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$108+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAT
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Fremont to San Antonio are usually found in September or January, booked 90 days in advance, depart on a Wednesday or Saturday and return on a Thursday

Cheap 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 julio 30, 2025.

Round-trip from

$235
(FlightHub)

One-way from

$109
(Frontier)

Popular in

March

Cheapest in

September

Average price

$349
From Fremont to San Antonio
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One-way flight from Fremont to San Antonio
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Highest demand for flights based on searches. 13% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 julio 30, 2025.

This FlightHub deal was found by Cheapflights users on 7/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/89:43 pmSFO - SAT
1 stop14h 38mFrontier
sáb. 8/166:59 pmSAT - SFO
1 stop6h 26mFrontier
Deal found 7/28$235
This United Airlines deal was found by Cheapflights users on 7/28. 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.
jue. 10/912:43 amSFO - SAT
1 stop5h 55mUnited Airlines
dom. 10/127:45 amSAT - SFO
Nonstop3h 47mUnited Airlines
Deal found 7/28$259
This Southwest deal was found by Cheapflights users on 7/30. 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.
mié. 10/155:30 amSFO - SAT
1 stop7h 45mSouthwest
sáb. 10/185:30 amSAT - SFO
1 stop8h 20mSouthwest
Deal found 7/30$269
This Delta deal was found by Cheapflights users on 7/28. 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.
vie. 8/155:55 amSFO - SAT
1 stop6h 15mDelta
sáb. 8/3012:41 pmSAT - SFO
1 stop5h 25mDelta
Deal found 7/28$289
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
mié. 10/152:40 pmSFO - SAT
1 stop7h 24mAlaska Airlines
sáb. 10/186:40 amSAT - SFO
1 stop16h 32mAlaska Airlines
Deal found 7/28$315

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 julio 30, 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

dom. 8/17

8:53 pm-8:05 am

1 stop9h 12m

San Antonio

dom. 8/24

8:18 pm-12:19 am

1 stop6h 01m

$236

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

jue. 10/9

12:43 am-8:38 am

1 stop5h 55m

San Antonio

dom. 10/12

7:45 am-9:32 am

Nonstop3h 47m

$259

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

mié. 10/15

5:30 am-3:15 pm

1 stop7h 45m

San Antonio

sáb. 10/18

5:30 am-11:50 am

1 stop8h 20m

$269

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

vie. 8/15

5:55 am-2:10 pm

1 stop6h 15m

San Antonio

dom. 8/17

6:00 am-10:00 am

1 stop6h 00m

$289

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

mié. 10/15

2:40 pm-12:04 am

1 stop7h 24m

San Antonio

sáb. 10/18

6:40 am-9:12 pm

1 stop16h 32m

$315

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

mar. 8/12

7:00 am-2:21 pm

1 stop5h 21m

$108

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

jue. 8/21

12:40 am-11:51 am

1 stop9h 11m

$135

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

vie. 8/22

1:40 pm-11:50 pm

2 stops8h 10m

$140

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

lun. 8/18

7:49 pm-5:40 am

1 stop7h 51m

$154

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

dom. 10/5

12:50 am-8:21 am

1 stop5h 31m

$163

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 14 results
1
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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 July 25, 2025.

The best time to book flights from Fremont to San Antonio is 90 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, August is the cheapest month in which you can book a flight from Fremont to San Antonio (average of $295). Flying from Fremont to San Antonio in March is currently the most expensive (average of $376). 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 julio 30, 2025.

When flying from Fremont to San Antonio, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 22, 2024.

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

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 julio 30, 2025.

The most flights from FR8 to SAT are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 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 julio 30, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 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 popular is this Fremont to San Antonio flight route?

    This flight path from Fremont to San Antonio was viewed by 5 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    $109 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 Southwest, with prices starting from $135 and $140, respectively.

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

    Consider Air Canada (85%), SkyWest Airlines (75%) or Air New Zealand (75%) 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 $386, our data shows the cheapest flight currently is $256. When looking at the most popular route, (San Francisco - San Antonio), you can expect to pay $243 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, August is the cheapest month in which you can book a flight from Fremont to San Antonio (average of $295). Flying from Fremont to San Antonio in March is currently the most expensive (average of $376). 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

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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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$108Average$234FlexibilityNo cancel feeOn-time65%
FrontierCheapest$112Average$228FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$211Average$412FlexibilityNo cancel feeOn-time75%
DeltaCheapest$216Average$376FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$221Average$381FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$249Average$417FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$254Average$417FlexibilityNo cancel feeOn-time63%

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