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$149+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — STL
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap 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 February 3, 2026.

This Southwest deal was found by Cheapflights users on 2/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:20 am
GSP
-
STL
1 stop7h 55m
Southwest
Thu 4/165:00 am
STL
-
GSP
1 stop7h 15m
Southwest
Deal found 2/1$314
This Delta deal was found by Cheapflights users on 2/3. 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 2/275:40 am
GSP
-
STL
1 stop4h 26m
Delta
Sun 3/16:56 pm
STL
-
GSP
1 stop3h 47m
Delta
Deal found 2/3$359
This Southwest deal was found by Cheapflights users on 2/2. 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.
Tue 2/178:20 am
GSP
-
STL
2 stops8h 00m
Southwest
Sat 2/2112:30 pm
STL
-
GSP
1 stop7h 20m
Southwest
Deal found 2/2$364
This Southwest deal was found by Cheapflights users on 2/2. 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.
Fri 3/276:25 pm
GSP
-
STL
1 stop6h 40m
Southwest
Mon 3/304:55 pm
STL
-
GSP
1 stop4h 50m
Southwest
Deal found 2/2$367

Find 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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$314
(Southwest)

One-way from

$149
(Delta)

Popular in

December

Cheapest in

October

Average price

$369
Provider with most accurate pricing for Greenville-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greenville-Lambert-St Louis flights.
Search Deals
From Greenville to Lambert-St Louis
Search Deals
One-way flight from Greenville to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($107 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 3, 2026.
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

Wed 4/15

8:20 am-3:15 pm

1 stop7h 55m

Lambert-St Louis

Thu 4/16

5:00 am-1:15 pm

1 stop7h 15m

$314

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Fri 2/27

5:40 am-9:06 am

1 stop4h 26m

Lambert-St Louis

Sun 3/1

6:00 am-11:13 am

1 stop4h 13m

$359

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Tue 2/17

5:40 am-9:06 am

1 stop4h 26m

Lambert-St Louis

Sat 2/21

5:01 pm-11:44 pm

1 stop5h 43m

$359

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Tue 2/17

8:20 am-3:20 pm

2 stops8h 00m

Lambert-St Louis

Sat 2/21

12:30 pm-8:50 pm

1 stop7h 20m

$364

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Fri 3/27

6:25 am-1:35 pm

2 stops8h 10m

Lambert-St Louis

Mon 3/30

1:40 pm-9:50 pm

1 stop7h 10m

$372

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Tue 2/24

5:40 am-11:02 am

1 stop6h 22m

$149

GreenvilleSt. Louis

GSP - STL

GSPSTL

Greenville

Tue 2/24

2:51 pm-11:59 pm

2 stops10h 08m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Compare providers for flights from Greenville to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Greenville to St. Louis in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Greenville-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Greenville-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Greenville-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Greenville-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Greenville-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, June is the cheapest month in which you can book a flight from Greenville to St. Louis (average of $108). Flying from Greenville to St. Louis in September is currently the most expensive (average of $224). 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.

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 February 3, 2026.
Read reviews from past customers who have flown Southwest, Delta, and American 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
4,272 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,272 reviews
Southwest
8.0
Very good
4,272 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,138 reviews
Southwest
8.0
Very good
4,272 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,216 reviews
Southwest
8.0
Very good
4,272 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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.

  • How long is the flight from Greenville to St. Louis?

    There are many flights that can get you from Greenville to St. Louis in 7h 55m. Fly via Southwest to get the fastest option. Airlines will cover a distance of 523 mi.

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

    According to our current data, Delta ($158), American Airlines ($276), and Southwest ($288) offers the cheapest pricing from Greenville to St. Louis. Delta is priced at 61% lower than the current average price of a flight leaving 3 months from now.

  • 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, June is the cheapest month in which you can book a flight from Greenville to St. Louis (average of $108). Flying from Greenville to St. Louis in September is currently the most expensive (average of $224). 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 St. Louis?

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

Browse thousands of different options on Cheapflights for your next trip

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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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$384FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$276Average$416FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$288Average$426FlexibilityNo cancel feeOn-time63%

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