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

Flights overview

Useful information for finding cheap flights from San Antonio to San Diego and booking your next trip

Cheapest round-trip flights	$234	Frontier 1 stop 6 hr Sat, Jul 11 — Sun, Jul 12	The cheapest round-trip flight from San Antonio to San Diego is currently $234
Cheapest one-way flight	$100	Frontier 1 stop 6 hr Wed, Jun 3	The cheapest one-way flight from San Antonio to San Diego is currently $100
Cheapest nonstop flights	$363	Southwest Nonstop 3 hr Thu, Jun 11 — Mon, Jun 15	The cheapest nonstop round-trip flight from San Antonio to San Diego is currently $363
Last-minute weekend getaway	$311	Frontier 1 stop 6 hr Sat, May 9 — Sun, May 10	The cheapest last-minute weekend getaway from San Antonio to San Diego is currently $311
Cheapest business class flights	$508	Frontier 1 stop 14 hr Fri, Jun 12 — Sun, Jun 14	The cheapest business class round-trip flight from San Antonio to San Diego is currently $508

Fastest flight	2 hr 45 min	The fastest nonstop flight from San Antonio to San Diego takes 2 hr 45 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from San Antonio to San Diego is typically October. The most expensive month to fly is typically March.

October Cheapest	Typical prices: $140–255
March Most expensive	Typical prices: $230–355

Popular airlines from San Antonio to San Diego

Southwest

Nonstop

from $363

Typical price: $325–560

13 weekly nonstop flights

SAT - SAN Every day

1076 weekly connecting flights

SAT - SAN Every day
American

from $380

Typical price: $285–480

494 weekly connecting flights

SAT - SAN Every day
United

from $386

Typical price: $285–510

263 weekly connecting flights

SAT - SAN Every day
Delta

from $383

Typical price: $295–620

179 weekly connecting flights

SAT - SAN Every day
Frontier

from $234

Typical price: $175–385

28 weekly connecting flights

SAT - SAN Every day
Alaska

from $659

Typical price: $420–670

12 weekly connecting flights

SAT - SAN Every day

Popular airports near San Antonio

San Antonio International Airport (SAT)

San Antonio United States 19 min 7 mi
Austin-Bergstrom International Airport (AUS)

Austin United States 1 hr 21 min 72 mi
George Bush Intercontinental Airport (IAH)

Houston United States 3 hr 9 min 193 mi
William P. Hobby Airport (HOU)

Houston United States 3 hr 14 min 193 mi

Popular airports near San Diego

San Diego International Airport (SAN)

San Diego United States 10 min 2 mi
Tijuana International Airport (TIJ)

Tijuana Mexico 37 min 16 mi
Los Angeles International Airport (LAX)

Los Angeles United States 2 hr 2 min 111 mi
John Wayne Airport (SNA)

Santa Ana United States 1 hr 21 min 78 mi

Frequently asked questions about flying from San Antonio to San Diego

The cheapest flights from San Antonio to San Diego are usually in October. Typical ticket prices in October range from $140 to $255.

The cheapest round-trip flight from San Antonio to San Diego recently found on Google Flights was with Frontier from $234. The cheapest one-way flight was with Frontier from $100.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from San Antonio to San Diego is $363, flying from Jun 11 to Jun 15.
The cheapest American flight from San Antonio to San Diego is $380, flying from Jun 4 to Jun 8.
The cheapest United flight from San Antonio to San Diego is $386, flying from Jul 16 to Jul 20.
The cheapest Delta flight from San Antonio to San Diego is $383, flying from Jul 9 to Jul 13.
The cheapest Frontier flight from San Antonio to San Diego is $234, flying from Jul 11 to Jul 12.
The cheapest Alaska flight from San Antonio to San Diego is $659, flying from Jul 30 to Aug 3.

The cheapest round-trip flight from San Antonio to San Diego starts at $234 from Sat, Jul 11 to Sun, Jul 12. The cheapest one-way flight starts at $100 and departs on Wed, Jun 3.

2 hr 45 min is the shortest flight time from San Antonio to San Diego.

Jun–Aug is when most people visit San Diego, where the weather's temperate year-round. Beaches are less crowded Dec–Feb, which bring cooler temperatures but brighter sun. Whale-watching season is from mid-Dec–mid-Mar. Major annual events include Comic-Con International (Jul), a massive comic book convention with workshops and film screenings. Fleet Week (autumn) is a large military appreciation event featuring Navy ship tours, an air show and more.

It's easy to use Google Flights to find the cheapest days to fly from San Antonio to San Diego.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from San Antonio to San Diego really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from San Antonio to San Diego.

In terms of nonstop flights, Southwest is the most popular. Southwest offers 13 nonstop flights and 1,076 connecting flights per week. Southwest flies from San Antonio International Airport (SAT) to San Diego International Airport (SAN) .

Other popular airlines flying from San Antonio to San Diego are:

American offers 494 connecting flights per week. American flies from San Antonio International Airport (SAT) to San Diego International Airport (SAN) .
United offers 263 connecting flights per week. United flies from San Antonio International Airport (SAT) to San Diego International Airport (SAN) .
Delta offers 179 connecting flights per week. Delta flies from San Antonio International Airport (SAT) to San Diego International Airport (SAN) .
Frontier offers 28 connecting flights per week. Frontier flies from San Antonio International Airport (SAT) to San Diego International Airport (SAN) .
Alaska offers 12 connecting flights per week. Alaska flies from San Antonio International Airport (SAT) to San Diego International Airport (SAN) .

The number of connecting flights refers to distinct flights with at least one stop between San Antonio and San Diego.

The cheapest round-trip flight from San Antonio to San Diego recently found on Google Flights was with Frontier from $234. The cheapest one-way flight was with Frontier from $100.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from San Antonio to San Diego is $363, flying from Jun 11 to Jun 15.
The cheapest American flight from San Antonio to San Diego is $380, flying from Jun 4 to Jun 8.
The cheapest United flight from San Antonio to San Diego is $386, flying from Jul 16 to Jul 20.
The cheapest Delta flight from San Antonio to San Diego is $383, flying from Jul 9 to Jul 13.
The cheapest Frontier flight from San Antonio to San Diego is $234, flying from Jul 11 to Jul 12.
The cheapest Alaska flight from San Antonio to San Diego is $659, flying from Jul 30 to Aug 3.

Southwest flies direct from San Antonio to San Diego.

There are 13 Southwest direct flights from San Antonio to San Diego per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between San Antonio and San Diego at price $311 is offered by Frontier from Sat, May 9 to Sun, May 10.

Southwest flies direct from San Antonio to San Diego.

There are 13 Southwest direct flights from San Antonio to San Diego per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

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

The cheapest direct (nonstop) round-trip flights between San Antonio and San Diego start at $363 from Thu, Jun 11 to Mon, Jun 15 with Southwest.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from San Antonio to San Diego, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between San Antonio and San Diego start at $508 from Fri, Jun 12 to Sun, Jun 14 with Frontier.

The cheapest economy class round-trip flights between San Antonio and San Diego start at $234 from Sat, Jul 11 to Sun, Jul 12.

To book business class trips from San Antonio to San Diego, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between San Antonio and San Diego starts at $311 from Sat, May 9 to Sun, May 10 with Frontier.

The cheapest last-minute deal between San Antonio and San Diego at price $311 is offered by Frontier from Sat, May 9 to Sun, May 10.

To find last-minute flight deals from San Antonio to San Diego, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.