How long does it take to fly to Chicago?

Average flight duration from United Kingdom to Chicago depends on which airport you fly into and out of. Flying from Edinburgh to Chicago O'Hare Intl Airport is 8h 35m on average, while flying from London to Chicago O'Hare Intl Airport is 10h 02m on average. Chicago O'Hare Intl Airport is the most popular airport in Chicago.

What airlines fly to Chicago?

British Airways, Aer Lingus and American Airlines are the top three most popular airlines that fly to Chicago from United Kingdom according to our data. British Airways is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 11 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

How many flights depart from United Kingdom to Chicago on average per day?

As of February 2026, there are 26 flights per day flying from United Kingdom to Chicago. The most common time of day flights depart is 11:00AM, with 58% of flights taking off in the afternoon.

Which airline has the best punctuality record on the United Kingdom to Chicago flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 5% of their flights experiencing any sort of delay.

How often are flights from the United Kingdom to Chicago delayed?

Historically, on average around 11% of flights between United Kingdom and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 170 minutes.

How many flights depart from United Kingdom to Chicago on average per week?

As of February 2026, there are 185 flights per week flying from United Kingdom to Chicago. The most common day of the week flights depart is Mon, with 19% of flights taking off on this day.

What is the most punctual flight time for the United Kingdom to Chicago flights?

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What is the cheapest airline that flies from United Kingdom to Chicago?

SWISS, Delta, and Finnair are the most popular carriers operating from United Kingdom to Chicago

When did momondo last update prices for flights from United Kingdom to Chicago?

Prices for flights from United Kingdom to Chicago are updated daily.

How many operators does momondo search for flights from United Kingdom to Chicago?

As of February 2026, there are 11 operators available to choose from for flights from United Kingdom to Chicago.

How old do you have to be to fly from United Kingdom 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 United Kingdom 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.

$313 Cheap Flights from the United Kingdom to Chicago in 2026

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Find the cheapest flights from the United Kingdom to Chicago

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One-way

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Recent round-trip flight deals from the United Kingdom to Chicago

Enter your travel dates to find the best prices.

8:35 pm - 6:20 pm

LHR

ORD

26h 45m

1 stop

7:25 pm - 11:55 am

ORD

LHR

10h 30m

1 stop

$530Icelandair

Mon, Mar 9 - Wed, Apr 22

3:40 pm - 6:15 pm

LGW

ORD

32h 35m

1 stop

10:25 pm - 2:40 pm

ORD

LGW

10h 15m

1 stop

$531Icelandair

Mon, Apr 27 - Fri, May 1

12:15 pm - 6:20 pm

LHR

ORD

11h 05m

1 stop

7:30 pm - 10:50 am

ORD

LHR

10h 20m

1 stop

$531Icelandair

Wed, Mar 11 - Wed, Mar 25

1:00 pm - 9:22 am

LGW

ORD

26h 22m

1 stop

6:51 pm - 6:00 am

ORD

LGW

29h 09m

1 stop

$533Multiple Airlines

Fri, Feb 27 - Sat, Mar 7

10:20 am - 4:45 pm

LHR

ORD

12h 25m

1 stop

8:20 pm - 4:00 pm

ORD

LHR

14h 40m

1 stop

$535Scandinavian Airlines

Mon, Mar 2 - Mon, Mar 16

7:30 pm - 5:45 pm

LHR

ORD

27h 15m

1 stop

8:20 pm - 4:00 pm

ORD

LHR

14h 40m

1 stop

$536Scandinavian Airlines

Sun, Mar 8 - Mon, Mar 16

2:00 pm - 10:51 am

LGW

ORD

26h 51m

2 stops

6:51 pm - 6:00 am

ORD

LGW

29h 09m

1 stop

$536Multiple Airlines

Fri, Feb 27 - Sat, Mar 7

6:00 am - 3:00 pm

LHR

ORD

15h 00m

1 stop

8:15 pm - 6:55 pm

ORD

LHR

16h 40m

1 stop

$540TAP AIR PORTUGAL

Wed, Feb 18 - Fri, Feb 27

12:00 pm - 7:15 pm

EDI

ORD

13h 15m

1 stop

3:50 pm - 8:50 am

ORD

EDI

11h 00m

1 stop

$731Aer Lingus

Thu, Feb 19 - Wed, Mar 4

8:20 am - 2:00 pm

EDI

ORD

11h 40m

1 stop

4:50 pm - 8:50 am

ORD

EDI

11h 00m

1 stop

$751Aer Lingus

Wed, Mar 4 - Mon, Mar 9

Aer Lingus flights from United Kingdom to Chicago

Our best Aer Lingus deals on United Kingdom to Chicago flight tickets

Aer Lingus

Feb 19

EDI12:00 pmEdinburgh Turnhouse

13h 15m

1 stop

ORD7:15 pmChicago O'Hare Intl

Mar 4

ORD3:50 pmChicago O'Hare Intl

11h 00m

1 stop

EDI8:50 amEdinburgh Turnhouse

$731

Aer Lingus

Mar 18

LBA8:45 amLeeds/Bradford

11h 15m

1 stop

ORD3:00 pmChicago O'Hare Intl

Mar 25

ORD4:50 pmChicago O'Hare Intl

18h 20m

1 stop

LBA4:10 pmLeeds/Bradford

$822

Aer Lingus

May 2

LBA8:45 amLeeds/Bradford

11h 15m

1 stop

ORD2:00 pmChicago O'Hare Intl

May 15

ORD3:45 pmChicago O'Hare Intl

10h 30m

1 stop

LBA8:15 amLeeds/Bradford

$839

JetBlue flights from United Kingdom to Chicago

Our best JetBlue deals on United Kingdom to Chicago flight tickets

JetBlue

Feb 10

LHR7:25 amLondon Heathrow

18h 06m

1 stop

ORD7:31 pmChicago O'Hare Intl

Feb 17

ORD10:00 amChicago O'Hare Intl

14h 55m

1 stop

LHR6:55 amLondon Heathrow

$568

JetBlue

Feb 16

LHR9:20 amLondon Heathrow

29h 50m

1 stop

ORD9:10 amChicago O'Hare Intl

Feb 24

ORD12:50 pmChicago O'Hare Intl

26h 50m

1 stop

LHR9:40 pmLondon Heathrow

$593

JetBlue

Feb 16

LHR9:20 amLondon Heathrow

29h 50m

1 stop

ORD9:10 amChicago O'Hare Intl

Feb 24

ORD6:04 amChicago O'Hare Intl

21h 26m

1 stop

LHR9:30 amLondon Heathrow

$594

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 3/9

8:35 pm-6:20 pm

1 stop26h 45m

Chicago O'Hare Intl

Wed 4/22

7:25 pm-11:55 am

1 stop10h 30m

$530

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 4/27

3:40 pm-6:15 pm

1 stop32h 35m

Chicago O'Hare Intl

Fri 5/1

10:25 pm-2:40 pm

1 stop10h 15m

$531

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 3/11

12:15 pm-6:20 pm

1 stop11h 05m

Chicago O'Hare Intl

Wed 3/25

7:30 pm-10:50 am

1 stop10h 20m

$531

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 2/27

1:00 pm-9:22 am

1 stop26h 22m

Chicago O'Hare Intl

Sat 3/7

6:51 pm-6:00 am

1 stop29h 09m

$533

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 3/2

10:20 am-4:45 pm

1 stop12h 25m

Chicago O'Hare Intl

Mon 3/16

8:20 pm-4:00 pm

1 stop14h 40m

$535

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sun 3/8

7:30 pm-5:45 pm

1 stop27h 15m

Chicago O'Hare Intl

Mon 3/16

8:20 pm-4:00 pm

1 stop14h 40m

$536

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 2/27

2:00 pm-10:51 am

2 stops26h 51m

Chicago O'Hare Intl

Sat 3/7

6:51 pm-6:00 am

1 stop29h 09m

$536

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 2/18

6:00 am-3:00 pm

1 stop15h 00m

Chicago O'Hare Intl

Fri 2/27

8:15 pm-6:55 pm

1 stop16h 40m

$540

EdinburghChicago

EDI - ORD

EDIORD

Edinburgh Turnhouse

Thu 2/19

12:00 pm-7:15 pm

1 stop13h 15m

Chicago O'Hare Intl

Wed 3/4

3:50 pm-8:50 am

1 stop11h 00m

$731

EdinburghChicago

EDI - ORD

EDIORD

Edinburgh Turnhouse

Wed 3/4

8:20 am-2:00 pm

1 stop11h 40m

Chicago O'Hare Intl

Mon 3/9

4:50 pm-8:50 am

1 stop11h 00m

$751

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from United Kingdom 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

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Chicago?

The month of February is, on average, the cheapest month to fly to Chicago from United Kingdom, with most prices found around $578. If you’re not able to fly to Chicago in February, then November is your next best option. Flight prices from United Kingdom to Chicago during November average around $580.

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 $773. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from United Kingdom to Chicago for around $884.

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 morning. Flights from United Kingdom to Chicago during this time can be as low as $824. In contrast, the most expensive time of day to depart to Chicago is in the afternoon when prices are around $943.

What is the cheapest United Kingdom to Chicago flight route?

Fly from London Heathrow to Chicago O'Hare Intl for the best United Kingdom - 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 United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $726 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from United Kingdom for as low as $693 on momondo.

What cabin class options are available on United Kingdom to Chicago flights?

There are 4 cabin classes available to choose from on United Kingdom 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 United Kingdom to Chicago flights?

You could potentially save up to 10% on your flight if you consider stops on a United Kingdom to Chicago flight.

Cheap United Kingdom to Chicago flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Chicago

Best Price Found	$635
Fastest flight time	8h 35m
Direct flights	Every day
Airports in Chicago	3 airports

The best one-way flight to Chicago from United Kingdom in the past 72 hours is $635. The best round-trip flight deal from United Kingdom to Chicago found on momondo in the last 72 hours is $653.

The fastest flight from United Kingdom to Chicago takes 8h 35m

Direct flights go from United Kingdom to Chicago every day.

There are 3 airports in Chicago. From United Kingdom there are direct flights to Chicago O'Hare Intl (ORD).

Search flight deals

When did momondo last update prices for flights from United Kingdom to Chicago?
Prices for flights from United Kingdom to Chicago are updated daily.
How many operators does momondo search for flights from United Kingdom to Chicago?
As of February 2026, there are 11 operators available to choose from for flights from United Kingdom to Chicago.
How old do you have to be to fly from United Kingdom 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 United Kingdom 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 United Kingdom to Chicago?
Based on momondo bookings for flights between United Kingdom and Chicago, the leading plane model is Boeing 767-300, making up 25.72% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 24.11%, Boeing 777 with 13.45%, and Boeing 787-10 Dreamliner with 10.50%.

Best airlines flying from United Kingdom to Chicago

Compare and see reviews for airlines that fly from United Kingdom to Chicago with momondo

Airline	Rating	Free Cancellation	Price
Aer Lingus	PriceFrom $446	Free Cancellation	Rating 7.2 1,444 reviews	Search Aer Lingus flights
Scandinavian Airlines	PriceFrom $468	Free Cancellation	Rating 7.3 1,676 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $477	Free Cancellation	Rating 7.1 606 reviews	Search Icelandair flights
United Airlines	PriceFrom $485	Free Cancellation	Rating 7.4 9,235 reviews	Search United Airlines flights
Austrian Airlines	PriceFrom $530	Free Cancellation	Rating 7.5 896 reviews	Search Austrian Airlines flights
British Airways	PriceFrom $531	Free Cancellation	Rating 6.7 7,712 reviews	Search British Airways flights
TAP AIR PORTUGAL	PriceFrom $558	Free Cancellation	Rating 7.1 2,133 reviews	Search TAP AIR PORTUGAL flights
Iberia	PriceFrom $558	Free Cancellation	Rating 7.0 3,103 reviews	Search Iberia flights
Finnair	PriceFrom $576	Free Cancellation	Rating 7.6 1,357 reviews	Search Finnair flights
American Airlines	PriceFrom $579	Free Cancellation	Rating 7.2 11,217 reviews	Search American Airlines flights

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Hammond

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Saint Joseph

Portage

Lansing

Schererville

Valparaiso

Munster

Crown Point

Chesterton

Monticello

Porter

Griffith

Saint John

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom to Chicago?

Finding the right flight to Chicago from United Kingdom is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

Can I find flights from United Kingdom to Chicago with flexible booking policies on momondo?

Yes. All flights to Chicago from United Kingdom on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from United Kingdom to Chicago?

Once you have performed a search for United Kingdom to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Chicago from United Kingdom are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Chicago Midway Airport

Chicago O'Hare Intl Airport

Chicago Greater Rockford Airport

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Cheap flights from the United Kingdom to Chicago from $313

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Chicago departing on 4/16. 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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Filter for what you want

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Find the cheapest flights from the United Kingdom to Chicago

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Aer Lingus flights from United Kingdom to Chicago

Our best Aer Lingus deals on United Kingdom to Chicago flight tickets

JetBlue flights from United Kingdom to Chicago

Our best JetBlue deals on United Kingdom to Chicago flight tickets

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Use the filters below to find and compare flights from the United Kingdom to Chicago that are best for you.

See travel insights to Chicago from

How to get the cheapest flight ticket from United Kingdom to Chicago

What is the cheapest month to fly to Chicago?

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

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 morning. Flights from United Kingdom to Chicago during this time can be as low as $824. In contrast, the most expensive time of day to depart to Chicago is in the afternoon when prices are around $943.

What is the cheapest United Kingdom to Chicago flight route?

Fly from London Heathrow to Chicago O'Hare Intl for the best United Kingdom - Chicago flight prices

How far in advance should I book a flight to Chicago?

What cabin class options are available on United Kingdom to Chicago flights?

There are 4 cabin classes available to choose from on United Kingdom 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 United Kingdom to Chicago flights?

You could potentially save up to 10% on your flight if you consider stops on a United Kingdom to Chicago flight.

What is the cheapest airline that flies from United Kingdom to Chicago?

SWISS, Delta, and Finnair are the most popular carriers operating from United Kingdom to Chicago

What airlines fly to Chicago?

How often are flights from the United Kingdom to Chicago delayed?

Historically, on average around 11% of flights between United Kingdom and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 170 minutes.

What is the most punctual flight time for the United Kingdom to Chicago flights?

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on the United Kingdom to Chicago flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 5% of their flights experiencing any sort of delay.

How many flights depart from United Kingdom to Chicago on average per day?

As of February 2026, there are 26 flights per day flying from United Kingdom to Chicago. The most common time of day flights depart is 11:00AM, with 58% of flights taking off in the afternoon.

How many flights depart from United Kingdom to Chicago on average per week?

As of February 2026, there are 185 flights per week flying from United Kingdom to Chicago. The most common day of the week flights depart is Mon, with 19% of flights taking off on this day.

How long does it take to fly to Chicago?

Cheap United Kingdom to Chicago flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Chicago

Best Price Found

Fastest flight time

Direct flights

Airports in Chicago

When did momondo last update prices for flights from United Kingdom to Chicago?

How many operators does momondo search for flights from United Kingdom to Chicago?

How old do you have to be to fly from United Kingdom to Chicago?

What documentation or ID do you need to fly to Chicago?

What is the most popular plane model from United Kingdom to Chicago?

Best airlines flying from United Kingdom to Chicago

Compare and see reviews for airlines that fly from United Kingdom to Chicago with momondo

Traveling to a place near Chicago?

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom to Chicago?

Can I find flights from United Kingdom to Chicago with flexible booking policies on momondo?

How can momondo help me find flights from United Kingdom to Chicago?

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

An easier way to manage your Chicago trip

We make it super easy to schedule, organize 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.

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