San Antonio

$56+ Cheap flights from San Diego to San Antonio (SAN - 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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SAT
Nov 15 — Nov 221
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Cheapflights Tip: The best prices from San Diego to San Antonio are usually found in August or October, booked 28 days in advance, depart on a Saturday or Monday and return on a Wednesday

Cheap flight deals from San Diego to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) 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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$127
(Mytrip)

One-way from

$56
(Kiwi.com)

Popular in

July

Cheapest in

August

Average price

$343

Good round-trip deal

$427 or less

Good one-way deal

$280 or less
Provider with most accurate pricing for San Diego-San Antonio flight deals.
Provider most trusted by Cheapflights users for San Diego-San Antonio flights.
From San Diego to San Antonio
One-way flight from San Diego to San Antonio
High demand for flights, 3% potential price rise
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from San Diego to San Antonio.
Price to beat on a one-way flight from San Diego to San Antonio.

Find flight deals from San Diego to San Antonio

Cheapest flights from San Diego to San Antonio
Explore the most affordable flight options available from San Diego to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This Mytrip deal was found by Cheapflights users on 10/13. 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.
Thu 10/306:41 amSAN - SAT
1 stop11h 07mFrontier
Mon 11/38:25 pmSAT - SAN
1 stop5h 25mFrontier
Deal found 10/13$127
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.
Wed 11/121:37 pmSAN - SAT
1 stop28h 06mFrontier
Thu 11/207:00 amSAT - SAN
1 stop7h 10mFrontier
Deal found 10/14$129
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.
Mon 11/103:59 pmSAN - SAT
2 stops29h 46mMultiple Airlines
Thu 11/207:00 amSAT - SAN
1 stop7h 10mMultiple Airlines
Deal found 10/14$135
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.
Sat 11/86:41 amSAN - SAT
1 stop5h 36mFrontier
Thu 11/207:00 amSAT - SAN
1 stop7h 10mFrontier
Deal found 10/14$142
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
Sun 11/98:38 pmSAN - SAT
1 stop10h 36mFrontier
Fri 11/148:25 pmSAT - SAN
1 stop15h 02mFrontier
Deal found 10/15$146
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 11/136:41 amSAN - SAT
1 stop11h 02mFrontier
Thu 11/207:00 amSAT - SAN
1 stop7h 10mFrontier
Deal found 10/14$147
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
Sun 11/98:38 pmSAN - SAT
1 stop10h 36mFrontier
Sun 11/1610:46 pmSAT - SAN
2 stops14h 03mFrontier
Deal found 10/15$150
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
Sat 11/86:41 amSAN - SAT
1 stop5h 36mFrontier
Mon 11/1710:04 amSAT - SAN
1 stop8h 36mFrontier
Deal found 10/15$151
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.
Sun 11/96:41 amSAN - SAT
1 stop10h 49mFrontier
Thu 11/207:00 amSAT - SAN
1 stop7h 10mFrontier
Deal found 10/14$154
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
Sat 11/88:00 amSAN - SAT
2 stops13h 45mMultiple Airlines
Mon 11/1710:04 amSAT - SAN
1 stop8h 36mMultiple Airlines
Deal found 10/15$156
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 11/76:41 amSAN - SAT
1 stop10h 49mFrontier
Mon 11/1710:04 amSAT - SAN
1 stop8h 36mFrontier
Deal found 10/15$157
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.
Mon 11/103:59 pmSAN - SAT
2 stops29h 46mMultiple Airlines
Mon 11/1710:04 amSAT - SAN
1 stop8h 36mMultiple Airlines
Deal found 10/14$160

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego 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 October 16, 2025.
Use the filters below to find and compare flights from San Diego to San Antonio that are best for you.

Fly from

San Diego

Fly to

San Antonio

Route

Depart

Return

Price

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Mon 11/10

3:59 pm-11:45 pm

2 stops29h 46m

San Antonio

Thu 11/13

10:46 pm-12:35 pm

1 stop15h 49m

$160

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Tue 12/9

6:20 am-2:30 pm

1 stop6h 10m

San Antonio

Thu 12/11

12:30 pm-5:15 pm

1 stop6h 45m

$225

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Tue 3/3

6:15 am-2:40 pm

1 stop6h 25m

San Antonio

Wed 3/4

6:05 pm-11:51 pm

1 stop7h 46m

$225

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Sun 11/9

6:15 am-5:05 pm

1 stop8h 50m

San Antonio

Wed 11/19

7:05 am-12:01 pm

1 stop6h 56m

$235

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Thu 11/13

5:15 pm-12:35 am

1 stop5h 20m

San Antonio

Wed 11/19

6:13 pm-11:40 pm

1 stop7h 27m

$235

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Mon 11/10

5:15 pm-12:35 am

1 stop5h 20m

San Antonio

Tue 11/18

6:00 am-9:15 am

1 stop5h 15m

$235

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Tue 11/11

6:24 am-3:52 pm

1 stop7h 28m

San Antonio

Tue 11/18

6:00 am-9:15 am

1 stop5h 15m

$235

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Wed 11/12

6:15 am-1:49 pm

1 stop5h 34m

San Antonio

Thu 11/20

6:00 am-9:15 am

1 stop5h 15m

$235

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Tue 11/11

9:43 am-5:05 pm

1 stop5h 22m

San Antonio

Wed 11/19

12:45 pm-6:11 pm

1 stop7h 26m

$235

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Sun 11/9

6:15 am-5:05 pm

1 stop8h 50m

San Antonio

Tue 11/18

5:06 pm-10:55 pm

1 stop7h 49m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

Showing 1-10 of 24 results
1
2
3

Compare providers for flights from San Diego to San Antonio

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 San Diego to San Antonio in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 San Diego-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-San Antonio 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 San Diego-San Antonio 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 San Diego to San Antonio

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Diego to San Antonio. Price data was last updated on October 10, 2025.

To ensure you get the cheapest price possible for a flight from San Diego to San Antonio, you should look to book at least 28 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from San Diego to San Antonio (average of $88). Flying from San Diego to San Antonio in December is currently the most expensive (average of $154). 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 SAN to SAT?

Find hourly flight availability from San Diego 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 October 16, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 30% on flights from San Diego to San Antonio by exploring options for tickets at noon.

What is the cheapest day to fly from San Diego to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from San Diego to San Antonio. Price data was last updated on October 12, 2025.

Travelers seeking maximum savings on their San Diego to San Antonio flight should consider departing on Thursday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 16, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and American Airlines from San Diego to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

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

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

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
8.0
Very good

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

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

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

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

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

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

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

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 San Diego 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 airports do I use to fly from San Diego to San Antonio?

    If you wish to fly to San Antonio from San Diego, then you need to book flights from San Diego to San Antonio. There is 1 flight from San Diego (SAN) to San Antonio (SAT) per day to choose from. Flights to San Antonio from San Diego are available from 6 different airlines, which means you should have some options if you want to compare airfare deals. 2h 35m is how long a nonstop flight from San Diego to San Antonio typically takes.

  • How popular is this San Diego to San Antonio flight route?

  • How long is the flight from San Diego to San Antonio?

    There are many flights that can get you from San Diego to San Antonio in 6h 10m. Fly via Southwest or Delta to get the fastest option. There are 1127 mi between San Diego and San Antonio. This flight may include one or multiple stops.

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

    United Airlines, at $100, was found to be the cheapest airline from San Diego to San Antonio.Alternate airlines to your destination round-trip include Frontier and Spirit Airlines. United Airlines is priced at 74% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from San Diego to San Antonio?

    The cheapest flight price from San Diego to San Antonio is $253. On average you can expect to pay $388. The most popular route, (San Diego - San Antonio), can usually be booked for $133.

  • Where are the most common layover locations when flying from San Diego to San Antonio?

  • What are some popular things to do or see while on a layover in Phoenix?

    Phoenix travelers tend to visit Chase Field, Desert Ridge Marketplace, and Musical Instrument Museum more than anywhere else. Chase Field, Desert Ridge Marketplace, and Musical Instrument Museum are located about 4.0 mi, 16.7 mi, and 16.1 mi, respectively from Phoenix Sky Harbor Intl. Travelers in need of a car in Phoenix can rent one for about $58 per day.

  • What are some popular points of interest to see during a layover in Dallas?

    American Airlines Center, Dallas World Aquarium, and Dos Equis Pavilion are currently the most popular points of interest in Dallas at the moment. American Airlines Center, Dallas World Aquarium, and Dos Equis Pavilion can be visited by traveling about 15.0 mi, 15.5 mi, and 18.3 mi respectively from Dallas/Fort Worth. Travelers can rent a car at Dallas/Fort Worth for an average daily rate of $55 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for San Diego to San Antonio flights?

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from San Diego to San Antonio (average of $88). Flying from San Diego to San Antonio in December is currently the most expensive (average of $154). 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 San Diego to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from San Diego to San Antonio

Discover the top 6 airlines that operate flights from San Diego 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$100Average$634FlexibilityNo cancel feeOn-time69%
FrontierCheapest$124Average$188FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$126Average$194FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$238Average$474FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$325FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$294Average$444FlexibilityNo cancel feeOn-time63%

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