San Antonio

$62+ 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAT
Jan 14 — Jan 211
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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 Saturday 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 December 15, 2025.

This American Airlines deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:13 pmSFO - SAT
1 stop8h 10mAmerican Airlines
Wed 1/78:57 amSAT - SFO
1 stop5h 43mAmerican Airlines
Deal found 12/13$299
This Travelocity deal was found by Cheapflights users on 12/14. 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.
Fri 12/196:24 amSFO - SAT
1 stop26h 57mFrontier
Mon 1/52:01 pmSAT - SFO
1 stop23h 53mFrontier
Deal found 12/14$303
This Delta deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:05 pmSFO - SAT
1 stop8h 14mDelta
Wed 1/71:03 pmSAT - SFO
2 stops12h 25mDelta
Deal found 12/14$320
This Kiwi.com deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:31 pmSFO - SAT
2 stops29h 04mMultiple Airlines
Tue 1/66:35 amSAT - SFO
1 stop18h 24mMultiple Airlines
Deal found 12/13$339
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Wed 12/316:35 pmSFO - SAT
Nonstop3h 24mUnited Airlines
Wed 1/74:43 pmSAT - SFO
1 stop8h 15mUnited Airlines
Deal found 12/14$369
This Delta deal was found by Cheapflights users on 12/13. 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 12/284:55 pmSFO - SAT
1 stop5h 47mDelta
Sat 1/105:20 amSAT - SFO
1 stop9h 39mDelta
Deal found 12/13$374
This deal was found by Cheapflights users on 12/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:02 amSFO - SAT
1 stop6h 51mUnited Airlines
Thu 1/811:43 amSAT - SFO
1 stop8h 07mUnited Airlines
Deal found 12/14$379
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Wed 12/316:35 pmSFO - SAT
Nonstop3h 24mUnited Airlines
Thu 1/18:52 amSAT - SFO
Nonstop4h 03mUnited Airlines
Deal found 12/14$389
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/308:12 pmSFO - SAT
2 stops26h 05mFrontier
Sat 1/32:52 pmSAT - SFO
1 stop18h 56mFrontier
Deal found 12/14$394
This American Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2712:59 amSFO - SAT
1 stop6h 46mAmerican Airlines
Sat 1/108:57 amSAT - SFO
1 stop5h 39mAmerican Airlines
Deal found 12/14$399
This United Airlines deal was found by Cheapflights users on 12/13. 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 12/296:35 pmSFO - SAT
Nonstop3h 24mUnited Airlines
Wed 12/318:52 amSAT - SFO
Nonstop4h 03mUnited Airlines
Deal found 12/13$407
This United Airlines deal was found by Cheapflights users on 12/13. 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 12/296:35 pmSFO - SAT
Nonstop3h 24mUnited Airlines
Thu 1/18:52 amSAT - SFO
Nonstop4h 03mUnited Airlines
Deal found 12/13$408

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 December 15, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$269
(Delta)

One-way from

$62
(Trip.com)

Popular in

December

Cheapest in

July

Average price

$489
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. 10% potential increase in price ($46 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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 December 15, 2025.
Use the filters below to find and compare flights from Fremont to San Antonio that are best for you.

Fly from

Fremont

Fly to

San Antonio

Route

Depart

Return

Price

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Thu 1/22

5:30 am-1:25 pm

1 stop5h 55m

San Antonio

Fri 1/30

6:10 am-2:20 pm

2 stops10h 10m

$274

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Mon 1/12

7:18 am-3:31 pm

1 stop6h 13m

San Antonio

Mon 1/19

7:20 pm-11:59 pm

1 stop6h 39m

$285

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Thu 1/8

10:35 am-9:28 pm

2 stops8h 53m

San Antonio

Tue 1/20

7:00 am-12:39 pm

1 stop7h 39m

$290

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Fri 1/9

10:35 am-11:43 pm

2 stops11h 08m

San Antonio

Thu 1/15

6:20 pm-10:55 pm

1 stop6h 35m

$290

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Fri 1/9

11:46 am-11:23 pm

1 stop9h 37m

San Antonio

Fri 1/16

1:03 pm-11:28 pm

2 stops12h 25m

$290

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Mon 1/12

10:35 am-9:28 pm

2 stops8h 53m

San Antonio

Sat 1/17

7:35 am-12:23 pm

1 stop6h 48m

$290

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Wed 2/4

6:00 am-5:25 pm

2 stops9h 25m

San Antonio

Sun 2/8

7:00 am-12:39 pm

1 stop7h 39m

$290

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Mon 1/19

1:50 pm-11:10 pm

1 stop7h 20m

San Antonio

Fri 1/23

6:10 am-10:30 am

1 stop6h 20m

$299

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Thu 1/1

6:00 am-6:53 pm

1 stop10h 53m

San Antonio

Thu 1/8

7:00 am-11:56 am

1 stop6h 56m

$299

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Sat 1/10

8:20 am-4:30 pm

1 stop6h 10m

San Antonio

Sat 1/17

6:25 am-12:50 pm

2 stops8h 25m

$308

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 22 results
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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

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 December 12, 2025.

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 March is currently the most expensive (average of $204). 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 December 15, 2025.

It’s typically best to fly out from Fremont to San Antonio at noon. Doing so could potentially save you 11% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Fremont to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Fremont to San Antonio. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Fremont to San Antonio flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 15, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United 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.

Entertainment

7.5

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Boarding

8.1

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.

Entertainment

7.5

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Boarding

8.1

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.

Entertainment

7.5

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Boarding

8.1

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.

Entertainment

7.5

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Boarding

8.1

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.

Entertainment

7.5

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Boarding

8.1

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.

Entertainment

7.5

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Boarding

8.1

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 3 inbound flights from Fremont per day. You should also have plenty of airline options to choose from since 7 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 $274, Southwest can have you in San Antonio from Fremont in 5h 55m. 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?

    $68 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 Alaska Airlines, with prices starting from $118 and $118, respectively.

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

    Consider Emirates (89%), SkyWest Airlines (85%) or United Airlines (83%) 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 $385, our data shows the cheapest flight currently is $148. When looking at the most popular route, (San Francisco - San Antonio), you can expect to pay $202 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.

  • 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 March is currently the most expensive (average of $204). 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.

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 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$146Average$162FlexibilityNo cancel feeOn-time75%
FrontierCheapest$148Average$249FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$149Average$258FlexibilityNo cancel feeOn-time65%
DeltaCheapest$236Average$385FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$245Average$394FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$256Average$376FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$259Average$410FlexibilityNo cancel feeOn-time69%

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