Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London Heathrow Airport to Chicago from £279

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 30/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

'This year, momondo is the #1 place for airfares on the internet.'
Voted winner of Europe's Best Travel App 2023
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

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.
06:00 - 15:30LHR-ORD
15h 30m1 stop
20:20 - 21:35ORD-LHR
19h 15m1 stop
£369TAP AIR PORTUGAL
Find Deal
Fri, 17 Jan - Fri, 31 Jan
19:55 - 15:30LHR-ORD
25h 35m1 stop
19:15 - 15:30ORD-LHR
14h 15m1 stop
£370TAP AIR PORTUGAL
Find Deal
Thu, 16 Jan - Wed, 22 Jan
08:50 - 14:00LHR-ORD
11h 10m1 stop
15:55 - 08:05ORD-LHR
10h 10m1 stop
£440Aer Lingus
Find Deal
Wed, 4 Dec - Sun, 15 Dec
06:10 - 15:30LHR-ORD
14h 20m1 stop
15:00 - 10:15ORD-LHR
14h 15m1 stop
£450Finnair
Find Deal
Tue, 18 Mar - Mon, 24 Mar
08:50 - 14:00LHR-ORD
11h 10m1 stop
15:55 - 08:05ORD-LHR
10h 10m1 stop
£453Aer Lingus
Find Deal
Thu, 5 Dec - Sun, 15 Dec
17:05 - 07:30LHR-ORD
20h 25m1 stop
18:25 - 08:15ORD-LHR
7h 50mdirect
£460Finnair
Find Deal
Wed, 12 Feb - Wed, 19 Feb
11:00 - 13:55LHR-ORD
8h 55mdirect
17:00 - 06:50ORD-LHR
7h 50mdirect
£486British Airways
Find Deal
Wed, 12 Feb - Tue, 18 Feb
10:25 - 13:50LHR-ORD
9h 25mdirect
21:10 - 11:15ORD-LHR
8h 05mdirect
£500Lufthansa
Find Deal
Wed, 12 Feb - Wed, 19 Feb
10:25 - 13:50LHR-ORD
9h 25mdirect
21:10 - 11:15ORD-LHR
8h 05mdirect
£505Lufthansa
Find Deal
Mon, 27 Jan - Thu, 6 Feb
11:55 - 14:45LHR-ORD
8h 50mdirect
21:55 - 11:40ORD-LHR
7h 45mdirect
£508British Airways
Find Deal
Mon, 3 Feb - Wed, 5 Mar
09:55 - 20:45LHR-ORD
40h 50m3 stops
Thu, 30 Jan
15:15 - 15:13LHR-ORD
53h 58m3 stops
Thu, 6 Feb
20:40 - 21:05LHR-MDW
30h 25m2 stops
Sun, 9 Feb
08:50 - 19:15LHR-ORD
16h 25m1 stop
£393Aer Lingus
Find Deal
Mon, 20 Jan
07:50 - 19:15LHR-ORD
17h 25m1 stop
£394Aer Lingus
Find Deal
Tue, 11 Feb
19:00 - 10:47LHR-ORD
21h 47m1 stop
£474British Airways
Find Deal
Tue, 7 Jan
19:50 - 10:47LHR-ORD
20h 57m1 stop
£485British Airways
Find Deal
Mon, 6 Jan
11:55 - 14:45LHR-ORD
8h 50mdirect
£490Finnair
Find Deal
Tue, 7 Jan
13:35 - 17:00LHR-ORD
9h 25mdirect
£515Lufthansa
Find Deal
Tue, 11 Feb
11:55 - 14:45LHR-ORD
8h 50mdirect
£519Finnair
Find Deal
Thu, 5 Dec
07:50 - 14:00LHR-ORD
12h 10m1 stop
15:55 - 08:05ORD-LHR
10h 10m1 stop
£459Aer Lingus
Find Deal
Sun, 24 Nov - Tue, 17 Dec
06:00 - 15:30LHR-ORD
15h 30m1 stop
20:25 - 17:30ORD-LHR
15h 05m1 stop
£478TAP AIR PORTUGAL
Find Deal
Fri, 22 Nov - Sun, 1 Dec
06:50 - 12:15LHR-ORD
11h 25m1 stop
20:25 - 06:30ORD-LHR
28h 05m1 stop
£483Lufthansa
Find Deal
Tue, 26 Nov - Sat, 30 Nov
10:25 - 13:50LHR-ORD
9h 25mdirect
16:00 - 06:30ORD-LHR
32h 30m1 stop
£489Lufthansa
Find Deal
Sat, 23 Nov - Sat, 30 Nov
20:40 - 17:20LHR-ORD
26h 40m1 stop
18:30 - 19:30ORD-LHR
19h 00m1 stop
£490Icelandair
Find Deal
Tue, 26 Nov - Tue, 10 Dec
20:40 - 17:20LHR-ORD
26h 40m1 stop
18:30 - 19:30ORD-LHR
19h 00m1 stop
£515Icelandair
Find Deal
Tue, 26 Nov - Tue, 3 Dec
11:25 - 14:30LHR-ORD
33h 05m1 stop
08:35 - 08:40ORD-LHR
18h 05m1 stop
£520Finnair
Find Deal
Tue, 26 Nov - Tue, 3 Dec
11:25 - 14:30LHR-ORD
33h 05m1 stop
08:35 - 08:40ORD-LHR
18h 05m1 stop
£523Finnair
Find Deal
Sat, 23 Nov - Tue, 3 Dec
06:40 - 21:51LHR-ORD
21h 11m2 stops
19:15 - 13:35ORD-LHR
12h 20m1 stop
£575Scandinavian Airlines
Find Deal
Mon, 25 Nov - Fri, 4 Apr
21:05 - 15:50LHR-ORD
24h 45m2 stops
19:15 - 16:00ORD-LHR
14h 45m1 stop
£586Scandinavian Airlines
Find Deal
Tue, 26 Nov - Tue, 8 Apr
11:00 - 13:55LHR-ORD
8h 55mdirect
17:00 - 06:50ORD-LHR
7h 50mdirect
£486British Airways
Find Deal
Wed, 12 Feb - Tue, 18 Feb
11:00 - 13:55LHR-ORD
8h 55mdirect
18:30 - 08:15ORD-LHR
7h 45mdirect
Thu, 5 Dec - Sun, 8 Dec
10:25 - 13:50LHR-ORD
9h 25mdirect
21:10 - 11:15ORD-LHR
8h 05mdirect
£500Lufthansa
Find Deal
Wed, 12 Feb - Wed, 19 Feb
10:25 - 13:50LHR-ORD
9h 25mdirect
21:10 - 11:15ORD-LHR
8h 05mdirect
£501Austrian Airlines
Find Deal
Mon, 17 Feb - Thu, 27 Feb
10:25 - 13:50LHR-ORD
9h 25mdirect
21:10 - 11:15ORD-LHR
8h 05mdirect
£505Lufthansa
Find Deal
Mon, 27 Jan - Thu, 6 Feb
10:25 - 13:50LHR-ORD
9h 25mdirect
18:50 - 07:55ORD-LHR
8h 05mdirect
£511Austrian Airlines
Find Deal
Wed, 5 Feb - Tue, 11 Mar
11:55 - 14:45LHR-ORD
8h 50mdirect
18:35 - 08:15ORD-LHR
7h 40mdirect
£534Finnair
Find Deal
Tue, 7 Jan - Sun, 12 Jan
11:00 - 13:55LHR-ORD
8h 55mdirect
22:05 - 11:40ORD-LHR
7h 35mdirect
£550Finnair
Find Deal
Tue, 4 Feb - Sat, 8 Mar
14:10 - 17:00LHR-ORD
8h 50mdirect
17:00 - 06:50ORD-LHR
7h 50mdirect
£613Iberia
Find Deal
Sun, 8 Dec - Wed, 18 Dec
11:00 - 13:55LHR-ORD
8h 55mdirect
22:00 - 11:40ORD-LHR
7h 40mdirect
£639Iberia
Find Deal
Tue, 3 Dec - Tue, 10 Dec

Icelandair flights from London Heathrow Airport to Chicago

Our best Icelandair deals on London Heathrow Airport to Chicago flight tickets
Icelandair
26 Mar
LHR08:25London Heathrow
29h 18m
1 stop
ORD08:43Chicago O'Hare Intl
1 Apr
ORD11:01Chicago O'Hare Intl
27h 44m
1 stop
LHR20:45London Heathrow
Icelandair
12 Feb
LHR08:25London Heathrow
15h 30m
1 stop
ORD17:55Chicago O'Hare Intl
24 Feb
ORD17:40Chicago O'Hare Intl
21h 05m
1 stop
LHR20:45London Heathrow
Icelandair
13 Jan
LHR12:15London Heathrow
11h 05m
1 stop
ORD17:20Chicago O'Hare Intl
27 Jan
ORD18:30Chicago O'Hare Intl
10h 20m
1 stop
LHR10:50London Heathrow

Scandinavian Airlines flights from London Heathrow Airport to Chicago

Our best Scandinavian Airlines deals on London Heathrow Airport to Chicago flight tickets
Scandinavian Airlines
10 Jan
LHR06:40London Heathrow
15h 10m
1 stop
ORD15:50Chicago O'Hare Intl
18 Jan
ORD19:10Chicago O'Hare Intl
14h 50m
1 stop
LHR16:00London Heathrow
Scandinavian Airlines
21 Feb
LHR19:50London Heathrow
26h 00m
2 stops
ORD15:50Chicago O'Hare Intl
1 Mar
ORD19:10Chicago O'Hare Intl
20h 30m
1 stop
LHR21:40London Heathrow
Scandinavian Airlines
21 Feb
LHR19:50London Heathrow
26h 00m
2 stops
ORD15:50Chicago O'Hare Intl
1 Mar
ORD19:10Chicago O'Hare Intl
17h 40m
2 stops
LHR18:50London 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 from London Heathrow Airport to Chicago?

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

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

Wednesday. The cheapest day of the week is usually Wednesday. The most expensive is usually Sunday.

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

In the afternoon. London Heathrow Airport to Chicago flights are approximately 4% more expensive in the evening than in the afternoon

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

24 days before. The cheapest time to buy a flight from London Heathrow Airport to Chicago is approximately 24 days to departure

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

There are 2 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 40% 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 November 2024, prices for London Heathrow Airport to Chicago flights are approximately 9% more expensive when compared to flights at the same time last year.

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


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

£279

Fastest flight time

8h 40m

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 £279. The best return flight deal from London Heathrow Airport to Chicago found on momondo in the last 72 hours is £369.
The fastest flight from London Heathrow Airport to Chicago takes 8h 40m
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?

    The distance between London Heathrow and Chicago is about 3933.5 mi. Typically, this will take 8h 40m by plane in normal conditions.

  • 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 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 necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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 £375Free CancellationRating
7.3
1,301 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom £386Free CancellationRating
7.1
1,892 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom £389Free CancellationRating
7.2
555 reviews
Search Icelandair flights
Virgin AtlanticPriceFrom £396Free CancellationRating
7.5
663 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £426Free CancellationRating
6.6
6,837 reviews
Search British Airways flights
LufthansaPriceFrom £429Free CancellationRating
6.8
7,148 reviews
Search Lufthansa flights
KLMPriceFrom £437Free CancellationRating
7.8
1,350 reviews
Search KLM flights
United AirlinesPriceFrom £449Free CancellationRating
7.4
9,171 reviews
Search United Airlines flights
Aer LingusPriceFrom £450Free CancellationRating
7.1
1,089 reviews
Search Aer Lingus flights
Austrian AirlinesPriceFrom £455Free CancellationRating
7.6
805 reviews
Search Austrian Airlines flights
  • Finnair Flights From London Heathrow Airport to Chicago

    Finnair is one of the most popular airlines flying from London Heathrow Airport to Chicago, operating 27 flights/week on average for this route. A good Finnair flight deal for London Heathrow Airport to Chicago starts from £580 round-trip, up to an average price of £760. Our users have rated Finnair at 7.7/10.

  • Austrian Airlines Flights From London Heathrow Airport to Chicago

    £577 is the best Austrian Airlines flight deal from London Heathrow Airport to Chicago found on momondo over the last 72 hours. The average Austrian Airlines ticket price found was closer to £759, however, with flight time and availability significantly affecting the price. Austrian Airlines (7.6/10 from 805 user reviews) flies into Chicago from London Heathrow Airport 14 times in an average week so prices can vary.


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?

Flights from London to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

Yes. momondo can track prices for London to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


An easier way to manage your Chicago trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 26/11
Tue 3/12
Email me momondo's favourite deals

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