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Fremont

$108+ Cheap flights from San Antonio (SAT) to Fremont, CA

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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SFO
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from San Antonio to Fremont are usually found in August or September, booked 81 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from San Antonio to Fremont

Keep the following information in mind while searching for San Antonio to Fremont flight deals. Data was last updated July 29, 2025.

Round-trip from

$269
(Delta)

One-way from

$108
(Cheapflightsfares)

Popular in

March

Cheapest in

August

Average price

$358
From San Antonio to Fremont
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One-way flight from San Antonio to Fremont
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Highest demand for flights based on searches. 7% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 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 San Antonio to Fremont

Cheapest flights from San Antonio to Fremont
Explore the most affordable flight options available from San Antonio to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

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.
Wed 9/37:30 amSAT - SFO
1 stop6h 41mDelta
Fri 9/55:35 amSFO - SAT
1 stop6h 04mDelta
Deal found 7/28$269
This Southwest deal was found by Cheapflights users on 7/29. 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.
Tue 9/211:45 amSAT - SFO
1 stop6h 10mSouthwest
Mon 9/81:40 pmSFO - SAT
2 stops8h 10mSouthwest
Deal found 7/29$274
This FlightHub deal was found by Cheapflights users on 7/29. 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.
Mon 8/49:00 amSAT - SFO
1 stop27h 25mFrontier
Sat 8/96:55 amSFO - SAT
1 stop5h 26mFrontier
Deal found 7/29$275
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Sat 8/94:48 pmSAT - SFO
1 stop6h 24mUnited Airlines
Sat 8/164:48 pmSFO - SAT
Nonstop3h 27mUnited Airlines
Deal found 7/26$279
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Fri 8/158:00 amSAT - SFO
1 stop8h 27mAmerican Airlines
Mon 8/188:40 amSFO - SAT
1 stop6h 18mAmerican Airlines
Deal found 7/27$289
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 9/246:27 amSAT - SFO
2 stops12h 30mAlaska Airlines
Sun 9/289:19 pmSFO - SAT
1 stop19h 38mAlaska Airlines
Deal found 7/29$321
This Mytrip deal was found by Cheapflights users on 7/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/289:00 amSAT - SFO
1 stop27h 25mMultiple Airlines
Sat 8/211:59 pmSFO - SAT
1 stop7h 48mMultiple Airlines
Deal found 7/27$352

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Fremont 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 July 29, 2025.
Use the filters below to find and compare flights from San Antonio to Fremont that are best for you.

Fly from

San Antonio

Fly to

Fremont

Route

Depart

Return

Price

San AntonioSan Francisco

SAT - SFO

SATSFO

San Antonio

Tue 9/2

6:00 am-11:33 am

1 stop7h 33m

San Francisco

Fri 9/5

7:29 am-8:19 pm

1 stop10h 50m

$269

San AntonioSan Francisco

SAT - SFO

SATSFO

San Antonio

Fri 9/26

2:10 pm-10:25 pm

2 stops10h 15m

San Francisco

Tue 9/30

5:55 am-4:05 pm

1 stop8h 10m

$274

San AntonioSan Francisco

SAT - SFO

SATSFO

San Antonio

Mon 8/4

9:00 am-10:25 am

1 stop27h 25m

San Francisco

Fri 8/8

9:43 pm-2:21 pm

1 stop14h 38m

$278

San AntonioSan Francisco

SAT - SFO

SATSFO

San Antonio

Sat 8/9

4:48 pm-9:12 pm

1 stop6h 24m

San Francisco

Sat 8/16

4:48 pm-10:15 pm

Nonstop3h 27m

$279

San AntonioSan Francisco

SAT - SFO

SATSFO

San Antonio

Fri 8/15

8:00 am-2:27 pm

1 stop8h 27m

San Francisco

Mon 8/18

8:40 am-4:58 pm

1 stop6h 18m

$289

San AntonioSan Francisco

SAT - SFO

SATSFO

San Antonio

Mon 9/8

7:57 pm-4:24 pm

2 stops22h 27m

San Francisco

Wed 9/10

8:00 am-6:57 pm

1 stop8h 57m

$341

San AntonioSan Francisco

SAT - SFO

SATSFO

San Antonio

Sat 8/16

6:59 pm-11:25 pm

1 stop6h 26m

$108

San AntonioSan Francisco

SAT - SFO

SATSFO

San Antonio

Wed 9/24

6:05 pm-9:45 pm

1 stop5h 40m

$135

San AntonioSan Francisco

SAT - SFO

SATSFO

San Antonio

Sun 8/24

2:40 pm-7:50 pm

2 stops7h 10m

$140

San AntonioSan Francisco

SAT - SFO

SATSFO

San Antonio

Wed 9/24

6:27 am-4:24 pm

2 stops11h 57m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 13 results
1
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Best time to book a flight from San Antonio to Fremont

Have a flexible travel schedule? Discover the best time to fly to Fremont from San Antonio 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 San Antonio to Fremont

How far ahead should I book a flight from San Antonio to Fremont?

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Fremont. Price data was last updated on July 25, 2025.

Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Antonio to Fremont. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Antonio to Fremont?

Currently, January is the cheapest month in which you can book a flight from San Antonio to Fremont (average of $276). Flying from San Antonio to Fremont in June is currently the most expensive (average of $358). 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 SAT to FR8?

Find hourly flight availability from San Antonio to Fremont. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

When flying from San Antonio to Fremont, 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 San Antonio to Fremont?

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

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

Weekly flight availability from San Antonio to Fremont

Explore weekly flight availability from San Antonio to Fremont. 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 July 29, 2025.

The most flights from SAT to FR8 are scheduled on a Monday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing Fremont

Get insights into the airlines that provide service to Fremont. 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 Fremont. Reviews last updated July 29, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from San Antonio to Fremont have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

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

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

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
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

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
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

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
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

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

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

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 San Antonio to Fremont. 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 from for flights from San Antonio to Fremont?

    Located just 7.6 mi from the city center, San Antonio is the airport most travelers will use when flying to Fremont from San Antonio. Booking flights from San Antonio (SAT) to Fremont should be relatively easy as there are 3 daily outbound flights to Fremont from 6 different airlines.

  • How popular is this San Antonio to Fremont flight route?

    Within the past month, 8 users have taken a look at flights from San Antonio to Fremont.

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

    One-way options have recently been found by users for as low as $108 on Frontier. Other airlines that offer cheap prices include Delta from $135 and Southwest from $140 one-way.

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

    Before booking your flight to Fremont from San Antonio, check out the most reliable airlines to get you to your destination on time: Air Canada (94%), SkyWest Airlines (92%), United Airlines( 91%).

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

    While on average a flight from San Antonio to Fremont is generally $1,109, our data shows the cheapest flight currently is $178. When looking at the most popular route, (San Antonio - San Francisco), you can expect to pay $240 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Antonio to Fremont 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 San Antonio to Fremont?

    Currently, January is the cheapest month in which you can book a flight from San Antonio to Fremont (average of $276). Flying from San Antonio to Fremont in June is currently the most expensive (average of $358). 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

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Top 6 airlines flying from San Antonio to Fremont

Discover the top 6 airlines that operate flights from San Antonio to Fremont. 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$89Average$179FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$134Average$232FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$198Average$359FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$217Average$403FlexibilityNo cancel feeOn-time63%
DeltaCheapest$236Average$376FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$257Average$399FlexibilityNo cancel feeOn-time69%

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