San Diego

$29+ Cheap flights from Fremont, CA to San Diego (SAN)

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAN
abr. 22 — abr. 291
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Fremont to San Diego 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 Fremont to San Diego are usually found in January or February, booked 30 days in advance, depart on a Saturday or Tuesday and return on a Friday

Cheap flight deals from Fremont to San Diego

Keep the following information in mind while searching for Fremont to San Diego flight deals. Data was last updated abril 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$57
(Alaska Airlines)

One-way from

$29
(Alaska Airlines)

Popular in

July

Cheapest in

January

Average price

$157
Provider with most accurate pricing for San Francisco-San Diego flight deals.
Provider most trusted by Cheapflights users for San Francisco-San Diego flights.
From Fremont to San Diego
One-way flight from Fremont to San Diego
Highest demand for flights based on searches. 14% potential increase in price ($24 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from Fremont to San Diego

Cheapest flights from Fremont to San Diego
Explore the most affordable flight options available from Fremont to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
mar. 4/298:30 amSFO - SAN
Nonstop1h 35mAlaska Airlines
mié. 5/72:55 pmSAN - SFO
Nonstop1h 40mAlaska Airlines
Deal found 4/15$57
This Frontier deal was found by Cheapflights users on 4/16. 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.
sáb. 5/34:54 pmSFO - SAN
Nonstop1h 44mFrontier
lun. 5/58:32 amSAN - SFO
Nonstop1h 51mFrontier
Deal found 4/16$58
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
sáb. 5/174:54 pmSFO - SAN
Nonstop1h 44mMultiple Airlines
mar. 5/206:15 amSAN - SFO
Nonstop1h 44mMultiple Airlines
Deal found 4/16$64
This United Airlines deal was found by Cheapflights users on 4/17. 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.
sáb. 5/34:53 pmSFO - SAN
Nonstop1h 40mUnited Airlines
sáb. 5/37:40 pmSAN - SFO
Nonstop1h 45mUnited Airlines
Deal found 4/17$85
This Southwest deal was found by Cheapflights users on 4/17. 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.
sáb. 4/269:00 amSFO - SAN
1 stop6h 00mSouthwest
mar. 4/298:10 pmSAN - SFO
Nonstop1h 35mSouthwest
Deal found 4/17$91
This Trip.com deal was found by Cheapflights users on 4/16. 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.
lun. 4/217:35 amSFO - SAN
Nonstop1h 36mHawaiian Airlines
jue. 4/246:15 amSAN - SFO
Nonstop1h 47mHawaiian Airlines
Deal found 4/16$133
This American Airlines deal was found by Cheapflights users on 4/16. 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.
sáb. 4/197:50 amSFO - SAN
1 stop4h 11mAmerican Airlines
dom. 4/206:29 amSAN - SFO
1 stop5h 47mAmerican Airlines
Deal found 4/16$159
This Delta deal was found by Cheapflights users on 4/16. 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.
jue. 5/16:10 amSFO - SAN
1 stop4h 12mDelta
lun. 5/56:15 pmSAN - SFO
1 stop4h 23mDelta
Deal found 4/16$177

Cheapflights Fare Finder

Customize your flight search to find flights from Fremont to San Diego 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 17, 2025.
Use the filters below to find and compare flights from Fremont to San Diego that are best for you.

Fly from

Fremont

Fly to

San Diego

Route

Depart

Return

Price

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

mar. 4/29

8:30 am-10:05 am

Nonstop1h 35m

San Diego

mié. 5/7

2:55 pm-4:35 pm

Nonstop1h 40m

$57

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

sáb. 5/3

4:54 pm-6:38 pm

Nonstop1h 44m

San Diego

lun. 5/5

8:32 am-10:23 am

Nonstop1h 51m

$58

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

sáb. 5/17

4:54 pm-6:38 pm

Nonstop1h 44m

San Diego

mar. 5/20

6:15 am-7:59 am

Nonstop1h 44m

$64

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

sáb. 5/3

4:53 pm-6:33 pm

Nonstop1h 40m

San Diego

sáb. 5/3

7:40 pm-9:25 pm

Nonstop1h 45m

$85

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

sáb. 4/26

9:00 am-5:30 pm

1 stop8h 30m

San Diego

mié. 4/30

7:55 am-9:30 am

Nonstop1h 35m

$91

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

lun. 4/21

7:35 am-9:11 am

Nonstop1h 36m

San Diego

jue. 4/24

6:15 am-8:02 am

Nonstop1h 47m

$133

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

jue. 4/24

3:54 pm-9:37 pm

1 stop5h 43m

San Diego

lun. 4/28

7:30 pm-11:58 pm

1 stop4h 28m

$159

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

jue. 5/1

6:10 am-10:22 am

1 stop4h 12m

San Diego

lun. 5/5

6:15 pm-10:38 pm

1 stop4h 23m

$177

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

mar. 6/10

6:00 am-7:39 am

Nonstop1h 39m

$29

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

lun. 4/28

4:44 pm-6:28 pm

Nonstop1h 44m

$30

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 16 results
1
2

Best time to book a flight from Fremont to San Diego

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

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

Use this chart to determine the optimal time to book a round-trip flight from Fremont to San Diego. Price data was last updated on April 11, 2025.

Booking 30 days in advance of your planned departure date is, on average, the best time to get cheap flights from Fremont to San Diego. 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 Fremont to San Diego?

Currently, August is the cheapest month in which you can book a flight from Fremont to San Diego (average of $286). Flying from Fremont to San Diego in March is currently the most expensive (average of $366). 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 FR8 to SAN?

Find hourly flight availability from Fremont to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 17, 2025.

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

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

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

Weekly flight availability from Fremont to San Diego

Explore weekly flight availability from Fremont to San Diego. 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 abril 17, 2025.

The most flights from FR8 to SAN are scheduled on a Thursday (88 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (25 on average).

Rainfall in San Diego by month

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

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

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

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated abril 17, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Fremont to San Diego by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
8.0
Very good

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Related info for your journey

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

    For a flight from Fremont to San Diego, you will be flying into 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 63 inbound flights from Fremont per day. 9 airlines have flights to San Diego from Fremont on a regular basis.

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

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

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $29. Frontier flights start at $30 while deals on Southwest start at $41 one-way.

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

    Before booking your flight to San Diego from Fremont, check out the most reliable airlines to get you to your destination on time: Copa Airlines (95%), Air China (94%), Emirates( 90%).

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

    While on average a flight from Fremont to San Diego is generally $286, our data shows the cheapest flight currently is $29. When looking at the most popular route, (San Francisco - San Diego), you can expect to pay $52 for that flight.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Fremont to San Diego (average of $286). Flying from Fremont to San Diego in March is currently the most expensive (average of $366). 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

Traveling to a place near Fremont?

Book flights to Fremont if you plan to visit one of these locations
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado

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 Fremont to San Diego

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

Top 8 airlines flying from Fremont to San Diego

Discover the top 8 airlines that operate flights from Fremont to San Diego. 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$28Average$144FlexibilityNo cancel feeOn-time85%
Spirit AirlinesCheapest$29Average$103FlexibilityNo cancel feeOn-time65%
FrontierCheapest$33Average$95FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$57Average$244FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$76Average$216FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$97Average$220FlexibilityNo cancel feeOn-time63%
DeltaCheapest$157Average$246FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$158Average$349FlexibilityNo 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.