Cheap flights from San Antonio to San Diego (SAT - SAN)

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The best prices from San Antonio to San Diego are usually found in September or October, booked 43 days in advance, depart on a Tuesday or Thursday and return on a Thursday

How to find the cheapest flight from
San Antonio (SAT) to San Diego (SAN)

All the information you need to plan the best SAT to SAN flight in 2021: compare San Antonio to San Diego flight prices with the expected peak season, weather and rainfall in San Diego.
SAT - SAN
Price
$177 - $348
SAN
Temperature
57.2 - 71.6 °F
SAN
Precipitation
0 - 2.3 inches

Popular in

December

High demand for flights, 26% potential price rise

Cheapest in

September

Best time to find cheap flights, 32% potential price drop

Round-trip from

$177

From San Antonio to San Diego

One-way from

$168

One-way flight from San Antonio to San Diego

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest month to fly from San Antonio to San Diego?

September can be a great time to fly to San Diego from San Antonio with a flight ticket averaging about $259. Cheapflights users have found deals in the month of September for as cheap as $111. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from San Antonio to San Diego (SAT - SAN)?

One of the essential ways to save on airfare from San Antonio to San Diego is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 37% on airfare.

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

Find a great deal and save up to 16% by booking at least 41 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from San Antonio to San Diego within the next two weeks, with the cheapest ticket starting at $249.

What is the cheapest day to fly round-trip from San Antonio to San Diego?

Travelers have found that booking a Monday departure is the best way to save up to 55% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

Cheap flights from San Antonio to San Diego in October, November 2021

The best prices found for SAT to SAN flights for October, November
22 Nov - 11 Dec
$125pp
SAT
San Antonio
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
SAT
San Antonio
2 Nov - 6 Nov
$130pp
SAT
San Antonio
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
SAT
San Antonio
25 Nov - 4 Dec
$174pp
SAT
San Antonio
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
SAT
San Antonio

San Antonio to San Diego 2021 flight deals

Cheap flights to San Diego from San Antonio found for this year
22 Nov - 11 Dec
$125pp
SAT
San Antonio
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
SAT
San Antonio
5 Dec - 11 Dec
$128pp
SAT
San Antonio
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
SAT
San Antonio
2 Nov - 6 Nov
$130pp
SAT
San Antonio
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
SAT
San Antonio

Last minute flights from San Antonio to San Diego

Late deals on round-trip flights to San Diego from San Antonio, departing today and this week
2 Nov - 6 Nov
$130pp
SAT
San Antonio
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
SAT
San Antonio
6 Nov - 8 Nov
$233pp
SAT
San Antonio
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
JetBlue
 
1 STOP
SAT
San Antonio
3 Nov - 6 Nov
$240pp
SAT
San Antonio
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
SAT
San Antonio

One-way flights to San Diego from San Antonio

The cheapest one-way flights from San Antonio to San Diego
12:00 am - 3:38 am
Alaska Airlines
1 Stop
5h 38m
SAT - SAN
Alaska Airlines
$168
SmartFares
9:23 am - 5:24 am
Frontier
2 Stops
22h 01m
SAT - SAN
Frontier
$177
Kiwi.com
7:40 am - 1:17 pm
American Airlines
2 Stops
7h 37m
SAT - SAN
American Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">San Antonio</span> to <span class="emphasized">San Diego</span> flights.

Flight FAQs

From San Antonio to San Diego

Which airlines flying from San Antonio to San Diego have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Frontier, American Airlines, and United Airlines flying from San Antonio to San Diego have implemented new flexible cancellation policies.

Can I find flights from San Antonio to San Diego for under $200 on Cheapflights?

Yes, there are multiple flights from San Antonio to San Diego for under $200. The cheapest flight booked recently is on Frontier for just $125, but on average you can expect to pay $207.

Are there last-minute flights available from San Antonio to San Diego for under $200?

There are currently 20+ open flights from San Antonio to San Diego within the next 7 days for less than $200.

How popular is this San Antonio to San Diego flight route?

Within the past month, 152 users have taken a look at flights from San Antonio to San Diego.

What are the cheapest airlines flying from San Antonio to San Diego round-trip?

Frontier, at $125, was found to be the cheapest airline from San Antonio to San Diego.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Frontier is priced at 51% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from San Antonio to San Diego one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $64. Users have also found prices from $130 and $162 on American Airlines and United Airlines, respectively.

What are the cheapest flights from San Antonio to San Diego?

Looking for the cheapest flight from San Antonio to San Diego? While on average our users pay $462, our data indicates the cheapest price to be $78. The most popular route (San Antonio - San Diego), is priced around $174.

What are the most popular airlines that fly from San Antonio to San Diego?

The most popular airlines flying from San Antonio to San Diego are Major Airline, American Airlines and Alaska Airlines. Something to consider prior to booking your flight.

COVID Restrictions

View COVID Travel Restrictions for San Diego, CA

Do I need a COVID test to fly to San Diego from San Antonio?

Information is based on travel restrictions for travel to San Diego within the United States

Most visitors from San Antonio need to provide a negative COVID-19 test result and/or quarantine to enter San Diego.

COVID-19 testing requirements
Visitors from San Antonio must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Diego.

Quarantine requirements
Visitors from San Antonio are not required to quarantine after entering San Diego.

Do I need a test to fly back to San Antonio from San Diego?

Returning to San Antonio from San Diego

COVID-19 testing requirements
Visitors from San Diego must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Antonio.

Quarantine requirements
Visitors from San Diego are not required to quarantine after entering San Antonio.

Hide COVID Travel Restrictions for San Diego, CA

Alternative routes for San Antonio to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for San Diego

Things to know before you go - useful duration and weather info for your trip from San Antonio to San Diego.
Average temperature for October in San Diego
77.0 °F
Avg rainfall for October in San Diego
0.6 ″

Airports servicing San Antonio

Airports servicing San Diego

Top 5 airlines flying from San Antonio to San Diego

The chart below displays the airlines Cheapflights users traveling from San Antonio to San Diego choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$68 $170 No cancel fee 62%
Alaska Airlines
$86 $212 No cancel fee 75%
Delta
$97 $261 No cancel fee N/A
United Airlines
$97 $238 No cancel fee 69%
American Airlines
$107 $297 No cancel fee 71%
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