How old do you have to be to fly from London Gatwick Airport to Illinois?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Gatwick Airport to Illinois.

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

The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$386 Cheap Flights from London Gatwick Airport to Illinois in 2026

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Find the cheapest flights from London Gatwick Airport to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 6:15 pm

LGW

ORD

32h 35m

1 stop

10:25 pm - 2:40 pm

ORD

LGW

10h 15m

1 stop

$592Icelandair

Wed, Apr 15 - Sun, Apr 19

3:40 pm - 6:15 pm

LGW

ORD

32h 35m

1 stop

7:25 pm - 2:40 pm

ORD

LGW

13h 15m

1 stop

$597Icelandair

Tue, Apr 14 - Wed, Apr 22

3:40 pm - 9:25 pm

LGW

ORD

11h 45m

1 stop

7:25 pm - 2:40 pm

ORD

LGW

13h 15m

1 stop

$598Icelandair

Fri, Apr 24 - Mon, Apr 27

3:40 pm - 6:15 pm

LGW

ORD

32h 35m

1 stop

7:25 pm - 2:40 pm

ORD

LGW

13h 15m

1 stop

$600Icelandair

Mon, Apr 20 - Mon, Apr 27

3:40 pm - 6:15 pm

LGW

ORD

32h 35m

1 stop

7:25 pm - 2:40 pm

ORD

LGW

13h 15m

1 stop

$601Icelandair

Mon, Apr 20 - Mon, Apr 27

3:40 pm - 6:15 pm

LGW

ORD

32h 35m

1 stop

7:25 pm - 2:40 pm

ORD

LGW

13h 15m

1 stop

$603Icelandair

Thu, Apr 16 - Tue, Apr 21

2:00 pm - 8:04 am

LGW

MDW

24h 04m

1 stop

2:00 pm - 10:00 am

MDW

LGW

14h 00m

1 stop

$736Multiple Airlines

Sun, Apr 19 - Sun, Apr 26

2:00 pm - 10:19 pm

LGW

MDW

38h 19m

2 stops

7:30 am - 6:20 am

MDW

LGW

16h 50m

1 stop

$745Multiple Airlines

Sun, Apr 19 - Sun, Apr 26

10:25 am - 10:28 pm

LGW

MDW

18h 03m

2 stops

12:52 pm - 9:25 am

MDW

LGW

14h 33m

2 stops

$801Air France

Wed, Apr 22 - Wed, Apr 29

10:25 am - 9:44 pm

LGW

EVV

17h 19m

2 stops

5:55 pm - 4:00 pm

EVV

LGW

16h 05m

2 stops

$7,038Delta

Thu, May 7 - Thu, May 14

Icelandair flights from London Gatwick Airport to Illinois

Our best Icelandair deals on London Gatwick Airport to Illinois flight tickets

Icelandair

Apr 15

LGW3:40 pmLondon Gatwick

32h 35m

1 stop

ORD6:15 pmChicago O'Hare Intl

Apr 19

ORD10:25 pmChicago O'Hare Intl

10h 15m

1 stop

LGW2:40 pmLondon Gatwick

$592

Icelandair

Apr 14

LGW3:40 pmLondon Gatwick

32h 35m

1 stop

ORD6:15 pmChicago O'Hare Intl

Apr 22

ORD7:25 pmChicago O'Hare Intl

13h 15m

1 stop

LGW2:40 pmLondon Gatwick

$597

Icelandair

Apr 24

LGW3:40 pmLondon Gatwick

11h 45m

1 stop

ORD9:25 pmChicago O'Hare Intl

Apr 27

ORD7:25 pmChicago O'Hare Intl

13h 15m

1 stop

LGW2:40 pmLondon Gatwick

$598

TAP AIR PORTUGAL flights from London Gatwick Airport to Illinois

Our best TAP AIR PORTUGAL deals on London Gatwick Airport to Illinois flight tickets

TAP AIR PORTUGAL

Apr 30

LGW2:50 pmLondon Gatwick

31h 10m

1 stop

ORD4:00 pmChicago O'Hare Intl

May 9

ORD6:05 pmChicago O'Hare Intl

33h 40m

1 stop

LGW9:45 amLondon Gatwick

$618

TAP AIR PORTUGAL

Mar 31

LGW10:35 amLondon Gatwick

35h 25m

1 stop

ORD4:00 pmChicago O'Hare Intl

Apr 12

ORD6:00 pmChicago O'Hare Intl

20h 25m

2 stops

LGW8:25 pmLondon Gatwick

$845

TAP AIR PORTUGAL

Mar 31

LGW9:15 pmLondon Gatwick

24h 45m

2 stops

ORD4:00 pmChicago O'Hare Intl

Apr 12

ORD6:00 pmChicago O'Hare Intl

20h 25m

2 stops

LGW8:25 pmLondon Gatwick

$873

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 4/15

3:40 pm-6:15 pm

1 stop32h 35m

Chicago O'Hare Intl

Sun 4/19

10:25 pm-2:40 pm

1 stop10h 15m

$592

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 4/14

3:40 pm-6:15 pm

1 stop32h 35m

Chicago O'Hare Intl

Wed 4/22

7:25 pm-2:40 pm

1 stop13h 15m

$597

Quickest round-trip

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 4/24

3:40 pm-9:25 pm

1 stop11h 45m

Chicago O'Hare Intl

Mon 4/27

7:25 pm-2:40 pm

1 stop13h 15m

$598

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 4/20

3:40 pm-6:15 pm

1 stop32h 35m

Chicago O'Hare Intl

Mon 4/27

7:25 pm-2:40 pm

1 stop13h 15m

$600

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 4/20

3:40 pm-6:15 pm

1 stop32h 35m

Chicago O'Hare Intl

Mon 4/27

7:25 pm-2:40 pm

1 stop13h 15m

$601

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 4/16

3:40 pm-6:15 pm

1 stop32h 35m

Chicago O'Hare Intl

Tue 4/21

7:25 pm-2:40 pm

1 stop13h 15m

$603

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Sun 4/19

2:00 pm-8:04 am

1 stop24h 04m

Chicago Midway

Sun 4/26

2:00 pm-10:00 am

1 stop14h 00m

$736

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Sun 4/19

2:00 pm-10:19 pm

2 stops38h 19m

Chicago Midway

Sun 4/26

7:30 am-6:20 am

1 stop16h 50m

$745

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Wed 4/22

10:25 am-10:28 pm

2 stops18h 03m

Chicago Midway

Wed 4/29

12:52 pm-9:25 am

2 stops14h 33m

$801

LondonEvansville

LGW - EVV

LGWEVV

London Gatwick

Thu 5/7

10:25 am-9:44 pm

2 stops17h 19m

Evansville Dress Regional

Thu 5/14

5:55 pm-4:00 pm

2 stops16h 05m

$7,038

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 London Gatwick Airport to Illinois

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 airline that flies from London Gatwick to Illinois?

SWISS and Icelandair are the most popular carriers operating from London Gatwick to Illinois

Cheap London Gatwick Airport to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Gatwick Airport to Illinois

Fastest flight time	11h 45m
Direct flights	None

The fastest flight from London Gatwick Airport to Illinois takes 11h 45m

There are no direct flights from London Gatwick Airport to Illinois. There are no popular flight routes from London Gatwick Airport to Illinois.

Search flight deals

When did momondo last update prices for flights from London Gatwick Airport to Illinois?
Prices for flights from London Gatwick Airport to Illinois refresh daily.
How old do you have to be to fly from London Gatwick Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Gatwick Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from London to Illinois?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Illinois for you.

Can I find flights from London to Illinois with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Illinois from London with this policy.

How can momondo help me find flights from London to Illinois?

momondo helps you find the best flight between London and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for London to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.