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Greenville

$98+ Cheap flights from Illinois to Greenville (GSP)

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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GSP
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Illinois to Greenville

Keep the following information in mind while searching for Illinois to Greenville flight deals. Data was last updated May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$233
(American Airlines)

One-way from

$98
(American Airlines)

Popular in

November

Cheapest in

January

Average price

$357

Good round-trip deal

$265 or less

Good one-way deal

$168 or less
Provider with most accurate pricing for Chicago (CHI)-Greenville flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Greenville flights.
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From Illinois to Greenville
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One-way flight from Illinois to Greenville
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Highest demand for flights based on searches. 6% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Illinois to Greenville.
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Price to beat on a one-way flight from Illinois to Greenville.
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Find flight deals from Illinois to Greenville

Cheapest flights from Illinois to Greenville
Explore the most affordable flight options available from Illinois to Greenville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This American Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/178:05 amORD - GSP
Nonstop1h 51mAmerican Airlines
Sun 9/217:55 amGSP - ORD
Nonstop2h 09mAmerican Airlines
Deal found 5/1$233
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/175:27 pmMLI - GSP
1 stop5h 30mDelta
Tue 7/16:00 pmGSP - MLI
1 stop5h 47mDelta
Deal found 4/29$233
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/213:45 pmORD - GSP
1 stop4h 23mDelta
Sat 6/285:30 amGSP - ORD
1 stop5h 39mDelta
Deal found 4/30$237
This Southwest deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/56:05 amMDW - GSP
1 stop7h 35mSouthwest
Thu 8/76:45 pmGSP - MDW
1 stop6h 20mSouthwest
Deal found 5/1$249
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/94:15 pmPIA - GSP
1 stop6h 42mAmerican Airlines
Thu 8/147:16 pmGSP - PIA
1 stop5h 48mAmerican Airlines
Deal found 4/30$249
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/236:25 pmMDW - GSP
1 stop3h 41mDelta
Mon 5/265:30 amGSP - MDW
1 stop5h 10mDelta
Deal found 5/1$254
This Mytrip deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/57:48 pmORD - GSP
1 stop22h 26mMultiple Airlines
Sun 6/810:17 pmGSP - ORD
2 stops19h 08mMultiple Airlines
Deal found 4/30$256
This Southwest deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/51:50 pmORD - GSP
1 stop5h 05mSouthwest
Thu 8/77:40 amGSP - ORD
1 stop6h 05mSouthwest
Deal found 5/1$257
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/165:25 pmPIA - GSP
1 stop4h 35mUnited Airlines
Tue 5/206:45 amGSP - PIA
1 stop4h 27mUnited Airlines
Deal found 5/1$259
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/165:25 pmMLI - GSP
1 stop4h 35mUnited Airlines
Tue 5/206:45 amGSP - MLI
1 stop4h 26mUnited Airlines
Deal found 5/1$259
This American Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/163:25 pmMLI - GSP
1 stop6h 18mAmerican Airlines
Tue 5/205:26 amGSP - MLI
2 stops6h 16mAmerican Airlines
Deal found 5/1$264
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/177:35 pmORD - GSP
Nonstop2h 08mUnited Airlines
Tue 7/15:35 pmGSP - ORD
Nonstop2h 20mUnited Airlines
Deal found 4/30$265

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to Greenville 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 2,558,603 searches. Data last updated May 1, 2025.
Use the filters below to find and compare flights from Illinois to Greenville that are best for you.

Fly from

Illinois

Fly to

Greenville

Route

Depart

Return

Price

ChicagoGreenville

ORD - GSP

ORDGSP

Chicago O'Hare Intl

Wed 9/17

8:05 am-10:56 am

Nonstop1h 51m

Greenville

Sun 9/21

7:55 am-9:04 am

Nonstop2h 09m

$233

MolineGreenville

MLI - GSP

MLIGSP

Moline Quad-City

Tue 6/17

5:27 pm-11:57 pm

1 stop5h 30m

Greenville

Tue 7/1

6:00 pm-10:47 pm

1 stop5h 47m

$233

ChicagoGreenville

ORD - GSP

ORDGSP

Chicago O'Hare Intl

Sat 6/21

3:45 pm-9:08 pm

1 stop4h 23m

Greenville

Sat 6/28

5:30 am-10:09 am

1 stop5h 39m

$237

ChicagoGreenville

MDW - GSP

MDWGSP

Chicago Midway

Tue 8/5

6:05 am-2:40 pm

1 stop7h 35m

Greenville

Thu 8/7

6:45 pm-12:05 am

1 stop6h 20m

$249

PeoriaGreenville

PIA - GSP

PIAGSP

Greater Peoria

Sat 8/9

4:15 pm-11:57 pm

1 stop6h 42m

Greenville

Thu 8/14

7:16 pm-12:04 am

1 stop5h 48m

$249

ChicagoGreenville

MDW - GSP

MDWGSP

Chicago Midway

Fri 5/23

6:25 pm-11:06 pm

1 stop3h 41m

Greenville

Mon 5/26

5:30 am-9:40 am

1 stop5h 10m

$254

ChicagoGreenville

ORD - GSP

ORDGSP

Chicago O'Hare Intl

Thu 6/5

7:48 pm-7:14 pm

1 stop22h 26m

Greenville

Sun 6/8

10:17 pm-4:25 pm

2 stops19h 08m

$256

ChicagoGreenville

ORD - GSP

ORDGSP

Chicago O'Hare Intl

Tue 8/5

1:50 pm-7:55 pm

1 stop5h 05m

Greenville

Thu 8/7

7:40 am-12:45 pm

1 stop6h 05m

$257

PeoriaGreenville

PIA - GSP

PIAGSP

Greater Peoria

Fri 5/16

5:25 pm-11:00 pm

1 stop4h 35m

Greenville

Tue 5/20

6:45 am-10:12 am

1 stop4h 27m

$259

MolineGreenville

MLI - GSP

MLIGSP

Moline Quad-City

Fri 5/16

5:25 pm-11:00 pm

1 stop4h 35m

Greenville

Tue 5/20

6:45 am-10:11 am

1 stop4h 26m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 30 results
1
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Best time to book a flight from Illinois to Greenville

Have a flexible travel schedule? Discover the best time to fly to Greenville from Illinois with our price prediction graph.
Estimated round-trip 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 Illinois to Greenville

What is the cheapest month to book a flight from Illinois to Greenville?

Currently, January is the cheapest month in which you can book a flight from Illinois to Greenville (average of $329). Flying from Illinois to Greenville in March is currently the most expensive (average of $386). 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 IL to GSP?

Find hourly flight availability from Illinois to Greenville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Greenville as you normally would.

Weekly flight availability from Illinois to Greenville

Explore weekly flight availability from Illinois to Greenville. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 1, 2025.

The most flights from USIL to GSP are scheduled on a Thursday (19 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Greenville by month

Plan your trip to Greenville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Greenville ranges from 3.6 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. November is typically the driest time to visit Greenville when rainfall is around 3.6 in.

Temperature in Greenville by month

Plan your trip to Greenville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Greenville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Greenville

Get insights into the airlines that provide service to Greenville. 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 Greenville. Reviews last updated May 1, 2025.
Read reviews from past customers who have flown Southwest, Delta and United Airlines from Illinois to Greenville. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,293 reviews

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,293 reviews
Southwest
8.0
Very good
4,293 reviews

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,934 reviews
Southwest
8.0
Very good
4,293 reviews

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very good
4,293 reviews

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,293 reviews

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Illinois to Greenville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Greenville from Illinois?

    Located just 10.4 mi from the city center, Greenville (GSP) is the airport most travelers will use when flying to Greenville from Illinois.

  • What are the cheapest airlines to fly from Illinois to Greenville one-way?

    One-way options have recently been found by users for as low as $98 on American Airlines. Other airlines that offer cheap prices include Delta from $108 and Southwest from $125 one-way.

  • What are the most popular routes from Illinois to Greenville?

    The most popular route from Illinois to Greenville is Chicago O'Hare Intl - Greenville. You may also consider Chicago Midway - Greenville or Lambert-St Louis - Greenville.

  • What are the most reliable airlines from Illinois to Greenville?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Illinois to Greenville on time: SkyWest Airlines (86%), American Airlines (84%), Republic Airways (83%).

  • What are the cheapest flights from Illinois to Greenville?

    Looking at all options, your cheapest flight can be booked for $132. While the most popular route (Chicago O'Hare Intl - Greenville) can be booked for $195 on average our data indicates $257 when flying from Illinois to Greenville.

  • Can I find deals for flights from Illinois to Greenville that include hotel bookings?

    Yes. In addition to deals on Illinois to Greenville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Greenville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Greenville.

  • Can I find deals for business class flights from Illinois to Greenville?

    Yes. Cheapflights offers flight deals from Illinois to Greenville 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 Illinois to Greenville?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Greenville (average of $329). Flying from Illinois to Greenville in March is currently the most expensive (average of $386). 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

Traveling to a place near Illinois?

Book flights to Illinois if you plan to visit one of these locations
Simpsonville
Seneca
Duncan
Anderson

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Alternative routes for Illinois to Greenville

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Illinois to Greenville

Discover the top 4 airlines that operate flights from Illinois to Greenville. 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 2,558,603 searches. Data last updated May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$210Average$324FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$210Average$382FlexibilityNo cancel feeOn-time69%
DeltaCheapest$214Average$334FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$278Average$385FlexibilityNo cancel feeOn-time63%

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