San Antonio

$60+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SAT
Mar 5 — Mar 121
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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 October or August, booked 46 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap 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 February 3, 2026.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/69:18 pm
SAN
-
SAT
1 stop9h 48m
Frontier
Tue 3/106:45 am
SAT
-
SAN
1 stop19h 23m
Frontier
Deal found 2/2$125
This Frontier deal was found by Cheapflights users on 1/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/216:25 am
SAN
-
SAT
1 stop10h 36m
Frontier
Tue 2/245:36 pm
SAT
-
SAN
1 stop6h 05m
Frontier
Deal found 1/31$128
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:45 am
SAN
-
SAT
1 stop6h 30m
Frontier
Tue 3/106:45 am
SAT
-
SAN
1 stop19h 23m
Frontier
Deal found 2/2$131
This Frontier deal was found by Cheapflights users on 1/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/216:25 am
SAN
-
SAT
1 stop10h 36m
Frontier
Mon 2/239:20 am
SAT
-
SAN
1 stop8h 44m
Frontier
Deal found 1/31$138
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 3/186:25 am
SAN
-
SAT
1 stop24h 41m
Frontier
Wed 3/256:45 am
SAT
-
SAN
1 stop19h 23m
Frontier
Deal found 1/31$140
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:25 am
SAN
-
SAT
1 stop10h 36m
Frontier
Tue 3/106:45 am
SAT
-
SAN
1 stop16h 29m
Frontier
Deal found 2/2$145
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2611:59 am
SAN
-
SAT
1 stop5h 26m
Frontier
Mon 3/28:22 pm
SAT
-
SAN
1 stop5h 46m
Frontier
Deal found 2/2$148
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1911:59 am
SAN
-
SAT
1 stop5h 31m
Frontier
Tue 2/245:36 pm
SAT
-
SAN
1 stop6h 05m
Frontier
Deal found 2/2$154
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 2/216:25 am
SAN
-
SAT
1 stop10h 36m
Frontier
Sun 2/227:07 pm
SAT
-
SAN
1 stop7h 01m
Frontier
Deal found 1/31$160

Find 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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$125
(Kiwi.com)

One-way from

$60
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$393

Good round-trip deal

$440 or less

Good one-way deal

$275 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
Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in February 2026
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.

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 February 3, 2026.
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

Fri 3/20

9:58 pm-12:17 am

2 stops24h 19m

San Antonio

Tue 3/24

6:45 am-12:08 am

1 stop19h 23m

$233

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Mon 2/9

11:49 am-7:33 pm

1 stop5h 44m

San Antonio

Sun 2/15

7:07 pm-12:08 am

1 stop7h 01m

$286

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Tue 3/3

6:15 am-5:04 pm

1 stop8h 49m

San Antonio

Wed 3/4

7:35 am-12:13 pm

1 stop6h 38m

$295

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Tue 3/3

6:30 am-5:22 pm

1 stop8h 52m

San Antonio

Tue 3/10

5:10 am-12:58 pm

1 stop9h 48m

$295

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Wed 4/8

8:40 am-1:25 pm

Nonstop2h 45m

San Antonio

Sun 4/12

10:35 am-12:45 pm

1 stop4h 10m

$331

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Fri 2/20

8:35 am-7:37 pm

1 stop9h 02m

San Antonio

Mon 2/23

9:20 am-4:04 pm

1 stop8h 44m

$337

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Tue 3/3

12:30 pm-9:40 pm

2 stops7h 10m

San Antonio

Sat 3/7

7:50 pm-11:25 pm

1 stop5h 35m

$340

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Mon 3/2

11:30 am-7:37 pm

1 stop6h 07m

San Antonio

Wed 3/4

6:12 pm-11:14 am

1 stop19h 02m

$341

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Thu 4/16

5:55 pm-12:30 am

1 stop4h 35m

San Antonio

Sun 4/19

6:30 am-9:05 am

1 stop4h 35m

$362

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Wed 3/11

5:35 pm-12:55 am

1 stop5h 20m

San Antonio

Sat 3/14

6:35 am-7:45 am

Nonstop3h 10m

$371

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 22 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
Kiwi.comPrice 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 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 January 30, 2026.

To ensure you get the cheapest price possible for a flight from San Diego to San Antonio, you should look to book at least 46 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, January is the cheapest month in which you can book a flight from San Diego to San Antonio (average of $80). 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 February 3, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 44% on flights from San Diego to San Antonio by exploring options for tickets in the evening.

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 February 3, 2026.
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

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

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

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

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

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

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

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

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

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

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

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

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.
  • 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 2h 45m. Fly via Frontier, Delta, or Southwest 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 73% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $41. However, be on the lookout for offers from Frontier and United Airlines, as they are both options that can get you from San Diego to San Antonio for a low price.

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

    The cheapest flight price from San Diego to San Antonio is $233. On average you can expect to pay $430. The most popular route, (San Diego - San Antonio), can usually be booked for $222.

  • 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 Phoenix Symphony Hall more than anywhere else. Chase Field, Desert Ridge Marketplace, and Phoenix Symphony Hall are located about 4.0 mi, 16.7 mi, and 4.3 mi, respectively from Phoenix Sky Harbor Intl. Travelers in need of a car in Phoenix can rent one for about $51 per day.

  • 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, January is the cheapest month in which you can book a flight from San Diego to San Antonio (average of $80). 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$100Average$530FlexibilityNo cancel feeOn-time69%
Spirit AirlinesCheapest$116Average$179FlexibilityNo cancel feeOn-time65%
FrontierCheapest$125Average$188FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$236Average$451FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$356FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$286Average$443FlexibilityNo cancel feeOn-time63%

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