San Antonio

$52+ 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 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SAT
Dec 6 — Dec 131
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Find cheap flights from San Diego to San Antonio with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from San Diego to San Antonio are usually found in August or January, booked 28 days in advance, depart on a Saturday or Thursday 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 November 6, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$161
(Kiwi.com)

One-way from

$52
(Trip.com)

Popular in

July

Cheapest in

August

Average price

$446

Good round-trip deal

$435 or less

Good one-way deal

$181 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, 4% potential price rise
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in November 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 November 6, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/106:25 amSAN - SAT
2 stops10h 34mMultiple Airlines
Thu 12/117:56 pmSAT - SAN
1 stop6h 03mMultiple Airlines
Deal found 11/6$161
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Tue 12/96:25 amSAN - SAT
2 stops10h 34mMultiple Airlines
Thu 12/111:51 pmSAT - SAN
1 stop24h 47mMultiple Airlines
Deal found 11/6$168
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 12/46:34 amSAN - SAT
1 stop5h 37mFrontier
Sun 12/77:56 pmSAT - SAN
2 stops20h 14mFrontier
Deal found 11/5$170
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 11/233:49 pmSAN - SAT
1 stop19h 16mFrontier
Wed 11/266:22 pmSAT - SAN
1 stop15h 32mFrontier
Deal found 11/5$175
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 11/248:39 amSAN - SAT
1 stop6h 48mFrontier
Mon 12/17:50 pmSAT - SAN
2 stops28h 56mFrontier
Deal found 11/6$177
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/16:52 pmSAN - SAT
1 stop16h 25mMultiple Airlines
Thu 12/43:06 pmSAT - SAN
1 stop10h 53mMultiple Airlines
Deal found 11/6$179
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Tue 11/258:56 amSAN - SAT
1 stop13h 24mFrontier
Mon 12/17:50 pmSAT - SAN
2 stops28h 56mFrontier
Deal found 11/6$184
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/123:05 pmSAN - SAT
2 stops25h 54mMultiple Airlines
Sun 12/147:56 pmSAT - SAN
1 stop6h 03mMultiple Airlines
Deal found 11/4$186
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 11/196:41 amSAN - SAT
1 stop10h 04mFrontier
Thu 11/202:08 pmSAT - SAN
2 stops19h 46mFrontier
Deal found 11/5$188
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 11/191:37 pmSAN - SAT
1 stop22h 51mFrontier
Fri 11/2112:44 pmSAT - SAN
1 stop13h 15mFrontier
Deal found 11/5$197
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 11/198:00 amSAN - SAT
2 stops27h 23mFrontier
Sun 11/239:47 amSAT - SAN
1 stop23h 57mFrontier
Deal found 11/5$201

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 November 6, 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 11/24

8:39 am-5:27 pm

1 stop6h 48m

San Antonio

Mon 12/1

7:50 pm-10:46 pm

2 stops28h 56m

$177

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Mon 12/15

6:34 am-6:58 pm

1 stop10h 24m

San Antonio

Fri 1/2

6:45 am-11:59 pm

1 stop19h 14m

$184

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Tue 1/6

6:20 am-5:00 pm

1 stop8h 40m

San Antonio

Tue 1/13

10:55 am-4:45 pm

2 stops7h 50m

$228

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Sat 12/6

7:21 am-5:08 pm

1 stop7h 47m

San Antonio

Sat 12/13

6:00 am-9:54 am

1 stop5h 54m

$259

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Fri 11/21

6:36 am-12:20 am

1 stop15h 44m

San Antonio

Mon 11/24

4:54 pm-8:01 am

2 stops17h 07m

$266

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Tue 1/6

9:45 am-5:25 pm

1 stop5h 40m

San Antonio

Wed 1/14

7:35 am-8:43 pm

2 stops15h 08m

$268

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Wed 1/7

1:29 pm-9:28 pm

1 stop5h 59m

San Antonio

Sat 1/10

7:35 am-8:43 pm

2 stops15h 08m

$268

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Tue 1/6

6:15 am-1:48 pm

1 stop5h 33m

San Antonio

Sat 1/10

7:35 am-8:43 pm

2 stops15h 08m

$268

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Mon 1/12

6:50 am-9:28 pm

2 stops12h 38m

San Antonio

Tue 1/13

6:29 pm-10:47 pm

1 stop6h 18m

$288

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Wed 1/7

1:29 pm-9:28 pm

1 stop5h 59m

San Antonio

Tue 1/13

7:00 am-4:40 pm

2 stops11h 40m

$288

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 23 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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on San Diego-San Antonio flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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 31, 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 March is currently the most expensive (average of $147). 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 November 6, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 49% on flights from San Diego to San Antonio by exploring options for tickets in the evening.

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 November 2, 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 at noon 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 November 6, 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.

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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 are 2 flights 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 48m. Fly via Frontier, Southwest, or American Airlines 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 Spirit Airlines and Frontier. 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 $157. On average you can expect to pay $338. The most popular route, (San Diego - San Antonio), can usually be booked for $170.

  • 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 Heritage Square more than anywhere else. Chase Field, Desert Ridge Marketplace, and Heritage Square are located about 4.0 mi, 16.7 mi, and 4.0 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 $57 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 March is currently the most expensive (average of $147). 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$100Average$678FlexibilityNo cancel feeOn-time69%
Spirit AirlinesCheapest$119Average$191FlexibilityNo cancel feeOn-time65%
FrontierCheapest$143Average$188FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$238Average$471FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$336FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$297Average$444FlexibilityNo cancel feeOn-time63%

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