San Antonio

$85+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAT
Jun 5 — Jun 121
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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 Thursday and return on a Thursday

Cheap flight deals from Fremont to San Antonio

Cheapest flights from Fremont to San Antonio
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 May 6, 2026.

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.
Mon 6/226:00 am
SFO
-
SAT
1 stop10h 56m
Frontier
Wed 6/247:51 pm
SAT
-
SFO
1 stop6h 36m
Frontier
Deal found 5/4$270
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 5/216:00 am
SFO
-
SAT
1 stop10h 59m
Frontier
Mon 6/18:59 pm
SAT
-
SFO
1 stop15h 31m
Frontier
Deal found 5/2$271
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.
Sun 5/106:00 am
SFO
-
SAT
1 stop10h 59m
Frontier
Sat 5/237:54 pm
SAT
-
SFO
1 stop6h 29m
Frontier
Deal found 5/2$275
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.
Tue 5/1211:26 am
SFO
-
SAT
1 stop6h 48m
Frontier
Sat 5/237:54 pm
SAT
-
SFO
1 stop6h 29m
Frontier
Deal found 5/2$276
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:00 am
SFO
-
SAT
1 stop10h 59m
Frontier
Thu 5/217:54 pm
SAT
-
SFO
1 stop14h 07m
Frontier
Deal found 5/4$277
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:01 pm
SFO
-
SAT
2 stops18h 58m
Frontier
Tue 6/28:59 pm
SAT
-
SFO
1 stop15h 31m
Frontier
Deal found 5/1$278
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:13 pm
SFO
-
SAT
1 stop24h 01m
Frontier
Mon 5/118:59 pm
SAT
-
SFO
1 stop15h 42m
Frontier
Deal found 5/3$280
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.
Fri 5/812:52 pm
SFO
-
SAT
1 stop28h 07m
Frontier
Mon 5/118:59 pm
SAT
-
SFO
1 stop15h 42m
Frontier
Deal found 5/2$281
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:45 pm
SFO
-
SAT
1 stop19h 29m
Frontier
Tue 6/97:51 pm
SAT
-
SFO
2 stops25h 44m
Frontier
Deal found 5/5$282
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:45 pm
SFO
-
SAT
1 stop21h 26m
Frontier
Wed 7/88:59 pm
SAT
-
SFO
1 stop13h 44m
Frontier
Deal found 5/5$284
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 5/136:00 am
SFO
-
SAT
1 stop10h 59m
Frontier
Mon 5/187:54 pm
SAT
-
SFO
1 stop6h 29m
Frontier
Deal found 5/4$285
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 5/1211:26 am
SFO
-
SAT
1 stop6h 48m
Frontier
Tue 5/197:54 pm
SAT
-
SFO
1 stop6h 29m
Frontier
Deal found 5/4$286

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 May 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$270
(Expedia)

One-way from

$85
(Super.com)

Popular in

March

Cheapest in

July

Average price

$366
Provider with most accurate pricing for San Francisco-San Antonio flight deals.
Provider most trusted by Cheapflights users for San Francisco-San Antonio flights.
From Fremont to San Antonio
One-way flight from Fremont to San Antonio
Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 May 6, 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

Price

Cheapest round-trip

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Wed 9/16

12:00 pm-9:28 pm

1 stop7h 28m

San Antonio

Sun 9/20

4:25 pm-12:02 am

1 stop9h 37m

$329

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Sun 5/31

2:43 pm-11:48 pm

1 stop7h 05m

San Antonio

Mon 6/8

6:19 pm-12:45 am

1 stop8h 26m

$329

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Mon 6/15

4:00 pm-1:15 am

2 stops7h 15m

San Antonio

Thu 6/18

9:40 pm-12:50 am

1 stop5h 10m

$334

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Tue 8/25

11:15 am-9:55 pm

2 stops8h 40m

San Antonio

Tue 9/8

5:55 pm-9:20 pm

1 stop5h 25m

$364

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Fri 5/29

3:15 pm-11:30 pm

1 stop6h 15m

San Antonio

Sat 5/30

5:40 am-5:25 pm

2 stops13h 45m

$370

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Wed 9/16

6:15 am-4:51 pm

1 stop8h 36m

San Antonio

Sun 9/20

7:23 am-9:11 am

Nonstop3h 48m

$409

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Tue 5/26

7:20 am-5:00 pm

2 stops7h 40m

San Antonio

Tue 6/2

4:25 pm-10:45 pm

2 stops8h 20m

$447
Quickest round-trip

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Tue 5/26

6:37 pm-12:29 am

Nonstop3h 52m

San Antonio

Tue 6/2

5:57 pm-12:05 am

1 stop8h 08m

$470
Cheapest one-way

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Mon 6/22

6:00 am-6:56 pm

1 stop10h 56m

$130

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Tue 6/9

2:55 pm-12:15 am

1 stop7h 20m

$165

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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.
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

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 May 6, 2026.

It’s typically best to fly out from Fremont to San Antonio in the evening. Doing so could potentially save you 15% 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 May 6, 2026.

The most flights from FR8 to SAT are scheduled on a Monday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from Fremont to San Antonio?

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 6, 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.

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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.
  • What airport do you fly into for flights to San Antonio from Fremont?

    San Antonio (SAT) is the airport you will fly into if you book a flight from Fremont to San Antonio. You should not have trouble finding flights to San Antonio from Fremont; the airport handles an average of 4 inbound flights from Fremont per day. You should also have plenty of airline options to choose from since 6 airlines have flights to the San Antonio airport from Fremont. It is only a 7.6 mi journey from San Antonio (SAT) to San Antonio’s city center.

  • How long is the flight from Fremont to San Antonio?

    For as low as $329, Delta can have you in San Antonio from Fremont in 6h 34m. There are 1479 mi between Fremont and San Antonio. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Fremont to San Antonio one-way?

    $74 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $128 and $129, respectively.

  • What are the most reliable airlines from Fremont to San Antonio?

    Consider Emirates (83%), Air New Zealand (79%) or Air Canada (78%) when booking your flight. These represent the most reliable airlines when flying from Fremont to San Antonio.

  • What are the cheapest flights from Fremont to San Antonio?

    While on average a flight from Fremont to San Antonio is generally $563, our data shows the cheapest flight currently is $283. When looking at the most popular route, (San Francisco - San Antonio), you can expect to pay $295 for that flight.

  • Can I find deals for flights from Fremont to San Antonio that include hotel bookings?

    Yes. In addition to deals on Fremont to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Fremont to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Fremont to San Antonio.

  • Can I find deals for business class flights from Fremont to San Antonio?

    Yes. Cheapflights offers flight deals from Fremont to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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Alternative routes for Fremont to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Fremont to San Antonio

Discover the top 6 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 May 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$146Average$162FlexibilityNo cancel feeOn-time75%
FrontierCheapest$151Average$252FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$217Average$371FlexibilityNo cancel feeOn-time63%
DeltaCheapest$219Average$380FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$256Average$401FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$259Average$405FlexibilityNo cancel feeOn-time69%

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