How many operators does momondo search for flights from London Gatwick Airport to Illinois?

As of July 2025, there is 1 operator available to choose from for flights from London Gatwick Airport to Illinois.

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.

$248 Cheap Flights from London Gatwick Airport to Illinois in 2025

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from London Gatwick Airport to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

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

2:00 pm - 4:12 pmLGW-ORD

32h 12m1 stop

6:30 am - 10:00 amORD-LGW

21h 30m1 stop

$427

Find Deal

Tue, Oct 7 - Tue, Oct 14

2:00 pm - 4:12 pmLGW-ORD

32h 12m1 stop

6:30 am - 10:00 amORD-LGW

21h 30m1 stop

$438

Find Deal

Thu, Sep 11 - Wed, Sep 24

2:00 pm - 4:12 pmLGW-ORD

32h 12m1 stop

6:30 am - 10:00 amORD-LGW

21h 30m1 stop

$439

Find Deal

Thu, Sep 11 - Wed, Sep 24

2:00 pm - 4:12 pmLGW-ORD

32h 12m1 stop

5:17 pm - 10:10 amORD-LGW

34h 53m1 stop

$442

Find Deal

Thu, Sep 4 - Sat, Sep 27

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

4:35 pm - 3:00 pmLGW-ORD

28h 25m1 stop

7:10 pm - 3:05 pmORD-LGW

13h 55m1 stop

$510TAP AIR PORTUGAL

Find Deal

Tue, Nov 18 - Wed, Nov 26

2:30 pm - 1:12 pmLGW-STL

28h 42m2 stops

6:55 pm - 8:10 amSTL-LGW

31h 15m2 stops

$1,073Finnair

Find Deal

Sat, Aug 23 - Tue, Sep 2

Icelandair flights from London Gatwick Airport to Illinois

Our best Icelandair deals on London Gatwick Airport to Illinois 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

JetBlue flights from London Gatwick Airport to Illinois

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

JetBlue

Aug 11

LGW12:10 pmLondon Gatwick

25h 45m

1 stop

ORD7:55 amChicago O'Hare Intl

Aug 18

ORD4:27 pmChicago O'Hare Intl

11h 08m

1 stop

LGW9:35 amLondon Gatwick

$802

Find similar

JetBlue

Aug 13

LGW12:10 pmLondon Gatwick

25h 45m

1 stop

ORD7:55 amChicago O'Hare Intl

Sep 10

ORD9:51 amChicago O'Hare Intl

17h 44m

1 stop

LGW9:35 amLondon Gatwick

$830

Find similar

JetBlue

Aug 13

LGW12:10 pmLondon Gatwick

25h 45m

1 stop

ORD7:55 amChicago O'Hare Intl

Sep 10

ORD9:51 amChicago O'Hare Intl

17h 44m

1 stop

LGW9:35 amLondon Gatwick

$831

Find similar

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

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

Tue 10/7

2:00 pm-4:12 pm

1 stop32h 12m

Chicago O'Hare Intl

Tue 10/14

6:30 am-10:00 am

1 stop21h 30m

$427

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 9/11

2:00 pm-4:12 pm

1 stop32h 12m

Chicago O'Hare Intl

Wed 9/24

6:30 am-10:00 am

1 stop21h 30m

$438

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 9/11

2:00 pm-4:12 pm

1 stop32h 12m

Chicago O'Hare Intl

Wed 9/24

6:30 am-10:00 am

1 stop21h 30m

$439

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 9/4

2:00 pm-4:12 pm

1 stop32h 12m

Chicago O'Hare Intl

Sat 9/27

5:17 pm-10:10 am

1 stop34h 53m

$442

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

LGW - ORD

LGWORD

London Gatwick

Tue 11/18

4:35 pm-3:00 pm

1 stop28h 25m

Chicago O'Hare Intl

Wed 11/26

7:10 pm-3:05 pm

1 stop13h 55m

$510

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Sat 8/23

2:30 pm-1:12 pm

2 stops28h 42m

Lambert-St Louis

Tue 9/2

6:55 pm-8:10 am

2 stops31h 15m

$1,073

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 month to fly to Illinois?

The cheapest month to fly to Illinois from London Gatwick Airport is in January. Flight prices, which tend to average around $528, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $544.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from London Gatwick Airport to Illinois is on a Sunday when prices can be found for as low as $585. Flights from London Gatwick Airport to Illinois on a Monday will generally be more expensive and average around $1,037. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from London Gatwick Airport to Illinois during this time can be as low as $713. Flights at noon are often more expensive with an average ticket price of $773.

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from London Gatwick Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $669 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from London Gatwick Airport for as low as $486 on momondo.

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

Best Price Found	$248
Fastest flight time	11h 15m
Direct flights	None
Airports in Illinois	3 airports

The best one-way flight to Illinois from London Gatwick Airport in the past 72 hours is $248. The best round-trip flight deal from London Gatwick Airport to Illinois found on momondo in the last 72 hours is $408.

The fastest flight from London Gatwick Airport to Illinois takes 11h 15m

There are no direct flights from London Gatwick Airport to Illinois. Popular non-direct routes for this connection are London Gatwick Airport - Chicago Midway Airport and London Gatwick Airport - Chicago O'Hare Intl Airport.

There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)

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 many operators does momondo search for flights from London Gatwick Airport to Illinois?
As of July 2025, there is 1 operator available to choose from for flights from London Gatwick Airport to Illinois.
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.

Best airlines flying from London Gatwick Airport to Illinois

Compare and see reviews for airlines that fly from London Gatwick Airport to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $390	Free Cancellation	Rating 7.0 520 reviews		Search Icelandair flights

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.