Fremont

$31+ Cheap flights from San Diego (SAN) 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SFO
Apr 9 — Apr 161
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Cheapflights Tip: The best prices from San Diego to Fremont are usually found in January or February, booked 37 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from San Diego to Fremont

Keep the following information in mind while searching for San Diego to Fremont flight deals. Data was last updated April 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$55
(Trip.com)

One-way from

$31
(Frontier)

Popular in

November

Cheapest in

January

Average price

$127
Provider with most accurate pricing for San Diego-San Francisco flight deals.
Provider most trusted by Cheapflights users for San Diego-San Francisco flights.
From San Diego to Fremont
One-way flight from San Diego to Fremont
Highest demand for flights based on searches. 4% potential increase in price ($6 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($2 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from San Diego to Fremont

Cheapest flights from San Diego to Fremont
Explore the most affordable flight options available from San Diego to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.

This Trip.com deal was found by Cheapflights users on 4/3. 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.
Mon 5/198:32 amSAN - SFO
Nonstop1h 51mMultiple Airlines
Mon 5/266:00 amSFO - SAN
Nonstop1h 39mMultiple Airlines
Deal found 4/3$55
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/246:15 amSAN - SFO
Nonstop1h 47mHawaiian Airlines
Sun 4/276:40 amSFO - SAN
Nonstop1h 35mHawaiian Airlines
Deal found 4/3$56
This Alaska Airlines deal was found by Cheapflights users on 4/4. 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.
Thu 4/249:59 pmSAN - SFO
Nonstop1h 43mAlaska Airlines
Mon 4/286:40 amSFO - SAN
Nonstop1h 35mAlaska Airlines
Deal found 4/4$57
This Cheapflightsfares deal was found by Cheapflights users on 4/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/98:22 amSAN - SFO
Nonstop1h 51mFrontier
Sun 5/115:49 pmSFO - SAN
Nonstop1h 42mFrontier
Deal found 4/3$58
This United Airlines deal was found by Cheapflights users on 4/2. 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 4/197:40 amSAN - SFO
Nonstop1h 42mUnited Airlines
Sat 4/1910:57 amSFO - SAN
Nonstop1h 44mUnited Airlines
Deal found 4/2$72
This Southwest deal was found by Cheapflights users on 4/3. 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.
Sat 4/1912:45 pmSAN - SFO
Nonstop1h 35mSouthwest
Tue 4/227:45 pmSFO - SAN
Nonstop1h 35mSouthwest
Deal found 4/3$81
This American Airlines deal was found by Cheapflights users on 4/3. 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.
Tue 4/84:30 pmSAN - SFO
1 stop7h 28mAmerican Airlines
Wed 4/912:06 pmSFO - SAN
1 stop6h 22mAmerican Airlines
Deal found 4/3$159
This Delta deal was found by Cheapflights users on 4/3. 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.
Fri 4/186:15 pmSAN - SFO
1 stop4h 23mDelta
Sun 4/206:10 amSFO - SAN
1 stop4h 12mDelta
Deal found 4/3$177

Cheapflights Fare Finder

Customize your flight search to find flights from San Diego 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 April 4, 2025.
Use the filters below to find and compare flights from San Diego to Fremont that are best for you.

Fly from

San Diego

Fly to

Fremont

Route

Depart

Return

Price

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Mon 5/19

8:32 am-10:23 am

Nonstop1h 51m

San Francisco

Mon 5/26

6:00 am-7:39 am

Nonstop1h 39m

$55

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 4/24

6:15 am-8:02 am

Nonstop1h 47m

San Francisco

Sun 4/27

6:40 am-8:15 am

Nonstop1h 35m

$56

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 4/24

9:59 pm-11:42 pm

Nonstop1h 43m

San Francisco

Mon 4/28

6:40 am-8:15 am

Nonstop1h 35m

$57

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 5/9

8:22 am-10:13 am

Nonstop1h 51m

San Francisco

Mon 5/12

5:49 pm-7:31 pm

Nonstop1h 42m

$58

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 4/17

6:15 am-7:57 am

Nonstop1h 42m

San Francisco

Sun 4/20

7:15 am-8:51 am

Nonstop1h 36m

$67

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 4/19

7:30 am-9:05 am

Nonstop1h 35m

San Francisco

Sat 4/19

5:45 pm-7:15 pm

Nonstop1h 30m

$81

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Mon 4/14

7:30 pm-11:58 pm

1 stop4h 28m

San Francisco

Fri 4/18

3:54 pm-9:37 pm

1 stop5h 43m

$159

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 4/18

6:15 pm-10:38 pm

1 stop4h 23m

San Francisco

Sun 4/20

6:10 am-10:22 am

1 stop4h 12m

$177

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 5/9

8:22 am-10:13 am

Nonstop1h 51m

$31

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 8/9

10:11 pm-11:50 pm

Nonstop1h 39m

$34

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Showing 1-10 of 16 results
1
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Best time to book a flight from San Diego to Fremont

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Fremont. Price data was last updated on March 28, 2025.

The price you pay for your flight from San Diego to Fremont may vary depending on when you book. For the best chance of a lower fare, look to book 37 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from San Diego to Fremont (average of $276). Flying from San Diego 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 SAN to FR8?

Find hourly flight availability from San Diego 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 April 4, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Diego to Fremont as you normally would.

What is the cheapest day to fly from San Diego to Fremont?

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

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

Weekly flight availability from San Diego to Fremont

Explore weekly flight availability from San Diego 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 April 4, 2025.

The most flights from SAN to FR8 are scheduled on a Thursday (90 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (42 on average).

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 April 4, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from San Diego to Fremont have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Phally,Oct 2024

IAD - SFO

Service was good. We pre-ordered a snack but never made it to us.

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Phally,Oct 2024

IAD - SFO

Service was good. We pre-ordered a snack but never made it to us.

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Phally,Oct 2024

IAD - SFO

Service was good. We pre-ordered a snack but never made it to us.
8.0
Very good

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Phally,Oct 2024

IAD - SFO

Service was good. We pre-ordered a snack but never made it to us.

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Phally,Oct 2024

IAD - SFO

Service was good. We pre-ordered a snack but never made it to us.

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Phally,Oct 2024

IAD - SFO

Service was good. We pre-ordered a snack but never made it to us.

Related info for your journey

Find useful and relevant information for your journey from San Diego 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 Diego to Fremont?

    For a flight from San Diego to Fremont, you will be flying from San Diego. San Diego (SAN) is just 2.6 mi from the center of the city. San Diego is the only San Diego airport and it handles 66 outbound flights to Fremont per day. 10 airlines have flights to Fremont from San Diego on a regular basis.

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

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $31. Alaska Airlines flights start at $34 while deals on Hawaiian Airlines start at $36 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Diego to Fremont on time: ANA (80%), Copa Airlines (79%), SWISS (78%).

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

    While on average a flight from San Diego to Fremont is generally $1,683, our data shows the cheapest flight currently is $28. When looking at the most popular route, (San Diego - San Francisco), you can expect to pay $50 for that flight.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from San Diego to Fremont (average of $276). Flying from San Diego 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

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Alternative routes for San Diego to Fremont

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from San Diego to Fremont

Discover the top 9 airlines that operate flights from San Diego 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 April 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$27Average$103FlexibilityNo cancel feeOn-time65%
FrontierCheapest$27Average$70FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$28Average$128FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$56Average$241FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$57Average$203FlexibilityNo cancel feeOn-time69%
DeltaCheapest$88Average$301FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$97Average$204FlexibilityNo cancel feeOn-time63%
CitizenPlaneCheapest$180Average$196FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$188Average$401FlexibilityNo cancel feeOn-time71%

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