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$119+ Cheap flights from Greenville to St. Louis (GSP - STL)

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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — STL
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Greenville to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Greenville (GSP) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 3, 2025.

Round-trip from

$237
(Delta)

One-way from

$119
(Delta)

Popular in

September

Cheapest in

August

Average price

$341
From Greenville to Lambert-St Louis
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One-way flight from Greenville to Lambert-St Louis
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High demand for flights, 3% potential price rise
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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 July 2025
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Find flight deals from Greenville to St. Louis

Cheapest flights from Greenville to St. Louis
Explore the most affordable flight options available from Greenville to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Delta deal was found by Cheapflights users on 7/2. 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 8/1411:17 amGSP - STL
1 stop6h 18mDelta
Tue 8/1911:02 amSTL - GSP
1 stop5h 12mDelta
Deal found 7/2$237
This Southwest deal was found by Cheapflights users on 7/2. 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.
Thu 8/147:40 amGSP - STL
1 stop4h 50mSouthwest
Tue 8/196:10 amSTL - GSP
2 stops7h 30mSouthwest
Deal found 7/2$242
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Mon 9/158:23 pmGSP - STL
1 stop4h 25mAmerican Airlines
Thu 9/181:21 pmSTL - GSP
1 stop4h 53mAmerican Airlines
Deal found 7/2$272
This United Airlines deal was found by Cheapflights users on 7/2. 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 7/3012:45 pmGSP - STL
1 stop11h 00mUnited Airlines
Wed 8/65:00 amSTL - GSP
1 stop6h 04mUnited Airlines
Deal found 7/2$363
This Mytrip deal was found by Cheapflights users on 7/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/169:42 pmGSP - STL
3 stops21h 59mMultiple Airlines
Sun 7/2010:47 amSTL - GSP
3 stops27h 28mMultiple Airlines
Deal found 7/1$399

Cheapflights Fare Finder

Customize your flight search to find flights from Greenville to St. Louis 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 July 3, 2025.
Use the filters below to find and compare flights from Greenville to St. Louis that are best for you.

Fly from

Greenville

Fly to

St. Louis

Route

Depart

Return

Price

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Thu 8/14

11:17 am-4:35 pm

1 stop6h 18m

Lambert-St Louis

Tue 8/19

11:02 am-5:14 pm

1 stop5h 12m

$237

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Thu 8/14

7:40 am-11:30 am

1 stop4h 50m

Lambert-St Louis

Tue 8/19

6:10 am-2:40 pm

2 stops7h 30m

$242

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Mon 9/15

8:23 pm-11:48 pm

1 stop4h 25m

Lambert-St Louis

Thu 9/18

1:21 pm-7:14 pm

1 stop4h 53m

$272

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Wed 7/30

12:45 pm-10:45 pm

1 stop11h 00m

Lambert-St Louis

Wed 8/6

5:00 am-12:04 pm

1 stop6h 04m

$363

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Wed 7/16

9:42 pm-6:41 pm

3 stops21h 59m

Lambert-St Louis

Sun 7/20

10:47 am-3:15 pm

3 stops27h 28m

$399

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Mon 12/15

3:00 pm-6:02 pm

1 stop4h 02m

$119

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Wed 7/16

9:42 pm-4:31 pm

1 stop19h 49m

$143

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Fri 9/12

10:45 am-1:50 pm

1 stop4h 05m

$154

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Fri 8/1

9:05 am-11:58 am

1 stop3h 53m

$174

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Sun 12/14

6:00 am-3:21 pm

2 stops10h 21m

$195

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Greenville to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis 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 St. Louis

What is the cheapest month to book a flight from Greenville to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Greenville to St. Louis (average of $311). Flying from Greenville to St. Louis in March is currently the most expensive (average of $356). 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 STL?

Find hourly flight availability from Greenville to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

When flying from Greenville to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 17% versus a flight in the evening.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated July 3, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Greenville to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,270 reviews

Crew

8.6

Food

7.0

Entertainment

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,270 reviews
Southwest
8.0
Very good
4,270 reviews

Crew

8.6

Food

7.0

Entertainment

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,970 reviews
Southwest
8.0
Very good
4,270 reviews

Crew

8.6

Food

7.0

Entertainment

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,845 reviews
Southwest
8.0
Very good
4,270 reviews

Crew

8.6

Food

7.0

Entertainment

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,270 reviews

Crew

8.6

Food

7.0

Entertainment

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

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

  • What are the cheapest airlines flying from Greenville to St. Louis round-trip?

    According to our current data, Delta ($237), Southwest ($242), and American Airlines ($272) offers the cheapest pricing from Greenville to St. Louis. Delta is priced at 37% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Greenville to St. Louis one-way?

    $119 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Southwest and American Airlines, with prices starting from $154 and $174, respectively.

  • Can I find deals for flights from Greenville to St. Louis that include hotel bookings?

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

  • How can I find direct flights from Greenville to St. Louis?

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

  • Can I find deals for business class flights from Greenville to St. Louis?

    Yes. Cheapflights offers flight deals from Greenville to St. Louis 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 St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Greenville to St. Louis (average of $311). Flying from Greenville to St. Louis in March is currently the most expensive (average of $356). 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 Greenville?

Book flights to Greenville if you plan to visit one of these locations
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Festus
Chesterfield
Farmington

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Top 3 airlines flying from Greenville to St. Louis

Discover the top 3 airlines that operate flights from Greenville to St. Louis. 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$238Average$369FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$276Average$406FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$286Average$346FlexibilityNo cancel feeOn-time63%

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