Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London Heathrow Airport to Chicago from £245

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 13/1. 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.
19:55 - 15:30LHR-ORD
25h 35m1 stop
20:20 - 17:30ORD-LHR
15h 10m1 stop
£382TAP AIR PORTUGAL
Find Deal
Sat, 18 Jan - Fri, 24 Jan
06:00 - 15:30LHR-ORD
15h 30m1 stop
20:20 - 18:55ORD-LHR
16h 35m1 stop
£383TAP AIR PORTUGAL
Find Deal
Fri, 31 Jan - Fri, 7 Feb
19:55 - 15:30LHR-ORD
25h 35m1 stop
20:20 - 21:35ORD-LHR
19h 15m1 stop
£386TAP AIR PORTUGAL
Find Deal
Thu, 16 Jan - Fri, 31 Jan
06:30 - 14:30LHR-ORD
14h 00m1 stop
18:26 - 08:15ORD-LHR
7h 49mdirect
£424Finnair
Find Deal
Mon, 27 Jan - Mon, 24 Feb
11:55 - 14:45LHR-ORD
8h 50mdirect
18:35 - 08:15ORD-LHR
7h 40mdirect
£437Finnair
Find Deal
Tue, 4 Feb - Tue, 11 Feb
11:55 - 14:45LHR-ORD
8h 50mdirect
16:55 - 06:50ORD-LHR
7h 55mdirect
£444British Airways
Find Deal
Tue, 21 Jan - Mon, 19 May
09:50 - 19:15LHR-ORD
15h 25m1 stop
21:00 - 14:25ORD-LHR
11h 25m1 stop
£454Aer Lingus
Find Deal
Mon, 20 Jan - Wed, 22 Jan
07:30 - 15:15LHR-ORD
13h 45m1 stop
20:40 - 06:30ORD-LHR
27h 50m1 stop
£461Lufthansa
Find Deal
Tue, 14 Jan - Sat, 18 Jan
18:00 - 13:11LHR-ORD
25h 11m1 stop
17:50 - 07:55ORD-LHR
8h 05mdirect
£461Lufthansa
Find Deal
Sat, 15 Feb - Sat, 22 Feb
11:55 - 14:45LHR-ORD
8h 50mdirect
22:55 - 12:45ORD-LHR
7h 50mdirect
£474British Airways
Find Deal
Wed, 22 Jan - Fri, 16 May
15:15 - 12:29LHR-ORD
51h 14m2 stops
Mon, 13 Jan
15:15 - 14:19LHR-MDW
53h 04m2 stops
Wed, 29 Jan
15:15 - 12:29LHR-ORD
51h 14m2 stops
Mon, 27 Jan
12:15 - 17:20LHR-ORD
11h 05m1 stop
£352Icelandair
Find Deal
Wed, 15 Jan
12:15 - 17:20LHR-ORD
11h 05m1 stop
£354Icelandair
Find Deal
Wed, 29 Jan
12:10 - 18:55LHR-ORD
11h 45m1 stop
£380Aer Lingus
Find Deal
Tue, 18 Mar
09:50 - 19:15LHR-ORD
15h 25m1 stop
£386Aer Lingus
Find Deal
Wed, 22 Jan
19:30 - 17:50LHR-ORD
28h 20m1 stop
£427Scandinavian Airlines
Find Deal
Fri, 14 Feb
06:40 - 15:50LHR-ORD
15h 10m1 stop
£435Scandinavian Airlines
Find Deal
Fri, 10 Jan
11:00 - 13:55LHR-ORD
8h 55mdirect
£439Finnair
Find Deal
Wed, 15 Jan
06:40 - 15:50LHR-ORD
15h 10m1 stop
19:40 - 16:00ORD-LHR
14h 20m1 stop
£555Scandinavian Airlines
Find Deal
Thu, 19 Dec - Fri, 31 Jan
07:05 - 15:50LHR-ORD
14h 45m2 stops
19:40 - 09:20ORD-LHR
31h 40m1 stop
£574Scandinavian Airlines
Find Deal
Thu, 19 Dec - Fri, 31 Jan
07:05 - 15:50LHR-ORD
14h 45m2 stops
19:40 - 18:30ORD-LHR
16h 50m2 stops
£595Scandinavian Airlines
Find Deal
Thu, 19 Dec - Fri, 31 Jan
19:40 - 14:30LHR-ORD
24h 50m1 stop
18:35 - 08:15ORD-LHR
7h 40mdirect
£863British Airways
Find Deal
Mon, 23 Dec - Tue, 7 Jan
17:05 - 07:30LHR-ORD
20h 25m1 stop
18:25 - 08:15ORD-LHR
7h 50mdirect
£872Finnair
Find Deal
Mon, 23 Dec - Mon, 30 Dec
10:05 - 18:15LHR-ORD
14h 10m1 stop
09:45 - 06:15ORD-LHR
14h 30m1 stop
£903Finnair
Find Deal
Sat, 21 Dec - Tue, 31 Dec
20:40 - 17:20LHR-ORD
26h 40m1 stop
18:30 - 10:50ORD-LHR
10h 20m1 stop
£924Icelandair
Find Deal
Sat, 21 Dec - Sat, 28 Dec
20:40 - 17:20LHR-ORD
26h 40m1 stop
18:30 - 10:50ORD-LHR
10h 20m1 stop
£956Icelandair
Find Deal
Sat, 21 Dec - Tue, 31 Dec
18:00 - 19:32LHR-ORD
31h 32m1 stop
18:08 - 06:40ORD-LHR
30h 32m1 stop
£959Lufthansa
Find Deal
Sat, 21 Dec - Sun, 29 Dec
18:30 - 11:05LHR-ORD
22h 35m1 stop
17:50 - 07:55ORD-LHR
8h 05mdirect
£967Lufthansa
Find Deal
Mon, 23 Dec - Wed, 1 Jan
10:25 - 13:50LHR-ORD
9h 25mdirect
17:50 - 07:55ORD-LHR
8h 05mdirect
£409Austrian Airlines
Find Deal
Mon, 3 Feb - Wed, 12 Feb
10:25 - 13:50LHR-ORD
9h 25mdirect
21:10 - 11:15ORD-LHR
8h 05mdirect
Tue, 21 Jan - Tue, 28 Jan
13:35 - 17:00LHR-ORD
9h 25mdirect
21:10 - 11:15ORD-LHR
8h 05mdirect
£411Lufthansa
Find Deal
Mon, 27 Jan - Mon, 10 Feb
11:55 - 14:45LHR-ORD
8h 50mdirect
18:35 - 08:15ORD-LHR
7h 40mdirect
£431British Airways
Find Deal
Wed, 15 Jan - Wed, 22 Jan
11:55 - 14:45LHR-ORD
8h 50mdirect
19:40 - 08:15ORD-LHR
7h 35mdirect
£437British Airways
Find Deal
Mon, 13 Jan - Mon, 17 Mar
11:00 - 14:55LHR-ORD
8h 55mdirect
20:30 - 10:20ORD-LHR
7h 50mdirect
£438Finnair
Find Deal
Wed, 26 Mar - Tue, 1 Apr
10:25 - 13:50LHR-ORD
9h 25mdirect
17:50 - 07:55ORD-LHR
8h 05mdirect
£443Lufthansa
Find Deal
Mon, 27 Jan - Fri, 7 Feb
11:55 - 14:45LHR-ORD
8h 50mdirect
22:00 - 11:40ORD-LHR
7h 40mdirect
£451Finnair
Find Deal
Tue, 28 Jan - Mon, 10 Feb
11:00 - 13:55LHR-ORD
8h 55mdirect
17:00 - 06:50ORD-LHR
7h 50mdirect
£521Iberia
Find Deal
Mon, 20 Jan - Mon, 3 Feb
10:15 - 14:05LHR-ORD
8h 50mdirect
22:45 - 11:30ORD-LHR
7h 45mdirect
£653Iberia
Find Deal
Tue, 18 Mar - Sat, 22 Mar

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
18 Jan
LHR19:55London Heathrow
25h 35m
1 stop
ORD15:30Chicago O'Hare Intl
24 Jan
ORD20:20Chicago O'Hare Intl
15h 10m
1 stop
LHR17:30London Heathrow
TAP AIR PORTUGAL
31 Jan
LHR06:00London Heathrow
15h 30m
1 stop
ORD15:30Chicago O'Hare Intl
7 Feb
ORD20:20Chicago O'Hare Intl
16h 35m
1 stop
LHR18:55London Heathrow
TAP AIR PORTUGAL
16 Jan
LHR19:55London Heathrow
25h 35m
1 stop
ORD15:30Chicago O'Hare Intl
31 Jan
ORD20:20Chicago O'Hare Intl
19h 15m
1 stop
LHR21:35London Heathrow

Icelandair flights from London Heathrow Airport to Chicago

Our best Icelandair deals on London Heathrow Airport to Chicago flight tickets
Icelandair
20 Jan
LHR20:40London Heathrow
26h 40m
1 stop
ORD17:20Chicago O'Hare Intl
3 Feb
ORD18:30Chicago O'Hare Intl
10h 20m
1 stop
LHR10:50London Heathrow
Icelandair
20 Jan
LHR20:40London Heathrow
26h 40m
1 stop
ORD17:20Chicago O'Hare Intl
25 Jan
ORD18:30Chicago O'Hare Intl
19h 00m
1 stop
LHR19:30London Heathrow
Icelandair
21 Jan
LHR20:40London Heathrow
26h 40m
1 stop
ORD17:20Chicago O'Hare Intl
25 Jan
ORD18:30Chicago O'Hare Intl
19h 00m
1 stop
LHR19:30London 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 cheapest month to fly to Chicago from London Heathrow Airport is in February. Flight prices, which tend to average around £445, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Chicago from London Heathrow Airport during January instead. Flights to Chicago in January, while not as cheap as those in February, still average around £483.

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 £539. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Chicago is Sunday, with ticket prices averaging around £597.

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

Flying to Chicago from London Heathrow Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as £530 when looking at flights departing in the evening. Flights at midday are often more expensive, with an average ticket price of £585.

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 ideal time to book your flight to Chicago is 20 days in advance, when prices tend to average £573. However, in the past 72 hours, people saw flights from London Heathrow Airport for as low as £424.

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 44% 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

£245

Fastest flight time

8h 35m

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 £245. The best return flight deal from London Heathrow Airport to Chicago found on momondo in the last 72 hours is £382.
The fastest flight from London Heathrow Airport to Chicago takes 8h 35m
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 50m 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 £379Free CancellationRating
7.3
1,308 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom £386Free CancellationRating
7.1
1,878 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom £389Free CancellationRating
7.1
509 reviews
Search Icelandair flights
Virgin AtlanticPriceFrom £405Free CancellationRating
7.5
668 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £427Free CancellationRating
6.6
6,817 reviews
Search British Airways flights
LufthansaPriceFrom £438Free CancellationRating
6.8
7,087 reviews
Search Lufthansa flights
Aer LingusPriceFrom £448Free CancellationRating
7.1
1,078 reviews
Search Aer Lingus flights
FinnairPriceFrom £468Free CancellationRating
7.7
1,285 reviews
Search Finnair flights
IberiaPriceFrom £471Free CancellationRating
7.0
2,655 reviews
Search Iberia flights
American AirlinesPriceFrom £476Free CancellationRating
7.2
10,000 reviews
Search American 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 £593 round-trip, up to an average price of £771. Our users have rated Finnair at 7.7/10.

  • Austrian Airlines Flights From London Heathrow Airport to Chicago

    £608 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 £764, however, with flight time and availability significantly affecting the price. Austrian Airlines (7.5/10 from 788 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 24/12
Tue 31/12
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