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Cheap flights from London Gatwick Airport to Chicago O'Hare Intl Airport from £394

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 17/8. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — ORD
16 Jul — 23 Jul1
1 adult

Cheapflights Tip: The best prices from London Gatwick to Chicago O'Hare Intl are usually found in November or May, booked 37 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap flight deals from Gatwick to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Gatwick (LGW) to O'Hare Intl (ORD). 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 11 July 2025.

Round-trip from

£408

One-way from

£394

Popular in

August

Cheapest in

November

Average price

£600
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 23/10-31/10
  • 2 total stops
  • 67h 10m total
  • London to Chicago
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17/8
  • 17/8
  • 2 total stops
  • 32h 38m total
  • London to Chicago
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£72 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£14 potential savings vs. average return price).
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Average for round-trip flights in July 2025
Search Deals

Find flight deals from Gatwick to O'Hare Intl

Cheapest flights from Gatwick to O'Hare Intl
Explore the most affordable flight options available from Gatwick to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Thu 23/1010:35LGW - ORD
1 stop35h 35mTAP AIR PORTUGAL
Fri 31/1021:15ORD - LGW
1 stop31h 35mTAP AIR PORTUGAL
Deal found 10/7£408
Mon 1/915:40LGW - ORD
1 stop11h 35mIcelandair
Mon 3/1118:30ORD - LGW
1 stop10h 25mIcelandair
Deal found 9/7£410
Sat 20/909:50LGW - ORD
2 stops24h 56mMultiple Airlines
Mon 29/910:27ORD - LGW
1 stop14h 28mMultiple Airlines
Deal found 9/7£411
Tue 16/915:05LGW - ORD
1 stop24h 10mAmerican Airlines
Fri 26/913:59ORD - LGW
1 stop12h 11mAmerican Airlines
Deal found 11/7£417
Mon 15/911:35LGW - ORD
2 stops27h 40mBritish Airways
Mon 22/913:59ORD - LGW
1 stop12h 11mBritish Airways
Deal found 11/7£418
Mon 3/1118:40LGW - ORD
1 stop27h 35mSWISS
Sat 8/1116:10ORD - LGW
1 stop19h 40mSWISS
Deal found 9/7£449
Wed 8/1015:05LGW - ORD
1 stop24h 08mFinnair
Sun 19/1007:00ORD - LGW
2 stops18h 50mFinnair
Deal found 10/7£451

Cheapflights Fare Finder

Customise your flight search to find flights from Gatwick to O'Hare Intl 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 11 July 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Gatwick

Fly to

O'Hare Intl

Route

Depart

Return

Price

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 23/10

10:35-16:10

1 stop35h 35m

Chicago O'Hare Intl

Fri 31/10

21:15-09:50

1 stop31h 35m

£408

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 1/9

15:40-21:15

1 stop11h 35m

Chicago O'Hare Intl

Mon 3/11

18:30-10:55

1 stop10h 25m

£410

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sat 20/9

09:50-04:46

2 stops24h 56m

Chicago O'Hare Intl

Mon 29/9

10:27-06:55

1 stop14h 28m

£411

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 16/9

15:05-09:15

1 stop24h 10m

Chicago O'Hare Intl

Fri 26/9

13:59-08:10

1 stop12h 11m

£417

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 15/9

11:35-09:15

2 stops27h 40m

Chicago O'Hare Intl

Mon 22/9

13:59-08:10

1 stop12h 11m

£418

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 3/11

18:40-16:15

1 stop27h 35m

Chicago O'Hare Intl

Sat 8/11

16:10-17:50

1 stop19h 40m

£449

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 8/10

15:05-09:13

1 stop24h 08m

Chicago O'Hare Intl

Sun 19/10

07:00-07:50

2 stops18h 50m

£451

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sun 17/8

14:00-16:38

2 stops32h 38m

£394

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 7/8

15:40-21:15

1 stop11h 35m

£404

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 11/11

16:35-15:00

1 stop28h 25m

£433

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 11 results
1
2

Best time to book a flight from Gatwick to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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 O'Hare Intl Airport

How far ahead should I book a flight from London Gatwick Airport to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a return flight from Gatwick to O'Hare Intl. Price data was last updated on 27 June 2025.

The price you pay for your flight from London Gatwick Airport to Chicago O'Hare Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 37 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London Gatwick Airport to Chicago O'Hare Intl Airport?

Currently, January is the cheapest month in which you can book a flight from London Gatwick Airport to Chicago O'Hare Intl Airport (average of £595). Flying from London Gatwick Airport to Chicago O'Hare Intl Airport 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 ORD?

Find hourly flight availability from Gatwick to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.

It’s optimal to fly from London Gatwick Airport to Chicago O'Hare Intl Airport at midday. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the afternoon.

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated 11 July 2025.
Read through reviews of airlines operating flights from London Gatwick Airport to Chicago O'Hare Intl Airport, such as Finnair, SWISS, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,312 reviews
Check prices

Entertainment

6.9

Comfort

7.5

Crew

8.1

Boarding

7.6

Overall

7.6

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,312 reviews
Finnair
7.6
Good
1,312 reviews
Check prices

Entertainment

6.9

Comfort

7.5

Crew

8.1

Boarding

7.6

Overall

7.6

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
SWISS
7.5
Good
1,655 reviews
Finnair
7.6
Good
1,312 reviews
Check prices

Entertainment

6.9

Comfort

7.5

Crew

8.1

Boarding

7.6

Overall

7.6

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,312 reviews
Check prices

Entertainment

6.9

Comfort

7.5

Crew

8.1

Boarding

7.6

Overall

7.6

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
TAP AIR PORTUGAL
7.1
Good
1,917 reviews
Finnair
7.6
Good
1,312 reviews
Check prices

Entertainment

6.9

Comfort

7.5

Crew

8.1

Boarding

7.6

Overall

7.6

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Icelandair
7.0
Good
515 reviews
Finnair
7.6
Good
1,312 reviews
Check prices

Entertainment

6.9

Comfort

7.5

Crew

8.1

Boarding

7.6

Overall

7.6

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Related info for your journey

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

  • What are the cheapest airlines flying from London Gatwick Airport to Chicago O'Hare Intl Airport round-trip?

    Cheapflights users have booked flights from London Gatwick Airport to Chicago O'Hare Intl Airport round-trip from £408. Other airlines that can offer you cheap pricing are Icelandair, from £410, and American Airlines, from £417. TAP AIR PORTUGAL is 16% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from London Gatwick Airport to Chicago O'Hare Intl Airport one-way?

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as £404. However, be on the lookout for offers from TAP AIR PORTUGAL and SWISS, as they are both options that can get you from London Gatwick Airport to Chicago O'Hare Intl Airport for a low price.

  • Can I find deals for flights from Gatwick to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Gatwick to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Gatwick to O'Hare Intl?

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

  • Can I find deals for business class flights from Gatwick to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Gatwick to O'Hare Intl 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 O'Hare Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from London Gatwick Airport to Chicago O'Hare Intl Airport (average of £595). Flying from London Gatwick Airport to Chicago O'Hare Intl Airport 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

Travelling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Downers Grove
Elk Grove Village
Rosemont

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Top airline flying from Gatwick to O'Hare Intl

Discover the top airline that operate flights from Gatwick to O'Hare Intl. 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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£310Average£503FlexibilityNo cancel feeOn-time76%
Search Icelandair flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Gatwick to O'Hare Intl?

Cheapflights makes it easy to find Gatwick to O'Hare Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Gatwick to O'Hare Intl?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to O'Hare Intl from Gatwick.

Can Cheapflights find flights from Gatwick to O'Hare Intl with no change fees?

Yes, we can. To see specific flights from Gatwick to O'Hare Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Gatwick to O'Hare Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to O'Hare Intl from Gatwick today and book when prices fit your budget.

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