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Greenville

$115+ 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GSP
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$233
(American Airlines)

One-way from

$115
(Southwest)

Popular in

November

Cheapest in

January

Average price

$311

Good round-trip deal

$259 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 April 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 April 24, 2025.

This American Airlines deal was found by Cheapflights users on 4/23. 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 6/63:27 pmORD - GSP
Nonstop1h 44mAmerican Airlines
Tue 6/106:41 pmGSP - ORD
Nonstop2h 08mAmerican Airlines
Deal found 4/23$233
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Thu 6/268:55 amORD - GSP
Nonstop2h 09mUnited Airlines
Sun 6/296:00 amGSP - ORD
1 stop4h 43mUnited Airlines
Deal found 4/22$235
This Delta deal was found by Cheapflights users on 4/23. 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.
Wed 7/212:44 pmMDW - GSP
1 stop5h 18mDelta
Sun 7/67:00 amGSP - MDW
1 stop6h 29mDelta
Deal found 4/23$244
This Southwest deal was found by Cheapflights users on 4/23. 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.
Fri 5/301:50 pmORD - GSP
1 stop6h 10mSouthwest
Sat 5/3110:20 amGSP - ORD
1 stop7h 25mSouthwest
Deal found 4/23$244
This Delta deal was found by Cheapflights users on 4/22. 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 7/511:00 amORD - GSP
1 stop5h 49mDelta
Mon 7/75:45 amGSP - ORD
1 stop3h 47mDelta
Deal found 4/22$247
This Delta deal was found by Cheapflights users on 4/23. 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.
Thu 9/47:20 amSTL - GSP
1 stop6h 38mDelta
Sun 9/75:45 amGSP - STL
1 stop3h 21mDelta
Deal found 4/23$272
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/237:32 amSTL - GSP
1 stop8h 17mAmerican Airlines
Tue 5/2712:35 pmGSP - STL
1 stop7h 40mAmerican Airlines
Deal found 4/23$290
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 11/254:27 pmMLI - GSP
1 stop3h 54mAmerican Airlines
Wed 12/37:53 amGSP - MLI
1 stop3h 51mAmerican Airlines
Deal found 4/23$294
This Southwest deal was found by Cheapflights users on 4/23. 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.
Fri 9/265:45 amMDW - GSP
1 stop6h 30mSouthwest
Tue 9/306:45 pmGSP - MDW
1 stop5h 35mSouthwest
Deal found 4/23$296
This Mytrip deal was found by Cheapflights users on 4/23. 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 6/193:55 pmORD - GSP
1 stop23h 27mMultiple Airlines
Sun 6/222:52 pmGSP - ORD
2 stops27h 03mMultiple Airlines
Deal found 4/23$331
This American Airlines deal was found by Cheapflights users on 4/23. 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 6/215:00 amPIA - GSP
1 stop4h 30mAmerican Airlines
Sun 6/227:16 pmGSP - PIA
1 stop5h 43mAmerican Airlines
Deal found 4/23$349
This Southwest deal was found by Cheapflights users on 4/23. 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.
Fri 5/239:10 pmSTL - GSP
1 stop11h 25mSouthwest
Tue 5/278:10 amGSP - STL
2 stops9h 35mSouthwest
Deal found 4/23$368

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 April 24, 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

Fri 6/6

3:27 pm-6:11 pm

Nonstop1h 44m

Greenville

Tue 6/10

6:41 pm-7:49 pm

Nonstop2h 08m

$233

ChicagoGreenville

ORD - GSP

ORDGSP

Chicago O'Hare Intl

Thu 6/26

8:55 am-12:04 pm

Nonstop2h 09m

Greenville

Sun 6/29

6:00 am-9:43 am

1 stop4h 43m

$235

ChicagoGreenville

MDW - GSP

MDWGSP

Chicago Midway

Wed 7/2

12:44 pm-7:02 pm

1 stop5h 18m

Greenville

Sun 7/6

7:00 am-12:29 pm

1 stop6h 29m

$244

ChicagoGreenville

ORD - GSP

ORDGSP

Chicago O'Hare Intl

Fri 5/30

1:50 pm-9:00 pm

1 stop6h 10m

Greenville

Sat 5/31

10:20 am-4:45 pm

1 stop7h 25m

$244

ChicagoGreenville

ORD - GSP

ORDGSP

Chicago O'Hare Intl

Sat 7/5

11:00 am-5:49 pm

1 stop5h 49m

Greenville

Mon 7/7

5:45 am-8:32 am

1 stop3h 47m

$247

St. LouisGreenville

STL - GSP

STLGSP

Lambert-St Louis

Thu 6/5

6:00 am-10:36 am

1 stop3h 36m

Greenville

Thu 6/12

7:59 pm-11:51 pm

1 stop4h 52m

$287

St. LouisGreenville

STL - GSP

STLGSP

Lambert-St Louis

Fri 5/23

7:32 am-4:49 pm

1 stop8h 17m

Greenville

Tue 5/27

12:35 pm-7:15 pm

1 stop7h 40m

$290

ChicagoGreenville

MDW - GSP

MDWGSP

Chicago Midway

Fri 9/26

5:45 am-1:15 pm

1 stop6h 30m

Greenville

Tue 9/30

6:45 pm-11:20 pm

1 stop5h 35m

$296

ChicagoGreenville

ORD - GSP

ORDGSP

Chicago O'Hare Intl

Thu 6/19

3:55 pm-4:22 pm

1 stop23h 27m

Greenville

Sun 6/22

2:52 pm-4:55 pm

2 stops27h 03m

$331

PeoriaGreenville

PIA - GSP

PIAGSP

Greater Peoria

Sat 6/21

5:00 am-10:30 am

1 stop4h 30m

Greenville

Sun 6/22

7:16 pm-11:59 pm

1 stop5h 43m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 24 results
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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 $384). 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 April 24, 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 April 24, 2025.

The most flights from USIL to GSP are scheduled on a Monday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 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 April 24, 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
4,287 reviews

Entertainment

7.6

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.1

Overall

8.0

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
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.1

Overall

8.0

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
7,920 reviews
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.1

Overall

8.0

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
8,685 reviews
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.1

Overall

8.0

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
4,287 reviews

Entertainment

7.6

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.1

Overall

8.0

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 $115 on Southwest. Other airlines that offer cheap prices include Delta from $147 and United Airlines from $154 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 $260 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 $384). 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$210Average$358FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$210Average$381FlexibilityNo cancel feeOn-time69%
DeltaCheapest$214Average$334FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$278Average$385FlexibilityNo cancel feeOn-time63%

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