Fremont

$63+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SFO
Jun 3 — Jun 101
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Cheapflights Tip: The best prices from San Diego to Fremont are usually found in July or October, booked 90 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap 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 May 4, 2026.

This Trip.com deal was found by Cheapflights users on 5/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:15 pm
SAN
-
SFO
Nonstop2h 01m
Frontier
Sun 5/3110:01 pm
SFO
-
SAN
Nonstop1h 43m
Frontier
Deal found 5/4$113
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Tue 6/27:15 pm
SAN
-
SFO
Nonstop2h 01m
Frontier
Sat 6/610:50 pm
SFO
-
SAN
1 stop9h 57m
Frontier
Deal found 5/3$115
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Tue 6/99:01 am
SAN
-
SFO
Nonstop1h 48m
Multiple Airlines
Sat 6/1310:27 pm
SFO
-
SAN
Nonstop1h 48m
Multiple Airlines
Deal found 5/3$116
This Expedia deal was found by Cheapflights users on 5/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:15 pm
SAN
-
SFO
Nonstop2h 01m
Multiple Airlines
Sun 5/316:16 am
SFO
-
SAN
Nonstop1h 42m
Multiple Airlines
Deal found 5/3$117
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Sat 5/307:15 pm
SAN
-
SFO
Nonstop2h 01m
Frontier
Wed 6/1710:27 pm
SFO
-
SAN
Nonstop1h 48m
Frontier
Deal found 5/3$118
This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/227:15 pm
SAN
-
SFO
Nonstop2h 01m
Frontier
Sat 5/3010:01 pm
SFO
-
SAN
Nonstop1h 43m
Frontier
Deal found 4/30$119
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Tue 6/169:27 pm
SAN
-
SFO
Nonstop1h 41m
Multiple Airlines
Sat 6/2010:27 pm
SFO
-
SAN
Nonstop1h 48m
Multiple Airlines
Deal found 4/30$120
This Frontier deal was found by Cheapflights users on 5/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:15 pm
SAN
-
SFO
Nonstop2h 01m
Frontier
Tue 5/2610:01 pm
SFO
-
SAN
Nonstop1h 43m
Frontier
Deal found 5/4$121
This Trip.com deal was found by Cheapflights users on 5/3. 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.
Thu 6/48:35 pm
SAN
-
SFO
Nonstop1h 48m
Multiple Airlines
Fri 6/510:01 pm
SFO
-
SAN
Nonstop1h 43m
Multiple Airlines
Deal found 5/3$122
This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:35 pm
SAN
-
SFO
Nonstop1h 55m
Frontier
Wed 6/1712:38 pm
SFO
-
SAN
1 stop11h 15m
Frontier
Deal found 4/30$123
This Super.com deal was found by Cheapflights users on 5/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:25 am
SAN
-
SFO
1 stop29h 22m
Frontier
Wed 6/310:01 pm
SFO
-
SAN
Nonstop1h 43m
Frontier
Deal found 5/4$124
This Expedia deal was found by Cheapflights users on 5/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:15 pm
SAN
-
SFO
Nonstop2h 01m
Frontier
Sun 5/2412:52 pm
SFO
-
SAN
1 stop19h 50m
Frontier
Deal found 5/3$125

Find 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 May 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$113
(Kiwi.com)

One-way from

$63
(Kiwi.com)

Popular in

March

Cheapest in

July

Average price

$137
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. 20% potential increase in price ($45 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 May 4, 2026.
Use the filters below to find and compare flights from San Diego to Fremont that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 5/30

11:01 am-3:56 pm

1 stop4h 55m

San Francisco

Mon 6/1

11:55 am-6:03 pm

1 stop6h 08m

$177

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Tue 6/16

2:40 pm-10:15 pm

2 stops7h 35m

San Francisco

Wed 6/17

5:50 am-7:25 am

Nonstop1h 35m

$187

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Wed 7/22

2:40 pm-10:15 pm

2 stops7h 35m

San Francisco

Sun 7/26

5:40 am-10:40 am

1 stop5h 00m

$197

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 5/29

10:40 am-5:00 pm

2 stops6h 20m

San Francisco

Mon 6/1

3:00 pm-9:10 pm

2 stops6h 10m

$207
Quickest round-trip

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Mon 5/25

6:20 am-8:10 am

Nonstop1h 50m

San Francisco

Thu 5/28

3:40 pm-5:15 pm

Nonstop1h 35m

$217

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 6/18

6:55 pm-12:30 am

2 stops5h 35m

San Francisco

Thu 6/25

6:45 am-8:20 am

Nonstop1h 35m

$222

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 6/6

5:30 pm-11:30 pm

1 stop6h 00m

San Francisco

Sun 6/7

6:25 am-12:10 pm

2 stops5h 45m

$222

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Wed 7/15

6:50 pm-11:15 pm

1 stop4h 25m

San Francisco

Mon 7/20

2:15 pm-11:15 pm

2 stops9h 00m

$232

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Tue 7/7

6:30 am-2:15 pm

2 stops7h 45m

San Francisco

Sat 7/11

3:15 pm-9:55 pm

2 stops6h 40m

$252

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sun 5/10

7:15 am-9:01 am

Nonstop1h 46m

San Francisco

Fri 5/15

8:45 pm-10:37 pm

Nonstop1h 52m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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

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 May 4, 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 19% on flights from San Diego to Fremont by exploring options for tickets in the afternoon.

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 May 2, 2026.

Travelers seeking maximum savings on their San Diego to Fremont flight should consider departing on Saturday evenings 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.

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 May 4, 2026.

The most flights from SAN to FR8 are scheduled on a Friday (73 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (40 on average).

How much does it cost to fly round-trip from San Diego to Fremont?

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 May 4, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Southwest, andHawaiian Airlines from San Diego to Fremont to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 59 outbound flights to Fremont per day. 8 airlines have flights to Fremont from San Diego on a regular basis.

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

  • How long is the flight from San Diego to Fremont?

    Departing from San Diego to Fremont will take you 4h 55m. Airlines will cover a distance of 446 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $30. Spirit Airlines flights start at $36 while deals on Hawaiian Airlines start at $38 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: SWISS (79%), Lufthansa (78%), Qatar Airways (78%).

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

    While on average a flight from San Diego to Fremont is generally $641, our data shows the cheapest flight currently is $58. When looking at the most popular route, (San Diego - San Francisco), you can expect to pay $95 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.

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 8 airlines flying from San Diego to Fremont

Discover the top 8 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 May 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$29Average$96FlexibilityNo cancel feeOn-time65%
FrontierCheapest$29Average$92FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$38Average$140FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$68Average$244FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$77Average$218FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$77Average$192FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$82Average$205FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$217Average$365FlexibilityNo cancel feeOn-time71%

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