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$159+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — SAT
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Greenville to San Antonio are usually found in May or November, booked 44 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 July 3, 2025.

Round-trip from

$307
(United Airlines)

One-way from

$159
(American Airlines)

Popular in

December

Cheapest in

May

Average price

$414
From Greenville to San Antonio
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One-way flight from Greenville to San Antonio
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High demand for flights, 0% 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 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 July 3, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/314:56 pmGSP - SAT
1 stop5h 24mUnited Airlines
Sun 11/92:14 pmSAT - GSP
1 stop6h 45mUnited Airlines
Deal found 7/1$307
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/3010:06 amGSP - SAT
1 stop6h 26mDelta
Tue 8/55:25 amSAT - GSP
1 stop4h 34mDelta
Deal found 7/1$317
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 - SAT
2 stops19h 51mMultiple Airlines
Sun 7/205:38 pmSAT - GSP
3 stops20h 37mMultiple Airlines
Deal found 7/1$333
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.
Wed 10/226:05 amGSP - SAT
1 stop5h 50mSouthwest
Sun 10/265:40 amSAT - GSP
2 stops6h 30mSouthwest
Deal found 7/2$357
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.
Thu 7/245:30 amGSP - SAT
1 stop4h 31mAmerican Airlines
Thu 7/246:12 pmSAT - GSP
1 stop4h 53mAmerican Airlines
Deal found 7/2$407

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 July 3, 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

Fri 10/31

4:56 pm-9:20 pm

1 stop5h 24m

San Antonio

Sun 11/9

2:14 pm-9:59 pm

1 stop6h 45m

$307

GreenvilleSan Antonio

GSP - SAT

GSPSAT

Greenville

Wed 7/30

10:06 am-3:32 pm

1 stop6h 26m

San Antonio

Tue 8/5

5:25 am-10:59 am

1 stop4h 34m

$317

GreenvilleSan Antonio

GSP - SAT

GSPSAT

Greenville

Fri 10/10

4:46 pm-9:56 pm

1 stop6h 10m

San Antonio

Tue 10/14

11:28 am-5:05 pm

1 stop4h 37m

$332

GreenvilleSan Antonio

GSP - SAT

GSPSAT

Greenville

Wed 7/16

9:42 pm-4:33 pm

2 stops19h 51m

San Antonio

Sun 7/20

5:38 pm-3:15 pm

3 stops20h 37m

$333

GreenvilleSan Antonio

GSP - SAT

GSPSAT

Greenville

Wed 10/22

6:05 am-10:55 am

1 stop5h 50m

San Antonio

Sun 10/26

5:40 am-1:10 pm

2 stops6h 30m

$357

GreenvilleSan Antonio

GSP - SAT

GSPSAT

Greenville

Wed 8/13

7:41 am-2:11 pm

1 stop7h 30m

$159

GreenvilleSan Antonio

GSP - SAT

GSPSAT

Greenville

Wed 8/13

10:25 am-5:55 pm

2 stops8h 30m

$164

GreenvilleSan Antonio

GSP - SAT

GSPSAT

Greenville

Thu 8/14

4:33 pm-4:48 pm

2 stops25h 15m

$222

GreenvilleSan Antonio

GSP - SAT

GSPSAT

Greenville

Wed 9/10

6:08 am-10:48 pm

3 stops17h 40m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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 June 27, 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 July 3, 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 July 3, 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
4,266 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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
7,982 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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
8,861 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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
4,266 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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 San Antonio. 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 San Antonio round-trip?

    United Airlines, at $307, was found to be the cheapest airline from Greenville to San Antonio.Alternate airlines to your destination round-trip include Delta and American Airlines. United Airlines is priced at 21% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $159. Users have also found prices from $164 and $324 on Southwest and United Airlines, respectively.

  • 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 Greenville?

Book flights to Greenville if you plan to visit one of these locations
New Braunfels

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$279Average$366FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$286Average$442FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$296Average$398FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$347Average$431FlexibilityNo cancel feeOn-time63%

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