$100+ Cheap flights from San Antonio to San Diego (SAT - SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SAN
Dec 9 — Dec 161
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Antonio to San Diego are usually found in April or October, booked 61 days in advance, depart on a Thursday or Wednesday and return on a Thursday
Cheap flight deals from San Antonio to San Diego
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Antonio to San DiegoExplore the most affordable flight options available from San Antonio to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 9, 2026.
Explore the most affordable flight options available from San Antonio to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:56 pm -
1 stop12h 14m
Wed 12/98:57 am -
1 stop11h 00m
Deal found 11/9![Frontier logo]()
$164
This Cheapflightsfares deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:44 pm -
1 stop17h 37m
Wed 12/98:57 am -
1 stop11h 00m
Deal found 11/4![Frontier logo]()
$198
This Cheapflightsfares deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:03 pm -
1 stop17h 34m
Thu 12/311:16 am -
1 stop6h 40m
Deal found 11/5![Frontier logo]()
$202
This Booking.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:47 pm -
1 stop7h 11m
Mon 12/1411:14 am -
1 stop6h 48m
Deal found 11/6![Frontier logo]()
$204
This Cheapflightsfares deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/108:47 pm -
1 stop15h 32m
Mon 12/146:30 am -
1 stop11h 32m
Deal found 11/4![Frontier logo]()
$206
This Frontier deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:44 pm -
1 stop7h 13m
Sat 12/56:30 am -
1 stop9h 31m
Deal found 11/6![Frontier logo]()
$210
This Mytrip deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:11 pm -
1 stop11h 44m
Tue 12/16:30 am -
1 stop9h 29m
Deal found 11/5![Frontier logo]()
$212
This Booking.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/197:15 pm -
1 stop19h 09m
Mon 12/211:14 pm -
1 stop19h 39m
Deal found 11/5![Frontier logo]()
$216
This Cheapflightsfares deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:11 pm -
1 stop11h 44m
Wed 12/26:30 am -
1 stop9h 29m
Deal found 11/5![Frontier logo]()
$218
This Mytrip deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/171:34 pm -
1 stop24h 55m
Mon 12/211:14 pm -
1 stop19h 39m
Deal found 11/7![Frontier logo]()
$220
Best flights from San Antonio to San DiegoDiscover carefully curated flight deals from San Antonio to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 9, 2026.
Discover carefully curated flight deals from San Antonio to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 9, 2026.
This Southwest deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1212:40 pm -
1 stop5h 10m
Tue 12/156:00 pm -
Nonstop2h 45m
Deal found 11/5![Southwest logo]()
$267
This Southwest deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1711:55 am -
1 stop6h 00m
Mon 12/217:50 pm -
Nonstop2h 45m
Deal found 11/7![Southwest logo]()
$319
This Southwest deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:20 am -
1 stop7h 00m
Sun 12/137:15 pm -
Nonstop2h 40m
Deal found 11/5![Southwest logo]()
$356
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/118:20 pm -
1 stop4h 35m
Mon 2/156:35 am -
1 stop7h 50m
Deal found 11/4![Southwest logo]()
$366
This Southwest deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/2912:00 pm -
1 stop6h 50m
Thu 2/1111:35 am -
Nonstop2h 30m
Deal found 11/7![Southwest logo]()
$403
This Southwest deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/241:50 pm -
2 stops7h 05m
Thu 12/3112:35 pm -
2 stops7h 10m
Deal found 11/9![Southwest logo]()
$403
This Southwest deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/154:30 pm -
2 stops6h 30m
Mon 1/188:10 am -
2 stops7h 35m
Deal found 11/7![Southwest logo]()
$413
This Southwest deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/51:55 pm -
Nonstop3h 00m
Wed 12/99:15 am -
Nonstop2h 45m
Deal found 11/6![Southwest logo]()
$424
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/218:05 pm -
Nonstop2h 55m
Tue 12/296:15 pm -
1 stop5h 40m
Deal found 11/4![Southwest logo]()
$445
Last-minute flights from San Antonio to San DiegoDiscover last-minute flight deals from San Antonio to San Diego. Data last updated November 9, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to San Diego. Data last updated November 9, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:11 pm -
1 stop11h 44m
Wed 12/26:30 am -
1 stop9h 29m
Deal found 11/5![Frontier logo]()
$218
This Mytrip deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:11 pm -
1 stop11h 44m
Tue 12/16:30 am -
1 stop9h 29m
Deal found 11/5![Frontier logo]()
$212
This Cheapflightsfares deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:03 pm -
1 stop17h 34m
Thu 12/311:16 am -
1 stop6h 40m
Deal found 11/5![Frontier logo]()
$202
This Cheapflightsfares deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:44 pm -
1 stop17h 37m
Wed 12/98:57 am -
1 stop11h 00m
Deal found 11/4![Frontier logo]()
$198
This Frontier deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:44 pm -
1 stop7h 13m
Sat 12/56:30 am -
1 stop9h 31m
Deal found 11/6![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:56 pm -
1 stop12h 14m
Wed 12/98:57 am -
1 stop11h 00m
Deal found 11/9![Frontier logo]()
$164
This Cheapflightsfares deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/108:47 pm -
1 stop15h 32m
Mon 12/146:30 am -
1 stop11h 32m
Deal found 11/4![Frontier logo]()
$206
This Booking.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:47 pm -
1 stop7h 11m
Mon 12/1411:14 am -
1 stop6h 48m
Deal found 11/6![Frontier logo]()
$204
This Mytrip deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/171:34 pm -
1 stop24h 55m
Mon 12/211:14 pm -
1 stop19h 39m
Deal found 11/7![Frontier logo]()
$220
This Booking.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/197:15 pm -
1 stop19h 09m
Mon 12/211:14 pm -
1 stop19h 39m
Deal found 11/5![Frontier logo]()
$216
One-way flights from San Antonio to San DiegoSearch for one-way flight options from San Antonio to San Diego. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.
Search for one-way flight options from San Antonio to San Diego. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:47 pm -
1 stop7h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:47 pm -
1 stop7h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Frontier logo]()
$101
This Cheapflightsfares deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:44 pm -
1 stop7h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2311:48 am -
1 stop26h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Frontier logo]()
$105
This Cheapflightsfares deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2710:11 pm -
1 stop11h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Frontier logo]()
$108
This Cheapflightsfares deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/197:15 pm -
1 stop19h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Frontier logo]()
$109
This Booking.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:49 pm -
1 stop24h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Frontier logo]()
$110
This Cheapflightsfares deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:20 pm -
1 stop5h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/411:48 am -
1 stop26h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/58:24 pm -
1 stop5h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Frontier logo]()
$121
Find flight deals from San Antonio to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $164 (Kiwi.com) |
One-way from | $100 (Cheapflightsfares) |
Popular in | July |
Cheapest in | April |
Average price | $414 |
Good round-trip deal | $341 or less |
Good one-way deal | $218 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 9, 2026.
Use the filters below to find and compare flights from San Antonio to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San AntonioSan Diego
SAT San Antonio - SAN San Diego
SATSAN
San Antonio
Tue 12/8
6:55 am-7:55 am
Nonstop3h 00m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$140
San AntonioSan Diego
SAT San Antonio - SAN San Diego
SATSAN
San Antonio
Sun 12/6
8:47 pm-10:19 am
1 stop15h 32m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$144
San AntonioSan Diego
SAT San Antonio - SAN San Diego
SATSAN
San Antonio
Sat 12/12
1:50 pm-8:08 pm
2 stops8h 18m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$155
San AntonioSan Diego
SAT San Antonio - SAN San Diego
SATSAN
San Antonio
Fri 1/1
6:55 am-7:55 am
Nonstop3h 00m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$165
San AntonioSan Diego
SAT San Antonio - SAN San Diego
SATSAN
San Antonio
Fri 12/25
6:55 am-7:55 am
Nonstop3h 00m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$165
San AntonioSan Diego
SAT San Antonio - SAN San Diego
SATSAN
San Antonio
Sat 2/20
5:15 am-2:58 pm
2 stops11h 43m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$194
San AntonioSan Diego
SAT San Antonio - SAN San Diego
SATSAN
San Antonio
Wed 12/2
5:15 am-6:12 pm
3 stops14h 57m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$199
San AntonioSan Diego
SAT San Antonio - SAN San Diego
SATSAN
San Antonio
Sat 2/13
6:35 am-4:09 pm
2 stops11h 34m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$210
San AntonioSan Diego
SAT San Antonio - SAN San Diego
SATSAN
San Antonio
Sat 12/5
5:15 am-6:12 pm
3 stops14h 57m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$215
San AntonioSan Diego
SAT San Antonio - SAN San Diego
SATSAN
San Antonio
Sat 12/12
1:55 pm-2:55 pm
Nonstop3h 00m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$229
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from San Antonio to San Diego
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to San Diego in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Antonio-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Antonio-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Antonio to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from San Antonio with our price prediction graph.
SAT-SAN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Antonio to San Diego
Prices
More
How far ahead should I book a flight from San Antonio to San Diego?
To ensure you get the cheapest price possible for a flight from San Antonio to San Diego, you should look to book at least 60 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from San Antonio to San Diego?
Currently, April is the cheapest month in which you can book a flight from San Antonio to San Diego (average of $379). Flying from San Antonio to San Diego in July is currently the most expensive (average of $466). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SAT to SAN?
Find hourly flight availability from San Antonio to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 9, 2026.
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 morning tend to be the most expensive. A flight at noon could potentially save you up to 26% on airfare.
What’s the top layover airport for flights from San Antonio to San Diego?
Share of 1-stop round-trip flights from San Antonio to San Diego chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 89% of 1-stop itineraries from San Antonio to San Diego on Cheapflights.
What’s the cheapest layover airport for flights from San Antonio to San Diego?
Average round-trip fare for 1-stop flights from San Antonio to San Diego, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $213.
What’s the fastest layover option from San Antonio to San Diego?
Shortest average travel time for 1-stop one-way flights from San Antonio to San Diego, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Phoenix (PHX) have the shortest average one-way travel time for 1-stop routes: 4h 29m.
Which airport typically offers the quickest layover for flights from San Antonio to San Diego?
Average layover duration for 1-stop one-way flights from San Antonio to San Diego, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Phoenix (PHX) offer the fastest connection on this route, with an average layover time of 0h 56m.
The best insider tips for San Antonio to San Diego flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Antonio to San Diego trip
Our travel experts
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated November 9, 2026.
Read through reviews of airlines operating flights from San Antonio to San Diego, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Boarding
8.1
Entertainment
7.4
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Boarding
8.1
Entertainment
7.4
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Boarding
8.1
Entertainment
7.4
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Boarding
8.1
Entertainment
7.4
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Boarding
8.1
Entertainment
7.4
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Boarding
8.1
Entertainment
7.4
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from San Antonio to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
San Ysidro
Poway
Coronado
La Mesa
Julian
Santee
Lemon Grove
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Top 5 airlines flying from San Antonio to San Diego
Discover the top 5 airlines that operate flights from San Antonio to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$153 | Average$267 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$194 | Average$337 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$207 | Average$396 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$231 | Average$395 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$280 | Average$440 | FlexibilityNo cancel fee | On-time63% |