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$100+ 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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAT
יוני 20 — יוני 271
ו' 6/20
ו' 6/27
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 50 days in advance, depart on a Saturday or Wednesday 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 יוני 15, 2025.

Round-trip from

$256
(Frontier)

One-way from

$100
(Frontier)

Popular in

March

Cheapest in

September

Average price

$373
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. 11% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in June 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 יוני 15, 2025.

This FlightHub deal was found by Cheapflights users on 6/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ה' 10/25:45 amSFO - SAT
1 stop5h 23mFrontier
ב' 10/61:53 pmSAT - SFO
1 stop9h 29mFrontier
Deal found 6/13$255
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ש' 8/26:53 pmSFO - SAT
1 stop8h 47mAlaska Airlines
ד' 8/206:30 amSAT - SFO
1 stop9h 16mAlaska Airlines
Deal found 6/13$258
This American Airlines deal was found by Cheapflights users on 6/14. 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.
ה' 8/75:45 amSFO - SAT
1 stop8h 45mAmerican Airlines
ב' 8/119:15 amSAT - SFO
1 stop9h 28mAmerican Airlines
Deal found 6/14$259
This Delta deal was found by Cheapflights users on 6/13. 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.
ש' 8/25:55 amSFO - SAT
1 stop6h 35mDelta
א' 8/36:03 pmSAT - SFO
1 stop8h 00mDelta
Deal found 6/13$269
This Trip.com deal was found by Cheapflights users on 6/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ג' 6/247:00 amSFO - SAT
1 stop5h 05mMultiple Airlines
ו' 6/276:11 amSAT - SFO
1 stop19h 04mMultiple Airlines
Deal found 6/13$272
This United Airlines deal was found by Cheapflights users on 6/13. 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.
ד' 10/84:44 pmSFO - SAT
Nonstop3h 31mUnited Airlines
ב' 10/137:45 amSAT - SFO
Nonstop3h 49mUnited Airlines
Deal found 6/13$273
This Southwest deal was found by Cheapflights users on 6/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ג' 7/85:25 amSFO - SAT
1 stop5h 10mSouthwest
ג' 7/151:20 pmSAT - SFO
2 stops10h 45mSouthwest
Deal found 6/14$274
This Sun Country Air deal was found by Cheapflights users on 6/14. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
א' 7/2011:59 pmSFO - SAT
1 stop7h 48mSun Country Air
ו' 7/256:35 pmSAT - SFO
1 stop30h 18mSun Country Air
Deal found 6/14$375

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 יוני 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

ש' 8/2

6:55 am-2:21 pm

1 stop5h 26m

San Antonio

ש' 8/16

3:06 pm-9:21 pm

1 stop8h 15m

$256

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

ש' 8/2

6:53 pm-5:40 am

1 stop8h 47m

San Antonio

ד' 8/20

6:30 am-1:46 pm

1 stop9h 16m

$258

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

ה' 8/7

12:15 pm-11:40 pm

1 stop9h 25m

San Antonio

ב' 8/18

7:00 am-2:27 pm

1 stop9h 27m

$259

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

ש' 8/2

5:55 am-2:30 pm

1 stop6h 35m

San Antonio

ב' 8/4

6:07 pm-11:35 pm

1 stop7h 28m

$269

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

ג' 6/24

7:00 am-2:05 pm

1 stop5h 05m

San Antonio

ו' 6/27

6:11 am-11:15 pm

1 stop19h 04m

$272

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

ג' 7/8

5:25 am-12:35 pm

1 stop5h 10m

San Antonio

ג' 7/15

1:20 pm-10:05 pm

2 stops10h 45m

$274

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

ו' 8/1

4:48 pm-10:15 pm

Nonstop3h 27m

San Antonio

ג' 8/19

7:45 am-9:32 am

Nonstop3h 47m

$329

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

א' 7/20

11:59 pm-9:47 am

1 stop7h 48m

San Antonio

ו' 7/25

6:35 pm-10:53 pm

1 stop30h 18m

$375

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

ג' 6/24

7:00 am-2:05 pm

1 stop5h 05m

$100

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

ב' 7/7

5:45 am-5:00 am

1 stop21h 15m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 16 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.

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 June 9, 2025.

The best time to book flights from Fremont to San Antonio is 50 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 יוני 15, 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 יוני 15, 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).

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 יוני 15, 2025.
See what other customers who have flown with Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

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

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

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
4,285 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

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
7,961 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

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
8,798 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

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?

    $100 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $129 and $135, respectively.

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

    Consider SkyWest Airlines (93%), Air New Zealand (90%) or Air Canada (88%) 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 $317, our data shows the cheapest flight currently is $249. When looking at the most popular route, (San Francisco - San Antonio), you can expect to pay $249 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

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Alternative routes for Fremont to San Antonio

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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 יוני 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$108Average$238FlexibilityNo cancel feeOn-time65%
FrontierCheapest$112Average$223FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$211Average$412FlexibilityNo cancel feeOn-time75%
DeltaCheapest$216Average$373FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$218Average$377FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$263Average$425FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$272Average$434FlexibilityNo cancel feeOn-time63%

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