$49+ Cheap flights from San Antonio to San Diego (SAT - SAN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SAN
Mar 15 — Mar 221
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 October or August, booked 65 days in advance, depart on a Wednesday or Thursday and return on a Wednesday
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 February 13, 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 February 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Fri 3/66:45 am
SAT
- SAN
1 stop19h 23m
Frontier
Mon 3/99:58 pm
SAN
- SAT
2 stops24h 19m
Frontier
Deal found 2/12![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 2/12. 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.
Thu 2/268:20 pm
SAT
- SAN
1 stop5h 48m
Frontier
Sun 3/16:25 am
SAN
- SAT
1 stop9h 57m
Frontier
Deal found 2/12![Frontier logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/910:05 am
SAT
- SAN
1 stop12h 28m
Frontier
Thu 3/129:18 pm
SAN
- SAT
1 stop9h 48m
Frontier
Deal found 2/11![Frontier logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 4/26:45 am
SAT
- SAN
1 stop19h 20m
Frontier
Sun 4/59:56 pm
SAN
- SAT
2 stops48h 23m
Frontier
Deal found 2/12![Frontier logo]()
$265
This United Airlines deal was found by Cheapflights users on 2/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/184:16 pm
SAT
- SAN
1 stop5h 48m
United Airlines
Wed 5/2010:55 am
SAN
- SAT
2 stops7h 54m
United Airlines
Deal found 2/12![United Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Sat 3/2110:05 am
SAT
- SAN
1 stop12h 28m
Frontier
Sat 4/49:28 pm
SAN
- SAT
2 stops16h 17m
Frontier
Deal found 2/11![Frontier logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Fri 2/278:22 pm
SAT
- SAN
1 stop29h 46m
Frontier
Mon 3/22:00 pm
SAN
- SAT
2 stops21h 45m
Frontier
Deal found 2/12![Frontier logo]()
$269
This Frontier deal was found by Cheapflights users on 2/12. 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.
Thu 4/211:38 am
SAT
- SAN
1 stop10h 29m
Frontier
Fri 4/108:54 pm
SAN
- SAT
1 stop11h 49m
Frontier
Deal found 2/12![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 2/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:12 pm
SAT
- SAN
1 stop19h 02m
Frontier
Sun 3/16:25 am
SAN
- SAT
1 stop9h 57m
Frontier
Deal found 2/12![Frontier logo]()
$272
This United Airlines deal was found by Cheapflights users on 2/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:20 pm
SAT
- SAN
1 stop7h 33m
United Airlines
Sun 8/236:15 am
SAN
- SAT
1 stop7h 18m
United Airlines
Deal found 2/11![United Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Fri 3/610:05 am
SAT
- SAN
1 stop16h 03m
Frontier
Sat 3/149:18 pm
SAN
- SAT
1 stop9h 48m
Frontier
Deal found 2/11![Frontier logo]()
$274
This Delta deal was found by Cheapflights users on 2/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/315:55 pm
SAT
- SAN
1 stop7h 53m
Delta
Tue 4/79:55 pm
SAN
- SAT
1 stop10h 00m
Delta
Deal found 2/12![Delta logo]()
$275
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 February 13, 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 February 13, 2026.
This United Airlines deal was found by Cheapflights users on 2/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:30 am
SAT
- SAN
1 stop5h 35m
United Airlines
Sat 7/46:20 am
SAN
- SAT
2 stops8h 35m
United Airlines
Deal found 2/8![United Airlines logo]()
$222
This Southwest deal was found by Cheapflights users on 2/9. 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.
Wed 4/156:35 pm
SAT
- SAN
Nonstop3h 00m
Southwest
Thu 4/163:35 pm
SAN
- SAT
1 stop5h 20m
Southwest
Deal found 2/9![Southwest logo]()
$291
This Delta deal was found by Cheapflights users on 2/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:35 am
SAT
- SAN
1 stop6h 38m
Delta
Wed 2/2510:15 pm
SAN
- SAT
1 stop9h 45m
Delta
Deal found 2/12![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 2/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/206:02 pm
SAT
- SAN
2 stops7h 57m
United Airlines
Tue 6/236:15 am
SAN
- SAT
1 stop7h 18m
United Airlines
Deal found 2/12![United Airlines logo]()
$265
This Delta deal was found by Cheapflights users on 2/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:30 am
SAT
- SAN
1 stop8h 05m
Delta
Mon 8/105:00 pm
SAN
- SAT
1 stop5h 44m
Delta
Deal found 2/11![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 2/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:02 pm
SAT
- SAN
1 stop5h 22m
United Airlines
Mon 7/206:20 am
SAN
- SAT
2 stops8h 35m
United Airlines
Deal found 2/9![United Airlines logo]()
$294
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/121:37 pm
SAT
- SAN
1 stop8h 59m
Delta
Wed 3/186:20 am
SAN
- SAT
1 stop6h 18m
Delta
Deal found 2/9![Delta logo]()
$298
This United Airlines deal was found by Cheapflights users on 2/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:30 am
SAT
- SAN
1 stop5h 35m
United Airlines
Thu 6/113:04 pm
SAN
- SAT
1 stop5h 38m
United Airlines
Deal found 2/8![United Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 2/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:02 pm
SAT
- SAN
1 stop5h 22m
United Airlines
Mon 6/13:04 pm
SAN
- SAT
1 stop5h 38m
United Airlines
Deal found 2/8![United Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 2/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:58 pm
SAT
- SAN
1 stop6h 02m
United Airlines
Tue 3/36:30 am
SAN
- SAT
1 stop8h 25m
United Airlines
Deal found 2/11![United Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 2/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/251:25 pm
SAT
- SAN
1 stop5h 51m
United Airlines
Sun 4/268:39 pm
SAN
- SAT
2 stops10h 03m
United Airlines
Deal found 2/9![United Airlines logo]()
$302
This United Airlines deal was found by Cheapflights users on 2/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/104:35 pm
SAT
- SAN
1 stop6h 11m
United Airlines
Fri 8/148:50 pm
SAN
- SAT
2 stops9h 58m
United Airlines
Deal found 2/8![United Airlines logo]()
$302
Last-minute flights from San Antonio to San DiegoDiscover last-minute flight deals from San Antonio to San Diego. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to San Diego. Data last updated February 13, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 2/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/145:00 am
SAT
- SAN
1 stop5h 39m
American Airlines
Wed 2/187:10 am
SAN
- SAT
1 stop7h 54m
American Airlines
Deal found 2/11![American Airlines logo]()
$277
This CheapOair deal was found by Cheapflights users on 2/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:12 pm
SAT
- SAN
1 stop19h 02m
Frontier
Sun 3/16:25 am
SAN
- SAT
1 stop9h 57m
Frontier
Deal found 2/12![Frontier logo]()
$272
This Priceline deal was found by Cheapflights users on 2/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:20 pm
SAT
- SAN
1 stop5h 48m
Frontier
Sun 3/16:25 am
SAN
- SAT
1 stop9h 57m
Frontier
Deal found 2/11![Frontier logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 2/268:20 pm
SAT
- SAN
2 stops25h 03m
Frontier
Tue 3/106:25 am
SAN
- SAT
1 stop15h 52m
Frontier
Deal found 2/11![Frontier logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Fri 2/278:22 pm
SAT
- SAN
1 stop29h 46m
Frontier
Mon 3/22:00 pm
SAN
- SAT
2 stops21h 45m
Frontier
Deal found 2/12![Frontier logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Fri 3/66:45 am
SAT
- SAN
1 stop19h 23m
Frontier
Mon 3/99:58 pm
SAN
- SAT
2 stops24h 19m
Frontier
Deal found 2/12![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Fri 3/610:05 am
SAT
- SAN
1 stop16h 03m
Frontier
Sat 3/149:18 pm
SAN
- SAT
1 stop9h 48m
Frontier
Deal found 2/11![Frontier logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/910:05 am
SAT
- SAN
1 stop12h 28m
Frontier
Thu 3/129:18 pm
SAN
- SAT
1 stop9h 48m
Frontier
Deal found 2/11![Frontier logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Sun 3/1510:05 am
SAT
- SAN
2 stops39h 19m
Frontier
Thu 3/198:39 pm
SAN
- SAT
1 stop12h 01m
Frontier
Deal found 2/12![Frontier logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Sat 3/2110:05 am
SAT
- SAN
1 stop12h 28m
Frontier
Sat 4/49:28 pm
SAN
- SAT
2 stops16h 17m
Frontier
Deal found 2/11![Frontier logo]()
$268
This Delta deal was found by Cheapflights users on 2/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/315:55 pm
SAT
- SAN
1 stop7h 53m
Delta
Tue 4/79:55 pm
SAN
- SAT
1 stop10h 00m
Delta
Deal found 2/12![Delta logo]()
$275
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 February 13, 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 February 13, 2026.
This Trip.com deal was found by Cheapflights users on 2/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:14 pm
SAT
- SAN
1 stop9h 52m
Frontier
Deal found 2/11![Frontier logo]()
$49
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 4/143:14 pm
SAT
- SAN
1 stop6h 50m
Frontier
Deal found 2/10![Frontier logo]()
$52
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 5/123:14 pm
SAT
- SAN
1 stop9h 52m
Frontier
Deal found 2/11![Frontier logo]()
$55
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Sat 5/93:34 pm
SAT
- SAN
1 stop6h 30m
Frontier
Deal found 2/9![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 4/77:45 am
SAT
- SAN
1 stop18h 17m
Frontier
Deal found 2/11![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 4/163:14 pm
SAT
- SAN
1 stop10h 47m
Frontier
Deal found 2/11![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 5/73:14 pm
SAT
- SAN
1 stop10h 47m
Frontier
Deal found 2/9![Frontier logo]()
$84
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 February 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $173 (Kiwi.com) |
One-way from | $49 (Trip.com) |
Popular in | November |
Cheapest in | October |
Average price | $399 |
Good round-trip deal | $418 or less |
Good one-way deal | $181 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 2,558,603 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from San Antonio to San Diego that are best for you.
Fly from
San Antonio
Fly to
San Diego
Route
Depart
Return
Price
San AntonioSan Diego
SAT - SAN
SATSAN
San Antonio
Tue 6/30
5:30 am-9:05 am
1 stop5h 35m
San Diego
Sat 7/4
6:20 am-4:55 pm
2 stops8h 35m
$222
San AntonioSan Diego
SAT - SAN
SATSAN
San Antonio
Sat 6/20
6:02 pm-11:59 pm
2 stops7h 57m
San Diego
Tue 6/23
6:15 am-3:33 pm
1 stop7h 18m
$265
San AntonioSan Diego
SAT - SAN
SATSAN
San Antonio
Wed 4/15
6:35 pm-7:35 pm
Nonstop3h 00m
San Diego
Thu 4/16
3:35 pm-10:55 pm
1 stop5h 20m
$291
San AntonioSan Diego
SAT - SAN
SATSAN
San Antonio
Mon 7/6
6:02 pm-9:24 pm
1 stop5h 22m
San Diego
Mon 7/20
6:20 am-4:55 pm
2 stops8h 35m
$294
San AntonioSan Diego
SAT - SAN
SATSAN
San Antonio
Wed 2/25
7:35 am-12:13 pm
1 stop6h 38m
San Diego
Wed 2/25
10:15 pm-10:00 am
1 stop9h 45m
$297
San AntonioSan Diego
SAT - SAN
SATSAN
San Antonio
Fri 8/7
5:30 am-11:35 am
1 stop8h 05m
San Diego
Mon 8/10
5:00 pm-12:44 am
1 stop5h 44m
$297
San AntonioSan Diego
SAT - SAN
SATSAN
San Antonio
Sat 6/6
5:30 am-9:05 am
1 stop5h 35m
San Diego
Thu 6/11
3:04 pm-10:42 pm
1 stop5h 38m
$297
San AntonioSan Diego
SAT - SAN
SATSAN
San Antonio
Thu 5/28
6:02 pm-9:24 pm
1 stop5h 22m
San Diego
Mon 6/1
3:04 pm-10:42 pm
1 stop5h 38m
$297
San AntonioSan Diego
SAT - SAN
SATSAN
San Antonio
Sat 2/28
5:58 pm-10:00 pm
1 stop6h 02m
San Diego
Tue 3/3
6:30 am-4:55 pm
1 stop8h 25m
$297
San AntonioSan Diego
SAT - SAN
SATSAN
San Antonio
Thu 3/12
1:37 pm-8:36 pm
1 stop8h 59m
San Diego
Wed 3/18
6:20 am-2:38 pm
1 stop6h 18m
$298
Showing 1-10 of 22 results
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 February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 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
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How far ahead should I book a flight from San Antonio to San Diego?
Use this chart to determine the optimal time to book a round-trip flight from San Antonio to San Diego. Price data was last updated on February 6, 2026.
To ensure you get the cheapest price possible for a flight from San Antonio to San Diego, you should look to book at least 65 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, December is the cheapest month in which you can book a flight from San Antonio to San Diego (average of $70). Flying from San Antonio to San Diego in July is currently the most expensive (average of $132). 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 February 13, 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 at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 9% 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 50% 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.
Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $253.
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 February 13, 2026.
Read through reviews of airlines operating flights from San Antonio to San Diego, such as Southwest, Delta, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
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
Chula Vista
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove
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San Antonio and San Diego flights
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Top 7 airlines flying from San Antonio to San Diego
Discover the top 7 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 2,558,603 searches. Data last updated February 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$186 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$110 | Average$242 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$206 | Average$388 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$227 | Average$402 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$231 | Average$416 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$428 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$292 | Average$448 | FlexibilityNo cancel fee | On-time63% |