$99+ Cheap flights from San Diego to San Antonio (SAN - SAT)
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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SAT
Jun 6 — Jun 131
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Diego to San Antonio 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 Diego to San Antonio are usually found in October or August, booked 48 days in advance, depart on a Wednesday or Tuesday and return on a Thursday
Cheap flight deals from San Diego to San Antonio
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Diego to San AntonioExplore the most affordable flight options available from San Diego to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2026.
Explore the most affordable flight options available from San Diego to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2026.
This Southwest deal was found by Cheapflights users on 5/5. 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.
Thu 5/286:30 am
SAN
- SAT
1 stop6h 00m
Southwest
Thu 5/285:45 pm
SAT
- SAN
1 stop5h 20m
Southwest
Deal found 5/5![Southwest logo]()
$197
This Expedia deal was found by Cheapflights users on 5/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:25 am
SAN
- SAT
1 stop10h 34m
Frontier
Mon 6/88:59 pm
SAT
- SAN
1 stop13h 49m
Frontier
Deal found 5/4![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 5/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:37 am
SAN
- SAT
1 stop7h 22m
Frontier
Wed 6/37:54 pm
SAT
- SAN
1 stop5h 56m
Frontier
Deal found 5/4![Frontier logo]()
$210
This CheapOair deal was found by Cheapflights users on 5/2. 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.
Thu 5/286:25 am
SAN
- SAT
1 stop10h 34m
Frontier
Mon 6/17:54 pm
SAT
- SAN
1 stop14h 48m
Frontier
Deal found 5/2![Frontier logo]()
$211
This Booking.com deal was found by Cheapflights users on 5/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:37 am
SAN
- SAT
1 stop7h 22m
Frontier
Fri 5/297:54 pm
SAT
- SAN
1 stop14h 48m
Frontier
Deal found 5/4![Frontier logo]()
$212
This Frontier deal was found by Cheapflights users on 5/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:25 am
SAN
- SAT
1 stop10h 31m
Frontier
Wed 8/267:51 pm
SAT
- SAN
1 stop6h 02m
Frontier
Deal found 5/4![Frontier logo]()
$214
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2410:25 pm
SAN
- SAT
1 stop9h 27m
Delta
Wed 5/275:55 pm
SAT
- SAN
1 stop7h 48m
Delta
Deal found 5/6![Delta logo]()
$217
This Frontier deal was found by Cheapflights users on 5/6. 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.
Thu 6/49:43 am
SAN
- SAT
1 stop8h 31m
Frontier
Mon 6/87:54 pm
SAT
- SAN
1 stop5h 56m
Frontier
Deal found 5/6![Frontier logo]()
$219
This Trip.com deal was found by Cheapflights users on 5/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:37 am
SAN
- SAT
1 stop7h 22m
Frontier
Fri 5/297:54 pm
SAT
- SAN
1 stop14h 48m
Frontier
Deal found 5/4![Frontier logo]()
$224
This Expedia deal was found by Cheapflights users on 5/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:25 am
SAN
- SAT
1 stop10h 34m
Frontier
Sun 5/247:54 pm
SAT
- SAN
1 stop14h 48m
Frontier
Deal found 5/2![Frontier logo]()
$225
Best flights from San Diego to San AntonioDiscover carefully curated flight deals from San Diego to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 7, 2026.
Discover carefully curated flight deals from San Diego to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 7, 2026.
This Booking.com deal was found by Cheapflights users on 5/1. 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.
Tue 5/269:37 am
SAN
- SAT
1 stop7h 22m
Frontier
Fri 5/297:54 pm
SAT
- SAN
1 stop14h 48m
Frontier
Deal found 5/1![Frontier logo]()
$278
This Southwest deal was found by Cheapflights users on 5/6. 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.
Thu 5/287:35 pm
SAN
- SAT
Nonstop2h 40m
Southwest
Mon 6/18:20 pm
SAT
- SAN
1 stop5h 05m
Southwest
Deal found 5/6![Southwest logo]()
$286
This Southwest deal was found by Cheapflights users on 5/4. 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.
Tue 6/26:45 pm
SAN
- SAT
Nonstop2h 35m
Southwest
Mon 6/88:35 pm
SAT
- SAN
1 stop4h 50m
Southwest
Deal found 5/4![Southwest logo]()
$369
This Southwest deal was found by Cheapflights users on 5/2. 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.
Tue 6/26:45 pm
SAN
- SAT
Nonstop2h 35m
Southwest
Sat 6/66:45 am
SAT
- SAN
Nonstop2h 50m
Southwest
Deal found 5/2![Southwest logo]()
$374
This Southwest deal was found by Cheapflights users on 5/4. 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 6/48:25 pm
SAN
- SAT
Nonstop2h 45m
Southwest
Tue 6/306:20 am
SAT
- SAN
Nonstop2h 50m
Southwest
Deal found 5/4![Southwest logo]()
$374
This Southwest deal was found by Cheapflights users on 5/2. 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 6/17:35 pm
SAN
- SAT
Nonstop2h 40m
Southwest
Sat 6/66:30 pm
SAT
- SAN
Nonstop2h 45m
Southwest
Deal found 5/2![Southwest logo]()
$385
This Southwest deal was found by Cheapflights users on 5/3. 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.
Tue 6/99:55 am
SAN
- SAT
2 stops8h 20m
Southwest
Tue 6/161:40 pm
SAT
- SAN
2 stops7h 20m
Southwest
Deal found 5/3![Southwest logo]()
$400
This Southwest deal was found by Cheapflights users on 5/3. 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 6/107:25 pm
SAN
- SAT
Nonstop2h 50m
Southwest
Sun 6/147:35 pm
SAT
- SAN
Nonstop2h 45m
Southwest
Deal found 5/3![Southwest logo]()
$436
This Southwest deal was found by Cheapflights users on 5/1. 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 5/257:35 pm
SAN
- SAT
Nonstop2h 40m
Southwest
Fri 5/296:05 am
SAT
- SAN
Nonstop3h 00m
Southwest
Deal found 5/1![Southwest logo]()
$447
This Southwest deal was found by Cheapflights users on 5/5. 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.
Thu 5/213:50 pm
SAN
- SAT
1 stop6h 15m
Southwest
Thu 5/287:15 pm
SAT
- SAN
Nonstop3h 00m
Southwest
Deal found 5/5![Southwest logo]()
$493
This Southwest deal was found by Cheapflights users on 5/2. 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 6/124:10 pm
SAN
- SAT
2 stops7h 25m
Southwest
Sun 6/2111:35 am
SAT
- SAN
2 stops7h 40m
Southwest
Deal found 5/2![Southwest logo]()
$519
Last-minute flights from San Diego to San AntonioDiscover last-minute flight deals from San Diego to San Antonio. Data last updated May 7, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to San Antonio. Data last updated May 7, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 5/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:25 am
SAN
- SAT
1 stop10h 34m
Frontier
Sun 5/247:54 pm
SAT
- SAN
1 stop14h 48m
Frontier
Deal found 5/2![Frontier logo]()
$225
This Booking.com deal was found by Cheapflights users on 5/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:37 am
SAN
- SAT
1 stop7h 22m
Frontier
Fri 5/297:54 pm
SAT
- SAN
1 stop14h 48m
Frontier
Deal found 5/4![Frontier logo]()
$212
This Trip.com deal was found by Cheapflights users on 5/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:37 am
SAN
- SAT
1 stop7h 22m
Frontier
Fri 5/297:54 pm
SAT
- SAN
1 stop14h 48m
Frontier
Deal found 5/4![Frontier logo]()
$224
This Southwest deal was found by Cheapflights users on 5/5. 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.
Thu 5/286:30 am
SAN
- SAT
1 stop6h 00m
Southwest
Thu 5/285:45 pm
SAT
- SAN
1 stop5h 20m
Southwest
Deal found 5/5![Southwest logo]()
$197
This CheapOair deal was found by Cheapflights users on 5/2. 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.
Thu 5/286:25 am
SAN
- SAT
1 stop10h 34m
Frontier
Mon 6/17:54 pm
SAT
- SAN
1 stop14h 48m
Frontier
Deal found 5/2![Frontier logo]()
$211
This Expedia deal was found by Cheapflights users on 5/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:25 am
SAN
- SAT
1 stop10h 34m
Frontier
Mon 6/88:59 pm
SAT
- SAN
1 stop13h 49m
Frontier
Deal found 5/4![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 5/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:37 am
SAN
- SAT
1 stop7h 22m
Frontier
Wed 6/37:54 pm
SAT
- SAN
1 stop5h 56m
Frontier
Deal found 5/5![Frontier logo]()
$210
This Expedia deal was found by Cheapflights users on 5/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:37 am
SAN
- SAT
1 stop7h 22m
Frontier
Thu 6/47:54 pm
SAT
- SAN
1 stop5h 56m
Frontier
Deal found 5/5![Frontier logo]()
$214
This Frontier deal was found by Cheapflights users on 5/6. 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.
Thu 6/49:43 am
SAN
- SAT
1 stop8h 31m
Frontier
Mon 6/87:54 pm
SAT
- SAN
1 stop5h 56m
Frontier
Deal found 5/6![Frontier logo]()
$219
This Frontier deal was found by Cheapflights users on 5/6. 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.
Tue 6/169:43 am
SAN
- SAT
1 stop8h 28m
Frontier
Fri 6/197:51 pm
SAT
- SAN
1 stop6h 02m
Frontier
Deal found 5/6![Frontier logo]()
$230
One-way flights from San Diego to San AntonioSearch for one-way flight options from San Diego to San Antonio. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
Search for one-way flight options from San Diego to San Antonio. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
This Southwest deal was found by Cheapflights users on 5/5. 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.
Fri 5/297:35 pm
SAN
- SAT
Nonstop2h 40m
Southwest
Deal found 5/5![Southwest logo]()
$99
This Frontier deal was found by Cheapflights users on 5/2. 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 5/279:37 am
SAN
- SAT
1 stop7h 22m
Frontier
Deal found 5/2![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 6/309:43 am
SAN
- SAT
1 stop8h 28m
Frontier
Deal found 5/2![Frontier logo]()
$104
This Frontier deal was found by Cheapflights users on 5/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:04 am
SAN
- SAT
1 stop6h 50m
Frontier
Deal found 5/4![Frontier logo]()
$105
This Frontier deal was found by Cheapflights users on 5/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:25 am
SAN
- SAT
1 stop10h 34m
Frontier
Deal found 5/4![Frontier logo]()
$106
This Booking.com deal was found by Cheapflights users on 5/3. 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.
Mon 5/189:59 pm
SAN
- SAT
1 stop20h 15m
Frontier
Deal found 5/3![Frontier logo]()
$107
This Priceline deal was found by Cheapflights users on 5/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/110:04 am
SAN
- SAT
1 stop6h 52m
Frontier
Deal found 5/5![Frontier logo]()
$109
This Mytrip deal was found by Cheapflights users on 5/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/179:43 am
SAN
- SAT
1 stop8h 28m
Frontier
Deal found 5/4![Frontier logo]()
$111
This Priceline deal was found by Cheapflights users on 5/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/279:43 am
SAN
- SAT
1 stop8h 28m
Frontier
Deal found 5/6![Frontier logo]()
$115
This Super.com deal was found by Cheapflights users on 5/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:25 am
SAN
- SAT
1 stop10h 34m
Frontier
Deal found 5/5![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 5/266:25 am
SAN
- SAT
1 stop10h 34m
Frontier
Deal found 5/2![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 6/17:36 pm
SAN
- SAT
1 stop22h 38m
Frontier
Deal found 5/3![Frontier logo]()
$123
Find flight deals from San Diego to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to San Antonio (SAT). 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 May 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $197 (Southwest) |
One-way from | $99 (Southwest) |
Popular in | January |
Cheapest in | October |
Average price | $329 |
Good round-trip deal | $433 or less |
Good one-way deal | $288 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to San Antonio 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 May 7, 2026.
Use the filters below to find and compare flights from San Diego to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Tue 5/26
9:37 am-6:59 pm
1 stop7h 22m
San Antonio
Fri 5/29
7:54 pm-8:42 am
1 stop14h 48m
$278
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Thu 5/28
7:35 pm-12:15 am
Nonstop2h 40m
San Antonio
Mon 6/1
8:20 pm-11:25 pm
1 stop5h 05m
$286
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Tue 6/2
6:45 pm-11:20 pm
Nonstop2h 35m
San Antonio
Mon 6/8
8:35 pm-11:25 pm
1 stop4h 50m
$369
Quickest round-trip
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Tue 6/2
6:45 pm-11:20 pm
Nonstop2h 35m
San Antonio
Sat 6/6
6:45 am-7:35 am
Nonstop2h 50m
$374
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Thu 6/4
8:25 pm-1:10 am
Nonstop2h 45m
San Antonio
Tue 6/30
6:20 am-7:10 am
Nonstop2h 50m
$374
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Mon 6/1
7:35 pm-12:15 am
Nonstop2h 40m
San Antonio
Sat 6/6
6:30 pm-7:15 pm
Nonstop2h 45m
$385
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Tue 6/9
9:55 am-8:15 pm
2 stops8h 20m
San Antonio
Tue 6/16
1:40 pm-7:00 pm
2 stops7h 20m
$400
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Wed 6/10
7:25 pm-12:15 am
Nonstop2h 50m
San Antonio
Sun 6/14
7:35 pm-8:20 pm
Nonstop2h 45m
$436
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Mon 5/25
7:35 pm-12:15 am
Nonstop2h 40m
San Antonio
Fri 5/29
6:05 am-7:05 am
Nonstop3h 00m
$447
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Thu 5/21
3:50 pm-12:05 am
1 stop6h 15m
San Antonio
Thu 5/28
7:15 pm-8:15 pm
Nonstop3h 00m
$493
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from San Diego to San Antonio
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 Diego to San Antonio in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Diego-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-San Antonio 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 Diego-San Antonio 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 Diego to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from San Diego with our price prediction graph.
SAN-SAT
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 Diego to San Antonio
How far ahead should I book a flight from San Diego to San Antonio?
To ensure you get the cheapest price possible for a flight from San Diego to San Antonio, you should look to book at least 47 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 Diego to San Antonio?
Currently, October is the cheapest month in which you can book a flight from San Diego to San Antonio (average of $286). Flying from San Diego to San Antonio in January is currently the most expensive (average of $451). 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 SAN to SAT?
Find hourly flight availability from San Diego to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 7, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 41% on flights from San Diego to San Antonio by exploring options for tickets in the evening.
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. 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 Antonio. Reviews last updated May 7, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from San Diego to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from San Diego to San Antonio. 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 Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from San Diego
Popular flights
San Antonio flight routes
Alternative routes for San Diego to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Diego to San Antonio by cabin class
Find flights from San Diego to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Diego and San Antonio flights
Browse other San Diego and San Antonio flight options. Last updated on May 7, 2026.
Other flights from San Diego
Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on May 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 7, 2026.
Top 7 airlines flying from San Diego to San Antonio
Discover the top 7 airlines that operate flights from San Diego to San Antonio. 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 May 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$116 | Average$182 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$128 | Average$203 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$216 | Average$349 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$366 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$274 | Average$357 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$276 | Average$427 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$280 | Average$454 | FlexibilityNo cancel fee | On-time63% |