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$104+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GSP
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$199
(American Airlines)

One-way from

$104
(Mytrip)

Popular in

November

Cheapest in

January

Average price

$358

Good round-trip deal

$269 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. 2% potential increase in price ($7 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This American Airlines deal was found by Cheapflights users on 2/19. 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 4/155:00 amPIA - GSP
1 stop6h 31mAmerican Airlines
Tue 4/226:20 pmGSP - PIA
1 stop6h 36mAmerican Airlines
Deal found 2/19$199
This American Airlines deal was found by Cheapflights users on 2/20. 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 4/45:10 amORD - GSP
1 stop3h 43mAmerican Airlines
Tue 4/87:43 amGSP - ORD
Nonstop2h 11mAmerican Airlines
Deal found 2/20$237
This Mytrip deal was found by Cheapflights users on 2/19. 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 4/247:49 pmORD - GSP
2 stops24h 06mMultiple Airlines
Mon 4/289:08 pmGSP - ORD
2 stops23h 51mMultiple Airlines
Deal found 2/19$244
This Delta deal was found by Cheapflights users on 2/20. 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 3/282:55 pmMDW - GSP
1 stop6h 00mDelta
Wed 4/27:30 amGSP - MDW
1 stop6h 06mDelta
Deal found 2/20$247
This Delta deal was found by Cheapflights users on 2/20. 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 5/25:05 pmORD - GSP
1 stop4h 18mDelta
Tue 5/610:52 amGSP - ORD
1 stop6h 16mDelta
Deal found 2/20$247
This Southwest deal was found by Cheapflights users on 2/20. 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.
Wed 3/510:15 amMDW - GSP
1 stop4h 20mSouthwest
Thu 3/612:00 pmGSP - MDW
1 stop3h 55mSouthwest
Deal found 2/20$251
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 2/261:20 pmORD - GSP
1 stop4h 45mUnited Airlines
Sat 3/15:15 pmGSP - ORD
Nonstop2h 25mUnited Airlines
Deal found 2/20$254
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 3/63:25 pmMLI - GSP
1 stop6h 32mAmerican Airlines
Sat 3/86:31 pmGSP - MLI
1 stop4h 33mAmerican Airlines
Deal found 2/19$259
This Southwest deal was found by Cheapflights users on 2/20. 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 3/147:00 amORD - GSP
1 stop8h 35mSouthwest
Tue 3/187:50 amGSP - ORD
1 stop6h 15mSouthwest
Deal found 2/20$264
This Delta deal was found by Cheapflights users on 2/19. 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 5/15:50 amMLI - GSP
1 stop3h 49mDelta
Tue 5/611:45 amGSP - MLI
1 stop5h 35mDelta
Deal found 2/19$283
This Delta deal was found by Cheapflights users on 2/19. 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 3/251:48 pmSTL - GSP
1 stop7h 07mDelta
Tue 4/15:47 amGSP - STL
1 stop4h 27mDelta
Deal found 2/19$287
This American Airlines deal was found by Cheapflights users on 2/19. 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 3/81:51 pmSTL - GSP
1 stop4h 17mAmerican Airlines
Sat 3/158:38 pmGSP - STL
1 stop4h 18mAmerican Airlines
Deal found 2/19$307

Find flights from Illinois to Greenville within your budget

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 February 20, 2025.

Fly from

Illinois

Fly to

Greenville

Route

Depart

Return

Price

PeoriaGreenville

PIA - GSP

PIAGSP

Greater Peoria

Tue 4/15

5:00 am-12:31 pm

1 stop6h 31m

Greenville

Tue 4/22

6:20 pm-11:56 pm

1 stop6h 36m

$199

ChicagoGreenville

ORD - GSP

ORDGSP

Chicago O'Hare Intl

Fri 4/4

5:10 am-9:53 am

1 stop3h 43m

Greenville

Tue 4/8

7:43 am-8:54 am

Nonstop2h 11m

$237

ChicagoGreenville

ORD - GSP

ORDGSP

Chicago O'Hare Intl

Thu 4/24

7:49 pm-8:55 pm

2 stops24h 06m

Greenville

Mon 4/28

9:08 pm-7:59 pm

2 stops23h 51m

$244

ChicagoGreenville

MDW - GSP

MDWGSP

Chicago Midway

Fri 3/28

2:55 pm-9:55 pm

1 stop6h 00m

Greenville

Wed 4/2

7:30 am-12:36 pm

1 stop6h 06m

$247

ChicagoGreenville

ORD - GSP

ORDGSP

Chicago O'Hare Intl

Fri 5/2

5:05 pm-10:23 pm

1 stop4h 18m

Greenville

Wed 5/7

12:55 pm-6:41 pm

1 stop6h 46m

$247

ChicagoGreenville

MDW - GSP

MDWGSP

Chicago Midway

Wed 3/5

10:15 am-3:35 pm

1 stop4h 20m

Greenville

Thu 3/6

12:00 pm-2:55 pm

1 stop3h 55m

$251

ChicagoGreenville

ORD - GSP

ORDGSP

Chicago O'Hare Intl

Wed 4/23

8:45 am-2:12 pm

1 stop4h 27m

Greenville

Mon 4/28

6:50 am-7:57 am

Nonstop2h 07m

$255

MolineGreenville

MLI - GSP

MLIGSP

Moline Quad-City

Thu 3/6

3:25 pm-10:57 pm

1 stop6h 32m

Greenville

Sat 3/8

6:31 pm-10:04 pm

1 stop4h 33m

$259

ChicagoGreenville

ORD - GSP

ORDGSP

Chicago O'Hare Intl

Fri 3/14

7:00 am-4:35 pm

1 stop8h 35m

Greenville

Tue 3/18

7:50 am-1:05 pm

1 stop6h 15m

$264

MolineGreenville

MLI - GSP

MLIGSP

Moline Quad-City

Thu 5/1

5:50 am-10:39 am

1 stop3h 49m

Greenville

Tue 5/6

11:45 am-4:20 pm

1 stop5h 35m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 28 results
1
2
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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.

Travel insights for flights from Illinois to Greenville

Get recent, data-driven insights about flights from Illinois to Greenville including ideal travel times, pricing trends, and more.

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 $396). 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 February 20, 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 February 20, 2025.

The most flights from USIL to GSP are scheduled on a Thursday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 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 February 20, 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
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 $108 on Southwest. Other airlines that offer cheap prices include American Airlines from $110 and Delta from $120 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 Moline Quad-City - 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: American Airlines (96%), Envoy Air (94%), Alaska Airlines (92%).

  • What are the cheapest flights from Illinois to Greenville?

    Looking at all options, your cheapest flight can be booked for $109. While the most popular route (Chicago O'Hare Intl - Greenville) can be booked for $195 on average our data indicates $293 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 $396). 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
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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$210Average$384FlexibilityNo cancel feeOn-time69%
DeltaCheapest$218Average$401FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$233Average$399FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$278Average$378FlexibilityNo cancel feeOn-time63%
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