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

As of July 2026, there are 132 flights per week flying from Greenville to Illinois. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

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

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

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.

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

The number of flights available between Greenville and Illinois is 18 per day as of July 2026. The most frequent departure time is 10:00AM, with 69% 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 4 operators available for flights from Greenville Airport to Illinois as of July 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

Discover deals from 900+ travel sites with momondo.

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.

7:00 am - 10:10 am

GSP

STL

4h 10m

1 stop

3:45 pm - 9:35 pm

STL

GSP

4h 50m

1 stop

$259Southwest

Mon, Aug 24 - Mon, Aug 24

5:30 pm - 10:15 pm

GSP

STL

5h 45m

1 stop

11:15 am - 7:00 pm

STL

GSP

6h 45m

1 stop

$259Southwest

Tue, Sep 22 - Sat, Sep 26

6:34 pm - 12:14 am

GSP

STL

6h 40m

1 stop

3:25 pm - 10:50 pm

STL

GSP

6h 25m

1 stop

$259American Airlines

Mon, Aug 17 - Mon, Aug 24

1:11 pm - 4:48 pm

GSP

STL

4h 37m

1 stop

7:27 am - 12:41 pm

STL

GSP

4h 14m

1 stop

$259American Airlines

Tue, Sep 22 - Sat, Sep 26

6:30 am - 10:12 am

GSP

STL

4h 42m

1 stop

9:30 am - 5:02 pm

STL

GSP

6h 32m

1 stop

$259United Airlines

Wed, Aug 26 - Thu, Aug 27

10:33 am - 3:38 pm

GSP

STL

6h 05m

1 stop

7:25 am - 1:32 pm

STL

GSP

5h 07m

1 stop

$266United Airlines

Thu, Sep 3 - Mon, Sep 7

1:28 pm - 5:53 pm

GSP

STL

5h 25m

1 stop

11:00 am - 4:15 pm

STL

GSP

4h 15m

1 stop

$269Delta

Mon, Aug 31 - Thu, Sep 3

8:59 am - 2:33 pm

GSP

STL

6h 34m

1 stop

3:39 pm - 10:59 pm

STL

GSP

6h 20m

1 stop

$269Delta

Sat, Sep 5 - Mon, Sep 7

6:03 pm - 3:20 pm

GSP

ORD

22h 17m

2 stops

7:11 am - 6:30 pm

ORD

GSP

10h 19m

1 stop

$269Multiple Airlines

Fri, Sep 11 - Mon, Sep 14

3:52 pm - 10:59 pm

GSP

ORD

8h 07m

1 stop

7:11 am - 6:30 pm

ORD

GSP

10h 19m

1 stop

$269Multiple Airlines

Thu, Sep 17 - Mon, Sep 21

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United Airlines flights from Greenville to Illinois

Our best United Airlines deals on Greenville to Illinois flight tickets

United Airlines

Sep 3

GSP10:33 amGreenville

6h 05m

1 stop

STL3:38 pmLambert-St Louis

Sep 7

STL7:25 amLambert-St Louis

5h 07m

1 stop

GSP1:32 pmGreenville

$266

United Airlines

Sep 3

GSP10:33 amGreenville

2h 20m

ORD11:53 amChicago O'Hare Intl

Sep 5

ORD10:25 amChicago O'Hare Intl

2h 07m

GSP1:32 pmGreenville

$279

United Airlines

Sep 11

GSP6:20 amGreenville

6h 42m

1 stop

STL12:02 pmLambert-St Louis

Sep 21

STL8:20 amLambert-St Louis

5h 43m

1 stop

GSP3:03 pmGreenville

$295

American Airlines flights from Greenville to Illinois

Our best American Airlines deals on Greenville to Illinois flight tickets

American Airlines

Aug 17

GSP7:39 amGreenville

2h 21m

ORD9:00 amChicago O'Hare Intl

Aug 22

ORD2:50 pmChicago O'Hare Intl

1h 59m

GSP5:49 pmGreenville

$269

American Airlines

Sep 2

GSP11:31 amGreenville

2h 13m

ORD12:44 pmChicago O'Hare Intl

Sep 6

ORD8:58 pmChicago O'Hare Intl

2h 01m

GSP11:59 pmGreenville

$274

American Airlines

Aug 20

GSP6:34 pmGreenville

2h 30m

ORD8:04 pmChicago O'Hare Intl

Aug 23

ORD8:24 pmChicago O'Hare Intl

2h 01m

GSP11:25 pmGreenville

$280

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Mon 8/24

7:00 am-10:10 am

1 stop4h 10m

Lambert-St Louis

Mon 8/24

3:45 pm-9:35 pm

1 stop4h 50m

$259

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Tue 9/22

5:30 pm-10:15 pm

1 stop5h 45m

Lambert-St Louis

Sat 9/26

11:15 am-7:00 pm

1 stop6h 45m

$259

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Mon 8/17

6:34 pm-12:14 am

1 stop6h 40m

Lambert-St Louis

Mon 8/24

3:25 pm-10:50 pm

1 stop6h 25m

$259

Quickest round-trip

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Tue 9/22

1:11 pm-4:48 pm

1 stop4h 37m

Lambert-St Louis

Sat 9/26

7:27 am-12:41 pm

1 stop4h 14m

$259

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Wed 8/26

6:30 am-10:12 am

1 stop4h 42m

Lambert-St Louis

Thu 8/27

9:30 am-5:02 pm

1 stop6h 32m

$259

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Thu 9/3

10:33 am-3:38 pm

1 stop6h 05m

Lambert-St Louis

Mon 9/7

7:25 am-1:32 pm

1 stop5h 07m

$266

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Mon 8/31

1:28 pm-5:53 pm

1 stop5h 25m

Lambert-St Louis

Thu 9/3

11:00 am-4:15 pm

1 stop4h 15m

$269

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Sat 9/5

8:59 am-2:33 pm

1 stop6h 34m

Lambert-St Louis

Mon 9/7

3:39 pm-10:59 pm

1 stop6h 20m

$269

GreenvilleChicago

GSP - ORD

GSPORD

Greenville

Fri 9/11

6:03 pm-3:20 pm

2 stops22h 17m

Chicago O'Hare Intl

Mon 9/14

7:11 am-6:30 pm

1 stop10h 19m

$269

GreenvilleChicago

GSP - ORD

GSPORD

Greenville

Thu 9/17

3:52 pm-10:59 pm

1 stop8h 07m

Chicago O'Hare Intl

Mon 9/21

7:11 am-6:30 pm

1 stop10h 19m

$269

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 $282, 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 March is also cheap. Prices for this month can be found on momondo for an average of $285.

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 $382. Flights from Greenville to Illinois on a Sunday will generally be more expensive and average around $648. 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 $315. Flights at noon are often more expensive with an average ticket price of $936.

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 from Greenville 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 $308 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 $179 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	$266
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 $266. The best round-trip flight deal from Greenville to Illinois found on momondo in the last 72 hours is $349.

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 4 operators available for flights from Greenville Airport to Illinois as of July 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) (27.66% of total bookings). The next most popular plane models are Embraer 175 (26.83%), Canadair (Bombardier) Regional Jet CRJ-550 (21.65%), and Embraer 170 (14.89%).

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 $156	Free Cancellation	Rating 7.8 8,486 reviews	Search Delta flights
United Airlines	PriceFrom $202	Free Cancellation	Rating 7.4 10,052 reviews	Search United Airlines flights
American Airlines	PriceFrom $203	Free Cancellation	Rating 7.1 11,839 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.

An easier way to manage your Illinois trip

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Popular cities in Illinois

Flights to New Yorkfrom $82

Flights to Los Angelesfrom $40

Flights to Orlandofrom $50

Flights to Miamifrom $80

Flights to Chicagofrom $59

Flights to San Franciscofrom $40

Flights to Las Vegasfrom $40

Flights to Washington, D.C.from $59

Flights to Bostonfrom $54

Flights to Atlantafrom $50

Flights to Fort Lauderdalefrom $60

Flights to Dallasfrom $58

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 8/24. 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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United Airlines flights from Greenville to Illinois

Our best United Airlines deals on Greenville to Illinois flight tickets

American Airlines flights from Greenville to Illinois

Our best American 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 from Greenville 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

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

Greenville flight routes

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year

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