$86+ Cheap flights from Fremont, CA to San Antonio (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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAT
Apr 22 — Apr 291
Round-trip
1 adult, Economy
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Find cheap flights from Fremont 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 Fremont to San Antonio are usually found in July or October, booked 43 days in advance, depart on a Wednesday or Saturday and return on a Thursday
Cheap flight deals from Fremont to San Antonio
Cheapest
Best
Last-minute
One-way
Cheapest flights from Fremont to San AntonioExplore the most affordable flight options available from Fremont to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.
Explore the most affordable flight options available from Fremont to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.
This Frontier deal was found by Cheapflights users on 3/19. 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 4/146:00 am
SFO
- SAT
1 stop7h 09m
Frontier
Wed 4/154:49 pm
SAT
- SFO
1 stop8h 36m
Frontier
Deal found 3/19![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 3/21. 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.
Fri 4/1010:50 pm
SFO
- SAT
1 stop9h 53m
Frontier
Wed 4/154:49 pm
SAT
- SFO
1 stop8h 36m
Frontier
Deal found 3/21![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/186:00 am
SFO
- SAT
1 stop7h 09m
Frontier
Sat 4/254:04 pm
SAT
- SFO
2 stops20h 46m
Frontier
Deal found 3/19![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/227:00 am
SFO
- SAT
1 stop6h 53m
Frontier
Wed 4/294:49 pm
SAT
- SFO
2 stops17h 34m
Frontier
Deal found 3/20![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 4/227:00 am
SFO
- SAT
1 stop6h 53m
Frontier
Mon 4/278:39 pm
SAT
- SFO
2 stops27h 00m
Frontier
Deal found 3/21![Frontier logo]()
$255
This Booking.com deal was found by Cheapflights users on 3/19. 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.
Fri 5/16:00 am
SFO
- SAT
1 stop6h 15m
Frontier
Mon 5/46:31 pm
SAT
- SFO
1 stop18h 10m
Frontier
Deal found 3/19![Frontier logo]()
$256
This Booking.com deal was found by Cheapflights users on 3/19. 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.
Fri 4/176:00 am
SFO
- SAT
1 stop6h 15m
Frontier
Mon 4/206:31 pm
SAT
- SFO
1 stop26h 14m
Frontier
Deal found 3/19![Frontier logo]()
$258
This Southwest deal was found by Cheapflights users on 3/22. 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 4/282:50 pm
SFO
- SAT
1 stop5h 15m
Southwest
Fri 5/16:45 pm
SAT
- SFO
1 stop6h 20m
Southwest
Deal found 3/22![Southwest logo]()
$259
This Travelocity deal was found by Cheapflights users on 3/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/29:00 pm
SFO
- SAT
1 stop25h 19m
Frontier
Mon 4/66:45 am
SAT
- SFO
1 stop19h 43m
Frontier
Deal found 3/20![Frontier logo]()
$260
This CheapOair deal was found by Cheapflights users on 3/19. 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 4/96:00 am
SFO
- SAT
1 stop16h 19m
Frontier
Thu 4/163:00 pm
SAT
- SFO
1 stop11h 27m
Frontier
Deal found 3/19![Frontier logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 5/56:00 am
SFO
- SAT
1 stop10h 59m
Frontier
Sun 5/107:54 pm
SAT
- SFO
2 stops27h 25m
Frontier
Deal found 3/19![Frontier logo]()
$264
Best flights from Fremont to San AntonioDiscover carefully curated flight deals from Fremont to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 23, 2026.
Discover carefully curated flight deals from Fremont to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 23, 2026.
This United Airlines deal was found by Cheapflights users on 3/18. 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 5/411:20 pm
SFO
- SAT
Nonstop3h 50m
United Airlines
Sat 5/93:20 pm
SAT
- SFO
Nonstop4h 13m
United Airlines
Deal found 3/18![United Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 3/19. 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 4/245:25 am
SFO
- SAT
1 stop8h 25m
Southwest
Mon 4/274:20 pm
SAT
- SFO
2 stops7h 50m
Southwest
Deal found 3/19![Southwest logo]()
$334
This Delta deal was found by Cheapflights users on 3/21. 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.
Sat 4/116:00 am
SFO
- SAT
1 stop6h 38m
Delta
Mon 4/136:12 pm
SAT
- SFO
1 stop7h 42m
Delta
Deal found 3/21![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 3/18. 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 4/1611:10 pm
SFO
- SAT
Nonstop3h 50m
United Airlines
Sat 4/181:25 pm
SAT
- SFO
1 stop6h 21m
United Airlines
Deal found 3/18![United Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 3/22. 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 4/297:20 am
SFO
- SAT
2 stops7h 40m
Southwest
Mon 5/44:20 pm
SAT
- SFO
2 stops7h 50m
Southwest
Deal found 3/22![Southwest logo]()
$339
This United Airlines deal was found by Cheapflights users on 3/19. 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 4/411:10 pm
SFO
- SAT
Nonstop3h 50m
United Airlines
Tue 4/72:14 pm
SAT
- SFO
1 stop6h 44m
United Airlines
Deal found 3/19![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 3/18. 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 4/1811:10 pm
SFO
- SAT
Nonstop3h 50m
United Airlines
Tue 4/217:15 pm
SAT
- SFO
1 stop6h 44m
United Airlines
Deal found 3/18![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 3/20. 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 5/98:45 am
SFO
- SAT
Nonstop3h 46m
United Airlines
Wed 5/275:57 pm
SAT
- SFO
1 stop8h 18m
United Airlines
Deal found 3/20![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 3/19. 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 4/911:10 pm
SFO
- SAT
Nonstop3h 50m
United Airlines
Wed 4/157:15 pm
SAT
- SFO
1 stop6h 44m
United Airlines
Deal found 3/19![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 3/21. 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 4/2311:10 pm
SFO
- SAT
Nonstop3h 50m
United Airlines
Mon 4/276:02 pm
SAT
- SFO
1 stop7h 57m
United Airlines
Deal found 3/21![United Airlines logo]()
$439
Last-minute flights from Fremont to San AntonioDiscover last-minute flight deals from Fremont to San Antonio. Data last updated March 23, 2026 and is based on user searches.
Discover last-minute flight deals from Fremont to San Antonio. Data last updated March 23, 2026 and is based on user searches.
This Travelocity deal was found by Cheapflights users on 3/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/29:00 pm
SFO
- SAT
1 stop25h 19m
Frontier
Mon 4/66:45 am
SAT
- SFO
1 stop19h 43m
Frontier
Deal found 3/20![Frontier logo]()
$260
This CheapOair deal was found by Cheapflights users on 3/19. 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 4/96:00 am
SFO
- SAT
1 stop16h 19m
Frontier
Thu 4/163:00 pm
SAT
- SFO
1 stop11h 27m
Frontier
Deal found 3/19![Frontier logo]()
$261
This Frontier deal was found by Cheapflights users on 3/21. 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.
Fri 4/1010:50 pm
SFO
- SAT
1 stop9h 53m
Frontier
Wed 4/154:49 pm
SAT
- SFO
1 stop8h 36m
Frontier
Deal found 3/21![Frontier logo]()
$251
This Frontier deal was found by Cheapflights users on 3/21. 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.
Sun 4/1210:57 pm
SFO
- SAT
1 stop9h 46m
Frontier
Sat 4/184:04 pm
SAT
- SFO
1 stop9h 21m
Frontier
Deal found 3/21![Frontier logo]()
$270
This Frontier deal was found by Cheapflights users on 3/19. 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 4/146:00 am
SFO
- SAT
1 stop7h 09m
Frontier
Wed 4/154:49 pm
SAT
- SFO
1 stop8h 36m
Frontier
Deal found 3/19![Frontier logo]()
$250
This Booking.com deal was found by Cheapflights users on 3/19. 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.
Fri 4/176:00 am
SFO
- SAT
1 stop6h 15m
Frontier
Mon 4/206:31 pm
SAT
- SFO
1 stop26h 14m
Frontier
Deal found 3/19![Frontier logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/186:00 am
SFO
- SAT
1 stop7h 09m
Frontier
Sat 4/254:04 pm
SAT
- SFO
2 stops20h 46m
Frontier
Deal found 3/19![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/227:00 am
SFO
- SAT
1 stop6h 53m
Frontier
Wed 4/294:49 pm
SAT
- SFO
2 stops17h 34m
Frontier
Deal found 3/20![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 4/227:00 am
SFO
- SAT
1 stop6h 53m
Frontier
Mon 4/278:39 pm
SAT
- SFO
2 stops27h 00m
Frontier
Deal found 3/21![Frontier logo]()
$255
This Southwest deal was found by Cheapflights users on 3/22. 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 4/282:50 pm
SFO
- SAT
1 stop5h 15m
Southwest
Fri 5/16:45 pm
SAT
- SFO
1 stop6h 20m
Southwest
Deal found 3/22![Southwest logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/288:40 am
SFO
- SAT
1 stop29h 13m
Frontier
Wed 5/67:54 pm
SAT
- SFO
2 stops28h 01m
Frontier
Deal found 3/20![Frontier logo]()
$267
One-way flights from Fremont to San AntonioSearch for one-way flight options from Fremont to San Antonio. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
Search for one-way flight options from Fremont to San Antonio. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
This Mytrip deal was found by Cheapflights users on 3/21. 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.
Mon 4/136:00 am
SFO
- SAT
1 stop16h 19m
Frontier
Deal found 3/21![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/86:00 am
SFO
- SAT
1 stop16h 19m
Frontier
Deal found 3/19![Frontier logo]()
$94
This Frontier deal was found by Cheapflights users on 3/18. 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.
Fri 4/176:00 am
SFO
- SAT
1 stop6h 15m
Frontier
Deal found 3/18![Frontier logo]()
$105
This Expedia deal was found by Cheapflights users on 3/20. 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.
Thu 4/911:20 am
SFO
- SAT
1 stop21h 23m
Frontier
Deal found 3/20![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/147:40 pm
SFO
- SAT
2 stops18h 13m
Frontier
Deal found 3/20![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/204:29 pm
SFO
- SAT
2 stops45h 24m
Frontier
Deal found 3/19![Frontier logo]()
$123
This Super.com deal was found by Cheapflights users on 3/23. 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 4/28:31 am
SFO
- SAT
1 stop5h 20m
Frontier
Deal found 3/23![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/288:40 am
SFO
- SAT
1 stop29h 13m
Frontier
Deal found 3/20![Frontier logo]()
$128
This Super.com deal was found by Cheapflights users on 3/21. 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 3/316:00 am
SFO
- SAT
1 stop16h 17m
Frontier
Deal found 3/21![Frontier logo]()
$129
Find flight deals from Fremont to San Antonio
Keep the following information in mind while searching for Fremont to San Antonio flight deals. Data was last updated March 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $250 (Frontier) |
One-way from | $86 (Mytrip) |
Popular in | December |
Cheapest in | July |
Average price | $463 |
Cheapflights Fare Finder
Customize your flight search to find flights from Fremont 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 March 23, 2026.
Use the filters below to find and compare flights from Fremont to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Mon 5/4
11:20 pm-5:10 am
Nonstop3h 50m
San Antonio
Sat 5/9
3:20 pm-5:33 pm
Nonstop4h 13m
$309
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Thu 4/16
11:10 pm-5:00 am
Nonstop3h 50m
San Antonio
Sat 4/18
1:25 pm-5:46 pm
1 stop6h 21m
$319
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Fri 4/24
5:25 am-3:50 pm
1 stop8h 25m
San Antonio
Mon 4/27
4:20 pm-10:10 pm
2 stops7h 50m
$334
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Wed 4/29
7:20 am-5:00 pm
2 stops7h 40m
San Antonio
Mon 5/4
4:20 pm-10:10 pm
2 stops7h 50m
$339
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Sat 4/11
6:00 am-2:38 pm
1 stop6h 38m
San Antonio
Mon 4/13
6:12 pm-11:54 pm
1 stop7h 42m
$354
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Sat 4/4
11:10 pm-5:00 am
Nonstop3h 50m
San Antonio
Tue 4/7
2:14 pm-6:58 pm
1 stop6h 44m
$379
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Sat 4/18
11:10 pm-5:00 am
Nonstop3h 50m
San Antonio
Tue 4/21
7:15 pm-11:59 pm
1 stop6h 44m
$399
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Sat 5/9
8:45 am-2:31 pm
Nonstop3h 46m
San Antonio
Wed 5/27
5:57 pm-12:15 am
1 stop8h 18m
$409
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Thu 4/9
11:10 pm-5:00 am
Nonstop3h 50m
San Antonio
Wed 4/15
7:15 pm-11:59 pm
1 stop6h 44m
$409
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Thu 4/23
11:10 pm-5:00 am
Nonstop3h 50m
San Antonio
Mon 4/27
6:02 pm-11:59 pm
1 stop7h 57m
$439
Showing 1-10 of 18 resultsSorted by cheapest first
Best time to book a flight from Fremont to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Fremont with our price prediction graph.
SFO-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 Fremont to San Antonio
FR8-SAT
SFO-SAT
How far ahead should I book a flight from Fremont to San Antonio?
Use this chart to determine the optimal time to book a round-trip flight from Fremont to San Antonio. Price data was last updated on March 13, 2026.
The best time to book flights from Fremont to San Antonio is 43 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Fremont to San Antonio?
Currently, September is the cheapest month in which you can book a flight from Fremont to San Antonio (average of $108). Flying from Fremont to San Antonio in December is currently the most expensive (average of $177). 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 FR8 to SAT?
Find hourly flight availability from Fremont 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 March 23, 2026.
It’s typically best to fly out from Fremont to San Antonio in the evening. Doing so could potentially save you 48% on the flight price compared to flying in the morning, which is usually more expensive.
Weekly flight availability from Fremont to San Antonio
Explore weekly flight availability from Fremont to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 23, 2026.
The most flights from FR8 to SAT are scheduled on a Monday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).
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 March 23, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Fremont 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.
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from Fremont 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
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Top 7 airlines flying from Fremont to San Antonio
Discover the top 7 airlines that operate flights from Fremont 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 March 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$119 | Average$225 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$146 | Average$162 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$151 | Average$246 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$226 | Average$367 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$227 | Average$384 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$250 | Average$400 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$396 | FlexibilityNo cancel fee | On-time71% |