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$108+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GSP
abr 5 — abr 121
sáb 4/5
sáb 4/12
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 março 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$235
(Delta)

One-way from

$108
(Southwest)

Popular in

November

Cheapest in

January

Average price

$333

Good round-trip deal

$253 or less

Good one-way deal

$135 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. 4% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in March 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 março 31, 2025.

This Delta deal was found by Cheapflights users on 3/31. 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.
sáb 10/47:10 amORD - GSP
1 stop6h 39mDelta
qua 10/86:05 pmGSP - ORD
1 stop5h 32mDelta
Deal found 3/31$235
This American Airlines deal was found by Cheapflights users on 3/30. 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.
sáb 4/196:55 pmORD - GSP
Nonstop1h 59mAmerican Airlines
qua 4/237:43 amGSP - ORD
Nonstop2h 11mAmerican Airlines
Deal found 3/30$236
This Delta deal was found by Cheapflights users on 3/29. 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.
sex 4/183:02 pmMDW - GSP
1 stop6h 21mDelta
dom 4/205:46 amGSP - MDW
1 stop4h 21mDelta
Deal found 3/29$239
This Mytrip deal was found by Cheapflights users on 3/30. 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.
qui 4/248:17 pmPIA - GSP
1 stop23h 38mAllegiant Air
seg 4/289:45 pmGSP - PIA
1 stop10h 46mAllegiant Air
Deal found 3/30$244
This Mytrip deal was found by Cheapflights users on 3/30. 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.
sex 5/96:30 amORD - GSP
1 stop13h 25mMultiple Airlines
seg 5/123:55 pmGSP - ORD
1 stop17h 55mMultiple Airlines
Deal found 3/30$252
This United Airlines deal was found by Cheapflights users on 3/30. 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.
ter 7/18:55 amORD - GSP
Nonstop2h 09mUnited Airlines
sáb 7/57:45 pmGSP - ORD
1 stop4h 45mUnited Airlines
Deal found 3/30$275
This Delta deal was found by Cheapflights users on 3/30. 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.
sáb 5/310:30 amSTL - GSP
1 stop5h 57mDelta
seg 5/57:20 amGSP - STL
1 stop6h 41mDelta
Deal found 3/30$287
This Southwest deal was found by Cheapflights users on 3/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 9/45:45 amMDW - GSP
1 stop6h 30mSouthwest
ter 9/96:45 pmGSP - MDW
1 stop5h 35mSouthwest
Deal found 3/30$288
This American Airlines deal was found by Cheapflights users on 3/30. 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.
qui 5/14:26 pmMLI - GSP
1 stop6h 12mAmerican Airlines
ter 5/66:36 pmGSP - MLI
1 stop4h 38mAmerican Airlines
Deal found 3/30$289
This United Airlines deal was found by Cheapflights users on 3/30. 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.
sex 4/185:25 pmMLI - GSP
1 stop4h 12mUnited Airlines
dom 4/206:50 amGSP - MLI
1 stop4h 22mUnited Airlines
Deal found 3/30$299
This Southwest deal was found by Cheapflights users on 3/31. 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.
sáb 10/47:30 amORD - GSP
2 stops9h 50mSouthwest
qua 10/86:05 amGSP - ORD
1 stop6h 45mSouthwest
Deal found 3/31$302
This American Airlines deal was found by Cheapflights users on 3/30. 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.
qui 5/155:12 amSTL - GSP
1 stop6h 17mAmerican Airlines
ter 5/208:00 amGSP - STL
1 stop6h 07mAmerican Airlines
Deal found 3/30$302

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 março 31, 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

qua 6/18

7:05 am-1:11 pm

1 stop5h 06m

Greenville

ter 6/24

5:30 am-8:40 am

1 stop4h 10m

$235

ChicagoGreenville

ORD - GSP

ORDGSP

Chicago O'Hare Intl

sáb 4/19

6:55 pm-9:54 pm

Nonstop1h 59m

Greenville

qua 4/23

7:43 am-8:54 am

Nonstop2h 11m

$236

ChicagoGreenville

MDW - GSP

MDWGSP

Chicago Midway

sex 4/18

3:02 pm-10:23 pm

1 stop6h 21m

Greenville

dom 4/20

5:46 am-9:07 am

1 stop4h 21m

$239

PeoriaGreenville

PIA - GSP

PIAGSP

Greater Peoria

qui 4/24

8:17 pm-8:55 pm

1 stop23h 38m

Greenville

seg 4/28

9:45 pm-7:31 am

1 stop10h 46m

$244

ChicagoGreenville

ORD - GSP

ORDGSP

Chicago O'Hare Intl

sex 5/9

6:30 am-8:55 pm

1 stop13h 25m

Greenville

seg 5/12

3:55 pm-8:50 am

1 stop17h 55m

$252

ChicagoGreenville

ORD - GSP

ORDGSP

Chicago O'Hare Intl

ter 7/1

8:55 am-12:04 pm

Nonstop2h 09m

Greenville

sáb 7/5

7:45 pm-11:30 pm

1 stop4h 45m

$275

St. LouisGreenville

STL - GSP

STLGSP

Lambert-St Louis

sáb 5/3

10:30 am-5:27 pm

1 stop5h 57m

Greenville

seg 5/5

7:20 am-1:01 pm

1 stop6h 41m

$287

ChicagoGreenville

MDW - GSP

MDWGSP

Chicago Midway

qui 9/4

5:45 am-1:15 pm

1 stop6h 30m

Greenville

ter 9/9

6:45 pm-11:20 pm

1 stop5h 35m

$288

MolineGreenville

MLI - GSP

MLIGSP

Moline Quad-City

qui 5/1

4:26 pm-11:38 pm

1 stop6h 12m

Greenville

ter 5/6

6:36 pm-10:14 pm

1 stop4h 38m

$289

MolineGreenville

MLI - GSP

MLIGSP

Moline Quad-City

sex 4/18

5:25 pm-10:37 pm

1 stop4h 12m

Greenville

dom 4/20

6:50 am-10:12 am

1 stop4h 22m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 29 results
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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.

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 março 31, 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 março 31, 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 (4 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 março 31, 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
4,275 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.0

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,275 reviews
Southwest
8.0
Very good
4,275 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.0

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,899 reviews
Southwest
8.0
Very good
4,275 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.0

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,614 reviews
Southwest
8.0
Very good
4,275 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.0

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Allegiant Air
7.3
Good
731 reviews
Southwest
8.0
Very good
4,275 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.0

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,275 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.0

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 Delta from $144 and United Airlines from $169 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: American Airlines (90%), Envoy Air (90%), Alaska Airlines (90%).

  • 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 $273 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 março 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$214Average$342FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$215Average$385FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$225Average$361FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$278Average$385FlexibilityNo cancel feeOn-time63%
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