San Diego

$40+ Cheap flights from San Antonio to San Diego (SAT - SAN)

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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SAN
Apr 20 — Apr 271
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Find cheap flights from San Antonio to San Diego with Cheapflights

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Cheapflights Tip: The best prices from San Antonio to San Diego are usually found in August or September, booked 77 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from San Antonio to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to San Diego (SAN). 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 April 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$158
(Cheapflightsfares)

One-way from

$40
(eDestinos)

Popular in

March

Cheapest in

August

Average price

$360

Good round-trip deal

$397 or less

Good one-way deal

$198 or less
Provider with most accurate pricing for San Antonio-San Diego flight deals.
Provider most trusted by Cheapflights users for San Antonio-San Diego flights.
From San Antonio to San Diego
One-way flight from San Antonio to San Diego
Highest demand for flights based on searches. 7% potential increase in price ($29 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from San Antonio to San Diego.
Price to beat on a one-way flight from San Antonio to San Diego.

Find flight deals from San Antonio to San Diego

Cheapest flights from San Antonio to San Diego
Explore the most affordable flight options available from San Antonio to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/132:37 pmSAT - SAN
1 stop11h 19mSpirit Airlines
Fri 5/168:48 pmSAN - SAT
1 stop6h 16mSpirit Airlines
Deal found 4/15$158
This CheapOair deal was found by Cheapflights users on 4/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/225:42 pmSAT - SAN
1 stop8h 32mMultiple Airlines
Wed 4/309:08 pmSAN - SAT
1 stop5h 26mMultiple Airlines
Deal found 4/13$175
This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/163:22 pmSAT - SAN
1 stop6h 32mFrontier
Mon 5/196:25 amSAN - SAT
1 stop5h 52mFrontier
Deal found 4/14$196
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/196:00 amSAT - SAN
1 stop5h 19mDelta
Sun 6/226:15 amSAN - SAT
1 stop6h 08mDelta
Deal found 4/14$299
This United Airlines deal was found by Cheapflights users on 4/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/105:15 amSAT - SAN
1 stop5h 54mUnited Airlines
Mon 7/1410:54 amSAN - SAT
2 stops8h 33mUnited Airlines
Deal found 4/14$304
This Southwest deal was found by Cheapflights users on 4/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/75:00 pmSAT - SAN
Nonstop3h 00mSouthwest
Sun 5/118:05 amSAN - SAT
Nonstop2h 40mSouthwest
Deal found 4/14$307
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:35 amSAT - SAN
1 stop16h 09mAlaska Airlines
Sat 5/108:55 amSAN - SAT
2 stops13h 04mAlaska Airlines
Deal found 4/14$379

Cheapflights Fare Finder

Customize your flight search to find flights from San Antonio to San Diego 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 April 15, 2025.
Use the filters below to find and compare flights from San Antonio to San Diego that are best for you.

Fly from

San Antonio

Fly to

San Diego

Route

Depart

Return

Price

San AntonioSan Diego

SAT - SAN

SATSAN

San Antonio

Sun 5/18

11:42 am-7:53 pm

1 stop10h 11m

San Diego

Tue 5/20

8:48 pm-5:04 am

1 stop6h 16m

$159

San AntonioSan Diego

SAT - SAN

SATSAN

San Antonio

Tue 4/22

5:42 pm-12:14 am

1 stop8h 32m

San Diego

Wed 4/30

9:08 pm-4:34 am

1 stop5h 26m

$175

San AntonioSan Diego

SAT - SAN

SATSAN

San Antonio

Fri 5/16

3:22 pm-7:54 pm

1 stop6h 32m

San Diego

Mon 5/19

6:25 am-2:17 pm

1 stop5h 52m

$196

San AntonioSan Diego

SAT - SAN

SATSAN

San Antonio

Thu 6/19

6:00 am-9:19 am

1 stop5h 19m

San Diego

Thu 7/3

6:15 am-2:23 pm

1 stop6h 08m

$299

San AntonioSan Diego

SAT - SAN

SATSAN

San Antonio

Thu 7/10

5:15 am-9:09 am

1 stop5h 54m

San Diego

Mon 7/14

10:54 am-9:27 pm

2 stops8h 33m

$304

San AntonioSan Diego

SAT - SAN

SATSAN

San Antonio

Wed 5/28

5:00 pm-6:00 pm

Nonstop3h 00m

San Diego

Wed 6/11

7:05 pm-11:50 pm

Nonstop2h 45m

$307

San AntonioSan Diego

SAT - SAN

SATSAN

San Antonio

Tue 5/6

6:35 am-8:44 pm

1 stop16h 09m

San Diego

Sat 5/10

8:55 am-11:59 pm

2 stops13h 04m

$379

San AntonioSan Diego

SAT - SAN

SATSAN

San Antonio

Mon 4/28

6:31 pm-12:42 am

1 stop8h 11m

$40

San AntonioSan Diego

SAT - SAN

SATSAN

San Antonio

Thu 5/15

1:43 pm-11:58 pm

1 stop12h 15m

$90

San AntonioSan Diego

SAT - SAN

SATSAN

San Antonio

Wed 6/25

6:03 pm-11:44 pm

1 stop7h 41m

$150

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 13 results
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Compare providers for flights from San Antonio to San Diego

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 Antonio to San Diego in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
FlightnetworkPrice Accuracy-Trust Score*3 stars
FareScanPrice Accuracy-Trust 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 Antonio-San Diego flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on San Antonio-San Diego flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from San Antonio-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-San Diego flights, Cheapflights users trust Mytrip the most. Mytrip 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 Antonio-San Diego 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 Antonio to San Diego

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to San Diego. Price data was last updated on April 11, 2025.

To ensure you get the cheapest price possible for a flight from San Antonio to San Diego, you should look to book at least 77 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 Antonio to San Diego?

Currently, August is the cheapest month in which you can book a flight from San Antonio to San Diego (average of $286). Flying from San Antonio to San Diego in March is currently the most expensive (average of $366). 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 SAT to SAN?

Find hourly flight availability from San Antonio to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

One of the essential ways to save on airfare from San Antonio to San Diego is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 9% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from San Antonio to San Diego. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their San Antonio to San Diego flight should consider departing on Tuesday 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.

Rainfall in San Diego by month

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

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

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

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 Diego. Reviews last updated April 15, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from San Antonio to San Diego have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
8.0
Very good

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from San Antonio to San Diego. 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 Antonio to San Diego?

    You will need to book a flight from San Antonio to San Diego if you want to fly from San Antonio to San Diego. At least 7 different airlines have flights from San Antonio (SAT) to San Diego (SAN) on a regular basis. There is 1 flight to San Diego from the San Antonio airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SAT to SAN to be around 2h 50m.

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

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

    Spirit Airlines, at $158, was found to be the cheapest airline from San Antonio to San Diego.Alternate airlines to your destination round-trip include Frontier and Delta. Spirit Airlines is priced at 56% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $40. Users have also found prices from $85 and $150 on Frontier and Delta, respectively.

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

    Looking for the cheapest flight from San Antonio to San Diego? While on average our users pay $338, our data indicates the cheapest price to be $176. The most popular route (San Antonio - San Diego), is priced around $145.

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

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

    Most Las Vegas visitors opt to spend their time experiencing Fremont Street Experience, Colosseum at Caesars Palace, and Fountains of Bellagio. Fremont Street Experience, Colosseum at Caesars Palace, and Fountains of Bellagio are located about 5.9 mi, 2.6 mi, and 2.3 mi, respectively from Las Vegas Harry Reid Intl. Travelers in need of a car in Las Vegas can rent one for about $63 per day.

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

    The majority of Dallas visitors spend their time at American Airlines Center, Dos Equis Pavilion, and Dallas World Aquarium. American Airlines Center, Dos Equis Pavilion, and Dallas World Aquarium can be visited by traveling about 15.0 mi, 18.3 mi, and 15.5 mi respectively from Dallas/Fort Worth. Travelers can rent a car at Dallas/Fort Worth for an average daily rate of $59 to make sightseeing during their layover a little easier.

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

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from San Antonio to San Diego (average of $286). Flying from San Antonio to San Diego in March is currently the most expensive (average of $366). 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
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

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Alternative routes for San Antonio to San Diego

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

Top 7 airlines flying from San Antonio to San Diego

Discover the top 7 airlines that operate flights from San Antonio to San Diego. 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$103Average$185FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$120Average$204FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$166Average$287FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$227Average$415FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$398FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$302Average$517FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$342Average$452FlexibilityNo cancel feeOn-time63%

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