US$39️ Cheap Flights from San Diego to San Antonio (2024)

Flights from San Diego to San Antonio

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Find cheap one-way flights from San Diego to San Antonio starting at US$39.

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from San Diego to San Antonio?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Cheapest airlines flights from San Diego to San Antonio

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From US$39

Spirit Airlines

From US$51

Delta Air Lines

From US$153

American Airlines

From US$155

United Airlines

From US$156

Southwest Airlines

From US$168

Alaska Airlines

From US$173

ANA airlines

Find more flights and airlines

Find cheap flights from San Diego to San Antonio by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from San Diego to San Antonio.

Cheapest
SAN
08:34
10h 30m
1 transfer
SAT
21:04
San Diego International Airport - San Antonio International Airport
Wed, May 8Frontier Airlines
US$39
SAN
08:34
10h 30m
1 transfer
SAT
21:04
San Diego International Airport - San Antonio International Airport
Wed, May 8Frontier Airlines
US$39
Find More Flights

Frequently Asked Questions

When are flight tickets from San Diego (SAN) to San Antonio (SAT) the cheapest?
Airlines adjust prices for flights from San Diego to San Antonio based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from San Diego (SAN) to San Antonio (SAT) cost?
According to Trip.com's data, the lowest price is around $371.
How long does it take to fly from San Diego (SAN) to San Antonio (SAT) and what is the distance?
It takes around 2 hours 57 minutes to fly from San Diego (SAN) to San Antonio (SAT).
What is the transportation method from the main airport to downtown in San Antonio?
- The distance from San Antonio International Airport to downtown is about 12km. It takes about 30 minutes by taxi.
What are the most popular airlines that fly from San Diego (SAN) to San Antonio (SAT)?
Airlines with flights from San Diego (SAN) to San Antonio (SAT): Southwest Airlines.

How to find a cheap flight from San Diego to San Antonio

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from San Diego to San Antonio. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

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Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

San Diego to San Antonio Flight Information

Cheapest nonstop flight price	$38
Cheapest round-trip ticket price	$259
Off-season for travel	April
Peak season for travel	July
Flight distance	1,814.06km
Average flight time	2 hours 57 minutes
Popular airline	Frontier Airlines