What airlines fly to Illinois?

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Illinois from Greenville according to our data. American Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 7 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Greenville to Illinois?

Delta, Southwest, and Allegiant Air are the most popular carriers operating from Greenville to Illinois

How many flights depart from Greenville to Illinois on average per week?

As of April 2026, there are 149 flights per week flying from Greenville to Illinois. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

How many flights depart from Greenville to Illinois on average per day?

The number of flights available between Greenville and Illinois is 21 per day as of April 2026. The most frequent departure time is 5:00PM, with 52% of daily flights leaving at noon.

When did momondo last update prices for flights from Greenville Airport to Illinois?

Prices for flights from Greenville Airport to Illinois are updated daily.

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

There are 3 operators available for flights from Greenville Airport to Illinois as of April 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Greenville Airport to Illinois.

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

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$91 Cheap Flights from Greenville to Illinois in 2026

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Find the cheapest flights from Greenville to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:43 pm - 11:59 pm

GSP

ORD

7h 16m

1 stop

5:05 am - 4:53 pm

ORD

GSP

10h 48m

1 stop

$222Multiple Airlines

Fri, May 8 - Mon, May 11

5:05 pm - 12:37 pm

GSP

ORD

20h 32m

1 stop

1:50 pm - 7:29 am

ORD

GSP

16h 39m

2 stops

$223Multiple Airlines

Mon, Jun 1 - Wed, Jun 3

5:05 pm - 10:15 pm

GSP

MDW

6h 10m

1 stop

6:00 am - 1:10 pm

MDW

GSP

6h 10m

1 stop

$230Southwest

Wed, May 20 - Wed, Jun 10

5:05 pm - 10:15 pm

GSP

MDW

6h 10m

1 stop

5:05 pm - 10:45 pm

MDW

GSP

4h 40m

1 stop

$231Southwest

Wed, Jun 3 - Mon, Jun 8

6:00 am - 7:20 am

GSP

ORD

2h 20mnonstop

6:10 pm - 9:17 pm

ORD

GSP

2h 07mnonstop

$255United Airlines

Sat, Jun 13 - Tue, Jun 16

6:31 am - 11:32 am

GSP

STL

6h 01m

1 stop

1:29 pm - 7:38 pm

STL

GSP

5h 09m

1 stop

$285American Airlines

Sat, May 9 - Mon, May 11

5:12 pm - 11:26 pm

GSP

MLI

7h 14m

1 stop

5:15 am - 11:01 am

MLI

GSP

4h 46m

1 stop

$329American Airlines

Fri, May 8 - Tue, May 12

10:49 am - 2:23 pm

GSP

BMI

4h 34m

1 stop

9:44 am - 5:00 pm

BMI

GSP

6h 16m

1 stop

$329United Airlines

Sat, Jul 11 - Sat, Jul 18

5:50 pm - 10:21 pm

GSP

BMI

5h 31m

1 stop

4:14 pm - 11:43 pm

BMI

GSP

6h 29m

1 stop

$339Delta

Tue, May 5 - Sat, May 9

5:40 am - 9:30 am

GSP

EVV

4h 50m

1 stop

5:55 pm - 11:43 pm

EVV

GSP

4h 48m

1 stop

$347Delta

Tue, May 19 - Tue, May 26

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American Airlines flights from Greenville to Illinois

Our best American Airlines deals on Greenville to Illinois flight tickets

American Airlines

May 23

GSP6:43 pmGreenville

2h 34m

ORD8:17 pmChicago O'Hare Intl

May 25

ORD7:15 pmChicago O'Hare Intl

2h 03m

GSP10:18 pmGreenville

$262

American Airlines

Aug 7

GSP7:30 amGreenville

2h 21m

ORD8:51 amChicago O'Hare Intl

Aug 10

ORD8:02 amChicago O'Hare Intl

1h 53m

GSP10:55 amGreenville

$269

American Airlines

May 23

GSP6:43 pmGreenville

2h 34m

ORD8:17 pmChicago O'Hare Intl

May 25

ORD7:58 amChicago O'Hare Intl

5h 09m

1 stop

GSP2:07 pmGreenville

$272

United Airlines flights from Greenville to Illinois

Our best United Airlines deals on Greenville to Illinois flight tickets

United Airlines

Jun 13

GSP6:00 amGreenville

2h 20m

ORD7:20 amChicago O'Hare Intl

Jun 16

ORD6:10 pmChicago O'Hare Intl

2h 07m

GSP9:17 pmGreenville

$255

United Airlines

Jun 13

GSP5:41 pmGreenville

2h 17m

ORD6:58 pmChicago O'Hare Intl

Jun 16

ORD8:40 amChicago O'Hare Intl

4h 40m

1 stop

GSP2:20 pmGreenville

$265

United Airlines

Oct 2

GSP1:10 pmGreenville

2h 02m

ORD2:12 pmChicago O'Hare Intl

Oct 6

ORD6:10 pmChicago O'Hare Intl

2h 01m

GSP9:11 pmGreenville

$277

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GreenvilleChicago

GSP - ORD

GSPORD

Greenville

Fri 5/8

5:43 pm-11:59 pm

1 stop7h 16m

Chicago O'Hare Intl

Mon 5/11

5:05 am-4:53 pm

1 stop10h 48m

$222

GreenvilleChicago

GSP - ORD

GSPORD

Greenville

Mon 6/1

5:05 pm-12:37 pm

1 stop20h 32m

Chicago O'Hare Intl

Wed 6/3

1:50 pm-7:29 am

2 stops16h 39m

$223

GreenvilleChicago

GSP - MDW

GSPMDW

Greenville

Wed 5/20

5:05 pm-10:15 pm

1 stop6h 10m

Chicago Midway

Wed 6/10

6:00 am-1:10 pm

1 stop6h 10m

$230

GreenvilleChicago

GSP - MDW

GSPMDW

Greenville

Wed 6/3

5:05 pm-10:15 pm

1 stop6h 10m

Chicago Midway

Mon 6/8

5:05 pm-10:45 pm

1 stop4h 40m

$231

Quickest round-trip

GreenvilleChicago

GSP - ORD

GSPORD

Greenville

Sat 6/13

6:00 am-7:20 am

Nonstop2h 20m

Chicago O'Hare Intl

Tue 6/16

6:10 pm-9:17 pm

Nonstop2h 07m

$255

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Sat 5/9

6:31 am-11:32 am

1 stop6h 01m

Lambert-St Louis

Mon 5/11

1:29 pm-7:38 pm

1 stop5h 09m

$285

GreenvilleMoline

GSP - MLI

GSPMLI

Greenville

Fri 5/8

5:12 pm-11:26 pm

1 stop7h 14m

Moline Quad-City

Tue 5/12

5:15 am-11:01 am

1 stop4h 46m

$329

GreenvilleBloomington

GSP - BMI

GSPBMI

Greenville

Sat 7/11

10:49 am-2:23 pm

1 stop4h 34m

Bloomington-Normal

Sat 7/18

9:44 am-5:00 pm

1 stop6h 16m

$329

GreenvilleBloomington

GSP - BMI

GSPBMI

Greenville

Tue 5/5

5:50 pm-10:21 pm

1 stop5h 31m

Bloomington-Normal

Sat 5/9

4:14 pm-11:43 pm

1 stop6h 29m

$339

GreenvilleEvansville

GSP - EVV

GSPEVV

Greenville

Tue 5/19

5:40 am-9:30 am

1 stop4h 50m

Evansville Dress Regional

Tue 5/26

5:55 pm-11:43 pm

1 stop4h 48m

$347

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 Greenville 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

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Greenville is in February. Flight prices, which tend to average around $229, 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 February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $265.

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

The cheapest day to depart from Greenville to Illinois is on a Thursday when prices can be found for as low as $374. Flights from Greenville to Illinois on a Sunday will generally be more expensive and average around $659. 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 evening. Flights from Greenville to Illinois during this time can be as low as $314. Flights at noon are often more expensive with an average ticket price of $860.

What is the cheapest Greenville to Illinois flight route?

Fly from Greenville to Chicago O'Hare Intl for the best Greenville - Illinois flight prices

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

You are more likely to see cheaper flights to Illinois from Greenville when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $294 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Greenville for as low as $202 on momondo.

What cabin class options are available on Greenville to Illinois flights?

There are 4 cabin classes available to choose from on Greenville to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Greenville to Illinois flights?

No. A direct flight is the cheapest option for a flight between Greenville to Illinois.

Cheap Greenville to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Greenville to Illinois

Best Price Found	$253
Fastest flight time	2h 02m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Greenville in the past 72 hours is $253. The best round-trip flight deal from Greenville to Illinois found on momondo in the last 72 hours is $353.

The fastest flight from Greenville to Illinois takes 2h 02m

Direct flights go from Greenville to Illinois every day.

There are 98 airports in Illinois. From Greenville there are direct flights to Chicago O'Hare Intl (ORD).

Search flight deals

Frequently asked questions about flying from Greenville to Illinois

When did momondo last update prices for flights from Greenville Airport to Illinois?
Prices for flights from Greenville Airport to Illinois are updated daily.
How many operators does momondo search for flights from Greenville Airport to Illinois?
There are 3 operators available for flights from Greenville Airport to Illinois as of April 2026.
How old do you have to be to fly from Greenville Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Greenville Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Greenville to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Greenville to Illinois is Embraer 175 (Enhanced Winglets) (24.80% of total bookings). The next most popular plane models are Canadair (Bombardier) Regional Jet CRJ-550 (22.64%), Embraer 170 (17.26%), and Embraer 175 (15.52%).

Best airlines flying from Greenville to Illinois

Compare and see reviews for airlines that fly from Greenville to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $107	Free Cancellation	Rating 7.9 8,434 reviews	Search Delta flights
United Airlines	PriceFrom $202	Free Cancellation	Rating 7.4 9,613 reviews	Search United Airlines flights
American Airlines	PriceFrom $202	Free Cancellation	Rating 7.1 11,645 reviews	Search American Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Greenville.

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

momondo does allow users to show only those flights to Illinois from Greenville which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Illinois from Greenville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Greenville and alert you when they change.

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Popular cities in Illinois

Flights to New Yorkfrom $56

Flights to Los Angelesfrom $31

Flights to Orlandofrom $53

Flights to Miamifrom $48

Flights to Chicagofrom $69

Flights to San Franciscofrom $56

Flights to Las Vegasfrom $37

Flights to Washington, D.C.from $56

Flights to Bostonfrom $73

Flights to Atlantafrom $56

Flights to Dallasfrom $60

Flights to Fort Lauderdalefrom $56

Cheap flights from Greenville to Illinois from $91

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Greenville to Illinois departing on 5/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Greenville to Illinois

Our best American Airlines deals on Greenville to Illinois flight tickets

United Airlines flights from Greenville to Illinois

Our best United Airlines deals on Greenville to Illinois flight tickets

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See travel insights to Illinois from

How to get the cheapest flight ticket from Greenville to Illinois

What is the cheapest month to fly to Illinois?

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

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

What is the cheapest Greenville to Illinois flight route?

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

What cabin class options are available on Greenville to Illinois flights?

Can stopping save me money on Greenville to Illinois flights?

What is the cheapest airline that flies from Greenville to Illinois?

What airlines fly to Illinois?

How many flights depart from Greenville to Illinois on average per day?

How many flights depart from Greenville to Illinois on average per week?

Cheap Greenville to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Greenville to Illinois

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

Frequently asked questions about flying from Greenville to Illinois

Best airlines flying from Greenville to Illinois

Compare and see reviews for airlines that fly from Greenville to Illinois with momondo

Why use momondo?

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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