29
7:50 am - 2:00 pmLHR-ORD
12h 10m1 stop
3:55 pm - 9:05 amORD-LHR
11h 10m1 stop
$585Aer Lingus
Find Deal
Sat, Nov 23 - Tue, Dec 3
8:50 am - 5:55 pmLHR-ORD
15h 05m1 stop
3:55 pm - 10:20 amORD-LHR
12h 25m1 stop
$593Aer Lingus
Find Deal
Tue, Nov 12 - Tue, Nov 19
1:35 pm - 5:00 pmLHR-ORD
9h 25mnonstop
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
$635Lufthansa
Find Deal
Wed, Nov 27 - Wed, Dec 4
11:10 am - 6:25 pmLHR-ORD
13h 15m1 stop
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
$636United Airlines
Find Deal
Wed, Nov 27 - Wed, Dec 4
1:30 pm - 8:05 pmLHR-ORD
12h 35m1 stop
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
$637Lufthansa
Find Deal
Wed, Dec 4 - Tue, Mar 4
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
7:50 pm - 9:20 amORD-LHR
7h 30mnonstop
$643British Airways
Find Deal
Wed, Dec 4 - Wed, Mar 5
8:55 am - 4:15 pmLHR-ORD
13h 20m1 stop
9:10 pm - 11:15 amORD-LHR
8h 05mnonstop
$650United Airlines
Find Deal
Wed, Jan 22 - Tue, Feb 11
8:40 pm - 8:08 pmLHR-MDW
29h 28m2 stops
Fri, Feb 28
8:40 pm - 3:43 pmLHR-ORD
49h 03m3 stops
Sat, Dec 7
8:40 pm - 11:47 pmLHR-ORD
33h 07m3 stops
Sun, Feb 2
12:15 pm - 5:20 pmLHR-ORD
11h 05m1 stop
$456Icelandair
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Mon, Jan 20
1:05 pm - 6:20 pmLHR-ORD
11h 15m1 stop
$459Icelandair
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Tue, Apr 1
8:50 am - 2:00 pmLHR-ORD
11h 10m1 stop
$509Aer Lingus
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Tue, Nov 5
7:50 am - 2:00 pmLHR-ORD
12h 10m1 stop
$511Aer Lingus
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Wed, Dec 4
6:40 am - 3:50 pmLHR-ORD
15h 10m1 stop
$544Scandinavian Airlines
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Fri, Nov 22
7:50 pm - 3:50 pmLHR-ORD
26h 00m2 stops
$548Scandinavian Airlines
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Sun, Mar 2
5:05 pm - 10:47 amLHR-ORD
23h 42m1 stop
$633British Airways
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Mon, Jan 6
8:40 pm - 5:20 pmLHR-ORD
26h 40m1 stop
6:30 pm - 7:30 pmORD-LHR
19h 00m1 stop
$579Icelandair
Find Deal
Tue, Nov 5 - Tue, Nov 12
6:40 am - 5:05 pmLHR-ORD
15h 25m1 stop
7:10 pm - 4:00 pmORD-LHR
14h 50m1 stop
$582Scandinavian Airlines
Find Deal
Fri, Nov 1 - Fri, Nov 8
8:50 am - 2:00 pmLHR-ORD
11h 10m1 stop
3:55 pm - 9:05 amORD-LHR
11h 10m1 stop
$585Aer Lingus
Find Deal
Tue, Nov 5 - Sat, Nov 9
8:50 am - 2:00 pmLHR-ORD
11h 10m1 stop
3:55 pm - 9:05 amORD-LHR
11h 10m1 stop
$586Aer Lingus
Find Deal
Tue, Nov 5 - Sun, Nov 10
8:50 am - 2:00 pmLHR-ORD
11h 10m1 stop
3:55 pm - 10:20 amORD-LHR
12h 25m1 stop
$593Aer Lingus
Find Deal
Tue, Nov 5 - Tue, Nov 12
6:50 am - 12:15 pmLHR-ORD
11h 25m1 stop
8:25 pm - 6:30 amORD-LHR
28h 05m1 stop
$628Lufthansa
Find Deal
Tue, Nov 5 - Sat, Nov 23
10:25 am - 1:50 pmLHR-ORD
9h 25mnonstop
4:00 pm - 6:30 amORD-LHR
32h 30m1 stop
$640Lufthansa
Find Deal
Tue, Nov 5 - Sat, Nov 23
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
8:35 am - 8:40 amORD-LHR
18h 05m1 stop
$688Finnair
Find Deal
Mon, Nov 4 - Thu, Nov 14
10:35 am - 5:05 pmLHR-ORD
12h 30m1 stop
8:35 am - 8:40 amORD-LHR
18h 05m1 stop
$693Finnair
Find Deal
Mon, Nov 4 - Thu, Nov 14
1:35 pm - 6:00 pmLHR-ORD
9h 25mnonstop
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
$1,519United Airlines
Find Deal
Fri, Nov 1 - Sun, Nov 3
10:25 am - 1:50 pmLHR-ORD
9h 25mnonstop
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
$608Austrian Airlines
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Wed, Nov 27 - Wed, Dec 4
10:25 am - 1:50 pmLHR-ORD
9h 25mnonstop
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
$622Lufthansa
Find Deal
Wed, Dec 11 - Wed, Jan 15
11:55 am - 3:45 pmLHR-ORD
8h 50mnonstop
9:15 pm - 11:05 amORD-LHR
7h 50mnonstop
$627British Airways
Find Deal
Mon, Mar 24 - Mon, Mar 31
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
10:05 pm - 11:40 amORD-LHR
7h 35mnonstop
$628British Airways
Find Deal
Tue, Jan 14 - Thu, Jan 30
10:25 am - 1:50 pmLHR-ORD
9h 25mnonstop
9:10 pm - 11:15 amORD-LHR
8h 05mnonstop
$659United Airlines
Find Deal
Mon, Jan 27 - Thu, Feb 6
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
5:55 pm - 7:50 amORD-LHR
7h 55mnonstop
$660Finnair
Find Deal
Wed, Jan 8 - Wed, May 14
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
10:00 pm - 11:40 amORD-LHR
7h 40mnonstop
$687Finnair
Find Deal
Wed, Jan 8 - Sun, Jan 12
10:25 am - 1:50 pmLHR-ORD
9h 25mnonstop
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
$697United Airlines
Find Deal
Tue, Nov 12 - Tue, Nov 19
11:55 am - 3:45 pmLHR-ORD
8h 50mnonstop
11:05 pm - 11:40 amORD-LHR
7h 35mnonstop
$713American Airlines
Find Deal
Mon, Mar 10 - Fri, Mar 14
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
6:35 pm - 8:15 amORD-LHR
7h 40mnonstop
$732American Airlines
Find Deal
Fri, Jan 17 - Sun, Jan 26

Scandinavian Airlines flights from London Heathrow Airport to Chicago

Our best Scandinavian Airlines deals on London Heathrow Airport to Chicago flight tickets
Scandinavian Airlines
Apr 22
LHR10:20 amLondon Heathrow
11h 50m
1 stop
ORD4:10 pmChicago O'Hare Intl
Apr 29
ORD7:15 pmChicago O'Hare Intl
14h 45m
1 stop
LHR4:00 pmLondon Heathrow
Scandinavian Airlines
Dec 26
LHR6:40 amLondon Heathrow
15h 10m
1 stop
ORD3:50 pmChicago O'Hare Intl
Jan 16
ORD7:10 pmChicago O'Hare Intl
20h 30m
1 stop
LHR9:40 pmLondon Heathrow
Scandinavian Airlines
Dec 6
LHR6:40 amLondon Heathrow
15h 10m
1 stop
ORD3:50 pmChicago O'Hare Intl
Jan 11
ORD7:10 pmChicago O'Hare Intl
20h 30m
1 stop
LHR9:40 pmLondon Heathrow

Aer Lingus flights from London Heathrow Airport to Chicago

Our best Aer Lingus deals on London Heathrow Airport to Chicago flight tickets
Aer Lingus
Nov 13
LHR7:50 amLondon Heathrow
12h 10m
1 stop
ORD2:00 pmChicago O'Hare Intl
Dec 2
ORD3:55 pmChicago O'Hare Intl
11h 10m
1 stop
LHR9:05 amLondon Heathrow
Aer Lingus
Nov 23
LHR7:50 amLondon Heathrow
12h 10m
1 stop
ORD2:00 pmChicago O'Hare Intl
Dec 3
ORD3:55 pmChicago O'Hare Intl
11h 10m
1 stop
LHR9:05 amLondon Heathrow
Aer Lingus
Nov 5
LHR8:50 amLondon Heathrow
11h 10m
1 stop
ORD2:00 pmChicago O'Hare Intl
Nov 10
ORD3:55 pmChicago O'Hare Intl
11h 10m
1 stop
LHR9:05 amLondon Heathrow

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 typical price of a round-trip flight between London Heathrow Airport and Chicago?

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

February. The cheapest time of year to fly to Chicago from London Heathrow Airport is February. Most expensive is August

What is the cheapest day to depart London Heathrow Airport for Chicago?

Sunday. The cheapest day of the week is typically Sunday. The most expensive is typically Saturday

When is the cheapest time to fly from London Heathrow Airport to Chicago?

In the evening. London Heathrow Airport to Chicago flights are approximately 35% more expensive in the afternoon than in the evening

What is the cheapest airline that flies to Chicago from London Heathrow Airport?

Scandinavian Airlines. Scandinavian Airlines, Finnair, and Icelandair are the most popular carriers operating from London Heathrow Airport to Chicago

How far in advance should you book London Heathrow Airport to Chicago flights?

13 days before. The cheapest time to buy a flight from London Heathrow Airport to Chicago is approximately 13 days to departure

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

The number of flights available between London Heathrow Airport and Chicago is 19 per day as of October 2024. The most frequent departure time is 11:00AM, with 53% of daily flights leaving in the afternoon.

How many flights depart from London Heathrow Airport to Chicago on average per week?

The number of flights available between London Heathrow Airport and Chicago is 135 per week as of October 2024. The most frequent departure day is Thursday, with 27% of weekly flights leaving on this day.

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

There are 3 cabin classes available to choose from on London Heathrow Airport 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 47% 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 October 2024, prices for London Heathrow Airport to Chicago flights are approximately 9% 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

Best Price Found

$341

Fastest flight time

8h 50m

Direct flights

Wed, Thu and Sat

Airports in Chicago

2 airports
The best one-way flight to Chicago from London Heathrow Airport in the past 72 hours is $341. The best round-trip flight deal from London Heathrow Airport to Chicago found on momondo in the last 72 hours is $475.
The fastest flight from London Heathrow Airport to Chicago takes 8h 50m
Direct flights go from London Heathrow Airport to Chicago on Wednesday, Thursday and Saturday. Airlines offering direct flights are: Austrian Airlines, Lufthansa and Finnair.
There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

  • How far is London Heathrow to Chicago by plane?

    There are 3933.5 mi between London Heathrow and Chicago. 8h 50m is a normal flight duration for this route.

  • 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 many operators does momondo search for flights from London Heathrow Airport to Chicago?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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


Best airlines flying from London Heathrow Airport to Chicago

Compare and see reviews for airlines that fly from London Heathrow Airport to Chicago with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $445Free CancellationRating
7.3
1,300 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom $483Free CancellationRating
7.1
1,906 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom $501Free CancellationRating
7.2
585 reviews
Search Icelandair flights
IberiaPriceFrom $525Free CancellationRating
7.0
2,670 reviews
Search Iberia flights
FinnairPriceFrom $535Free CancellationRating
7.7
1,318 reviews
Search Finnair flights
British AirwaysPriceFrom $537Free CancellationRating
6.7
6,843 reviews
Search British Airways flights
American AirlinesPriceFrom $556Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $557Free CancellationRating
7.4
9,240 reviews
Search United Airlines flights
Aer LingusPriceFrom $578Free CancellationRating
7.1
1,088 reviews
Search Aer Lingus flights
LufthansaPriceFrom $598Free CancellationRating
6.8
7,182 reviews
Search Lufthansa flights
  • Finnair Flights From London Heathrow Airport to Chicago

    Finnair flight deals from London Heathrow Airport to Chicago start from $535 round-trip. Over the 21 Finnair flights for this route in a normal week, average airfare is usually $662 round-trip - but some users have found much cheaper deals with momondo.

  • United Airlines Flights From London Heathrow Airport to Chicago

    Another popular option for London Heathrow Airport to Chicago flights is United Airlines (7.4/10, 9,240 ratings). United Airlines flies from London Heathrow Airport to Chicago around 12 times per week, with deals starting from $557 round-trip and rising to an average price of around $742.


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 provides multiple filters to help you find the best flight to Chicago from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of London to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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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 78.5 mi from Chicago