How long is the flight from London Gatwick Airport to Chicago?

A quick flight from London Gatwick Airport to Chicago can take about 11h 25m. Icelandair provides one of the quickest options available for as low as £427. Airlines will cover a distance of 3960 mi.

What is the cheapest airline to fly from London Gatwick Airport to Chicago round-trip?

Flying on Icelandair is currently your cheapest option to Chicago, with prices starting at £308. You may be able to fly from London Gatwick Airport to Chicago for 43% less than the average price by searching for this airline.

What is the cheapest day to fly from London Gatwick Airport to Chicago?

Travellers seeking maximum savings on their London Gatwick Airport to Chicago flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Chicago ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago when rainfall is around 43.0 mm.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

What is the cheapest day to fly round-trip from London Gatwick Airport to Chicago?

Thursday flights are generally found to be more expensive for flights from London Gatwick Airport to Chicago. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Chicago.

How far in advance should I book a flight from London Gatwick Airport to Chicago?

To save up to 35% on this flight, we recommend booking at least 56 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from London Gatwick Airport to Chicago from £488 1-2 weeks out and tickets from £658 for flights departing within the next 72 hours.

What is the cheapest month to fly from London Gatwick Airport to Chicago?

Our data shows that February tends to be the cheapest month to fly to Chicago from London Gatwick Airport. Users have commonly found prices around £509 for the month, but tickets can be as low as £312. Due to multiple factors, prepare for potentially higher prices in July.

Can I find deals for flights from Gatwick to Chicago that include hotel bookings?

Yes. In addition to deals on Gatwick to Chicago flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Gatwick to Chicago?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Chicago.

Can I find deals for business class flights from Gatwick to Chicago?

Yes. Cheapflights offers flight deals from Gatwick to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£394+ Cheap Flights from London Gatwick Airport to Chicago

Cheap flight deals from Gatwick to Chicago

Round-trip from	£394
Popular in	March
Cheapest in	January
Average price	£455

9/10-15/10
2 total stops
56h 36m total
London to Chicago

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£66 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease (£29 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Gatwick to Chicago

Cheapest flights from Gatwick to Chicago
Explore the most affordable flight options available from Gatwick to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Wed 15/1015:30LGW - ORD

2 stops27h 05mMultiple Airlines

Wed 22/1006:40ORD - LGW

1 stop17h 40mMultiple Airlines

Deal found 15/9£394

Mon 22/914:00LGW - ORD

1 stop32h 12mMultiple Airlines

Sun 5/1006:00ORD - LGW

1 stop22h 10mMultiple Airlines

Deal found 15/9£395

Fri 3/1013:05LGW - ORD

2 stops34h 34mMultiple Airlines

Tue 7/1011:13ORD - LGW

1 stop13h 07mMultiple Airlines

Deal found 14/9£396

Sat 27/914:00LGW - ORD

1 stop34h 50mMultiple Airlines

Sat 11/1018:58ORD - LGW

1 stop33h 12mMultiple Airlines

Deal found 12/9£397

Wed 1/1012:20LGW - ORD

2 stops16h 52mAmerican Airlines

Mon 6/1013:43ORD - LGW

1 stop12h 27mAmerican Airlines

Deal found 15/9£397

Wed 24/908:50LGW - ORD

2 stops15h 25mMultiple Airlines

Wed 1/1019:25ORD - LGW

2 stops16h 25mMultiple Airlines

Deal found 14/9£400

Thu 9/1014:00LGW - ORD

1 stop34h 46mMultiple Airlines

Thu 23/1018:58ORD - LGW

1 stop33h 02mMultiple Airlines

Deal found 14/9£400

Fri 26/912:10LGW - ORD

1 stop26h 46mJetBlue

Fri 3/1019:50ORD - LGW

1 stop31h 45mJetBlue

Deal found 14/9£401

Sun 21/914:00LGW - ORD

2 stops29h 12mMultiple Airlines

Sat 4/1008:00ORD - LGW

1 stop20h 00mMultiple Airlines

Deal found 14/9£402

Wed 1/1014:00LGW - ORD

1 stop32h 12mMultiple Airlines

Mon 6/1006:00ORD - LGW

1 stop22h 00mMultiple Airlines

Deal found 15/9£403

Tue 28/1018:40LGW - ORD

1 stop24h 05mSWISS

Tue 4/1118:50ORD - LGW

1 stop17h 00mSWISS

Deal found 13/9£403

Wed 24/912:10LGW - ORD

1 stop26h 46mJetBlue

Wed 1/1009:51ORD - LGW

1 stop17h 44mJetBlue

Deal found 14/9£404

Best flights from Gatwick to Chicago
Discover carefully curated flight deals from Gatwick to Chicago that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2025.

Thu 9/1014:00LGW - ORD

1 stop34h 46mMultiple Airlines

Thu 23/1018:58ORD - LGW

1 stop33h 02mMultiple Airlines

Deal found 14/9£400

Sat 28/211:55LGW - ORD

1 stop11h 25mIcelandair

Thu 12/319:30ORD - LGW

1 stop10h 25mIcelandair

Deal found 15/9£427

Tue 7/1014:00LGW - ORD

1 stop33h 53mMultiple Airlines

Fri 5/1206:05ORD - LGW

1 stop21h 55mMultiple Airlines

Deal found 15/9£400

Thu 5/311:55LGW - ORD

1 stop11h 25mIcelandair

Wed 11/319:30ORD - LGW

1 stop10h 25mIcelandair

Deal found 15/9£427

Thu 9/1014:00LGW - MDW

1 stop32h 20mMultiple Airlines

Tue 14/1008:05MDW - LGW

2 stops19h 55mMultiple Airlines

Deal found 14/9£424

Fri 27/211:55LGW - ORD

1 stop11h 25mIcelandair

Thu 12/319:30ORD - LGW

1 stop10h 25mIcelandair

Deal found 15/9£427

Sat 28/211:55LGW - ORD

1 stop11h 25mIcelandair

Tue 10/319:30ORD - LGW

1 stop10h 25mIcelandair

Deal found 15/9£427

Fri 26/914:00LGW - MDW

1 stop25h 51mMultiple Airlines

Fri 3/1009:48MDW - LGW

1 stop18h 12mMultiple Airlines

Deal found 14/9£428

Fri 27/211:55LGW - ORD

1 stop11h 25mIcelandair

Fri 6/318:30ORD - LGW

1 stop10h 25mIcelandair

Deal found 15/9£427

Wed 8/1014:00LGW - MDW

1 stop25h 47mMultiple Airlines

Sun 19/1012:09MDW - LGW

1 stop16h 01mMultiple Airlines

Deal found 14/9£437

Sun 1/311:55LGW - ORD

1 stop11h 25mIcelandair

Wed 11/319:30ORD - LGW

1 stop10h 25mIcelandair

Deal found 15/9£427

Thu 9/1014:00LGW - MDW

1 stop32h 20mMultiple Airlines

Mon 13/1006:15MDW - LGW

2 stops21h 45mMultiple Airlines

Deal found 14/9£441

Last-minute flights from Gatwick to Chicago
Discover last-minute flight deals from Gatwick to Chicago. Data last updated 16 September 2025 and is based on user searches.

Sun 21/914:00LGW - ORD

2 stops29h 12mMultiple Airlines

Sat 4/1008:00ORD - LGW

1 stop20h 00mMultiple Airlines

Deal found 14/9£402

Mon 22/914:00LGW - ORD

1 stop32h 12mMultiple Airlines

Sun 5/1006:00ORD - LGW

1 stop22h 10mMultiple Airlines

Deal found 15/9£395

Wed 24/908:50LGW - ORD

2 stops15h 25mMultiple Airlines

Wed 1/1019:25ORD - LGW

2 stops16h 25mMultiple Airlines

Deal found 14/9£400

Fri 26/912:10LGW - ORD

1 stop26h 46mJetBlue

Fri 3/1019:50ORD - LGW

1 stop31h 45mJetBlue

Deal found 14/9£401

Sat 27/914:00LGW - MDW

1 stop25h 18mMultiple Airlines

Sun 5/1010:13MDW - LGW

1 stop17h 57mMultiple Airlines

Deal found 15/9£408

Sat 27/914:00LGW - MDW

1 stop25h 18mMultiple Airlines

Sat 4/1011:21MDW - LGW

1 stop16h 39mMultiple Airlines

Deal found 15/9£421

Wed 1/1012:20LGW - ORD

2 stops16h 52mAmerican Airlines

Mon 6/1013:43ORD - LGW

1 stop12h 27mAmerican Airlines

Deal found 15/9£397

Wed 1/1014:00LGW - ORD

1 stop32h 12mMultiple Airlines

Mon 6/1006:00ORD - LGW

1 stop22h 00mMultiple Airlines

Deal found 15/9£403

Fri 3/1013:05LGW - ORD

2 stops34h 34mMultiple Airlines

Tue 7/1011:13ORD - LGW

1 stop13h 07mMultiple Airlines

Deal found 14/9£396

Tue 7/1014:00LGW - ORD

1 stop33h 53mMultiple Airlines

Fri 5/1206:05ORD - LGW

1 stop21h 55mMultiple Airlines

Deal found 15/9£400

Thu 9/1014:00LGW - ORD

1 stop23h 34mMultiple Airlines

Wed 15/1018:58ORD - LGW

1 stop33h 02mMultiple Airlines

Deal found 15/9£394

Wed 15/1015:30LGW - ORD

2 stops27h 05mMultiple Airlines

Wed 22/1006:40ORD - LGW

1 stop17h 40mMultiple Airlines

Deal found 15/9£394

One-way flights from Gatwick to Chicago
Search for one-way flight options from Gatwick to Chicago. Find affordable one-way fares based on user searches. Data last updated 16 September 2025.

Thu 30/1016:00LGW - MDW

3 stops49h 37mMultiple Airlines

Deal found 15/9£399

Fri 10/1014:00LGW - ORD

1 stop31h 39mMultiple Airlines

Deal found 14/9£399

Sat 20/910:00LGW - MDW

3 stops27h 11mMultiple Airlines

Deal found 15/9£400

Sat 13/1208:15LGW - ORD

2 stops15h 40mMultiple Airlines

Deal found 15/9£400

Sat 11/1014:00LGW - ORD

1 stop23h 14mMultiple Airlines

Deal found 14/9£401

Mon 1/1211:30LGW - MDW

3 stops52h 35mMultiple Airlines

Deal found 15/9£403

Mon 22/1219:20LGW - ORD

2 stops49h 10mMultiple Airlines

Deal found 15/9£403

Mon 29/1209:00LGW - ORD

2 stops35h 30mMultiple Airlines

Deal found 15/9£404

Tue 21/1010:35LGW - MDW

2 stops18h 50mMultiple Airlines

Deal found 14/9£405

Mon 5/119:25LGW - ORD

2 stops47h 05mMultiple Airlines

Deal found 15/9£405

Sun 12/1014:00LGW - MDW

2 stops24h 31mMultiple Airlines

Deal found 14/9£406

Sun 21/921:15LGW - ORD

2 stops25h 25mMultiple Airlines

Deal found 14/9£406

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Gatwick Airport to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 9/10

14:00-18:46

1 stop34h 46m

Chicago O'Hare Intl

Thu 23/10

18:58-10:00

1 stop33h 02m

£400

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 7/10

14:00-17:53

1 stop33h 53m

Chicago O'Hare Intl

Fri 5/12

06:05-10:00

1 stop21h 55m

£400

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Thu 9/10

14:00-16:20

1 stop32h 20m

Chicago Midway

Tue 14/10

08:05-10:00

2 stops19h 55m

£424

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sat 28/2

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Thu 12/3

19:30-10:55

1 stop10h 25m

£427

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 5/3

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Wed 11/3

19:30-10:55

1 stop10h 25m

£427

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 27/2

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Thu 12/3

19:30-10:55

1 stop10h 25m

£427

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sat 28/2

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Tue 10/3

19:30-10:55

1 stop10h 25m

£427

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 27/2

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Fri 6/3

18:30-10:55

1 stop10h 25m

£427

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sun 1/3

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Wed 11/3

19:30-10:55

1 stop10h 25m

£427

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sat 28/2

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Fri 6/3

18:30-10:55

1 stop10h 25m

£427

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 45 results

...

Best time to book a flight from Gatwick to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Gatwick with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Gatwick Airport to Chicago

What is the cheapest month to book a flight from London Gatwick Airport to Chicago?

Currently, January is the cheapest month in which you can book a flight from London Gatwick Airport to Chicago (average of £595). Flying from London Gatwick Airport to Chicago in July is currently the most expensive (average of £843). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LGW to CHI?

It’s typically best to fly out from London Gatwick Airport to Chicago in the morning. Doing so could potentially save you 19% on the flight price compared to flying in the evening, which is usually more expensive.

What’s the top stopover airport for flights from London Gatwick Airport to Chicago?

Reykjavik (KEF) – chosen by Cheapflights users on 88% of one-stop itineraries from London Gatwick Airport to Chicago on Cheapflights.

What’s the cheapest stopover airport for flights from London Gatwick Airport to Chicago?

Lisbon (LIS) is the most affordable one-stop option, with an average return flight price of £342.

What’s the fastest stopover option from London Gatwick Airport to Chicago?

Flights via Reykjavik (KEF) have the shortest average one-way travel time for one-stop routes: 12h 00m.

Which airport typically offers the quickest stopover for flights from London Gatwick Airport to Chicago?

Flights via Madrid (MAD) offer the fastest connection on this route, with an average stopover time of 1h 39m.

Reviews of airlines servicing Chicago

Get a feel of what it's like to fly with Icelandair and British Airways from London Gatwick Airport to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Icelandair

7.0

Good

544 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.

Icelandair

7.0

Good

544 reviews

Icelandair

7.0

Good

544 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.

British Airways

6.7

Okay

7,361 reviews

Icelandair

7.0

Good

544 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.

Related info for your journey

How long is the flight from London Gatwick Airport to Chicago?
A quick flight from London Gatwick Airport to Chicago can take about 11h 25m. Icelandair provides one of the quickest options available for as low as £427. Airlines will cover a distance of 3960 mi.
What is the cheapest airline to fly from London Gatwick Airport to Chicago round-trip?
Flying on Icelandair is currently your cheapest option to Chicago, with prices starting at £308. You may be able to fly from London Gatwick Airport to Chicago for 43% less than the average price by searching for this airline.
Can I find deals for flights from Gatwick to Chicago that include hotel bookings?
Yes. In addition to deals on Gatwick to Chicago flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Gatwick to Chicago?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Chicago.
Can I find deals for business class flights from Gatwick to Chicago?
Yes. Cheapflights offers flight deals from Gatwick to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Gatwick Airport to Chicago?
Currently, January is the cheapest month in which you can book a flight from London Gatwick Airport to Chicago (average of £595). Flying from London Gatwick Airport to Chicago in July is currently the most expensive (average of £843). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Gatwick to Chicago

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Top airline flying from Gatwick to Chicago

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£308	Average£510	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights

Fly with Cheapflights

How does Cheapflights help users find flights from Gatwick to Chicago?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Gatwick to Chicago. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Gatwick to Chicago?

Millions of users choose and trust Cheapflights to book the best flight deals from Gatwick to Chicago for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Gatwick to Chicago with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Gatwick to Chicago flexibly with Cheapflights today.

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Cheap flights from London Gatwick Airport to Chicago from £394

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Gatwick to Chicago

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Gatwick to Chicago

Cheapest flights from Gatwick to ChicagoExplore the most affordable flight options available from Gatwick to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Explore the most affordable flight options available from Gatwick to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Gatwick Airport to Chicago that are best for you.

Best time to book a flight from Gatwick to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Gatwick with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London Gatwick Airport to Chicago

What is the cheapest month to book a flight from London Gatwick Airport to Chicago?

What is the cheapest time of day to fly from LGW to CHI?

Find hourly flight availability from Gatwick to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 September 2025.

What’s the top stopover airport for flights from London Gatwick Airport to Chicago?

Share of one-stop return flights from London Gatwick Airport to Chicago chosen by Cheapflights users in the past 12 months, using the same stopover each way.

What’s the cheapest stopover airport for flights from London Gatwick Airport to Chicago?

Average return fare for one-stop flights from London Gatwick Airport to Chicago, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

What’s the fastest stopover option from London Gatwick Airport to Chicago?

Shortest average travel time for one-stop one-way flights from London Gatwick Airport to Chicago, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Which airport typically offers the quickest stopover for flights from London Gatwick Airport to Chicago?

Average stopover duration for one-stop one-way flights from London Gatwick Airport to Chicago, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Chicago

Get a feel of what it's like to fly with Icelandair and British Airways from London Gatwick Airport to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Gatwick to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from London Gatwick Airport to Chicago?

What is the cheapest airline to fly from London Gatwick Airport to Chicago round-trip?

Can I find deals for flights from Gatwick to Chicago that include hotel bookings?

How can I find direct flights from Gatwick to Chicago?

Can I find deals for business class flights from Gatwick to Chicago?

What is the cheapest month to book a flight from London Gatwick Airport to Chicago?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Gatwick to Chicago

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Gatwick to Chicago

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How does Cheapflights help users find flights from Gatwick to Chicago?

Why should you use Cheapflights to find cheap flight tickets from Gatwick to Chicago?

Can Cheapflights find flights from Gatwick to Chicago with no change fees?

Can Cheapflights notify me if prices for flights from Gatwick to Chicago become cheaper?

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Cheapest flights from Gatwick to Chicago
Explore the most affordable flight options available from Gatwick to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.