£144 Cheap Flights from San Antonio (SAT) to San Diego (SAN)

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Popular airlines from San Antonio International Airport (SAT) to San Diego Intl. Airport (SAN)

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Cheap Flights from San Antonio (SAT) to San Diego (SAN)

Prices were available within the past 7 days and start at £144 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.) cost?
One-way flights typically cost between £311 and £836 and return flights often range between £311 and £836. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.)?
September is typically the cheapest month to fly from San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.), with average return fares of approximately £455. This is about 17% lower than the average price throughout the year. September often sees lower prices as the summer travel rush ends and before the holiday season begins. Other cheap months to fly from San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.) include August and October.
Which airlines fly direct from San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.)?
Enter SAT to SAN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.)?
To find a cheap flight from San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.)?
The best airline to fly with from San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.) will differ from traveller to traveller. If you like to fly early, WN offers early morning flights. If price is the most important factor, WN typically offers the lowest fares. WN offers the most daily flights from San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.)?
The best time to fly from San Antonio International Airport (SAT) to San Diego International Airport (SAN) is September. This month offers a great balance, as it's one of the cheapest times to fly, with average return flights around £455, and it's also a popular time to travel, meaning you'll have plenty of flight options. This information is based on booking data from the past year.
How many flights per day from San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.)?
When flying from San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.), you'll find approximately 2 nonstop flights per day. For even more choice, look at flights that include layovers, as there are around 113 connecting flights daily. Some common connection points include Dallas-Fort Worth Intl. (DFW), Seattle - Tacoma Intl. (SEA), and Denver Intl. (DEN).
What is the earliest flight from San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.)?
The earliest flight from San Antonio International Airport (SAT) to San Diego International Airport (SAN) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in August and September. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.)?
You'll typically find the most flights from San Antonio International Airport (SAT) to San Diego International Airport (SAN) on a Thursday, with around 81 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, American Airlines, and United Airlines. Flight schedules are consistent throughout the week, so you'll have a good selection of flights no matter which day you choose.
What are the most popular departure times for flights from San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.)?
The most popular departure times for flights from San Antonio International Airport (SAT) to San Diego International Airport (SAN) are in the early morning, from 6am to 9am. Approximately 29% of passengers prefer this time window. Many major carriers, including American Airlines and Southwest Airlines, offer flights during this window. Many travelers prefer these early morning flights because they allow you to arrive at your destination with plenty of time to start your day.
How long does it take to fly from San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.)?
Direct flights from SAT to SAN usually take about 2 hours 50 minutes, traveling roughly 1,128 miles. If you opt for a connecting flight, expect to add around 2 hours 40 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.)?
Select the "Business class" and "First class" filters when looking for SAT to SAN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.) flight with Expedia?
It's easy to earn miles on a San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Diego from San Antonio Intl. (SAT)?
If you're planning to travel to San Diego from San Antonio Intl. (SAT), you can fly directly into San Diego Intl. (SAN) Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), George Bush Intercontinental (IAH), Love Field (DAL) before reaching San Diego. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.) at the last minute?
Typically, booking a last minute flight from San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.) flight and hotel package?
Securing a San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.)?
If you booked your San Antonio, TX (SAT-San Antonio Intl.) to San Diego, CA (SAN-San Diego Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
San Antonio Intl.
Destination airport
San Diego Intl.
Distance
1804 km
Average flight time
1 hour 23 mins

Book with confidence

Compare flights from San Antonio to San Diego easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from San Antonio to San Diego. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to San Diego Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from San Antonio Intl. to San Diego Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from San Antonio Intl. (SAT) to San Diego Intl. (SAN)

The easiest way to view the best deals on flights from San Antonio to San Diego today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from San Antonio Intl. to San Diego Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near San Antonio and San Diego
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your San Antonio to San Diego flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from San Antonio Intl. to San Diego Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from San Antonio to San Diego easily and book with confidence

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