$92+ 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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SAN
Jul 6 — Jul 131
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 October or August, booked 77 days in advance, depart on a Thursday or Wednesday and return on a Wednesday
Cheap flight deals from San Antonio to San Diego
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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 June 6, 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 June 6, 2026.
This Expedia deal was found by Cheapflights users on 6/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:39 pm
SAT
- SAN
1 stop6h 12m
Frontier
Tue 7/216:25 am
SAN
- SAT
1 stop10h 19m
Frontier
Deal found 6/6![Frontier logo]()
$230
This CheapOair deal was found by Cheapflights users on 6/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:49 pm
SAT
- SAN
1 stop15h 21m
Frontier
Tue 8/113:03 pm
SAN
- SAT
1 stop27h 34m
Frontier
Deal found 6/5![Frontier logo]()
$240
This Frontier deal was found by Cheapflights users on 6/4. 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.
Sat 7/47:51 pm
SAT
- SAN
1 stop6h 02m
Frontier
Tue 7/76:25 am
SAN
- SAT
1 stop10h 19m
Frontier
Deal found 6/4![Frontier logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Sat 8/19:32 pm
SAT
- SAN
2 stops43h 55m
Frontier
Mon 8/319:53 pm
SAN
- SAT
1 stop20h 18m
Frontier
Deal found 6/4![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Tue 6/308:56 pm
SAT
- SAN
1 stop13h 55m
Frontier
Tue 7/74:12 pm
SAN
- SAT
2 stops26h 25m
Frontier
Deal found 6/4![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Mon 9/78:56 pm
SAT
- SAN
2 stops20h 36m
Frontier
Fri 9/118:32 pm
SAN
- SAT
1 stop11h 40m
Frontier
Deal found 6/4![Frontier logo]()
$247
This Frontier deal was found by Cheapflights users on 6/4. 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.
Mon 6/297:51 pm
SAT
- SAN
1 stop6h 02m
Frontier
Tue 7/76:25 am
SAN
- SAT
1 stop10h 19m
Frontier
Deal found 6/4![Frontier logo]()
$249
This Frontier deal was found by Cheapflights users on 6/6. 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 8/197:51 pm
SAT
- SAN
1 stop6h 02m
Frontier
Sun 8/239:37 am
SAN
- SAT
1 stop7h 19m
Frontier
Deal found 6/6![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 6/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:32 pm
SAT
- SAN
1 stop24h 34m
Frontier
Mon 8/108:51 pm
SAN
- SAT
1 stop21h 46m
Frontier
Deal found 6/6![Frontier logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 8/197:51 pm
SAT
- SAN
1 stop14h 51m
Frontier
Wed 9/24:17 pm
SAN
- SAT
2 stops25h 54m
Frontier
Deal found 6/4![Frontier logo]()
$255
This Frontier deal was found by Cheapflights users on 6/4. 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 8/127:49 pm
SAT
- SAN
1 stop6h 02m
Frontier
Mon 8/1710:10 am
SAN
- SAT
1 stop6h 44m
Frontier
Deal found 6/4![Frontier logo]()
$256
This Frontier deal was found by Cheapflights users on 6/4. 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.
Sat 7/47:51 pm
SAT
- SAN
1 stop6h 02m
Frontier
Sat 7/116:25 am
SAN
- SAT
1 stop10h 19m
Frontier
Deal found 6/4![Frontier logo]()
$258
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 June 6, 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 June 6, 2026.
This Southwest deal was found by Cheapflights users on 6/5. 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 7/151:40 pm
SAT
- SAN
2 stops7h 20m
Southwest
Wed 7/226:40 am
SAN
- SAT
2 stops6h 20m
Southwest
Deal found 6/5![Southwest logo]()
$413
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/284:55 pm
SAT
- SAN
1 stop19h 44m
Alaska Airlines
Tue 9/17:33 pm
SAN
- SAT
2 stops18h 24m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$496
This Southwest deal was found by Cheapflights users on 6/1. 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.
Fri 7/178:10 pm
SAT
- SAN
Nonstop2h 45m
Southwest
Tue 7/217:25 pm
SAN
- SAT
Nonstop2h 55m
Southwest
Deal found 6/1![Southwest logo]()
$443
This Southwest deal was found by Cheapflights users on 6/1. 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.
Sun 6/215:30 am
SAT
- SAN
1 stop5h 55m
Southwest
Tue 6/237:25 pm
SAN
- SAT
Nonstop2h 50m
Southwest
Deal found 6/1![Southwest logo]()
$445
This Southwest deal was found by Cheapflights users on 6/5. 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.
Tue 7/77:25 pm
SAT
- SAN
Nonstop2h 45m
Southwest
Thu 7/98:25 pm
SAN
- SAT
Nonstop2h 50m
Southwest
Deal found 6/5![Southwest logo]()
$446
This Southwest deal was found by Cheapflights users on 6/4. 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 9/86:05 pm
SAT
- SAN
Nonstop2h 50m
Southwest
Fri 9/112:15 pm
SAN
- SAT
1 stop5h 20m
Southwest
Deal found 6/4![Southwest logo]()
$446
This Southwest deal was found by Cheapflights users on 6/2. 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 6/236:20 am
SAT
- SAN
Nonstop2h 50m
Southwest
Thu 6/258:25 pm
SAN
- SAT
Nonstop2h 45m
Southwest
Deal found 6/2![Southwest logo]()
$446
This Southwest deal was found by Cheapflights users on 6/1. 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.
Thu 9/106:50 am
SAT
- SAN
Nonstop2h 50m
Southwest
Fri 9/117:10 pm
SAN
- SAT
Nonstop2h 45m
Southwest
Deal found 6/1![Southwest logo]()
$460
This Southwest deal was found by Cheapflights users on 6/5. 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.
Sun 7/56:25 am
SAT
- SAN
Nonstop2h 50m
Southwest
Sun 7/128:30 pm
SAN
- SAT
Nonstop2h 50m
Southwest
Deal found 6/5![Southwest logo]()
$509
This Southwest deal was found by Cheapflights users on 6/2. 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.
Thu 7/233:45 pm
SAT
- SAN
1 stop6h 30m
Southwest
Sun 7/268:30 pm
SAN
- SAT
Nonstop2h 50m
Southwest
Deal found 6/2![Southwest logo]()
$509
This Southwest deal was found by Cheapflights users on 6/2. 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 7/248:10 pm
SAT
- SAN
Nonstop2h 45m
Southwest
Sun 7/268:30 pm
SAN
- SAT
Nonstop2h 50m
Southwest
Deal found 6/2![Southwest logo]()
$509
Last-minute flights from San Antonio to San DiegoDiscover last-minute flight deals from San Antonio to San Diego. Data last updated June 6, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to San Diego. Data last updated June 6, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 6/5. 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.
Sun 6/288:56 pm
SAT
- SAN
1 stop13h 52m
Frontier
Wed 7/16:25 am
SAN
- SAT
1 stop10h 31m
Frontier
Deal found 6/5![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 6/4. 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.
Mon 6/297:51 pm
SAT
- SAN
1 stop6h 02m
Frontier
Tue 7/76:25 am
SAN
- SAT
1 stop10h 19m
Frontier
Deal found 6/4![Frontier logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Tue 6/308:56 pm
SAT
- SAN
1 stop13h 55m
Frontier
Tue 7/74:12 pm
SAN
- SAT
2 stops26h 25m
Frontier
Deal found 6/4![Frontier logo]()
$246
This CheapOair deal was found by Cheapflights users on 6/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:51 pm
SAT
- SAN
1 stop15h 18m
Frontier
Mon 7/65:57 pm
SAN
- SAT
1 stop22h 47m
Frontier
Deal found 6/3![Frontier logo]()
$259
This Frontier deal was found by Cheapflights users on 6/4. 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.
Sat 7/47:51 pm
SAT
- SAN
1 stop6h 02m
Frontier
Tue 7/76:25 am
SAN
- SAT
1 stop10h 19m
Frontier
Deal found 6/4![Frontier logo]()
$244
This Frontier deal was found by Cheapflights users on 6/4. 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.
Sat 7/47:51 pm
SAT
- SAN
1 stop6h 02m
Frontier
Sat 7/116:25 am
SAN
- SAT
1 stop10h 19m
Frontier
Deal found 6/4![Frontier logo]()
$258
This Frontier deal was found by Cheapflights users on 6/4. 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.
Sat 7/47:51 pm
SAT
- SAN
1 stop6h 02m
Frontier
Thu 7/910:00 am
SAN
- SAT
1 stop6h 44m
Frontier
Deal found 6/4![Frontier logo]()
$263
This Frontier deal was found by Cheapflights users on 6/4. 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.
Sat 7/47:51 pm
SAT
- SAN
1 stop6h 02m
Frontier
Fri 7/106:25 am
SAN
- SAT
1 stop10h 19m
Frontier
Deal found 6/4![Frontier logo]()
$264
This Mytrip deal was found by Cheapflights users on 6/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/59:32 pm
SAT
- SAN
1 stop24h 34m
Frontier
Wed 7/86:25 am
SAN
- SAT
1 stop10h 19m
Frontier
Deal found 6/1![Frontier logo]()
$260
This Expedia deal was found by Cheapflights users on 6/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:39 pm
SAT
- SAN
1 stop6h 12m
Frontier
Tue 7/216:25 am
SAN
- SAT
1 stop10h 19m
Frontier
Deal found 6/6![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 6/4. 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.
Mon 7/207:39 pm
SAT
- SAN
1 stop6h 12m
Frontier
Thu 7/306:25 am
SAN
- SAT
1 stop10h 19m
Frontier
Deal found 6/4![Frontier logo]()
$268
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 June 6, 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 June 6, 2026.
This Trip.com deal was found by Cheapflights users on 6/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/248:56 pm
SAT
- SAN
1 stop13h 52m
Frontier
Deal found 6/3![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Sat 8/297:51 pm
SAT
- SAN
1 stop14h 51m
Frontier
Deal found 6/4![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Tue 7/287:39 pm
SAT
- SAN
1 stop15h 26m
Frontier
Deal found 6/3![Frontier logo]()
$111
This Super.com deal was found by Cheapflights users on 6/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:39 pm
SAT
- SAN
1 stop6h 12m
Frontier
Deal found 6/3![Frontier logo]()
$113
This Super.com deal was found by Cheapflights users on 6/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:51 pm
SAT
- SAN
1 stop6h 02m
Frontier
Deal found 6/3![Frontier logo]()
$114
This Frontier deal was found by Cheapflights users on 6/6. 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 7/227:39 pm
SAT
- SAN
1 stop6h 12m
Frontier
Deal found 6/6![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Mon 8/317:51 pm
SAT
- SAN
1 stop14h 51m
Frontier
Deal found 6/4![Frontier logo]()
$126
This Super.com deal was found by Cheapflights users on 6/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/117:39 pm
SAT
- SAN
1 stop6h 12m
Frontier
Deal found 6/4![Frontier logo]()
$128
This Frontier deal was found by Cheapflights users on 6/6. 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.
Sat 7/47:51 pm
SAT
- SAN
1 stop6h 02m
Frontier
Deal found 6/6![Frontier logo]()
$129
This Super.com deal was found by Cheapflights users on 6/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/97:39 pm
SAT
- SAN
1 stop6h 12m
Frontier
Deal found 6/3![Frontier logo]()
$132
This Super.com deal was found by Cheapflights users on 6/5. 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.
Mon 7/137:39 pm
SAT
- SAN
1 stop6h 12m
Frontier
Deal found 6/5![Frontier logo]()
$133
This Frontier deal was found by Cheapflights users on 6/4. 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.
Mon 6/297:51 pm
SAT
- SAN
1 stop6h 02m
Frontier
Deal found 6/4![Frontier logo]()
$134
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 June 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $230 (Expedia) |
One-way from | $92 (Trip.com) |
Popular in | November |
Cheapest in | October |
Average price | $408 |
Good round-trip deal | $395 or less |
Good one-way deal | $213 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 June 6, 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
San AntonioSan Diego
SAT - SAN
SATSAN
San Antonio
Wed 7/15
1:40 pm-7:00 pm
2 stops7h 20m
San Diego
Wed 7/22
6:40 am-3:00 pm
2 stops6h 20m
$413
San AntonioSan Diego
SAT - SAN
SATSAN
San Antonio
Fri 7/17
8:10 pm-8:55 pm
Nonstop2h 45m
San Diego
Tue 7/21
7:25 pm-12:20 am
Nonstop2h 55m
$443
San AntonioSan Diego
SAT - SAN
SATSAN
San Antonio
Sun 6/21
5:30 am-9:25 am
1 stop5h 55m
San Diego
Tue 6/23
7:25 pm-12:15 am
Nonstop2h 50m
$445
Quickest round-trip
San AntonioSan Diego
SAT - SAN
SATSAN
San Antonio
Tue 7/7
7:25 pm-8:10 pm
Nonstop2h 45m
San Diego
Thu 7/9
8:25 pm-1:15 am
Nonstop2h 50m
$446
San AntonioSan Diego
SAT - SAN
SATSAN
San Antonio
Tue 9/8
6:05 pm-6:55 pm
Nonstop2h 50m
San Diego
Fri 9/11
2:15 pm-9:35 pm
1 stop5h 20m
$446
San AntonioSan Diego
SAT - SAN
SATSAN
San Antonio
Tue 6/23
6:20 am-7:10 am
Nonstop2h 50m
San Diego
Thu 6/25
8:25 pm-1:10 am
Nonstop2h 45m
$446
San AntonioSan Diego
SAT - SAN
SATSAN
San Antonio
Thu 9/10
6:50 am-7:40 am
Nonstop2h 50m
San Diego
Fri 9/11
7:10 pm-11:55 pm
Nonstop2h 45m
$460
San AntonioSan Diego
SAT - SAN
SATSAN
San Antonio
Fri 8/28
4:55 pm-10:39 am
1 stop19h 44m
San Diego
Tue 9/1
7:33 pm-3:57 pm
2 stops18h 24m
$496
San AntonioSan Diego
SAT - SAN
SATSAN
San Antonio
Sun 7/5
6:25 am-7:15 am
Nonstop2h 50m
San Diego
Sun 7/12
8:30 pm-1:20 am
Nonstop2h 50m
$509
San AntonioSan Diego
SAT - SAN
SATSAN
San Antonio
Thu 7/23
3:45 pm-8:15 pm
1 stop6h 30m
San Diego
Sun 7/26
8:30 pm-1:20 am
Nonstop2h 50m
$509
Showing 1-10 of 22 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 June.
| 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 Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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
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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 76 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, October is the cheapest month in which you can book a flight from San Antonio to San Diego (average of $308). Flying from San Antonio to San Diego in November is currently the most expensive (average of $459). 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 June 6, 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 in the afternoon could potentially save you up to 14% 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 $211.
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 June 6, 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
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
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
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San Antonio and San Diego flights
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Top 6 airlines flying from San Antonio to San Diego
Discover the top 6 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 June 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$142 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$216 | Average$399 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$231 | Average$395 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$377 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$277 | Average$449 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$327 | Average$438 | FlexibilityNo cancel fee | On-time75% |