Fremont

$69+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SFO
Aug 2 — Aug 91
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego 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 Diego to Fremont are usually found in October or August, 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 July 3, 2026.

This Super.com deal was found by Cheapflights users on 6/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/317:46 pm
SAN
-
SFO
Nonstop1h 52m
Frontier
Mon 8/310:23 pm
SFO
-
SAN
Nonstop1h 41m
Frontier
Deal found 6/30$91
This Frontier deal was found by Cheapflights users on 7/1. 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 7/317:46 pm
SAN
-
SFO
Nonstop1h 52m
Frontier
Wed 8/510:23 pm
SFO
-
SAN
Nonstop1h 36m
Frontier
Deal found 7/1$92
This Frontier deal was found by Cheapflights users on 7/1. 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 8/2710:00 am
SAN
-
SFO
Nonstop1h 52m
Frontier
Sun 9/61:07 pm
SFO
-
SAN
Nonstop1h 43m
Frontier
Deal found 7/1$93
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Wed 7/2911:04 am
SAN
-
SFO
Nonstop1h 47m
Multiple Airlines
Wed 7/2910:23 pm
SFO
-
SAN
Nonstop1h 41m
Multiple Airlines
Deal found 6/30$94
This Flightnetwork deal was found by Cheapflights users on 6/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:45 pm
SAN
-
SFO
Nonstop1h 47m
Frontier
Thu 8/201:07 pm
SFO
-
SAN
Nonstop1h 43m
Frontier
Deal found 6/29$95
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:46 pm
SAN
-
SFO
Nonstop1h 52m
Frontier
Fri 7/2410:23 pm
SFO
-
SAN
Nonstop1h 41m
Frontier
Deal found 6/29$96
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 9/810:00 am
SAN
-
SFO
Nonstop1h 52m
Multiple Airlines
Thu 9/178:25 am
SFO
-
SAN
Nonstop1h 43m
Multiple Airlines
Deal found 7/1$97
This Frontier deal was found by Cheapflights users on 6/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:36 pm
SAN
-
SFO
Nonstop1h 46m
Frontier
Wed 9/305:52 pm
SFO
-
SAN
Nonstop1h 45m
Frontier
Deal found 6/28$98
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:46 pm
SAN
-
SFO
Nonstop1h 52m
Frontier
Tue 8/44:30 pm
SFO
-
SAN
1 stop21h 38m
Frontier
Deal found 7/2$100
This WAYA deal was found by Cheapflights users on 6/30. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/53:03 pm
SAN
-
SFO
1 stop6h 09m
Frontier
Mon 8/1010:23 pm
SFO
-
SAN
Nonstop1h 36m
Frontier
Deal found 6/30$101
This WAYA deal was found by Cheapflights users on 7/1. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/43:03 pm
SAN
-
SFO
1 stop4h 49m
Frontier
Thu 8/610:23 pm
SFO
-
SAN
Nonstop1h 36m
Frontier
Deal found 7/1$102
This Frontier deal was found by Cheapflights users on 6/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:36 pm
SAN
-
SFO
Nonstop1h 46m
Frontier
Sun 9/275:52 pm
SFO
-
SAN
Nonstop1h 45m
Frontier
Deal found 6/28$103

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 July 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$91
(Super.com)

One-way from

$69
(Southwest)

Popular in

March

Cheapest in

October

Average price

$167
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. 15% potential increase in price ($36 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in July 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 July 3, 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
Quickest round-trip

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 8/6

1:05 pm-2:40 pm

Nonstop1h 35m

San Francisco

Wed 8/12

2:35 pm-7:50 pm

1 stop5h 15m

$127

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Wed 9/2

3:30 pm-9:20 pm

2 stops5h 50m

San Francisco

Tue 9/15

12:05 pm-6:25 pm

2 stops6h 20m

$147

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Mon 9/14

7:58 pm-11:58 pm

1 stop4h 00m

San Francisco

Mon 9/21

6:43 pm-11:42 pm

1 stop4h 59m

$157

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 7/25

3:00 pm-7:30 pm

1 stop4h 30m

San Francisco

Thu 7/30

6:43 pm-11:42 pm

1 stop4h 59m

$157

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Wed 8/26

7:20 am-2:40 pm

2 stops7h 20m

San Francisco

Mon 8/31

6:45 am-8:15 am

Nonstop1h 30m

$172

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 8/13

3:10 pm-9:30 pm

2 stops6h 20m

San Francisco

Sat 8/15

5:00 am-9:05 am

1 stop4h 05m

$172

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 7/30

9:45 am-3:25 pm

2 stops5h 40m

San Francisco

Sat 8/1

5:55 pm-10:55 pm

1 stop5h 00m

$172

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 8/27

1:20 pm-7:05 pm

2 stops5h 45m

San Francisco

Sat 8/29

5:00 am-11:15 am

2 stops6h 15m

$177

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Tue 8/4

5:30 pm-7:05 pm

Nonstop1h 35m

San Francisco

Fri 8/7

11:30 am-8:00 pm

2 stops8h 30m

$182

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Tue 9/8

7:20 am-2:40 pm

2 stops7h 20m

San Francisco

Sat 9/12

12:40 pm-9:05 pm

1 stop8h 25m

$192

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 23 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 July 3, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 17% on flights from San Diego to Fremont by exploring options for tickets at noon.

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 July 3, 2026.

The most flights from SAN to FR8 are scheduled on a Thursday (85 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (30 on average).

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

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 June 27, 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. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 3, 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.

Entertainment

7.0

Crew

8.5

Overall

7.9

Food

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Entertainment

7.0

Crew

8.5

Overall

7.9

Food

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Entertainment

7.0

Crew

8.5

Overall

7.9

Food

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Entertainment

7.0

Crew

8.5

Overall

7.9

Food

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Entertainment

7.0

Crew

8.5

Overall

7.9

Food

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Entertainment

7.0

Crew

8.5

Overall

7.9

Food

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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 58 outbound flights to Fremont per day. 7 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 1h 35m. 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 $31. Southwest flights start at $38 while deals on United Airlines start at $50 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: Air New Zealand (63%), SWISS (60%), Frontier (58%).

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

    While on average a flight from San Diego to Fremont is generally $1,605, our data shows the cheapest flight currently is $64. When looking at the most popular route, (San Diego - San Francisco), you can expect to pay $59 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

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 Diego to Fremont

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

Top 7 airlines flying from San Diego to Fremont

Discover the top 7 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 July 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$43Average$105FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$58Average$148FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$68Average$240FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$77Average$236FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$90Average$207FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$97Average$214FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$217Average$378FlexibilityNo cancel feeOn-time71%

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.