HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

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

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — ORD
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Greenville to Illinois with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Greenville to Illinois

Cheapest flights from Greenville to Illinois
Explore the most affordable flight options available from Greenville to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2025.

This American Airlines deal was found by Cheapflights users on 10/14. 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 12/56:00 amGSP - ORD
Nonstop2h 13mAmerican Airlines
Mon 12/84:48 pmORD - GSP
Nonstop1h 56mAmerican Airlines
Deal found 10/14$202
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/1310:00 amGSP - ORD
1 stop4h 55mUnited Airlines
Sat 11/157:10 amORD - GSP
Nonstop1h 56mUnited Airlines
Deal found 10/14$205
This Delta deal was found by Cheapflights users on 10/14. 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 12/1711:42 amGSP - ORD
1 stop5h 40mDelta
Wed 1/72:45 pmORD - GSP
1 stop4h 32mDelta
Deal found 10/14$206
This Delta deal was found by Cheapflights users on 10/14. 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 12/176:45 amGSP - MDW
1 stop4h 09mDelta
Wed 1/71:00 pmMDW - GSP
1 stop3h 43mDelta
Deal found 10/14$206
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:03 pmGSP - ORD
1 stop20h 05mMultiple Airlines
Mon 11/35:15 amORD - GSP
1 stop13h 08mMultiple Airlines
Deal found 10/14$208
This American Airlines deal was found by Cheapflights users on 10/14. 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 12/58:14 pmGSP - ORD
Nonstop2h 16mAmerican Airlines
Sun 12/76:53 pmORD - GSP
Nonstop2h 08mAmerican Airlines
Deal found 10/14$209
This American Airlines deal was found by Cheapflights users on 10/14. 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 11/15:30 pmGSP - ORD
Nonstop2h 15mAmerican Airlines
Tue 11/48:15 amORD - GSP
Nonstop1h 57mAmerican Airlines
Deal found 10/14$212
This Delta deal was found by Cheapflights users on 10/14. 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 12/1711:42 amGSP - ORD
1 stop5h 40mDelta
Sun 1/115:50 amORD - GSP
1 stop4h 10mDelta
Deal found 10/14$213
This Delta deal was found by Cheapflights users on 10/14. 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 12/175:35 amGSP - MDW
1 stop5h 19mDelta
Fri 1/91:00 pmMDW - GSP
1 stop3h 43mDelta
Deal found 10/14$213
This Delta deal was found by Cheapflights users on 10/14. 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 12/187:25 amGSP - ORD
1 stop7h 25mDelta
Sat 1/108:00 amORD - GSP
1 stop4h 54mDelta
Deal found 10/14$215
This Delta deal was found by Cheapflights users on 10/14. 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 12/187:25 amGSP - MDW
1 stop6h 09mDelta
Tue 1/1310:35 amMDW - GSP
1 stop4h 36mDelta
Deal found 10/14$215
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:03 pmGSP - ORD
1 stop13h 13mMultiple Airlines
Sun 11/27:05 amORD - GSP
1 stop12h 39mMultiple Airlines
Deal found 10/14$218

Cheap flight deals from Greenville to Illinois

Keep the following information in mind while searching for Greenville to Illinois flight deals. Data was last updated October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$202
(American Airlines)

One-way from

$98
(American Airlines)

Popular in

March

Cheapest in

April

Average price

$299

Good round-trip deal

$317 or less

Good one-way deal

$225 or less
Provider with most accurate pricing for Greenville-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greenville-Chicago (CHI) flights.
Search Deals
From Greenville to Illinois
Search Deals
One-way flight from Greenville to Illinois
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($0 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Greenville to Illinois.
Search Deals
Price to beat on a one-way flight from Greenville to Illinois.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Greenville to Illinois 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 October 14, 2025.
Use the filters below to find and compare flights from Greenville to Illinois that are best for you.

Fly from

Greenville

Fly to

Illinois

Route

Depart

Return

Price

GreenvilleChicago

GSP - MDW

GSPMDW

Greenville

Wed 12/17

6:45 am-9:54 am

1 stop4h 09m

Chicago Midway

Thu 1/8

1:00 pm-5:43 pm

1 stop3h 43m

$206

GreenvilleChicago

GSP - MDW

GSPMDW

Greenville

Wed 12/17

6:45 am-9:54 am

1 stop4h 09m

Chicago Midway

Wed 1/7

1:00 pm-5:43 pm

1 stop3h 43m

$206

GreenvilleChicago

GSP - MDW

GSPMDW

Greenville

Mon 12/8

3:05 pm-10:10 pm

1 stop8h 05m

Chicago Midway

Thu 12/11

8:50 am-4:05 pm

1 stop6h 15m

$215

GreenvilleChicago

GSP - MDW

GSPMDW

Greenville

Sat 12/13

1:55 pm-8:35 pm

1 stop7h 40m

Chicago Midway

Tue 12/16

12:55 pm-7:40 pm

1 stop5h 45m

$215

GreenvilleChicago

GSP - ORD

GSPORD

Greenville

Thu 2/5

6:00 am-1:21 pm

1 stop8h 21m

Chicago O'Hare Intl

Mon 2/9

9:35 am-5:12 pm

1 stop6h 37m

$215

GreenvilleChicago

GSP - ORD

GSPORD

Greenville

Sat 12/13

5:35 am-8:34 am

1 stop3h 59m

Chicago O'Hare Intl

Tue 12/16

2:30 pm-9:42 pm

1 stop6h 12m

$215

GreenvilleChicago

GSP - ORD

GSPORD

Greenville

Tue 11/4

5:30 am-8:32 am

1 stop4h 02m

Chicago O'Hare Intl

Wed 11/19

2:35 pm-9:45 pm

1 stop6h 10m

$215

GreenvilleChicago

GSP - ORD

GSPORD

Greenville

Sat 12/13

5:35 am-10:22 am

1 stop5h 47m

Chicago O'Hare Intl

Tue 1/6

2:30 pm-10:18 pm

1 stop6h 48m

$215

GreenvilleChicago

GSP - MDW

GSPMDW

Greenville

Sat 12/13

5:35 am-9:54 am

1 stop5h 19m

Chicago Midway

Tue 1/6

6:00 am-1:54 pm

1 stop6h 54m

$215

GreenvilleChicago

GSP - MDW

GSPMDW

Greenville

Thu 11/13

5:35 am-9:52 am

1 stop5h 17m

Chicago Midway

Sat 11/15

4:28 pm-9:17 pm

1 stop3h 49m

$215

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

Showing 1-10 of 55 results
1
2
3
...
6

Best time to book a flight from Greenville to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Greenville 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 Greenville to Illinois

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

Currently, February is the cheapest month in which you can book a flight from Greenville to Illinois (average of $57). Flying from Greenville to Illinois in June is currently the most expensive (average of $161). 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 GSP to IL?

Find hourly flight availability from Greenville to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 14, 2025.

One of the essential ways to save on airfare from Greenville to Illinois is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 20% on airfare.

Weekly flight availability from Greenville to Illinois

Explore weekly flight availability from Greenville to Illinois. 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 October 14, 2025.

The most flights from GSP to USIL are scheduled on a Monday (25 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (24 on average).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated October 14, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Greenville to Illinois to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,975 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,976 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,042 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Greenville to Illinois. 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 from for flights from Greenville to Illinois?

    If you book a flight to Illinois from Greenville, you will be flying from Greenville, which is the city’s only airport. Greenville (GSP) is located 10.4 mi from the center of Greenville.

  • How long is the flight from Greenville to Illinois?

    For as low as $249, Delta can have you in Illinois from Greenville in 4h 08m. There are 637 mi between Greenville and Illinois. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from Greenville to Illinois are Delta ($108), United Airlines ($108), and Southwest ($108).

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

    While some choose either Greenville - Chicago Midway or Greenville - Lambert-St Louis, Greenville - Chicago O'Hare Intl is the most popular route from Greenville to Illinois.

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

    Consider Emirates (100%), GoJet (97%) or Avianca (97%) when booking your flight. These represent the most reliable airlines when flying from Greenville to Illinois.

  • What are the cheapest flights from Greenville to Illinois?

    On average you can expect to pay $1,013 for a flight from Greenville to Illinois. The cheapest flight overall is $125 while the most popular route, (Greenville - Chicago O'Hare Intl) is currently priced at $195.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Greenville to Illinois (average of $57). Flying from Greenville to Illinois in June is currently the most expensive (average of $161). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Greenville to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Charlotte to John F Kennedy Intl flights
Charlotte to LaGuardia flights
Charlotte to Newark flights
Charlotte to Dallas/Fort Worth flights
Charlotte to Las Vegas flights
Charlotte to Hobby flights
Charlotte to Fort Lauderdale flights
Charlotte to Orlando flights
Charlotte to George Bush Intcntl flights
Charlotte to Boston flights
Charlotte to Denver flights
Charlotte to Miami flights
Charlotte to O'Hare Intl flights
Charleston to Newark flights
Charlotte to Sky Harbor Intl flights
Charleston to John F Kennedy Intl flights
Charlotte to Los Angeles flights
Charlotte to Love Field flights
Greenville to Newark flights
Charlotte to Philadelphia flights
Savannah to John F Kennedy Intl flights
Charlotte to Dulles Intl flights
Greenville to John F Kennedy Intl flights
Charlotte to Detroit flights
Savannah to Newark flights
Greenville to LaGuardia flights
Charlotte to Baltimore flights
Charlotte to Minneapolis flights
Charlotte to Salt Lake City flights
Charleston to O'Hare Intl flights
Charlotte to Nashville flights
Charlotte to Reagan-National flights
Charlotte to San Francisco flights
Savannah to LaGuardia flights
Charleston to LaGuardia flights
Charleston to Denver flights
Charlotte to Seattle flights
Charleston to Dallas/Fort Worth flights
Charlotte to Honolulu flights
Charleston to Baltimore flights
Charleston to Hobby flights
Charlotte to New Orleans flights
Charlotte to Atlanta flights
Columbia to LaGuardia flights
Charleston to Fort Lauderdale flights
Charleston to Las Vegas flights
Charlotte to Austin flights
Charlotte to San Diego flights
Charleston to Miami flights
Charlotte to Ontario flights

Top 4 airlines flying from Greenville to Illinois

Discover the top 4 airlines that operate flights from Greenville to Illinois. 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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$180Average$271FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$202Average$361FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$209Average$347FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$232Average$430FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.