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Cheap flights from London Gatwick Airport to Chicago from £353

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/4. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — CHI
19 Apr — 26 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Gatwick to Chicago

Enter your travel dates to find the best prices.

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 20 March 2026.

Fri 17/415:40
LGW
-
ORD
1 stop11h 45m
Icelandair
Fri 24/422:25
ORD
-
LGW
1 stop10h 15m
Icelandair
Deal found 15/3£443
Wed 15/415:40
LGW
-
ORD
1 stop32h 35m
Icelandair
Sun 19/422:25
ORD
-
LGW
1 stop10h 15m
Icelandair
Deal found 20/3£444
Wed 15/415:40
LGW
-
ORD
1 stop32h 35m
Icelandair
Wed 22/419:25
ORD
-
LGW
1 stop13h 15m
Icelandair
Deal found 16/3£446
Tue 14/415:40
LGW
-
ORD
1 stop32h 35m
Icelandair
Tue 21/419:25
ORD
-
LGW
1 stop13h 15m
Icelandair
Deal found 17/3£448
Wed 29/415:40
LGW
-
ORD
1 stop32h 35m
Icelandair
Wed 6/522:25
ORD
-
LGW
1 stop10h 15m
Icelandair
Deal found 15/3£450
Fri 24/415:40
LGW
-
ORD
1 stop11h 45m
Icelandair
Fri 1/522:25
ORD
-
LGW
1 stop10h 15m
Icelandair
Deal found 15/3£452
Tue 14/415:40
LGW
-
ORD
1 stop32h 35m
Icelandair
Mon 20/419:25
ORD
-
LGW
1 stop13h 15m
Icelandair
Deal found 17/3£453
Wed 15/415:40
LGW
-
ORD
1 stop32h 35m
Icelandair
Sun 10/522:25
ORD
-
LGW
1 stop10h 15m
Icelandair
Deal found 16/3£454
Mon 20/415:40
LGW
-
ORD
1 stop32h 35m
Icelandair
Mon 4/519:25
ORD
-
LGW
1 stop10h 20m
Icelandair
Deal found 18/3£455
Wed 15/414:00
LGW
-
MDW
1 stop24h 04m
Multiple Airlines
Tue 21/407:30
MDW
-
LGW
1 stop16h 50m
Multiple Airlines
Deal found 17/3£581
Sat 18/414:00
LGW
-
MDW
1 stop23h 59m
Multiple Airlines
Sat 25/409:14
MDW
-
LGW
1 stop18h 46m
Multiple Airlines
Deal found 19/3£581
Wed 15/414:00
LGW
-
MDW
1 stop24h 04m
Multiple Airlines
Wed 22/407:30
MDW
-
LGW
2 stops25h 10m
Multiple Airlines
Deal found 16/3£582

Find flight deals from Gatwick to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Gatwick (LGW) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 March 2026.

Round-trip from

£444

One-way from

£353

Popular in

March

Cheapest in

November

Average price

£1,046
Icelandair
  • Icelandair
  • 15/4-19/4
  • 2 total stops
  • 42h 50m total
  • London to Chicago
Search Deals
30/4
  • 30/4
  • 1 total stop
  • 29h 55m total
  • London to Chicago
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£95 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£33 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Gatwick to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 20 March 2026.
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

Cheapest return flight
Fastest return journey

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 17/4

15:40-21:25

1 stop11h 45m

Chicago O'Hare Intl

Sun 19/4

19:25-14:40

1 stop13h 15m

£476

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Wed 22/4

14:00-07:26

1 stop23h 26m

Chicago Midway

Wed 29/4

07:30-09:45

2 stops20h 15m

£581

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 14/4

09:25-15:55

1 stop12h 30m

Chicago O'Hare Intl

Mon 20/4

21:30-17:50

2 stops14h 20m

£581

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 27/5

15:40-21:25

1 stop11h 45m

Chicago O'Hare Intl

Sun 31/5

22:25-11:45

1 stop31h 20m

£619

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 3/7

15:40-18:15

1 stop32h 35m

Chicago O'Hare Intl

Sat 25/7

22:25-14:40

1 stop10h 15m

£641

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 17/4

12:05-16:05

2 stops34h 00m

Chicago O'Hare Intl

Sun 19/4

18:00-11:20

2 stops35h 20m

£644

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Mon 13/4

12:40-10:15

1 stop27h 35m

Chicago Midway

Mon 27/4

09:14-10:00

1 stop18h 46m

£664

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 11/5

09:25-15:55

1 stop12h 30m

Chicago O'Hare Intl

Mon 18/5

21:30-17:50

2 stops14h 20m

£693

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Fri 1/5

10:25-22:28

2 stops18h 03m

Chicago Midway

Fri 8/5

13:22-16:00

2 stops20h 38m

£700

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Sat 23/5

09:45-09:40

2 stops29h 55m

Chicago Midway

Sat 30/5

10:25-10:45

1 stop18h 20m

£731

Flights are sorted by cheapest return flights first.

Deals found on 16/3

Showing 1-10 of 38 resultsSorted by cheapest first
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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, December is the cheapest month in which you can book a flight from London Gatwick Airport to Chicago (average of £220). Flying from London Gatwick Airport to Chicago in July is currently the most expensive (average of £516). 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’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.

Reykjavik (KEF) – chosen by Cheapflights users on 90% 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?

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.

Lisbon (LIS) is the most affordable one-stop option, with an average return flight price of £382.

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.

Flights via Reykjavik (KEF) have the shortest average one-way travel time for one-stop routes: 11h 57m.

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.

Flights via Madrid (MAD) offer the fastest connection on this route, with an average stopover time of 1h 38m.

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated 20 March 2026.
Get a feel of what it's like to fly with Icelandair 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
625 reviews
Check prices

Entertainment

7.0

Boarding

7.2

Crew

8.0

Food

6.2

Overall

7.0

Comfort

6.9

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

ZRH - KEF

Almost 7 hr flight and no ear buds provided and no food. I would choose a different airline next time for that reason.
Icelandair
7.0
Good
625 reviews
Icelandair
7.0
Good
625 reviews
Check prices

Entertainment

7.0

Boarding

7.2

Crew

8.0

Food

6.2

Overall

7.0

Comfort

6.9

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

ZRH - KEF

Almost 7 hr flight and no ear buds provided and no food. I would choose a different airline next time for that reason.

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?

    A quick flight from London Gatwick Airport to Chicago can take about 11h 45m. Icelandair provides one of the quickest options available for as low as £476. Airlines will cover a distance of 3960 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 £344. 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, December is the cheapest month in which you can book a flight from London Gatwick Airport to Chicago (average of £220). Flying from London Gatwick Airport to Chicago in July is currently the most expensive (average of £516). 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

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Top airline flying from Gatwick to Chicago

Discover the top airline that operate flights from Gatwick to Chicago. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 20 March 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£344Average£509FlexibilityNo cancel feeOn-time76%
Search Icelandair flights

Fly with Cheapflights

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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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