SAT - SAN

$56 Find Cheap Flights from San Antonio to San Diego

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Antonio to San Diego departing on 8/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Antonio to San Diego.
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Cheap Flights from San Antonio to San Diego (SAT-SAN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Antonio to San Diego that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Antonio to San Diego

Thu, Sep 4 - Mon, Sep 8
Spirit Airlines Logo
5:34 pm - 11:24 pmSAT-SAN
7h 50m1 stop
Spirit Airlines Logo
6:15 am - 4:39 pmSAN-SAT
8h 24m1 stop
$144Spirit Airlines
Find Deal
Tue, Aug 12 - Fri, Aug 15
Spirit Airlines Logo
8:27 pm - 7:21 amSAT-SAN
12h 54m1 stop
Spirit Airlines Logo
6:15 am - 1:53 pmSAN-SAT
5h 38m1 stop
$148Spirit Airlines
Find Deal
Thu, Sep 25 - Mon, Sep 29
Spirit Airlines Logo
9:47 pm - 7:29 amSAT-SAN
11h 42m1 stop
Spirit Airlines Logo
1:35 pm - 8:52 pmSAN-SAT
5h 17m1 stop
$149Spirit Airlines
Find Deal
Tue, Aug 12 - Sat, Aug 16
 Logo
8:27 pm - 7:21 amSAT-SAN
12h 54m1 stop
 Logo
6:25 am - 6:02 pmSAN-SAT
9h 37m1 stop
Sun, Aug 10 - Tue, Aug 12
 Logo
1:56 pm - 12:08 pmSAT-SAN
24h 12m1 stop
 Logo
6:15 am - 6:36 pmSAN-SAT
10h 21m1 stop
Sat, Aug 16 - Sat, Aug 23
Frontier Logo
3:06 pm - 6:19 pmSAT-SAN
5h 13m1 stop
Frontier Logo
6:25 am - 2:35 pmSAN-SAT
6h 10m1 stop
$196Frontier
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Sat, Aug 30 - Sat, Sep 6
Frontier Logo
3:34 pm - 10:08 pmSAT-SAN
8h 34m1 stop
Frontier Logo
8:00 am - 3:50 pmSAN-SAT
5h 50m1 stop
$198Frontier
Find Deal
Wed, Sep 10 - Sat, Sep 13
United Airlines Logo
5:58 pm - 9:41 pmSAT-SAN
5h 43m1 stop
United Airlines Logo
10:54 am - 8:46 pmSAN-SAT
7h 52m2 stops
$212United Airlines
Find Deal
Tue, Aug 26 - Tue, Sep 2
United Airlines Logo
7:45 am - 12:52 pmSAT-SAN
7h 07m1 stop
United Airlines Logo
8:05 am - 3:26 pmSAN-SAT
5h 21m1 stop
$217United Airlines
Find Deal
Wed, Sep 10 - Sat, Sep 13
Southwest Logo
5:00 pm - 5:50 pmSAT-SAN
2h 50mnonstop
Southwest Logo
1:55 pm - 6:45 pmSAN-SAT
2h 50mnonstop
$233Southwest
Find Deal
Expert advice

Expert advice for your flight from San Antonio to San Diego

 
Snippets provided in this section are AI-generated based on a summarization of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airports
SAT

Expect short security lines at SAT, often under 5 minutes. Even during holidays, delays are rare, making it a stress-free departure airport.

Read more about SATby Brandon Schultz
SAN

Use the Route 992 bus for a cheap, 15-minute ride from SAN to Downtown San Diego. It runs every 15 minutes from 5 am to midnight.

Read more about SANby Brandon Schultz
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on SAN and SAT

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Booking Insights

KAYAK's insights & trends for San Antonio to San Diego flights

Get data-powered insights and trends into flights from San Antonio to San Diego to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from San Antonio to San Diego?

The average price of all round-trip flights from San Antonio to San Diego clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to San Diego on a Wednesday and more expensive on a Sunday. On your return trip to San Antonio, you should consider flying back on a Saturday, and avoid Fridays for better deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Antonio to San Diego, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Antonio to San Diego is August, where tickets cost $238 (return) on average. On the other hand, the most expensive months are March and November, where the average cost of round-trip tickets is $454 and $446 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Antonio to San Diego, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Antonio to San Diego, you should book around 3 weeks before departure, which saves you about 28% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 10 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$56
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly with an average 7% increase in price.
Flight from San Antonio to San Diego

When to book flights from San Antonio to San Diego

Are your dates flexible? Find out the best times to travel from San Antonio to San Diego based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from San Antonio to San Diego

  • Can I shower before leaving SAN?

    If you want to shower before leaving San Diego, you can do so at the airport’s Airspace Lounge. You'll have to pay a fee to enter this lounge which is located near gates 22 and 23 in terminal 2.

  • What are some special services I can enjoy while at SAT?

    While waiting for your flight at SAT, you can get top-notch salon and massage services at either of the BeRelax Spa locations. One is near gate 26, while the other is near gate 36. You’ll leave looking your best and feeling relaxed for your flight!

  • Is SAT an ADA-compliant airport?

    Yes, SAT is designed for maximum accessibility. This airport features automatic doors, crosswalks, ramps, level flooring, accessible entrances, and elevators to aid travelers in safely moving through the airport. To aid blind passengers, it has braille buttons in its elevators as well as outside its doors. If you are in need of wheelchair assistance, you can arrange with your airline to have someone pick you up and escort you through the airport.

  • Can I breastfeed my baby while at San Diego International Airport?

    Yes, if you need to breastfeed your baby or pump before leaving SAN, there are three lactation rooms dotted across the airport which you can use to have a quiet, private moment. One is available across from the elevator in terminal 1 west, while another is on the ground level of terminal 1 east rotunda. The other lactation room is near gates 34 and 35 in terminal 2 west.

  • What is the cheapest flight from San Antonio to San Diego?

    In the last 3 days, the lowest price for a flight from San Antonio to San Diego was $56 for a one-way ticket and $144 for a round-trip.

  • Do I need a passport to fly between San Antonio and San Diego?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airports will I be using when flying from San Antonio to San Diego?

    San Antonio airport is called San Antonio and the only airport in San Diego is San Diego.

  • Which airlines offer Wi-Fi service onboard planes from San Antonio to San Diego?

    American Airlines, Delta, and Alaska Airlines offer inflight Wi-Fi service on the San Antonio to San Diego flight route.

  • Which aircraft models fly most regularly from San Antonio to San Diego?

    The Boeing 737-700 Passenger/BBJ1 (winglets) is the aircraft model that flies most regularly on the San Antonio to San Diego flight route.

  • On which days can I fly direct from San Antonio to San Diego?

    There are nonstop flights from San Antonio to San Diego on a daily basis.

  • Which is the best airline for flights from San Antonio to San Diego, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from San Antonio to San Diego are Southwest and Delta. With an average price for the route of $448 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $378 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from San Antonio to San Diego?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Antonio to San Diego.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Antonio to San Diego?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from San Antonio is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Antonio to San Diego?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to San Antonio with another airline. Booking your flights between San Antonio and SAN can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Antonio to San Diego?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from San Antonio up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from San Antonio to San Diego

  • Looking for a cheap flight? 25% of our users found flights on this route for $360 or less one-way and $269 or less round-trip.
  • To enter San Antonio International Airport (SAT), you must first go through the airport’s security checkpoints. The lines at these checkpoints are usually quite lengthy, so it's recommended that on the day you’re set to fly to San Diego International Airport (SAN) from SAT you reach the airport no less than 1 hour and 30 minutes before your flight.
  • If you’re an active-duty military officer, retiree, dependent, or immediate family member of one, you can wait for your flight to SAN at the USO lounge located a short distance from the gate parking lot in terminal 2. Entrance and access to amenities is free for qualified military members and their families.
  • In case you’d like to withdraw some cash at SAT, you can do so without hassle. The Bank of America operates several ATMs in the airport. In terminal 1, the ATMs are opposite the food court and near gates 1, 2, 5, and 13. In terminal 2, the ATMs are located underneath the escalator at Sunset Cove and near gates 23 and 36.
  • If you need assistance while at San Diego International Airport (SAN), don't worry. There are several Volunteer Airport Ambassadors roaming the airport who you can ask for help. Spotting one isn’t difficult, they all wear green polo t-shirts with “airport information” written on the back.
  • San Diego International Airport (SAN) has a meditation room/chapel in terminal 2. You can visit this interfaith space, irrespective of your faith or religion.

Prefer to fly direct from San Antonio to San Diego?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from San Antonio to San Diego.
Find which airlines fly direct from San Antonio Airport to San Diego Airport, which days they fly and book direct flights.

Direct departures

San Antonio to San Diego

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

Direct returns

San Diego to San Antonio

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

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Sunday

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See more direct flights

Reviews of the top 5 airlines serving from San Antonio to San Diego

 
See real verified KAYAK customer reviews for airlines flying from San Antonio to San Diego. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from San Antonio to San Diego? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4241 reviews
8.0Comfort
7.5Entertainment
8.6Crew
8.1Boarding
7.0Food
Airline reviews

Very smooth checking in our luggage with a super pleasant SW agent. I enjoyed a fun entertaining movie.

10.0 ExcellentGordon, Jul 2025GEG - OAK
Read more Southwest reviews

Very smooth checking in our luggage with a super pleasant SW agent. I enjoyed a fun entertaining movie.

First time traveling on Southwest since bag fees were implemented. Usual good service. Just more expensive now.

It was a perfect flight in all aspects! Both legs!

Boarding process, crew were good. But the seats were so uncomfortable that was all I could focus on. I literally had to sit forward so that all 3 of us could fit in row. I will try to avoid Southwest in the future for any flights over 60 minutes.

Great flight, 47 passengers on a 180 seat plane. Stewardess was pleasant and cheerful.

Great experience flying Southwest. The crew was really kind and helpful, and very friendly with our toddler.

Plane late from DC to Austin 30 minutes. Crew made up much of the time enroute to San Diego.

Fine, but how to board on SW versus othrr airlines, is just lame. Goood staff though and all was solid otherwise.

Was as expected. Crowed planes. Too many carryons delaying takeoff. But the ride only took an hour and saved me a lot of time SFO is a not a great airport.

I will be flying again Southwest Airlines. Friendly crew, comfortable and affordable.

Everything was good until we were boarding our connection flight in Atlanta, we were told to gate check our carry-on, but when we got inside the plane, there was plenty of room in the overhead.

Food was surprisingly good but the WiFi was not great

My flight was extremely cold. I had a jacket and a cover was left in each seat. The cover was extremely thin and I have a disability, fibromyalgia and arthrithis and AC air is the worst. I closed my vent and my husbands vent and it still was frigid. I asked the attendant if I could get another cover and she quickly almost dismissively and totally unconcerned stating, (I quote) (one per chair) and walked off so quickly that I didn't get a chance to explain to her that I literally have adisability. I didnt want to make a seen so I set on that flight for over 5 hours in pain, joints locking up and extremely uncomfortable. When my fibromyalgia flares up my joints not only ache but they will lock up also and it takes me days to get back to my regular self even though I take medication for it. I felt like it would not have hurt anyone at all for her to just give me an extra cover because I'm sure they have all types of medical issues in people that fly every day.

Not a "Delta" issue, but a JFK issue: We booked a connecting flight with 3 1/2 hours between to clearn immigration and customs. Our inbound flight (BCN to JFK) was on the taxiway 45 minutes which ate into our layover time. Immigtration was insanely quick with the CBP MPC app; however, clearing TSA (again, after we were ALREADY cleared in Spain on the inbound international flight) took over 95 minutes. This left us with 10 minutes before boarding the connecting flight (JFK to SAN) to walk to the far end of Terminal 4 and try to find food. We didn't find any food that could promise to serve us in under 10 minutes so we boarded the Delta flight after coming off a plance and an 8-hour flight knowing that we wouldn't be served any food on the next 5 1/2 hour flight. I feel like Delta needs to put pressure on the JFK TSA to open more screening stations (by our count, we saw only 5 scanners open and a line of - as we said - over 90 minutes. The insult is that we WERE ALREADY SCREENED through TSA, but as you come off one flight into the USA, you have to go through the whole process again. It seems like if you have a connecting flight, there should be a way to pass through immigration and customs without needing to return through TSA.

There are 4 flights in consecutive gates with about the same departure time. Two flights were boarding at the same time. One was delayed or boarding would be happening at the same time. I am not sure what Delta and LAX need to do to have a better layout at the end of Terminal 2

5 hours of delay that could've been much shorter if Delta had taken the 1 hour delay they imposed on the flight before boarding to run any of the plane checks required for flight to find the hydraulic issue that required nearly 3 hours to fix. $24 of meal credit buys a sandwich and a soft drink. Poor communication within the terminal about what gate we'd be re-boarding from and when we'd be re-boarding.

The entertainment and wifi mostly didn't work on this flight.

Terrible entertainment system - kept freezing and audio kept cutting out. Snacks were mediocre at best for a 5 hour flight.

I am still upset that my bag was lost on a recent trip to Rome ; we were inconvenienced and out €150 Euros ; delta has refused to reimburse us

This had nothing to do with Delta… The flights were on time and flawless. The service was excellent. We purchased seats in (aisle/middle) comfort plus since this was a cross country flight. Unfortunately, the woman seated at the window was 300+ pounds and, as might be expected, covered up about a third of the middle seat also. there was absolutely nothing that Delta could have done about that… I just don’t know what the answer should be. If you purchase a seat, you should should be able to use the entire seat and not just the portion that someone else is not sitting/oozing in. Disappointing…there should be something that could be done….I'm just not sure what solution could be.

Amazing food, great staff, with one noticable detail missing ...but no seat entertainment in any of aircraft ...I am not a fan

Boarding gate in Honolulu was staffed with a great clerk with a soothing voice despite the flight delay of over an hour. Flight attendants in the plane were all grumpy, not pleasant looking bunch. Their sour attitude showed throughout the flight. Inly able to get a select few movies started. Most of the movie links in the “free entertainment” did not work.

This was a horrible experience. For a first class experience, my chair was held together by 3M tape - and I have a photo. The crew weren’t very attentive, somewhat dismissive and forgot my drink and snack, the chair reclined about 3 inches on a 6-hour cross country flight. I was also not informed that there was no lounge available in Newark airport because of renovations, so all around this was one of the worst experiences and I would actively avoid both American and Alaska Air going forward.

Boarding was very efficient. Everyone got on board and we got on our way very quickly. It was frustrating that the entertainment app was not functioning properly. I was not able to activate some of the movies offered. The crew on this flight appears to be pretty grumpy. They had no smile on their faces. I felt like they were doing us a favor for being there.

Loved the staff, boarding and drink options! Wish the comfort of the seat could have been better nevertheless

Honestly, I haven’t flown American in years, probably due to the pandemic and my being unable to travel for certain periods in the last two years, but it was a good experience to dig out or obtain a new American Airlines account after many years of traveling for business with American in the past.

Long 5 hour and 45 min flight and only one drink service and cookie snack

One bottle of water and a package of cookies for comfort plus. We had to literally beg a flight attendant for an extra bottle of water later in the flight due to feeling dehydrated.

Flight boarded from Gate 39 at OGG, the farthest gate in the terminal. There were no Hawaiian themed amenities for the flight. The first class service was mediocre at best; I received not special welcome or recognition as an executive platinum member of American Advantage program. The flight attendants were more concerned with their cell phones than saying "thank you" to the passengers as we disembarked. Fortunately, the flight arrived at LAX a few minutes early.

Bigger seats. Board back to front! Disembark front to back!

Late departure by 1:45min. No explanation why. During boarding inconsistent policing of their baggage rules. Before takeoff and lamdimg strange obsession with window shade and armrest positions. Don't know why they care. 15 min tarmac delay on arrival, they blamed airport congestion but we were the o lh flight waiting, it was clear it was due to poor staff planning (only one ground crew to receive airplanes and multiple arrivals) Got there but was rrally lame the whole trip.

Unfortunately, spirits crew had us boarding and parking the plane often, would wait long periods of time before allowing the people attending the flight on the plane to know what was going on this caused for my plane to not only get diverted but then canceled at an airport 2 hours away and basically stranded with charter buses MAYBE being hired. I was left with no choice but to stay overnight and use a comp room in Altantic City to then arrive home the next day. This trip was the first time seeing my partner since he joined the Air Force and this stressful ride caused unwarranted tears on what was supposed to be an east flight home. I understand weather is unpredictable but to have passengers deboard to then reboard an hour later to taxi on the runway for another hour to then basically leave an entire fight stranded. I waited almost 30 minutes at the airport and not one employee could tell me about a charter bus so I had to leave and make accommodations to stay overnight and get a ride home.

Boarding was a breeze, however, two of the flights that I boarded with Spirit did not have Wi-Fi available.

Very good. Nothing more or less than expected. No complaints.

My experience with the spirit as a first time it was OK, but the seats need a little cushion, the problem I had the most impacted me was when checking in the scales were so off and wrong. It will tell that you would have more weight, which was not true. The scale was say that it had Thirty Eight Pounds, when get in the labels when we send the luggage into the band. It says that it was overweight. I really really dislike that because the scales are not accurate. If I use Spirit and I have that issue again. That will be my last time flying with the spirit, even though I like so much to service the planes, and everything else

hahaha we are delayed for one hour plus.. but thx we arrived San Diego safe

Worst airline ever! The guy weighing my bag had his foot on the metal plate and when I called him out on it, I got this stupid little smirk. La is a scam and so is Spirit Airlines. All the flight attendants looked like they hated our flight just as much as we did.

Unclear pricing; ended up being charged an extra $52 just to get onboard

Spirit is awful. Too expensive for what you get. Stop nickel and diming.

would be great to get basic water, soda at least and stop charging for carry ons

Decent clean onboard experience. Okay discount airline experience. Unfortunately, any customer service interactions are difficult and unhelpful. There is no service. Also, a premium seat only gets you premium boarding if you line up first. Once they start general boarding you must go to the back of the line. Not very premium

The crew was mostly okay. The flight attendant who answered our questions was curt and unhelpful unfortunately. He seemed upset and I understand having off days.

We were delayed three times ,and that destroyed my plans, and reservations

Very bad! No good service delayed my second connection flight

They canceled flight. Hard to believe there was even a plane incoming for us to get on

Book with frontier airlines with the mentality that they'll cancel your flight, kick you off and lose your luggage. Anything besides that is a win. Compare prices with other airlines (to include luggage) and if frontier is still worth it, book it but know all of their policies.

Plane was down graded and I lost my uncharged exit row with more leg room. No mention or offer of refund from podium. Flight attendant was nice to explain this happens often and that I could request a refund via online form submission. I did this and have heard nothing back.

Horrendous. I do not recommend Frontier. The passengers lack manners and decency, and the flight attendants lack professionalism. If I wasn’t in a bind to fly with 48 hours notice for a job interview, I would not have selected a flight with Frontier and I never plan to fly with them in the future.

The reps working at the airport counter were dumber than a second coat of paint.

The seats were hard molded plastic covered in plastic vinyl. And the scam to charge people extra to sit together. Don’t they know we can just ask someone to trade seats. And watching the staff separate young children from parents… super classy. We had to guilt them into offering up our seats. This companies policies suck. Don’t give them your money.

Everything you need to know for your flight from San Antonio to San Diego

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