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Cheap flights from London Heathrow Airport to Chicago from $310

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 1/13. 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.
7:55 pm - 3:30 pmLHR-ORD
25h 35m1 stop
8:20 pm - 5:30 pmORD-LHR
15h 10m1 stop
$484TAP AIR PORTUGAL
Find Deal
Sat, Jan 18 - Fri, Jan 24
6:00 am - 3:30 pmLHR-ORD
15h 30m1 stop
8:20 pm - 6:55 pmORD-LHR
16h 35m1 stop
$486TAP AIR PORTUGAL
Find Deal
Fri, Jan 31 - Fri, Feb 7
7:55 pm - 3:30 pmLHR-ORD
25h 35m1 stop
8:20 pm - 9:35 pmORD-LHR
19h 15m1 stop
$489TAP AIR PORTUGAL
Find Deal
Thu, Jan 16 - Fri, Jan 31
9:50 am - 7:15 pmLHR-ORD
15h 25m1 stop
9:00 pm - 2:25 pmORD-LHR
11h 25m1 stop
$576Aer Lingus
Find Deal
Mon, Jan 20 - Wed, Jan 22
10:15 am - 2:05 pmLHR-ORD
8h 50mnonstop
7:40 pm - 8:15 amORD-LHR
7h 35mnonstop
$604British Airways
Find Deal
Sun, Mar 16 - Mon, Mar 24
8:40 am - 4:52 pmLHR-ORD
14h 12m1 stop
6:35 pm - 8:15 amORD-LHR
7h 40mnonstop
$614American Airlines
Find Deal
Fri, Jan 10 - Mon, Jan 13
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
11:05 pm - 11:40 amORD-LHR
7h 35mnonstop
$615British Airways
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Wed, Mar 5 - Wed, Mar 12
8:55 am - 4:15 pmLHR-ORD
13h 20m1 stop
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
$618United Airlines
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Wed, Feb 12 - Thu, Feb 27
8:55 am - 4:15 pmLHR-ORD
13h 20m1 stop
9:10 pm - 11:15 amORD-LHR
8h 05mnonstop
$619United Airlines
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Tue, Jan 28 - Wed, Feb 19
11:45 am - 7:20 pmLHR-ORD
13h 35m1 stop
10:00 pm - 11:40 amORD-LHR
7h 40mnonstop
$634American Airlines
Find Deal
Thu, Jan 16 - Wed, Jan 22
3:15 pm - 12:29 pmLHR-ORD
51h 14m2 stops
Mon, Jan 13
3:15 pm - 2:19 pmLHR-MDW
53h 04m2 stops
Wed, Jan 29
3:15 pm - 12:29 pmLHR-ORD
51h 14m2 stops
Mon, Jan 13
12:15 pm - 5:20 pmLHR-ORD
11h 05m1 stop
$446Icelandair
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Wed, Jan 15
12:15 pm - 5:20 pmLHR-ORD
11h 05m1 stop
$449Icelandair
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Wed, Jan 29
9:50 am - 7:15 pmLHR-ORD
15h 25m1 stop
$490Aer Lingus
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Wed, Jan 22
7:45 pm - 7:15 pmLHR-ORD
29h 30m1 stop
$496Aer Lingus
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Sun, Jan 19
7:30 pm - 5:50 pmLHR-ORD
28h 20m1 stop
$542Scandinavian Airlines
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Fri, Feb 14
6:40 am - 3:50 pmLHR-ORD
15h 10m1 stop
$552Scandinavian Airlines
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Fri, Jan 10
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
$580Iberia
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Wed, Jan 22
6:40 am - 3:50 pmLHR-ORD
15h 10m1 stop
7:40 pm - 4:00 pmORD-LHR
14h 20m1 stop
$704Scandinavian Airlines
Find Deal
Thu, Dec 19 - Fri, Jan 31
7:05 am - 3:50 pmLHR-ORD
14h 45m2 stops
7:40 pm - 9:20 amORD-LHR
31h 40m1 stop
$728Scandinavian Airlines
Find Deal
Thu, Dec 19 - Fri, Jan 31
7:05 am - 3:50 pmLHR-ORD
14h 45m2 stops
7:40 pm - 6:30 pmORD-LHR
16h 50m2 stops
$755Scandinavian Airlines
Find Deal
Thu, Dec 19 - Fri, Jan 31
7:40 pm - 2:30 pmLHR-ORD
24h 50m1 stop
6:35 pm - 8:15 amORD-LHR
7h 40mnonstop
$1,094British Airways
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Mon, Dec 23 - Tue, Jan 7
6:00 pm - 7:32 pmLHR-ORD
31h 32m1 stop
6:08 pm - 6:40 amORD-LHR
30h 32m1 stop
$1,216Lufthansa
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Sat, Dec 21 - Sun, Dec 29
6:30 pm - 11:05 amLHR-ORD
22h 35m1 stop
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
$1,226Lufthansa
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Mon, Dec 23 - Wed, Jan 1
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
9:45 pm - 11:30 amORD-LHR
7h 45mnonstop
$1,409American Airlines
Find Deal
Mon, Dec 23 - Tue, Jan 7
10:25 am - 1:50 pmLHR-ORD
9h 25mnonstop
8:40 pm - 6:30 amORD-LHR
27h 50m1 stop
$1,411United Airlines
Find Deal
Fri, Dec 20 - Sat, Jan 11
11:10 am - 1:11 pmLHR-ORD
32h 01m1 stop
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
$1,415United Airlines
Find Deal
Sat, Dec 21 - Tue, Dec 31
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
10:00 pm - 11:40 amORD-LHR
7h 40mnonstop
$1,466British Airways
Find Deal
Mon, Dec 23 - Mon, Dec 30
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
6:35 pm - 8:15 amORD-LHR
7h 40mnonstop
$547British Airways
Find Deal
Wed, Jan 15 - Wed, Jan 22
11:00 am - 2:55 pmLHR-ORD
8h 55mnonstop
8:30 pm - 10:20 amORD-LHR
7h 50mnonstop
$555Finnair
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Wed, Mar 26 - Tue, Apr 1
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
9:45 pm - 11:30 amORD-LHR
7h 45mnonstop
$563Iberia
Find Deal
Mon, Jan 13 - Mon, Jan 27
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
9:56 pm - 11:40 amORD-LHR
7h 44mnonstop
$627Iberia
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Wed, Feb 12 - Wed, Feb 26
10:25 am - 2:50 pmLHR-ORD
9h 25mnonstop
9:20 pm - 11:45 amORD-LHR
8h 25mnonstop
$631Lufthansa
Find Deal
Tue, Mar 18 - Tue, Apr 1
10:25 am - 1:50 pmLHR-ORD
9h 25mnonstop
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
$635Lufthansa
Find Deal
Tue, Jan 14 - Tue, Jan 21
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
6:35 pm - 8:15 amORD-LHR
7h 40mnonstop
$643American Airlines
Find Deal
Tue, Jan 21 - Tue, Jan 28
10:25 am - 1:50 pmLHR-ORD
9h 25mnonstop
9:10 pm - 11:15 amORD-LHR
8h 05mnonstop
$652United Airlines
Find Deal
Wed, Jan 22 - Thu, Feb 6
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
6:35 pm - 8:15 amORD-LHR
7h 40mnonstop
$679American Airlines
Find Deal
Thu, Jan 16 - Mon, Jan 20
10:25 am - 1:50 pmLHR-ORD
9h 25mnonstop
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
$704United Airlines
Find Deal
Mon, Jan 13 - Thu, Feb 6

TAP AIR PORTUGAL flights from London Heathrow Airport to Chicago

Our best TAP AIR PORTUGAL deals on London Heathrow Airport to Chicago flight tickets
TAP AIR PORTUGAL
Jan 18
LHR7:55 pmLondon Heathrow
25h 35m
1 stop
ORD3:30 pmChicago O'Hare Intl
Jan 24
ORD8:20 pmChicago O'Hare Intl
15h 10m
1 stop
LHR5:30 pmLondon Heathrow
TAP AIR PORTUGAL
Jan 31
LHR6:00 amLondon Heathrow
15h 30m
1 stop
ORD3:30 pmChicago O'Hare Intl
Feb 7
ORD8:20 pmChicago O'Hare Intl
16h 35m
1 stop
LHR6:55 pmLondon Heathrow
TAP AIR PORTUGAL
Jan 16
LHR7:55 pmLondon Heathrow
25h 35m
1 stop
ORD3:30 pmChicago O'Hare Intl
Jan 31
ORD8:20 pmChicago O'Hare Intl
19h 15m
1 stop
LHR9:35 pmLondon Heathrow

Icelandair flights from London Heathrow Airport to Chicago

Our best Icelandair deals on London Heathrow Airport to Chicago flight tickets
Icelandair
Jan 20
LHR8:40 pmLondon Heathrow
26h 40m
1 stop
ORD5:20 pmChicago O'Hare Intl
Feb 3
ORD6:30 pmChicago O'Hare Intl
10h 20m
1 stop
LHR10:50 amLondon Heathrow
Icelandair
Jan 21
LHR8:40 pmLondon Heathrow
26h 40m
1 stop
ORD5:20 pmChicago O'Hare Intl
Jan 25
ORD6:30 pmChicago O'Hare Intl
19h 00m
1 stop
LHR7:30 pmLondon Heathrow
Icelandair
Jan 21
LHR12:15 pmLondon Heathrow
11h 05m
1 stop
ORD5:20 pmChicago O'Hare Intl
Jan 30
ORD6:30 pmChicago O'Hare Intl
19h 00m
1 stop
LHR7:30 pmLondon 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?

The month of February is, on average, the cheapest month to fly to Chicago from London Heathrow Airport, with most prices found around $564. If you’re not able to fly to Chicago in February, then January is your next best option. Flight prices from London Heathrow Airport to Chicago during January average around $612.

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

The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as $666. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Chicago for around $807.

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

Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from London Heathrow Airport to Chicago during this time can be as low as $653. In contrast, the most expensive time of day to depart to Chicago is in the afternoon when prices are around $782.

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 $727. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $682.

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

There are 4 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 46% 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 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

$310

Fastest flight time

8h 50m

Direct flights

Every day

Airports in Chicago

2 airports
The best one-way flight to Chicago from London Heathrow Airport in the past 72 hours is $310. The best round-trip flight deal from London Heathrow Airport to Chicago found on momondo in the last 72 hours is $484.
The fastest flight from London Heathrow Airport to Chicago takes 8h 50m
Direct flights go from London Heathrow Airport to Chicago every day.
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 $462Free CancellationRating
7.3
1,309 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom $483Free CancellationRating
7.1
1,877 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom $501Free CancellationRating
7.1
509 reviews
Search Icelandair flights
FinnairPriceFrom $535Free CancellationRating
7.7
1,285 reviews
Search Finnair flights
IberiaPriceFrom $555Free CancellationRating
7.0
2,656 reviews
Search Iberia flights
American AirlinesPriceFrom $556Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $558Free CancellationRating
6.6
6,820 reviews
Search British Airways flights
Aer LingusPriceFrom $579Free CancellationRating
7.1
1,073 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $584Free CancellationRating
7.4
9,055 reviews
Search United Airlines flights
LufthansaPriceFrom $646Free CancellationRating
6.8
7,091 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 28 Finnair flights for this route in a normal week, average airfare is usually $809 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, 9,059 ratings). United Airlines flies from London Heathrow Airport to Chicago around 14 times per week, with deals starting from $584 round-trip and rising to an average price of around $1,162.


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