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$50+ Cheap flights from San Jose 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SAN
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from San Jose to San Diego are usually found in October or September, booked 79 days in advance, depart on a Saturday or Thursday and return on a Friday

Cheap 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 July 29, 2025.

Round-trip from

$97
(Southwest)

One-way from

$50
(CheapOair)

Popular in

June

Cheapest in

October

Average price

$169

Good round-trip deal

$144 or less

Good one-way deal

$95 or less
From San Jose to San Diego
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One-way flight from San Jose to San Diego
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Highest demand for flights based on searches. 19% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from San Jose to San Diego.
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Price to beat on a one-way flight from San Jose to San Diego.
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Find 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 July 29, 2025.

This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/235:50 pmSJC - SAN
Nonstop1h 25mSouthwest
Wed 9/2410:30 amSAN - SJC
Nonstop1h 30mSouthwest
Deal found 7/28$97
This CheapOair deal was found by Cheapflights users on 7/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:00 amSJC - SAN
1 stop11h 56mSpirit Airlines
Wed 9/247:47 pmSAN - SJC
1 stop11h 33mSpirit Airlines
Deal found 7/28$98
This SmartFares deal was found by Cheapflights users on 7/26. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/69:09 pmSJC - SAN
Nonstop1h 30mHawaiian Airlines
Tue 9/98:43 amSAN - SJC
Nonstop1h 40mHawaiian Airlines
Deal found 7/26$102
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/239:09 pmSJC - SAN
Nonstop1h 30mAlaska Airlines
Wed 8/276:59 pmSAN - SJC
Nonstop1h 30mAlaska Airlines
Deal found 7/28$112
This Orbitz deal was found by Cheapflights users on 7/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/126:30 amSJC - SAN
1 stop3h 25mMultiple Airlines
Sat 8/165:35 pmSAN - SJC
Nonstop1h 32mMultiple Airlines
Deal found 7/26$151

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 July 29, 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 8/23

11:50 am-1:15 pm

Nonstop1h 25m

San Diego

Sat 8/30

5:45 pm-7:10 pm

Nonstop1h 25m

$97

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Sat 8/23

6:00 am-5:56 pm

1 stop11h 56m

San Diego

Wed 9/24

7:47 pm-7:20 am

1 stop11h 33m

$98

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Sat 9/6

9:09 pm-10:39 pm

Nonstop1h 30m

San Diego

Tue 9/9

8:43 am-10:23 am

Nonstop1h 40m

$102

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Mon 9/15

2:50 pm-4:19 pm

Nonstop1h 29m

San Diego

Thu 9/18

6:59 pm-8:29 pm

Nonstop1h 30m

$127

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Tue 8/12

6:30 am-9:55 am

1 stop3h 25m

San Diego

Sat 8/16

5:35 pm-7:07 pm

Nonstop1h 32m

$151

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Sat 9/6

6:00 am-6:42 pm

1 stop12h 42m

$50

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Sat 8/16

2:10 pm-9:00 pm

1 stop6h 50m

$58

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Sat 9/6

6:40 am-8:18 am

Nonstop1h 38m

$64

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Thu 8/28

6:15 am-7:50 am

Nonstop1h 35m

$79

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Sun 9/14

9:47 am-3:21 pm

1 stop5h 34m

$80

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 12 results
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The best insider tips for San Jose to San Diego flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
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.

Read more about Spirit Airlinesby Daniel Scheffler
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.

Read more about Frontierby Marisa Garcia
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.

Read more about Alaska Airlinesby Robert Schrader
Airports
SJC

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

Read more about SJCby Daniel Scheffler
SAN

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

Read more about SANby Blane Bachelor
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
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
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
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

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 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 July 25, 2025.

Booking 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Jose 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 San Jose to San Diego?

Currently, August is the cheapest month in which you can book a flight from San Jose to San Diego (average of $286). Flying from San Jose 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 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 July 29, 2025.

It’s typically best to fly out from San Jose to San Diego in the morning. Doing so could potentially save you 30% 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 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 July 27, 2025.

Travelers seeking maximum savings on their San Jose to San Diego flight should consider departing on Thursday afternoons 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 Jose to San Diego

Explore weekly flight availability from San Jose 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 July 29, 2025.

The most flights from SJC to SAN are scheduled on a Monday (27 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (12 on average).

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 July 29, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,979 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 23m 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 to San Diego flight route?

    Within the past month, 46 users have taken a look at flights from San Jose to San Diego.

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

    Southwest, at $97, was found to be the cheapest airline from San Jose to San Diego.Alternate airlines to your destination round-trip include Spirit Airlines and Hawaiian Airlines. These flights start at 29% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $50. Southwest flights start at $58 while deals on Hawaiian Airlines start at $64 one-way.

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

    The top 3 most reliable airlines when flying from San Jose to San Diego are Hawaiian Airlines (88%), SkyWest Airlines (87%) and Alaska Airlines (87%).

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

    Looking at all options, your cheapest flight can be booked for $48. While the most popular route (San Jose - San Diego) can be booked for $79 on average our data indicates $181 when flying from San Jose 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 to San Diego?

    Currently, August is the cheapest month in which you can book a flight from San Jose to San Diego (average of $286). Flying from San Jose 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 San Diego?

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

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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$31Average$76FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$43Average$102FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$58Average$157FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$84Average$197FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$99Average$202FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$100Average$226FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$129Average$317FlexibilityNo cancel feeOn-time71%

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