Cheap Flights from San Antonio to San Diego
No deal from San Antonio to San Diego has cleared our price bar yet. What we have seen on the route is below.
Across 4 months of observations from San Antonio to San Diego, the lowest round-trip fare we recorded was $109, in September. The typical fare was $255. September was the cheapest month we saw and July the dearest.
The most recent price we saw on this route was $240 on Frontier, seen Oct 16. It is an unverified observation and may have changed.
See every deal <a href="/from/san-antonio">from San Antonio</a>, <a href="/to/san-diego">to San Diego</a>, or the return direction <a href="/from/san-diego/to/san-antonio">San Diego to San Antonio</a>.
Latest price we saw: San Antonio to San Diego
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| San Antonio (SAT) to San Diego (SAN) | $240 | 10.6¢ | Nov 7 – Nov 14 | Frontier | Oct 16 | Check price |
Price history: San Antonio to San Diego
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $148 | $241 | 80 |
| Sep 2026 | $109 | $257 | 95 |
| Aug 2026 | $164 | $265 | 121 |
| Jul 2026 | $257 | $257 | 1 |
Frequently asked questions
How many flight deals from San Antonio to San Diego are on Sparkflights right now?
There are 0 verified deals from San Antonio to San Diego on the board right now. The list refreshes hourly.
What is the lowest price ever seen from San Antonio to San Diego?
The lowest fare we've recorded from San Antonio to San Diego is $109, based on 297 price observations over 4 months.
How much does a flight from San Antonio to San Diego cost?
The typical round-trip fare we observed from San Antonio to San Diego is $255, against a recorded low of $109. These are observations, not quotes.
When is the cheapest month to fly San Antonio to San Diego?
September was the cheapest month we observed from San Antonio to San Diego and July the dearest, over 4 months of data.
What is the current price from San Antonio to San Diego?
The most recent fare our sweep saw from San Antonio to San Diego is $240, on Oct 16. It is an unverified observation rather than a verified deal, so check it before booking.