HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Antonio

$80+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAT
ene. 26 — feb. 21
dom. 1/26
dom. 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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.

The best prices from Fremont to San Antonio are usually found in September or August, booked 42 days in advance, depart on a Tuesday or Friday and return on a Thursday

Cheap flight deals from Fremont to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Fremont (FR8) to San Antonio (SAT). 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 enero 21, 2025.

Round-trip from

$260
(Booking.com)

One-way from

$80
(Trip.com)

Popular in

April

Cheapest in

September

Average price

$383
From Fremont to San Antonio
Search Deals
One-way flight from Fremont to San Antonio
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2025
Search Deals

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 enero 21, 2025.

This FlightHub deal was found by Cheapflights users on 1/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/2410:00 pmSFO - SAT
1 stop18h 59mFrontier
lun. 4/287:59 pmSAT - SFO
1 stop19h 20mFrontier
Deal found 1/20$250
This CheapOair deal was found by Cheapflights users on 1/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/198:56 pmSFO - SAT
1 stop18h 39mMultiple Airlines
vie. 5/236:45 pmSAT - SFO
1 stop24h 28mMultiple Airlines
Deal found 1/21$295
This United Airlines deal was found by Cheapflights users on 1/20. 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.
mié. 2/194:34 pmSFO - SAT
Nonstop3h 41mUnited Airlines
mié. 2/269:30 amSAT - SFO
Nonstop4h 17mUnited Airlines
Deal found 1/20$319
This Delta deal was found by Cheapflights users on 1/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/109:21 amSFO - SAT
2 stops12h 20mDelta
mar. 3/1112:35 pmSAT - SFO
2 stops9h 14mDelta
Deal found 1/19$324
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/92:40 pmSFO - SAT
1 stop12h 58mAlaska Airlines
mar. 10/147:00 amSAT - SFO
1 stop8h 38mAlaska Airlines
Deal found 1/21$338
This Southwest deal was found by Cheapflights users on 1/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/15:00 amSFO - SAT
1 stop5h 15mSouthwest
mié. 3/53:25 pmSAT - SFO
2 stops8h 10mSouthwest
Deal found 1/21$344
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/412:47 amSFO - SAT
1 stop7h 21mAmerican Airlines
sáb. 4/126:00 amSAT - SFO
1 stop8h 31mAmerican Airlines
Deal found 1/20$388
This Sun Country Air deal was found by Cheapflights users on 1/20. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/311:59 pmSFO - SAT
1 stop7h 48mSun Country Air
dom. 7/66:20 pmSAT - SFO
1 stop25h 06mSun Country Air
Deal found 1/20$460

Find flights from Fremont to San Antonio within your budget

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 enero 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

jue. 4/24

10:00 pm-6:59 pm

1 stop18h 59m

San Antonio

lun. 4/28

7:59 pm-1:19 pm

1 stop19h 20m

$250

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

lun. 5/19

8:56 pm-5:35 pm

1 stop18h 39m

San Antonio

vie. 5/23

6:45 pm-5:13 pm

1 stop24h 28m

$295

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

mié. 2/19

4:34 pm-10:15 pm

Nonstop3h 41m

San Antonio

mié. 2/26

9:30 am-11:47 am

Nonstop4h 17m

$319

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

lun. 3/10

9:21 am-11:41 pm

2 stops12h 20m

San Antonio

mar. 3/11

12:35 pm-7:49 pm

2 stops9h 14m

$324

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

sáb. 3/1

6:10 am-8:15 pm

1 stop12h 05m

San Antonio

lun. 3/3

6:35 pm-11:05 pm

2 stops6h 30m

$344

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

vie. 4/4

12:47 am-10:08 am

1 stop7h 21m

San Antonio

sáb. 4/12

6:00 am-12:31 pm

1 stop8h 31m

$388

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

sáb. 3/22

7:55 pm-5:40 am

1 stop7h 45m

San Antonio

mar. 3/25

7:00 am-1:33 pm

1 stop8h 33m

$418

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

jue. 7/3

11:59 pm-9:47 am

1 stop7h 48m

San Antonio

dom. 7/6

6:20 pm-5:26 pm

1 stop25h 06m

$460

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

lun. 3/31

10:59 pm-1:17 pm

2 stops12h 18m

$80

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

mar. 2/11

1:17 pm-6:50 pm

Nonstop3h 33m

$160

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 15 results
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.

Travel insights for flights from Fremont to San Antonio

Get recent, data-driven insights about flights from Fremont to San Antonio including ideal travel times, pricing trends, and more.

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 January 17, 2025.

The best time to book flights from Fremont to San Antonio is 21 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 enero 21, 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. Sunday afternoons 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 enero 21, 2025.

The most flights from FR8 to SAT are scheduled on a Monday (3 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 enero 21, 2025.
See what other customers who have flown with Frontier, United Airlines and Delta from Fremont to San Antonio have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Southwest
8.1
Very good
4,662 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Alaska Airlines
8.0
Very good
9,706 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Delta
8.0
Very good
8,521 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

United Airlines
7.4
Good
8,984 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

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 2 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?

    $80 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $160 and $167, respectively.

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

    Consider Air Canada (83%), Air New Zealand (83%) or United Airlines (74%) 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 $357, our data shows the cheapest flight currently is $159. When looking at the most popular route, (San Francisco - San Antonio), you can expect to pay $225 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 Fremont?

Book flights to Fremont if you plan to visit one of these locations
New Braunfels

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Fremont to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Dallas/Fort Worth flights
Los Angeles to Hobby flights
San Francisco to Dallas/Fort Worth flights
Ontario to Dallas/Fort Worth flights
Los Angeles to George Bush Intcntl flights
Los Angeles to Austin flights
Burbank to Dallas/Fort Worth flights
Santa Ana to Dallas/Fort Worth flights
San Francisco to Austin flights
San Diego to Dallas/Fort Worth flights
San Francisco to Hobby flights
Los Angeles to Love Field flights
Ontario to Hobby flights
Ontario to George Bush Intcntl flights
San Francisco to George Bush Intcntl flights
Los Angeles to San Antonio flights
Santa Ana to Hobby flights
San Jose to Dallas/Fort Worth flights
Sacramento to Hobby flights
Oakland to Dallas/Fort Worth flights
Santa Ana to George Bush Intcntl flights
San Diego to Hobby flights
San Diego to Austin flights
Las Vegas to Dallas/Fort Worth flights
Sacramento to Dallas/Fort Worth flights
Oakland to Hobby flights
San Jose to Hobby flights
Sacramento to George Bush Intcntl flights
Burbank to Hobby flights
San Diego to George Bush Intcntl flights
San Francisco to Love Field flights
Ontario to Austin flights
Burbank to George Bush Intcntl flights
Las Vegas to Hobby flights
Ontario to Love Field flights
Las Vegas to Austin flights
San Francisco to San Antonio flights
Oakland to George Bush Intcntl flights
Fresno to Dallas/Fort Worth flights
San Jose to Austin flights
San Jose to George Bush Intcntl flights
San Diego to Love Field flights
Santa Ana to Austin flights
Sacramento to Austin flights
Las Vegas to George Bush Intcntl flights
Burbank to Austin flights
Oakland to Austin flights
Burbank to San Antonio flights
Santa Ana to Love Field flights
Ontario to San Antonio flights

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 enero 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$108Average$245FlexibilityNo cancel feeOn-time65%
FrontierCheapest$116Average$273FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$189Average$606FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$215Average$421FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$369FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$277Average$450FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$313Average$449FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.