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$54+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SAT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to San Antonio are usually found in August or September, booked 66 days in advance, depart on a Tuesday or Saturday 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 June 12, 2025.

Round-trip from

$133
(Expedia)

One-way from

$54
(FlightHub)

Popular in

December

Cheapest in

August

Average price

$377

Good round-trip deal

$333 or less

Good one-way deal

$180 or less
From San Diego to San Antonio
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One-way flight from San Diego to San Antonio
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Highest demand for flights based on searches. 7% potential increase in price ($31 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 June 2025
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Price to beat on a round-trip flight from San Diego to San Antonio.
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Price to beat on a one-way flight from San Diego to San Antonio.
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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 June 12, 2025.

This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/307:31 pmSAN - SAT
1 stop7h 29mSpirit Airlines
Thu 7/107:52 pmSAT - SAN
1 stop5h 14mSpirit Airlines
Deal found 6/10$133
This Frontier deal was found by Cheapflights users on 6/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/612:32 pmSAN - SAT
1 stop6h 11mFrontier
Sun 11/95:51 pmSAT - SAN
1 stop7h 04mFrontier
Deal found 6/10$245
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:00 pmSAN - SAT
Nonstop2h 50mSouthwest
Mon 8/257:25 amSAT - SAN
Nonstop2h 55mSouthwest
Deal found 6/10$257
This CheapOair deal was found by Cheapflights users on 6/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/47:16 pmSAN - SAT
1 stop17h 05mMultiple Airlines
Sun 7/610:57 pmSAT - SAN
1 stop10h 16mMultiple Airlines
Deal found 6/11$283
This Delta deal was found by Cheapflights users on 6/10. 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 8/96:20 amSAN - SAT
1 stop6h 10mDelta
Sun 8/176:07 pmSAT - SAN
1 stop7h 35mDelta
Deal found 6/10$330
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/199:50 amSAN - SAT
1 stop5h 10mAmerican Airlines
Mon 7/216:12 pmSAT - SAN
1 stop5h 33mAmerican Airlines
Deal found 6/11$343

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 June 12, 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 6/30

7:31 pm-5:00 am

1 stop7h 29m

San Antonio

Thu 7/10

7:52 pm-11:06 pm

1 stop5h 14m

$133

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Thu 8/28

11:25 am-1:11 pm

1 stop23h 46m

San Antonio

Sun 8/31

1:56 pm-11:03 pm

1 stop11h 07m

$255

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Mon 8/18

7:00 pm-11:50 pm

Nonstop2h 50m

San Antonio

Mon 8/25

7:25 am-8:20 am

Nonstop2h 55m

$257

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Fri 7/4

7:16 pm-2:21 pm

1 stop17h 05m

San Antonio

Sun 7/6

10:57 pm-7:13 am

1 stop10h 16m

$283

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Sat 8/9

5:05 pm-11:50 pm

1 stop4h 45m

San Antonio

Fri 8/15

12:05 pm-5:53 pm

1 stop7h 48m

$330

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Sat 7/19

9:50 am-5:00 pm

1 stop5h 10m

San Antonio

Mon 7/21

6:12 pm-9:45 pm

1 stop5h 33m

$343

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Tue 7/15

6:15 am-6:36 pm

1 stop10h 21m

$54

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Wed 9/10

10:00 am-3:00 pm

Nonstop3h 00m

$129

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Sat 8/9

2:48 pm-10:59 pm

1 stop6h 11m

$151

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

Sat 8/16

8:45 am-7:12 pm

2 stops8h 27m

$156

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 15 results
1
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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 June 9, 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 66 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, August is the cheapest month in which you can book a flight from San Diego to San Antonio (average of $295). Flying from San Diego 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 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 June 12, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 17% 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 June 8, 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. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from San Diego to San Antonio to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 7 different airlines, which means you should have some options if you want to compare airfare deals. 2h 40m 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?

    Flights from San Diego to San Antonio have been viewed 5 times in the past calendar month.

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

    Spirit Airlines, at $133, was found to be the cheapest airline from San Diego to San Antonio.Alternate airlines to your destination round-trip include Frontier and Southwest. Spirit Airlines is priced at 64% 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 $54. However, be on the lookout for offers from Southwest and American 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 $149. On average you can expect to pay $310. The most popular route, (San Diego - San Antonio), can usually be booked for $147.

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

    The most popular layover on flights from San Diego to San Antonio is Phoenix. San Diego to San Antonio flights stop in Dallas the next most.

  • 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 $50 per day.

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

    American Airlines Center, Dallas World Aquarium, and Reunion Tower are currently the most popular points of interest in Dallas at the moment. American Airlines Center, Dallas World Aquarium, and Reunion Tower can be visited by traveling about 15.0 mi, 15.5 mi, and 15.6 mi respectively from Dallas/Fort Worth. Travelers can rent a car at Dallas/Fort Worth for an average daily rate of $61 to make sightseeing during their layover a little easier.

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

    San Diego to San Antonio flights that have layovers will least frequently stop in Las Vegas.

  • 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, August is the cheapest month in which you can book a flight from San Diego to San Antonio (average of $295). Flying from San Diego 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

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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.
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Top 7 airlines flying from San Diego to San Antonio

Discover the top 7 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$106Average$191FlexibilityNo cancel feeOn-time65%
FrontierCheapest$118Average$196FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$218Average$392FlexibilityNo cancel feeOn-time71%
DeltaCheapest$248Average$336FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$314Average$487FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$328Average$441FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$346Average$418FlexibilityNo cancel feeOn-time75%

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