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 47% 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.

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

As of July 2025, there are 387 flights per week flying from United Kingdom to Chicago. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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

As of July 2025, there are 55 flights per day flying from United Kingdom to Chicago. The most common time of day flights depart is 11:00AM, with 51% of flights taking off in the afternoon.

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 25m on average, while flying from London to Chicago O'Hare Intl Airport is 9h 55m on average. Chicago O'Hare Intl Airport is the most popular airport in 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 July 2025, 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.

$248 Cheap Flights from the United Kingdom to Chicago in 2025

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Find the cheapest flights from the United Kingdom to Chicago

Round-trip

One-way

Last minute

Direct

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

2:00 pm - 4:12 pmLGW-ORD

32h 12m1 stop

5:17 pm - 10:00 amORD-LGW

34h 43m1 stop

$408

Find Deal

Wed, Sep 10 - Sun, Sep 21

2:00 pm - 4:12 pmLGW-ORD

32h 12m1 stop

6:30 am - 10:00 amORD-LGW

21h 30m1 stop

$409

Find Deal

Thu, Sep 11 - Mon, Sep 22

3:35 pm - 9:15 pmLGW-ORD

11h 40m1 stop

7:25 pm - 11:45 amORD-LGW

10h 20m1 stop

$463Icelandair

Find Deal

Wed, Aug 27 - Mon, Sep 8

3:40 pm - 9:15 pmLGW-ORD

11h 35m1 stop

7:25 pm - 11:45 amORD-LGW

10h 20m1 stop

$464Icelandair

Find Deal

Mon, Aug 25 - Sat, Sep 6

8:50 am - 2:00 pmLHR-ORD

11h 10m1 stop

9:15 pm - 1:55 pmORD-LHR

10h 40m1 stop

$486Aer Lingus

Find Deal

Sat, Sep 6 - Wed, Sep 10

8:50 am - 2:00 pmLHR-ORD

11h 10m1 stop

9:15 pm - 1:55 pmORD-LHR

10h 40m1 stop

$487Aer Lingus

Find Deal

Thu, Sep 18 - Sat, Oct 4

9:05 am - 3:45 pmLCY-ORD

12h 40m1 stop

10:15 pm - 9:40 pmORD-LCY

17h 25m1 stop

$601British Airways

Find Deal

Wed, Aug 20 - Sun, Sep 14

9:05 am - 3:45 pmLCY-ORD

12h 40m1 stop

10:15 pm - 6:25 pmORD-LCY

14h 10m1 stop

$604British Airways

Find Deal

Wed, Sep 3 - Sun, Sep 21

8:55 am - 2:40 pmEDI-ORD

11h 45m1 stop

5:40 pm - 10:40 amORD-EDI

11h 00m1 stop

$683American Airlines

Find Deal

Mon, Aug 25 - Mon, Sep 15

8:55 am - 2:50 pmEDI-ORD

11h 55m1 stop

5:40 pm - 10:40 amORD-EDI

11h 00m1 stop

$686American Airlines

Find Deal

Mon, Sep 22 - Mon, Oct 20

Icelandair flights from United Kingdom to Chicago

Our best Icelandair deals on United Kingdom to Chicago flight tickets

Icelandair

Aug 27

LGW3:35 pmLondon Gatwick

11h 40m

1 stop

ORD9:15 pmChicago O'Hare Intl

Sep 8

ORD7:25 pmChicago O'Hare Intl

10h 20m

1 stop

LGW11:45 amLondon Gatwick

$463

Find similar

Icelandair

Aug 25

LGW3:40 pmLondon Gatwick

11h 35m

1 stop

ORD9:15 pmChicago O'Hare Intl

Sep 6

ORD7:25 pmChicago O'Hare Intl

10h 20m

1 stop

LGW11:45 amLondon Gatwick

$464

Find similar

Icelandair

Aug 26

LGW1:00 pmLondon Gatwick

14h 15m

1 stop

ORD9:15 pmChicago O'Hare Intl

Sep 4

ORD10:15 pmChicago O'Hare Intl

31h 30m

1 stop

LGW11:45 amLondon Gatwick

$465

Find similar

TAP AIR PORTUGAL flights from United Kingdom to Chicago

Our best TAP AIR PORTUGAL deals on United Kingdom to Chicago flight tickets

TAP AIR PORTUGAL

Nov 6

LHR7:55 pmLondon Heathrow

25h 20m

1 stop

ORD3:15 pmChicago O'Hare Intl

Nov 12

ORD7:10 pmChicago O'Hare Intl

14h 20m

1 stop

LHR3:30 pmLondon Heathrow

$510

Find similar

TAP AIR PORTUGAL

Sep 17

LHR1:45 pmLondon Heathrow

27h 10m

1 stop

ORD10:55 amChicago O'Hare Intl

Sep 28

ORD6:00 pmChicago O'Hare Intl

22h 00m

1 stop

LHR10:00 pmLondon Heathrow

$519

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 9/10

2:00 pm-4:12 pm

1 stop32h 12m

Chicago O'Hare Intl

Sun 9/21

5:17 pm-10:00 am

1 stop34h 43m

$408

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 9/11

2:00 pm-4:12 pm

1 stop32h 12m

Chicago O'Hare Intl

Mon 9/22

6:30 am-10:00 am

1 stop21h 30m

$409

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 8/27

3:35 pm-9:15 pm

1 stop11h 40m

Chicago O'Hare Intl

Mon 9/8

7:25 pm-11:45 am

1 stop10h 20m

$463

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 8/25

3:40 pm-9:15 pm

1 stop11h 35m

Chicago O'Hare Intl

Sat 9/6

7:25 pm-11:45 am

1 stop10h 20m

$464

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 9/6

8:50 am-2:00 pm

1 stop11h 10m

Chicago O'Hare Intl

Wed 9/10

9:15 pm-1:55 pm

1 stop10h 40m

$486

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 9/18

8:50 am-2:00 pm

1 stop11h 10m

Chicago O'Hare Intl

Sat 10/4

9:15 pm-1:55 pm

1 stop10h 40m

$487

LondonChicago

LCY - ORD

LCYORD

London City

Wed 8/20

9:05 am-3:45 pm

1 stop12h 40m

Chicago O'Hare Intl

Sun 9/14

10:15 pm-9:40 pm

1 stop17h 25m

$601

LondonChicago

LCY - ORD

LCYORD

London City

Wed 9/3

9:05 am-3:45 pm

1 stop12h 40m

Chicago O'Hare Intl

Sun 9/21

10:15 pm-6:25 pm

1 stop14h 10m

$604

EdinburghChicago

EDI - ORD

EDIORD

Edinburgh Turnhouse

Mon 8/25

8:55 am-2:40 pm

1 stop11h 45m

Chicago O'Hare Intl

Mon 9/15

5:40 pm-10:40 am

1 stop11h 00m

$683

EdinburghChicago

EDI - ORD

EDIORD

Edinburgh Turnhouse

Mon 9/22

8:55 am-2:50 pm

1 stop11h 55m

Chicago O'Hare Intl

Mon 10/20

5:40 pm-10:40 am

1 stop11h 00m

$686

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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

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 $580. If you’re not able to fly to Chicago in February, then March is your next best option. Flight prices from United Kingdom to Chicago during March average around $607.

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 $789. 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 United Kingdom to Chicago for around $938.

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 United Kingdom 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 $954.

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 $738 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 $694 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 5% 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	$248
Fastest flight time	10h 00m
Direct flights	Every day
Airports in Chicago	2 airports

The best one-way flight to Chicago from United Kingdom in the past 72 hours is $248. The best round-trip flight deal from United Kingdom to Chicago found on momondo in the last 72 hours is $408.

The fastest flight from United Kingdom to Chicago takes 10h 00m

Direct flights go from United Kingdom to Chicago every day.

There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

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 July 2025, 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 46.93% of the total bookings. Other popular models include Boeing 787-10 Dreamliner with 14.74%, Boeing 777 with 13.77%, and Boeing 777-300ER with 5.04%.

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
Icelandair	PriceFrom $390	Free Cancellation	Rating 7.0 520 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $462	Free Cancellation	Rating 7.3 1,457 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $485	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $504	Free Cancellation	Rating 7.1 1,192 reviews	Search Aer Lingus flights
British Airways	PriceFrom $552	Free Cancellation	Rating 6.6 7,222 reviews	Search British Airways flights
TAP AIR PORTUGAL	PriceFrom $558	Free Cancellation	Rating 7.1 1,933 reviews	Search TAP AIR PORTUGAL flights
Iberia	PriceFrom $582	Free Cancellation	Rating 7.0 2,859 reviews	Search Iberia flights
American Airlines	PriceFrom $583	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Austrian Airlines	PriceFrom $586	Free Cancellation	Rating 7.6 823 reviews	Search Austrian Airlines flights
Finnair	PriceFrom $607	Free Cancellation	Rating 7.6 1,316 reviews	Search Finnair flights

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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.

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.

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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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Flights to Dallasfrom $55

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Flights to Denverfrom $49

Cheap flights from the United Kingdom to Chicago from $248

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 9/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from the United Kingdom to Chicago

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

Recent one-way flight deals from the United Kingdom to Chicago

Recent last minute flight deals from the United Kingdom to Chicago

Recent direct flight deals from the United Kingdom to Chicago

Icelandair flights from United Kingdom to Chicago

Our best Icelandair deals on United Kingdom to Chicago flight tickets

TAP AIR PORTUGAL flights from United Kingdom to Chicago

Our best TAP AIR PORTUGAL deals on United Kingdom to Chicago flight tickets

momondo Fare Finder

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

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 United Kingdom, with most prices found around $580. If you’re not able to fly to Chicago in February, then March is your next best option. Flight prices from United Kingdom to Chicago during March average around $607.

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 evening. Flights from United Kingdom 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 $954.

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 5% on your flight if you consider stops on a United Kingdom to Chicago flight.

What airlines fly to Chicago?

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

As of July 2025, there are 55 flights per day flying from United Kingdom to Chicago. The most common time of day flights depart is 11:00AM, with 51% of flights taking off in the afternoon.

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

As of July 2025, there are 387 flights per week flying from United Kingdom to Chicago. The most common day of the week flights depart is Mon, with 14% 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