San Diego

$59+ Cheap flights from San Jose, CA to San Diego (SJC - 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SAN
Jan 9 — Jan 161
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Jose 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 San Jose to San Diego are usually found in January or February, booked 79 days in advance, depart on a Thursday or Saturday and return on a Friday

Cheap flight deals from San Jose to San Diego

Cheapest flights from San Jose to San Diego
Explore the most affordable flight options available from San Jose to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 10, 2025.

This Southwest deal was found by Cheapflights users on 12/9. 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.
Wed 12/317:30 pmSJC - SAN
Nonstop1h 20mSouthwest
Tue 1/65:40 pmSAN - SJC
1 stop4h 15mSouthwest
Deal found 12/9$127
This Southwest deal was found by Cheapflights users on 12/10. 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.
Wed 12/317:30 pmSJC - SAN
Nonstop1h 20mSouthwest
Thu 1/16:30 amSAN - SJC
Nonstop1h 35mSouthwest
Deal found 12/10$147
This Southwest deal was found by Cheapflights users on 12/9. 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.
Tue 12/309:40 pmSJC - SAN
Nonstop1h 20mSouthwest
Thu 1/16:30 amSAN - SJC
Nonstop1h 35mSouthwest
Deal found 12/9$197
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/173:09 pmSJC - SAN
Nonstop1h 24mAlaska Airlines
Wed 1/218:59 pmSAN - SJC
Nonstop1h 36mAlaska Airlines
Deal found 12/9$206
This Alaska Airlines deal was found by Cheapflights users on 12/7. 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.
Wed 12/316:52 pmSJC - SAN
Nonstop1h 32mAlaska Airlines
Mon 1/59:31 amSAN - SJC
Nonstop1h 40mAlaska Airlines
Deal found 12/7$207
This Southwest deal was found by Cheapflights users on 12/9. 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.
Wed 12/174:40 pmSJC - SAN
1 stop4h 30mSouthwest
Wed 1/219:00 amSAN - SJC
Nonstop1h 35mSouthwest
Deal found 12/9$217
This Southwest deal was found by Cheapflights users on 12/9. 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.
Wed 12/317:30 pmSJC - SAN
Nonstop1h 20mSouthwest
Fri 1/27:30 amSAN - SJC
Nonstop1h 30mSouthwest
Deal found 12/9$225
This Southwest deal was found by Cheapflights users on 12/10. 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.
Mon 12/296:45 pmSJC - SAN
1 stop4h 15mSouthwest
Sat 1/102:35 pmSAN - SJC
Nonstop1h 30mSouthwest
Deal found 12/10$228

Find flight deals from San Jose to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 10, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$116
(Kiwi.com)

One-way from

$59
(Southwest)

Popular in

November

Cheapest in

January

Average price

$228

Good round-trip deal

$236 or less

Good one-way deal

$132 or less
Provider with most accurate pricing for San Jose-San Diego flight deals.
Provider most trusted by Cheapflights users for San Jose-San Diego flights.
From San Jose to San Diego
One-way flight from San Jose to San Diego
Highest demand for flights based on searches. 22% potential increase in price ($52 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from San Jose to San Diego.
Price to beat on a one-way flight from San Jose to San Diego.

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose 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 December 10, 2025.
Use the filters below to find and compare flights from San Jose to San Diego that are best for you.

Fly from

San Jose

Fly to

San Diego

Route

Depart

Return

Price

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Sat 2/7

7:00 am-8:27 am

Nonstop1h 27m

San Diego

Tue 2/10

10:35 am-12:09 pm

Nonstop1h 34m

$117

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Wed 1/14

2:00 pm-3:25 pm

Nonstop1h 25m

San Diego

Wed 1/21

5:40 pm-9:55 pm

1 stop4h 15m

$127

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Tue 1/6

9:00 am-10:25 am

Nonstop1h 25m

San Diego

Tue 1/13

7:00 am-8:35 am

Nonstop1h 35m

$132

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Wed 1/7

7:00 am-8:27 am

Nonstop1h 27m

San Diego

Thu 1/15

12:47 pm-2:21 pm

Nonstop1h 34m

$132

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Wed 2/11

11:20 am-5:15 pm

2 stops5h 55m

San Diego

Wed 2/18

5:40 pm-9:55 pm

1 stop4h 15m

$142

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Wed 1/7

8:05 am-2:45 pm

1 stop6h 40m

San Diego

Thu 1/15

7:00 pm-8:35 pm

Nonstop1h 35m

$142

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Sat 1/10

2:15 pm-3:40 pm

Nonstop1h 25m

San Diego

Sun 1/11

8:00 am-12:50 pm

1 stop4h 50m

$142

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Sat 2/14

8:05 pm-9:34 pm

Nonstop1h 29m

San Diego

Sat 2/21

10:29 am-12:08 pm

Nonstop1h 39m

$144

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Sun 3/8

8:05 pm-9:34 pm

Nonstop1h 29m

San Diego

Fri 3/13

10:25 am-12:08 pm

Nonstop1h 43m

$147

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Fri 2/6

8:04 pm-9:29 pm

Nonstop1h 25m

San Diego

Sun 2/8

10:35 am-12:09 pm

Nonstop1h 34m

$147

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 22 results
1
2
3

Compare providers for flights from San Jose to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Jose to San Diego in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Jose, California-San Diego flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on San Jose, California-San Diego flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from San Jose, California-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Jose, California-San Diego flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Jose, California-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Jose to San Diego

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

How far ahead should I book a flight from San Jose, California to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from San Jose to San Diego. Price data was last updated on December 5, 2025.

To ensure you get the cheapest price possible for a flight from San Jose, California to San Diego, you should look to book at least 79 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San Jose, California to San Diego?

Currently, December is the cheapest month in which you can book a flight from San Jose, California to San Diego (average of $23). Flying from San Jose, California to San Diego in September is currently the most expensive (average of $64). 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 SJC to SAN?

Find hourly flight availability from San Jose 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 December 10, 2025.

It’s typically best to fly out from San Jose, California to San Diego in the afternoon. Doing so could potentially save you 35% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from San Jose, California to San Diego?

Use this chart to determine the cheapest time to fly round-trip from San Jose to San Diego. Price data was last updated on December 6, 2025.

Travelers seeking maximum savings on their San Jose, California to San Diego flight should consider departing on Saturday afternoons 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.

The best insider tips for San Jose to San Diego flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Jose to San Diego trip
Airlines
Spirit Airlines

Spirit's self-service bag drop saves time; print your boarding pass to avoid extra fees.


Spirit's Zone 1 boarding includes a personal item and paid carry-on, ideal for quick boarding.

Alaska Airlines

Alaska's Premium Class offers extra legroom and free cocktails, enhancing comfort on short flights.


Alaska's Wi-Fi is a flat fee, perfect for working during flights, regardless of flight length.

Frontier

Frontier's UpFront Plus seats guarantee an empty middle seat for added comfort.


Frontier's Zone 1 boarding is available with a carry-on purchase, ensuring quicker boarding.

Airports
SJC

SJC is known as the “least-airporty airport” due to its quieter atmosphere and easy navigation, making it ideal for quick departures.

SAN

For a quick ride to downtown San Diego, consider a taxi or rideshare, but plan for potential traffic congestion.

Our travel experts
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines and SJC

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Blane Bachelor

Blane Bachelor

Expert on SAN

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more

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 December 10, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Hawaiian Airlines from San Jose to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Food

7.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Food

7.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Food

7.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Food

7.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Food

7.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

Find useful and relevant information for your journey from San Jose 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 airports do I use to fly from San Jose to San Diego?

    To fly from San Jose to San Diego, you need to book a flight from San Jose (SJC) to San Diego (SAN). Nonstop flights to San Diego from San Jose take 1h 20m on average. When it comes time to book airfare, you have a few options: there are 21 outbound flights from San Jose to San Diego offered by 7 different airlines.

  • How popular is this San Jose, California to San Diego flight route?

  • How long is the flight from San Jose, California to San Diego?

    For as low as $127, Alaska Airlines can have you in San Diego from San Jose, California in 1h 25m. San Jose, California and San Diego are separated by a distance of 417 mi. Most flights are nonstop.

  • What are the cheapest airlines flying from San Jose, California to San Diego round-trip?

    Frontier, at $27, was found to be the cheapest airline from San Jose, California to San Diego.Alternate airlines to your destination round-trip include Spirit Airlines and Hawaiian Airlines. Frontier is 84% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from San Jose, California to San Diego one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $19. However, be on the lookout for offers from Spirit Airlines and Alaska Airlines, as they are both options that can get you from San Jose, California to San Diego for a low price.

  • What are the most reliable airlines from San Jose, California to San Diego?

    The top 3 most reliable airlines when flying from San Jose, California to San Diego are SkyWest Airlines (76%), Alaska Airlines (68%) and American Airlines (67%).

  • What are the cheapest flights from San Jose, California to San Diego?

    Looking at all options, your cheapest flight can be booked for $67. While the most popular route (San Jose - San Diego) can be booked for $117 on average, our data indicates $316 when flying from San Jose, California to San Diego.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Jose 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 San Jose, California to San Diego?

    Currently, December is the cheapest month in which you can book a flight from San Jose, California to San Diego (average of $23). Flying from San Jose, California to San Diego in September is currently the most expensive (average of $64). 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 San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
La Mesa
Poway
Lemon Grove
Julian
National City

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 Jose to San Diego

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

Top 7 airlines flying from San Jose to San Diego

Discover the top 7 airlines that operate flights from San Jose 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 December 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$28Average$91FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$49Average$123FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$58Average$167FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$77Average$177FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$92Average$229FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$97Average$206FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$207Average$351FlexibilityNo 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.