SAT - SAN

$48 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 6/3. 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.
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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.
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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Flights Deals

Cheap Flight Deals 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.

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

KAYAK's recommended round-trip deals from the most popular airlines that fly from San Antonio to San Diego.
Discover the best prices for you by selecting your travel dates on KAYAK.
Spirit Airlines Logo
10:51 pm - 7:13 amSAT-SAN
10h 22m1 stop
Spirit Airlines Logo
6:58 pm - 5:04 amSAN-SAT
8h 06m1 stop
$117Spirit Airlines
Find Deal
Thu, May 29 - Mon, Jun 2
Spirit Airlines Logo
2:37 pm - 11:56 pmSAT-SAN
11h 19m1 stop
Spirit Airlines Logo
8:48 pm - 5:04 amSAN-SAT
6h 16m1 stop
$120Spirit Airlines
Find Deal
Wed, May 21 - Tue, May 27
Frontier Logo
3:22 pm - 7:54 pmSAT-SAN
6h 32m1 stop
Frontier Logo
6:25 am - 2:17 pmSAN-SAT
5h 52m1 stop
$176Frontier
Find Deal
Fri, May 16 - Mon, May 19
United Airlines Logo
2:20 pm - 7:51 pmSAT-SAN
7h 31m2 stops
United Airlines Logo
8:05 am - 3:26 pmSAN-SAT
5h 21m1 stop
$304United Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
Southwest Logo
6:50 am - 7:40 amSAT-SAN
2h 50mnonstop
Southwest Logo
7:05 pm - 11:50 pmSAN-SAT
2h 45mnonstop
$307Southwest
Find Deal
Tue, Jun 24 - Tue, Jul 1
Frontier Logo
2:55 pm - 12:04 pmSAT-SAN
23h 09m1 stop
Frontier Logo
6:25 am - 1:03 pmSAN-SAT
28h 38m2 stops
$315Frontier
Find Deal
Sat, Jun 14 - Sat, Jun 21
Southwest Logo
5:00 pm - 6:00 pmSAT-SAN
3h 00mnonstop
Southwest Logo
7:25 am - 3:00 pmSAN-SAT
5h 35m1 stop
$317Southwest
Find Deal
Wed, May 21 - Tue, May 27
United Airlines Logo
4:51 pm - 9:14 pmSAT-SAN
6h 23m1 stop
United Airlines Logo
10:30 pm - 1:04 pmSAN-SAT
12h 34m2 stops
$384United Airlines
Find Deal
Wed, May 28 - Mon, Jun 16
American Airlines Logo
7:34 pm - 11:43 pmSAT-SAN
6h 09m1 stop
American Airlines Logo
4:43 pm - 11:58 pmSAN-SAT
5h 15m1 stop
$899American Airlines
Find Deal
Wed, May 14 - Thu, May 15
American Airlines Logo
6:43 pm - 11:43 pmSAT-SAN
7h 00m1 stop
American Airlines Logo
3:10 pm - 11:02 pmSAN-SAT
5h 52m1 stop
$949American Airlines
Find Deal
Tue, May 13 - Thu, May 15
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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 Tuesday, 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 $230 (return) on average. On the other hand, the most expensive months are March and December, where the average cost of round-trip tickets is $451 and $446 respectively.

Can I save money by flying with a layover from San Antonio to San Diego?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $234 on average.

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 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 10 weeks before departure.

Good to know

Low seasonJanuary
High seasonJuly
Cheapest flight$48
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly with an average 9% 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 $48 for a one-way ticket and $117 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?

    Delta, Alaska Airlines, and American 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 $447 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 $398 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 $223 or less one-way and $377 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?

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

Southwest

Sunday

Southwest

Southwest

See more direct flights
See more direct flights

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 4293 reviews
8.2Boarding
8.6Crew
7.6Entertainment
7.1Food
8.0Comfort
Airline reviews

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

10.0 ExcellentAnonymous, Apr 2025LGB - SMF
Read more Southwest reviews

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.

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 hell hole of an airport. It is the new LaGuardia. Everything Cobbled together. Security gates closed. Terri directional signage

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

The plane arrived 25 minutes late, and the Wi-Fi was slower than it usually is.

A bit rush for transit. Food and entertainment are not available

The gate was too far away for the connecting flight

Generally good. The aisles have gotten narrower which can slow down boarding. Flight crew was great! Healthier complimentary snacks would be appreciated. Due to earthquake in San Francisco we had to circle in air space for a bit but then had a smooth landing. I laud the flight crew for their patience ;)

The agents was very rude and they charged me $50 for a carry-on bag saying that it was too big and then I saw someone going on a plane with the same size bag as me

For the most part united was a good experience, how ever when they came by with the snacks and water, they completely passed by my wife and I. As we were in separate rows. On a 5 hr flight we were not offered water

Fantastic crew. Flight was delayed at last minute but we were given updates every 20 minutes and the crew was so friendly and considerate. I miss the touch screens on the back of the seats, wish they would bring that back though.

Awful. Worst airline I have ever been on. Crew were among the rudest people I have ever dealt with. United staff members were rude and disrespectful. My flight was delayed, causing me to miss a connecting flight. I understand things happen, but when staff start lying about what actually happened, that is when I have an issue. Just be honest, really it isn’t that hard. I’m being very honest with this review and I don’t find this difficult what so ever. In fact, because of United Airlines, my Christmas holiday was off to a really rocky start. As someone who has traveled across the world, it has only been United that I have had a truly awful experience.

Boarding always seems a bit chaotic. Seat spacing could leave more for leg room.

Good flight. On time. Boarding and seating was easy. Crew were really friendly, yet professional. Bathroom (by cockpit) was small but serviceable. Some the seats were showing some notable wear & tear, but were comfy. Very happy UA customer. TY! 🤛🏽💗

We arrived early and finally made it to our gate almost an hour after.

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!

Extraordinary service in business class, and very good breakfast and snacks. A really lovely flight.

This flight didn’t happen because AA agents didn’t let us board the flight

Plane was pretty clean, staff was friendly and helpful, flight left about on time arrived early. Took a long time to board and get off the plane - carry on items didn't have enough room so people had to move all around to find places.

The service and food needs to improve to catch up with other international flights

Would have been good to have a meal since it was a 5.5 hour flight

We boarded after several delays due to mechanical failure and a gate change. The seat cushion in the exit row was very compressed and offered no cushion, making the four-hour journey reasonably uncomfortable. The WiFi worked for a few people, but for most, it did not, and you cannot get entertainment unless you can connect—American Airlines flights do not have seatback screens, and you must use your mobile phone.

AA is always pretty solid. Was on time all the way around today so can’t complain!

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

Your crew is a representation of your Standards and Values. The crew from Seattle to LAX, was very disappointing. The crew was more interested in hanging out at the lobby area. Talking, laughing loudly and eating all the snacks. They did not do regular rounds to see if customers needed anything. This was a huge disappointment. I will no longer be flying with your airlines moving forward.

- flight attendants not very friendly. - Paid for WiFi and plane didn’t have it working , never got a refund.

We got to fly on the new airplane. Much better as it’s roomier and cleaner than before. Most Importantly it’s much more comfortable. I still can’t move the seat back but the extra space made up for it. I didn’t taste the food or drinks because they charge for everything so I didn’t bother. I didn’t experience the entertainment because I downloaded my own movies on my phone. The crew was great. The flight itself was smooth . No complaints.

I was comfortable because I upgraded. I would not have been comfortable in economy. It was a short flight so there was limited food service and no inflight entertainment.

I thought since I upgraded my seat I would get some perks. Free water, free snacks. Free carry on luggage.

It’s ridiculous to pay for carry-on luggage. I also wasn’t given an option to specify I have carry on bag at time of ticket purchase. I also could not specify I have carry on luggage at time of online check-in.

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.

Landing in terminal 2, but my luggage is terminal 3. We (and others) were looking for it in terminal 1. We probably missed the crew broadcast, but the communication could have been clearer for non native (or elderly) passengers.

Everything went as planned. Crew was great. Seats were still not that comfortable.

Would be great if Frontier can Assign Seats together under one PNR

No frills for sure. No gate announcements about flight delay, not even water to drink on the flight.

The airline used deceptive tactics to charge us more for our trip. Search Frontier Class Action Lawsuit to find out more or read the hundreds of reviews that have nearly identical stories.. don't fly this airline.. you've been warned.

The plane was clean, the crew was friendly and helpful. It’s a low cost airline so there was no food, drinks or in flight entertainment but we didn’t expect any of these things. In the room for improvement department, they should install USB ports in seats to charge mobile devices.

I was surprised that all baggage, including carry on, were charged. Each additional bag went up in cost. Really disappointed in the additional costs.

Boarding was organized and flight was on time. Overall very satisfied with my flight.

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