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$115+ Cheap flights from Greenville to San Antonio (GSP - SAT)

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — SAT
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Greenville to San Antonio are usually found in November or August, booked 45 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Greenville to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Greenville (GSP) to San Antonio (SAT). 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 September 11, 2025.

Round-trip from

$194
(Southwest)

One-way from

$115
(American Airlines)

Popular in

March

Cheapest in

November

Average price

$401
From Greenville to San Antonio
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One-way flight from Greenville to San Antonio
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Highest demand for flights based on searches. 6% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Greenville to San Antonio

Cheapest flights from Greenville to San Antonio
Explore the most affordable flight options available from Greenville to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Southwest deal was found by Cheapflights users on 9/11. 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 11/197:40 amGSP - SAT
1 stop6h 25mSouthwest
Wed 12/36:20 amSAT - GSP
1 stop7h 10mSouthwest
Deal found 9/11$194
This Southwest deal was found by Cheapflights users on 9/11. 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 11/127:40 amGSP - SAT
1 stop6h 25mSouthwest
Sat 11/156:40 amSAT - GSP
1 stop6h 45mSouthwest
Deal found 9/11$208
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/83:55 pmGSP - SAT
1 stop8h 00mUnited Airlines
Sat 10/117:00 amSAT - GSP
1 stop6h 11mUnited Airlines
Deal found 9/10$229
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/15:00 pmGSP - SAT
1 stop6h 35mUnited Airlines
Sat 10/411:45 amSAT - GSP
2 stops8h 33mUnited Airlines
Deal found 9/9$234
This Delta deal was found by Cheapflights users on 9/10. 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 10/85:30 amGSP - SAT
1 stop5h 20mDelta
Sat 10/115:15 pmSAT - GSP
1 stop5h 40mDelta
Deal found 9/10$237
This Delta deal was found by Cheapflights users on 9/11. 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 10/247:41 pmGSP - SAT
1 stop4h 26mDelta
Mon 10/275:14 amSAT - GSP
1 stop3h 55mDelta
Deal found 9/11$272
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/16:02 amGSP - SAT
1 stop5h 19mAmerican Airlines
Sun 10/59:11 amSAT - GSP
1 stop6h 45mAmerican Airlines
Deal found 9/10$273
This Delta deal was found by Cheapflights users on 9/10. 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.
Sat 10/1111:04 amGSP - SAT
1 stop7h 12mDelta
Sun 10/125:14 amSAT - GSP
1 stop3h 55mDelta
Deal found 9/10$277

Cheapflights Fare Finder

 
Customize your flight search to find flights from Greenville to San Antonio 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 September 11, 2025.
Use the filters below to find and compare flights from Greenville to San Antonio that are best for you.

Fly from

Greenville

Fly to

San Antonio

Route

Depart

Return

Price

GreenvilleSan Antonio

GSP - SAT

GSPSAT

Greenville

Wed 11/12

7:40 am-1:05 pm

1 stop6h 25m

San Antonio

Sat 11/15

6:40 am-2:25 pm

1 stop6h 45m

$208

GreenvilleSan Antonio

GSP - SAT

GSPSAT

Greenville

Wed 11/19

4:24 pm-10:15 pm

1 stop6h 51m

San Antonio

Wed 12/3

5:00 am-11:32 am

1 stop5h 32m

$229

GreenvilleSan Antonio

GSP - SAT

GSPSAT

Greenville

Wed 10/1

6:02 am-10:21 am

1 stop5h 19m

San Antonio

Sat 10/4

4:48 pm-10:58 pm

1 stop5h 10m

$229

GreenvilleSan Antonio

GSP - SAT

GSPSAT

Greenville

Sat 11/22

7:57 pm-11:50 pm

1 stop4h 53m

San Antonio

Sat 12/6

6:00 am-2:11 pm

2 stops7h 11m

$234

GreenvilleSan Antonio

GSP - SAT

GSPSAT

Greenville

Fri 10/24

7:41 pm-12:20 am

1 stop5h 39m

San Antonio

Mon 10/27

6:41 am-12:50 pm

1 stop5h 09m

$272

GreenvilleSan Antonio

GSP - SAT

GSPSAT

Greenville

Wed 11/12

6:00 am-3:18 pm

1 stop10h 18m

San Antonio

Sun 11/16

2:14 pm-9:59 pm

1 stop6h 45m

$273

GreenvilleSan Antonio

GSP - SAT

GSPSAT

Greenville

Wed 10/8

5:34 pm-10:55 pm

1 stop6h 21m

San Antonio

Sun 10/12

1:05 pm-9:18 pm

1 stop7h 13m

$273

GreenvilleSan Antonio

GSP - SAT

GSPSAT

Greenville

Wed 10/1

6:02 am-10:21 am

1 stop5h 19m

San Antonio

Sun 10/5

9:11 am-4:56 pm

1 stop6h 45m

$273

GreenvilleSan Antonio

GSP - SAT

GSPSAT

Greenville

Wed 12/3

6:00 am-11:58 am

1 stop6h 58m

$115

GreenvilleSan Antonio

GSP - SAT

GSPSAT

Greenville

Thu 10/9

3:55 pm-10:55 pm

1 stop8h 00m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 17 results
1
2

Best time to book a flight from Greenville to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio 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 San Antonio

How far ahead should I book a flight from Greenville to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Greenville to San Antonio. Price data was last updated on August 29, 2025.

The best time to book flights from Greenville to San Antonio is 44 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Greenville to San Antonio (average of $295). Flying from Greenville to San Antonio in March is currently the most expensive (average of $376). 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 SAT?

Find hourly flight availability from Greenville to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 12% on flights from Greenville to San Antonio by exploring options for tickets in the afternoon.

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. 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 San Antonio. Reviews last updated September 11, 2025.
Read through reviews of airlines operating flights from Greenville to San Antonio, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

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
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

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
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

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
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

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
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

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 San Antonio. 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 San Antonio?

    For as low as $208, Southwest can have you in San Antonio from Greenville in 6h 25m. Airlines will cover a distance of 1017 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Greenville to San Antonio round-trip?

    Delta, at $261, was found to be the cheapest airline from Greenville to San Antonio.Alternate airlines to your destination round-trip include United Airlines and American Airlines. Delta is priced at 32% lower than the current average price of a flight leaving 3 months from now.

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

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

  • How can I find direct flights from Greenville to San Antonio?

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

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

    Yes. Cheapflights offers flight deals from Greenville to San Antonio 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 San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Greenville to San Antonio (average of $295). Flying from Greenville to San Antonio in March is currently the most expensive (average of $376). 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 San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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Alternative routes for Greenville to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Greenville to San Antonio

Discover the top 4 airlines that operate flights from Greenville to San Antonio. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$261Average$353FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$284Average$442FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$286Average$389FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$347Average$432FlexibilityNo cancel feeOn-time63%

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