Cheap flights from San Antonio to San Diego from $91
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 10/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
San AntonioSan Diego
SAT San Antonio - SAN San Diego
SATSAN
San Antonio
Wed 10/28
8:20 pm-4:08 pm
1 stop21h 48m
San Diego
Wed 11/4
6:25 am-7:25 pm
1 stop11h 00m
San AntonioSan Diego
SAT San Antonio - SAN San Diego
SATSAN
San Antonio
Wed 10/28
8:20 pm-4:08 pm
1 stop21h 48m
San Diego
Sat 11/7
6:25 am-7:25 pm
1 stop11h 00m
San AntonioSan Diego
SAT San Antonio - SAN San Diego
SATSAN
San Antonio
Fri 11/6
7:00 pm-8:00 pm
Nonstop3h 00m
San Diego
Fri 11/13
7:15 pm-11:55 pm
Nonstop2h 40m
San AntonioSan Diego
SAT San Antonio - SAN San Diego
SATSAN
San Antonio
Fri 10/30
7:30 pm-8:30 pm
Nonstop3h 00m
San Diego
Mon 11/2
7:15 pm-11:50 pm
Nonstop2h 35m
San AntonioSan Diego
SAT San Antonio - SAN San Diego
SATSAN
San Antonio
Tue 10/27
6:00 am-10:27 am
1 stop6h 27m
San Diego
Tue 10/27
3:07 pm-10:57 pm
1 stop5h 50m
San AntonioSan Diego
SAT San Antonio - SAN San Diego
SATSAN
San Antonio
Mon 11/2
8:16 pm-11:56 pm
1 stop5h 40m
San Diego
Mon 11/9
3:13 pm-12:04 am
1 stop6h 51m
San AntonioSan Diego
SAT San Antonio - SAN San Diego
SATSAN
San Antonio
Thu 11/12
4:48 pm-10:30 pm
1 stop7h 42m
San Diego
Mon 11/16
4:01 pm-11:52 pm
1 stop5h 51m
San AntonioSan Diego
SAT San Antonio - SAN San Diego
SATSAN
San Antonio
Mon 1/25
8:00 am-12:33 pm
1 stop6h 33m
San Diego
Thu 1/28
6:15 am-5:18 pm
1 stop9h 03m
San AntonioSan Diego
SAT San Antonio - SAN San Diego
SATSAN
San Antonio
Fri 11/6
2:20 pm-5:53 pm
1 stop5h 33m
San Diego
Fri 11/13
3:04 pm-10:51 pm
1 stop5h 47m
San AntonioSan Diego
SAT San Antonio - SAN San Diego
SATSAN
San Antonio
Sat 11/21
7:45 am-10:54 pm
2 stops17h 09m
San Diego
Thu 11/26
8:00 am-7:48 pm
1 stop9h 48m
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 typical price of a round-trip flight between San Antonio and San Diego?
Prices are currently low for flights on this route.
Typical prices usually range from $308 to $438.The lowest price recently found on this route was $188.
What is the cheapest month to fly to San Diego?
If you are unable to visit San Diego during the month of October, then departing from San Antonio during the month April is also very affordable. Most momondo users find prices during this month for around $379.
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 Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $430. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $549. 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 in the afternoon when flights can be purchased for as low as $408. Flights in the morning are often more expensive with an average ticket price of $475.
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 from San Antonio to San Diego?
You are more likely to see cheaper flights to San Diego from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $406 when searching 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 $287 on momondo.
What cabin class options are available on San Antonio to San Diego flights?
There is only 1 cabin class 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?
Delta and Southwest are the most popular carriers operating from San Antonio to San Diego
What airlines fly to San Diego?
Southwest, American Airlines and Frontier are the top three most popular airlines that fly to San Diego from San Antonio according to our data. Southwest 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 7 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between San Antonio and San Diego?
Dallas (DFW) was the most common stop: 22% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from San Antonio to San Diego?
Flights via Las Vegas (LAS) offer the lowest average round-trip price of $210.
Which layover airport has the shortest travel time from San Antonio to San Diego?
Flights connecting via Phoenix (PHX) have the shortest average one-way travel time: 5h 10m.
Which layover airport has the shortest connection time from San Antonio to San Diego?
Dallas (DFW) has the shortest average layover time for this route: 1h 03m.
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
Frequently asked questions about flying from San Antonio to San Diego
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 2h 55m.
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 October 2026, there are 5 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 737-800 Passenger/BBJ2 (winglets), representing 36.70% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 34.57%, Airbus A320-100/200 at 3.72%, and Embraer 175 at 3.19%.
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 Southwest, making up 44% of the total bookings. Other popular airlines include American Airlines with 25%, Frontier with 19%, and United Airlines with 8%.
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 $150 | Free Cancellation | Rating 5.6 2,551 reviews | |||
| PriceFrom $207 | Free Cancellation | Rating 7.4 10,322 reviews | |||
| PriceFrom $222 | Free Cancellation | Rating 7.0 12,146 reviews | |||
| PriceFrom $225 | Free Cancellation | Rating 7.8 8,646 reviews | |||
| PriceFrom $317 | Free Cancellation | Rating 7.9 4,224 reviews |
Southwest Flights From San Antonio to San Diego
Southwest flies from San Antonio to San Diego around 4 times per week, with 4,222 momondo users rating the airline 7.9/10. The cheapest Southwest deal from San Antonio to San Diego in the last 72 hours was $317 (round-trip), much lower than the average airfare cost of $446 for Southwest flights on this route.
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.