Cheap flights from London Heathrow Airport to Chicago from $301

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 10/30. 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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0 bags

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Find the cheapest flights from London Heathrow Airport to Chicago

Cheap round-trip flights

Brussels Airlines Logo
11:05 am - 2:10 pmLHR-ORD
9h 05mnonstop
Brussels Airlines Logo
6:00 pm - 8:20 amORD-LHR
8h 20mnonstop
$450Brussels Airlines
Find Deal
Mon, Aug 25 - Tue, Sep 9
Lufthansa Logo
10:30 am - 8:05 pmLHR-ORD
15h 35m1 stop
Lufthansa Logo
4:00 pm - 10:45 amORD-LHR
12h 45m1 stop
$487Lufthansa
Find Deal
Mon, Nov 17 - Sat, Nov 29
Lufthansa Logo
1:30 pm - 8:05 pmLHR-ORD
12h 35m1 stop
Lufthansa Logo
10:35 pm - 3:50 pmORD-LHR
11h 15m1 stop
$489Lufthansa
Find Deal
Mon, Nov 3 - Sat, Nov 15
SWISS Logo
8:55 am - 4:15 pmLHR-ORD
13h 20m1 stop
SWISS Logo
7:05 pm - 4:20 pmORD-LHR
15h 15m1 stop
$491SWISS
Find Deal
Mon, Nov 10 - Sun, Nov 23
JetBlue Logo
8:15 am - 12:10 pmLHR-ORD
33h 55m1 stop
JetBlue Logo
8:34 am - 9:30 amORD-LHR
18h 56m1 stop
$507JetBlue
Find Deal
Sat, Sep 20 - Sat, Sep 27
JetBlue Logo
11:55 am - 12:10 pmLHR-ORD
30h 15m1 stop
JetBlue Logo
8:50 am - 5:55 amORD-LHR
16h 05m1 stop
$509JetBlue
Find Deal
Tue, Oct 21 - Sat, Nov 1
Scandinavian Airlines Logo
10:20 am - 4:45 pmLHR-ORD
12h 25m1 stop
Scandinavian Airlines Logo
7:20 pm - 4:00 pmORD-LHR
14h 40m1 stop
$510Scandinavian Airlines
Find Deal
Wed, Nov 19 - Wed, Nov 26
Scandinavian Airlines Logo
6:40 am - 4:45 pmLHR-ORD
16h 05m1 stop
Scandinavian Airlines Logo
7:20 pm - 4:25 pmORD-LHR
15h 05m2 stops
$511Scandinavian Airlines
Find Deal
Sat, Nov 15 - Wed, Dec 3
Icelandair Logo
11:55 am - 10:28 pmLHR-ORD
16h 33m1 stop
Icelandair Logo
12:07 pm - 8:45 pmORD-LHR
26h 38m1 stop
$514Icelandair
Find Deal
Tue, Aug 5 - Tue, Aug 12
Icelandair Logo
11:55 am - 10:28 pmLHR-ORD
16h 33m1 stop
Icelandair Logo
12:07 pm - 8:45 pmORD-LHR
26h 38m1 stop
$516Icelandair
Find Deal
Tue, Aug 5 - Tue, Aug 12

American Airlines flights from London Heathrow Airport to Chicago

Our best American Airlines deals on London Heathrow Airport to Chicago flight tickets
American Airlines
Jul 16
LHR10:05 amLondon Heathrow
12h 48m
1 stop
ORD4:53 pmChicago O'Hare Intl
Aug 13
ORD10:35 pmChicago O'Hare Intl
7h 40m
LHR12:15 pmLondon Heathrow
American Airlines
Jul 16
LHR10:05 amLondon Heathrow
12h 48m
1 stop
ORD4:53 pmChicago O'Hare Intl
Aug 13
ORD4:57 pmChicago O'Hare Intl
12h 08m
1 stop
LHR11:05 amLondon Heathrow
American Airlines
Jul 16
LHR10:05 amLondon Heathrow
13h 38m
1 stop
ORD5:43 pmChicago O'Hare Intl
Jul 23
ORD4:36 pmChicago O'Hare Intl
12h 29m
1 stop
LHR11:05 amLondon Heathrow

Virgin Atlantic flights from London Heathrow Airport to Chicago

Our best Virgin Atlantic deals on London Heathrow Airport to Chicago flight tickets
Virgin Atlantic
Nov 11
LHR8:40 amLondon Heathrow
15h 56m
2 stops
MDW6:36 pmChicago Midway
Nov 16
MDW1:05 pmChicago Midway
12h 45m
1 stop
LHR7:50 amLondon Heathrow
Virgin Atlantic
Oct 31
LHR6:30 amLondon Heathrow
20h 14m
2 stops
MDW9:44 pmChicago Midway
Nov 8
MDW6:45 pmChicago Midway
11h 30m
1 stop
LHR12:15 pmLondon Heathrow
Virgin Atlantic
Nov 3
LHR12:20 pmLondon Heathrow
12h 16m
1 stop
MDW6:36 pmChicago Midway
Nov 15
MDW1:00 pmChicago Midway
13h 50m
1 stop
LHR8:50 amLondon 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 $599. If you’re not able to fly to Chicago in February, then March is your next best option. Flight prices from London Heathrow Airport to Chicago during March average around $606.

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 Friday when prices can be found for as low as $803. 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 $939.

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 $959.

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?

You are more likely to see cheaper flights to Chicago from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $740 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from London Heathrow Airport for as low as $703 on momondo.

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?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Chicago.

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

As of July 2025, prices for London Heathrow Airport to Chicago flights are approximately 9% more expensive 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

$301

Fastest flight time

9h 05m

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 $301. The best round-trip flight deal from London Heathrow Airport to Chicago found on momondo in the last 72 hours is $450.
The fastest flight from London Heathrow Airport to Chicago takes 9h 05m
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. 9h 05m 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
IcelandairPriceFrom $451Free CancellationRating
7.0
514 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $462Free CancellationRating
7.3
1,419 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $485Free CancellationRating
7.4
8,846 reviews
Search United Airlines flights
British AirwaysPriceFrom $551Free CancellationRating
6.6
7,109 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom $558Free CancellationRating
7.1
1,914 reviews
Search TAP AIR PORTUGAL flights
Aer LingusPriceFrom $568Free CancellationRating
7.1
1,152 reviews
Search Aer Lingus flights
IberiaPriceFrom $582Free CancellationRating
7.0
2,826 reviews
Search Iberia flights
American AirlinesPriceFrom $582Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Austrian AirlinesPriceFrom $586Free CancellationRating
7.6
806 reviews
Search Austrian Airlines flights
FinnairPriceFrom $607Free CancellationRating
7.6
1,312 reviews
Search Finnair flights
  • Austrian Airlines Flights From London Heathrow Airport to Chicago

    Austrian Airlines flight deals from London Heathrow Airport to Chicago start from $586 round-trip. Over the 21 Austrian Airlines flights for this route in a normal week, average airfare is usually $987 round-trip - but some users have found much cheaper deals with momondo.

  • Finnair Flights From London Heathrow Airport to Chicago

    Another popular option for London Heathrow Airport to Chicago flights is Finnair (7.6/10, 1,312 ratings). Finnair flies from London Heathrow Airport to Chicago around 34 times per week, with deals starting from $607 round-trip and rising to an average price of around $838.


Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Portage
Lansing
Schererville
Valparaiso
Crown Point
Munster
Monticello
Chesterton
Porter
Griffith
Saint John

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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1 adult
Tue 7/15
Tue 7/22

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