HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Fremont

$89+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SFO
may. 5 — may. 121
lun. 5/5
lun. 5/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Antonio to Fremont 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.

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 abril 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$237
(Delta)

One-way from

$89
(Frontier)

Popular in

March

Cheapest in

August

Average price

$389
Provider with most accurate pricing for San Antonio-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-San Francisco flights.
Search Deals
From San Antonio to Fremont
Search Deals
One-way flight from San Antonio to Fremont
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 abril 30, 2025.

This CheapOair deal was found by Cheapflights users on 4/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/28:31 pmSAT - SFO
1 stop18h 44mFrontier
dom. 5/46:35 amSFO - SAT
1 stop11h 00mFrontier
Deal found 4/28$221
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/204:00 pmSAT - SFO
1 stop6h 15mDelta
sáb. 5/315:55 amSFO - SAT
1 stop5h 50mDelta
Deal found 4/29$237
This United Airlines deal was found by Cheapflights users on 4/28. 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.
vie. 6/206:00 amSAT - SFO
Nonstop3h 44mUnited Airlines
mar. 7/14:48 pmSFO - SAT
Nonstop3h 27mUnited Airlines
Deal found 4/28$249
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/222:29 pmSAT - SFO
1 stop8h 31mAmerican Airlines
dom. 5/2512:24 amSFO - SAT
1 stop6h 13mAmerican Airlines
Deal found 4/29$289
This Southwest deal was found by Cheapflights users on 4/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/207:45 pmSAT - SFO
1 stop6h 25mSouthwest
mar. 7/15:55 amSFO - SAT
2 stops7h 35mSouthwest
Deal found 4/28$314
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/25:39 amSAT - SFO
2 stops18h 01mMultiple Airlines
lun. 5/121:56 pmSFO - SAT
1 stop13h 08mMultiple Airlines
Deal found 4/28$338
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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. 5/147:33 pmSAT - SFO
1 stop15h 42mAlaska Airlines
mié. 5/213:02 pmSFO - SAT
2 stops12h 08mAlaska Airlines
Deal found 4/28$468

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 abril 30, 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

vie. 5/2

8:31 pm-1:15 pm

1 stop18h 44m

San Francisco

dom. 5/4

6:35 am-7:35 pm

1 stop11h 00m

$221

San AntonioSan Francisco

SAT - SFO

SATSFO

San Antonio

mié. 5/28

6:10 pm-9:49 pm

1 stop5h 39m

San Francisco

mié. 6/4

5:55 am-1:45 pm

1 stop5h 50m

$237

San AntonioSan Francisco

SAT - SFO

SATSFO

San Antonio

vie. 6/20

6:00 am-7:44 am

Nonstop3h 44m

San Francisco

mar. 6/24

4:43 pm-10:15 pm

Nonstop3h 32m

$249

San AntonioSan Francisco

SAT - SFO

SATSFO

San Antonio

sáb. 6/7

6:45 am-7:48 pm

1 stop15h 03m

San Francisco

sáb. 6/14

11:19 am-5:00 am

2 stops15h 41m

$266

San AntonioSan Francisco

SAT - SFO

SATSFO

San Antonio

jue. 5/22

2:29 pm-9:00 pm

1 stop8h 31m

San Francisco

dom. 5/25

12:24 am-8:37 am

1 stop6h 13m

$289

San AntonioSan Francisco

SAT - SFO

SATSFO

San Antonio

lun. 6/9

6:35 pm-11:08 am

1 stop18h 33m

San Francisco

sáb. 6/14

11:59 pm-9:47 am

1 stop7h 48m

$305

San AntonioSan Francisco

SAT - SFO

SATSFO

San Antonio

vie. 6/20

7:45 pm-12:10 am

1 stop6h 25m

San Francisco

mar. 7/1

5:55 am-3:30 pm

2 stops7h 35m

$314

San AntonioSan Francisco

SAT - SFO

SATSFO

San Antonio

mié. 5/14

7:33 pm-9:15 am

1 stop15h 42m

San Francisco

mié. 5/21

3:02 pm-5:10 am

2 stops12h 08m

$468

San AntonioSan Francisco

SAT - SFO

SATSFO

San Antonio

jue. 5/15

6:25 pm-12:09 am

1 stop7h 44m

$89

San AntonioSan Francisco

SAT - SFO

SATSFO

San Antonio

jue. 6/12

10:57 pm-9:21 pm

1 stop24h 24m

$101

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 14 results
1
2

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 April 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 $393). 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 abril 30, 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. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Fremont by month

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

In terms of precipitation, rainfall in Fremont ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit Fremont when rainfall is around 0.0 in.

Temperature in Fremont by month

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

If weather is an important factor for your trip to Fremont, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 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 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 abril 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from San Antonio to Fremont. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

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
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

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
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

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
7,936 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

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
9,961 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

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 2 daily outbound flights to Fremont from 6 different airlines.

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

    Within the past month, 14 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 $89 on Frontier. Other airlines that offer cheap prices include Delta from $119 and Southwest from $180 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 (91%), SkyWest Airlines (91%), 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 $757, our data shows the cheapest flight currently is $145. When looking at the most popular route, (San Antonio - San Francisco), you can expect to pay $230 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 $393). 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

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 San Antonio to Fremont

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

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 abril 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$89Average$182FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$133Average$229FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$198Average$402FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$376FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$277Average$412FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$309Average$423FlexibilityNo 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.