Cheap flights from San Antonio to San Diego from $55
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to San Diego departing on 4/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from San Antonio to San Diego
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Cheap bus & train deals from San Antonio to San Diego
All round-trip flight deals from San Antonio to San Diego
Spirit Airlines flights from San Antonio to San Diego
Our best Spirit Airlines deals on San Antonio to San Diego flight tickets
Frontier flights from San Antonio to San Diego
Our best Frontier deals on San Antonio to San Diego flight tickets
See travel insights to San Diego from
How to get the cheapest flight ticket from San Antonio to San Diego
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to San Diego?
If you are unable to visit San Diego during the month of August, then departing from San Antonio during the month February is also very affordable. Most momondo users find prices during this month for around $275.
What is the cheapest day to depart on your flight to San Diego?
The cheapest day to depart from San Antonio to San Diego is on a Tuesday. Travelers who choose to depart for San Diego on a Tuesday will often find tickets for as low as $311. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $437. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.
What is the cheapest time of day to depart on your flight to San Diego?
The cheapest time of day to fly to San Diego is at noon when flights can be purchased for as low as $323. Flights in the morning are often more expensive with an average ticket price of $467.
What is the cheapest San Antonio to San Diego flight route?
Fly from San Antonio to San Diego for the best San Antonio - San Diego flight prices
How far in advance should I book a flight to San Diego?
You are more likely to see cheaper flights to San Diego from San Antonio when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $355 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from San Antonio for as low as $221 on momondo.
What cabin class options are available on San Antonio to San Diego flights?
There are 1 cabin classes available to choose from on San Antonio to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from San Antonio to San Diego?
Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from San Antonio to San Diego
What airlines fly to San Diego?
American Airlines, Alaska Airlines and Southwest are the top three most popular airlines that fly to San Diego from San Antonio according to our data. American Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 9 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Antonio to San Diego on average per day?
2 flights are operational daily from San Antonio to San Diego as of January 2025. The most popular departure time for this route is 7:00PM, with 57% of flights per day taking off in the evening.
How many flights depart from San Antonio to San Diego on average per week?
As of January 2025, 14 flights take off from San Antonio and land in San Diego each week. The most common flight departure day for this route is Mon, with 21% of weekly flights taking off on this day.
When to book flights from San Antonio to San Diego
Cheap San Antonio to San Diego (SAT to SAN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Antonio to San Diego
Best Price Found | $55 |
|---|---|
Fastest flight time | 2h 50m |
Direct flights | Mon, Tue, Wed, Sat and Sun |
Airports in San Diego | 1 airport |
How far is San Antonio to San Diego by plane?
The straight-line distance from San Antonio to San Diego is 1125.3 mi. By plane, this route typically takes 3h 00m.
When did momondo last update prices for flights from San Antonio Airport to San Diego Airport?
Prices for flights from San Antonio Airport to San Diego Airport were last updated today.
How many operators does momondo search for flights from San Antonio Airport to San Diego Airport?
As of January 2025, there are 7 operators available to choose from for flights from San Antonio Airport to San Diego Airport.
How old do you have to be to fly from San Antonio Airport to San Diego Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from San Antonio to San Diego?
momondo data reveals that the most frequently booked plane model on the route from San Antonio to San Diego is Boeing 737-700 Passenger/BBJ1 (winglets), representing 65.33% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 6.67%, Airbus A321neo at 5.33%, and Airbus A320neo at 4.00%.
What is the most popular airline from San Antonio to San Diego?
Based on momondo bookings for flights between San Antonio and San Diego, the leading airline is American Airlines, making up 37% of the total bookings. Other popular airlines include Spirit Airlines with 22%, Southwest with 16%, and Frontier with 14%.
Best airlines flying from San Antonio to San Diego
Compare and see reviews for airlines that fly from San Antonio to San Diego with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $98 | Free Cancellation | Rating 6.0 3,441 reviews | |||
| PriceFrom $130 | Free Cancellation | Rating 6.3 8,111 reviews | |||
| PriceFrom $166 | Free Cancellation | Rating 8.0 9,707 reviews | |||
| PriceFrom $239 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $295 | Free Cancellation | Rating 8.0 8,512 reviews | |||
| PriceFrom $338 | Free Cancellation | Rating 8.1 4,654 reviews | |||
| PriceFrom $356 | Free Cancellation | Rating 7.4 8,975 reviews |
Southwest Flights From San Antonio to San Diego
Southwest flies from San Antonio to San Diego around 7 times per week, with 4,654 momondo users rating the airline 8.1/10. The cheapest Southwest deal from San Antonio to San Diego in the last 72 hours was $338 (round-trip), much lower than the average airfare cost of $457 for Southwest flights on this route.
United Airlines Flights From San Antonio to San Diego
$356 is the best United Airlines flight deal from San Antonio to San Diego found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $483, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,975 user reviews) flies into San Diego from San Antonio 7 times in an average week so prices can vary.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from San Antonio to San Diego?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Diego from San Antonio.
Can I find flights from San Antonio to San Diego with flexible booking policies on momondo?
All flight searches from San Antonio to San Diego on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from San Antonio to San Diego?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Antonio to San Diego.
I’m not ready to book a flight from San Antonio to San Diego right now. Can momondo alert me if prices change?
Price alerts on flights to San Diego from San Antonio are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.