Spirit's Big Front Seats offer wider seats and 11 inches more legroom.
Spirit's Zone 1 boarding includes one personal item and a paid carry-on bag.
$70+ Cheap flights from San Diego to San Jose, CA (SAN - SJC)
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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SJC
Jan 27 — Feb 31
1 adult, Economy
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Find cheap flights from San Diego to San Jose 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 San Jose are usually found in January or May, booked 63 days in advance, depart on a Friday or Thursday and return on a Saturday
Cheap flight deals from San Diego to San Jose
Cheapest flights from San Diego to San JoseExplore the most affordable flight options available from San Diego to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.
Explore the most affordable flight options available from San Diego to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.
This Delta deal was found by Cheapflights users on 12/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:15 pmSAN - SJC
1 stop6h 21mDelta
Sat 1/106:00 pmSJC - SAN
1 stop4h 47mDelta
Deal found 12/26![Delta logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:02 amSAN - SJC
Nonstop1h 47mAlaska Airlines
Sat 1/107:52 pmSJC - SAN
Nonstop1h 25mAlaska Airlines
Deal found 12/26![Alaska Airlines logo]()
$447
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:11 pmSAN - SJC
Nonstop1h 35mAlaska Airlines
Sun 1/116:00 amSJC - SAN
1 stop6h 00mAlaska Airlines
Deal found 12/26![Alaska Airlines logo]()
$457
This Kiwi.com deal was found by Cheapflights users on 12/27. 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 12/318:56 pmSAN - SJC
Nonstop1h 43mAlaska Airlines
Sat 1/36:52 pmSJC - SAN
Nonstop1h 32mAlaska Airlines
Deal found 12/27![Alaska Airlines logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 12/27. 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 12/318:56 pmSAN - SJC
Nonstop1h 43mAlaska Airlines
Sun 1/48:00 pmSJC - SAN
Nonstop1h 29mAlaska Airlines
Deal found 12/27![Alaska Airlines logo]()
$498
This American Airlines deal was found by Cheapflights users on 12/25. 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.
Wed 12/3112:29 pmSAN - SJC
Nonstop1h 47mAmerican Airlines
Sat 1/39:56 amSJC - SAN
1 stop5h 28mAmerican Airlines
Deal found 12/25![American Airlines logo]()
$508
This United Airlines deal was found by Cheapflights users on 12/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:30 amSAN - SJC
1 stop7h 03mUnited Airlines
Tue 1/68:40 amSJC - SAN
1 stop6h 24mUnited Airlines
Deal found 12/26![United Airlines logo]()
$518
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:56 pmSAN - SJC
Nonstop1h 43mAlaska Airlines
Mon 1/52:53 pmSJC - SAN
Nonstop1h 32mAlaska Airlines
Deal found 12/26![Alaska Airlines logo]()
$528
This Southwest deal was found by Cheapflights users on 12/27. 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.
Sun 12/283:55 pmSAN - SJC
2 stops5h 20mSouthwest
Sun 1/411:55 amSJC - SAN
Nonstop1h 20mSouthwest
Deal found 12/27![Southwest logo]()
$543
This Southwest deal was found by Cheapflights users on 12/28. 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.
Mon 12/293:55 pmSAN - SJC
2 stops5h 20mSouthwest
Mon 1/57:30 amSJC - SAN
1 stop3h 15mSouthwest
Deal found 12/28![Southwest logo]()
$548
This Kiwi.com deal was found by Cheapflights users on 12/27. 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 12/309:31 amSAN - SJC
Nonstop1h 40mAlaska Airlines
Tue 12/302:53 pmSJC - SAN
Nonstop1h 32mAlaska Airlines
Deal found 12/27![Alaska Airlines logo]()
$550
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/284:11 pmSAN - SJC
Nonstop1h 35mAlaska Airlines
Sun 12/288:00 pmSJC - SAN
Nonstop1h 29mAlaska Airlines
Deal found 12/26![Alaska Airlines logo]()
$551
Find flight deals from San Diego to San Jose
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to San Jose (SJC). 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 28, 2025.
Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $132 (Alaska Airlines) |
One-way from | $70 (Kiwi.com) |
Popular in | November |
Cheapest in | January |
Average price | $187 |
Good round-trip deal | $207 or less |
Good one-way deal | $143 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to San Jose 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 28, 2025.
Use the filters below to find and compare flights from San Diego to San Jose that are best for you.
Fly from
San Diego
Fly to
San Jose
Route
Depart
Return
Price
San DiegoSan Jose
SAN - SJC
SANSJC
San Diego
Fri 1/16
8:59 pm-10:35 pm
Nonstop1h 36m
San Jose
Tue 1/20
7:52 pm-9:17 pm
Nonstop1h 25m
$132
San DiegoSan Jose
SAN - SJC
SANSJC
San Diego
Wed 1/28
5:25 pm-9:15 pm
1 stop3h 50m
San Jose
Sat 1/31
12:35 pm-8:20 pm
1 stop7h 45m
$136
San DiegoSan Jose
SAN - SJC
SANSJC
San Diego
Sat 1/24
2:20 pm-7:25 pm
1 stop5h 05m
San Jose
Sun 1/25
7:30 am-8:55 am
Nonstop1h 25m
$142
San DiegoSan Jose
SAN - SJC
SANSJC
San Diego
Thu 1/29
2:00 pm-3:30 pm
Nonstop1h 30m
San Jose
Wed 2/4
5:30 pm-8:50 pm
1 stop3h 20m
$142
San DiegoSan Jose
SAN - SJC
SANSJC
San Diego
Mon 2/2
8:01 am-9:47 am
Nonstop1h 46m
San Jose
Fri 2/6
5:45 pm-7:15 pm
Nonstop1h 30m
$147
San DiegoSan Jose
SAN - SJC
SANSJC
San Diego
Fri 1/16
10:35 am-12:09 pm
Nonstop1h 34m
San Jose
Sun 1/18
12:46 pm-2:11 pm
Nonstop1h 25m
$147
San DiegoSan Jose
SAN - SJC
SANSJC
San Diego
Sat 1/17
10:40 am-6:15 pm
2 stops7h 35m
San Jose
Mon 1/19
1:00 pm-2:25 pm
Nonstop1h 25m
$147
San DiegoSan Jose
SAN - SJC
SANSJC
San Diego
Sun 1/25
10:35 am-12:09 pm
Nonstop1h 34m
San Jose
Mon 1/26
5:45 pm-7:15 pm
Nonstop1h 30m
$147
San DiegoSan Jose
SAN - SJC
SANSJC
San Diego
Sat 1/17
10:40 am-6:15 pm
2 stops7h 35m
San Jose
Sun 1/18
7:30 am-8:55 am
Nonstop1h 25m
$147
San DiegoSan Jose
SAN - SJC
SANSJC
San Diego
Fri 1/16
10:35 am-12:09 pm
Nonstop1h 34m
San Jose
Mon 1/19
7:00 am-8:27 am
Nonstop1h 27m
$147
Showing 1-10 of 22 results
Compare providers for flights from San Diego to San Jose
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 Diego to San Jose in December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Diego-San Jose, California flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on San Diego-San Jose, California flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from San Diego-San Jose, California flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-San Jose, California flights, Cheapflights users trust Justfly.com the most. Justfly.com 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 Diego-San Jose, California 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 Diego to San Jose
Have a flexible travel schedule? Discover the best time to fly to San Jose 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 San Jose
Prices
Airlines
Delays
How far ahead should I book a flight from San Diego to San Jose, California?
Use this chart to determine the optimal time to book a round-trip flight from San Diego to San Jose. Price data was last updated on December 26, 2025.
To ensure you get the cheapest price possible for a flight from San Diego to San Jose, California, you should look to book at least 63 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 Diego to San Jose, California?
Currently, February is the cheapest month in which you can book a flight from San Diego to San Jose, California (average of $18). Flying from San Diego to San Jose, California in November is currently the most expensive (average of $62). 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 SAN to SJC?
Find hourly flight availability from San Diego to San Jose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 28, 2025.
One of the essential ways to save on airfare from San Diego to San Jose, California is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 36% on airfare.
What is the cheapest day to fly from San Diego to San Jose, California?
Use this chart to determine the cheapest time to fly round-trip from San Diego to San Jose. Price data was last updated on December 20, 2025.
Travelers seeking maximum savings on their San Diego to San Jose, California flight should consider departing on Thursday at noon 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.
How often are flights from San Diego to San Jose delayed?
About 17% of weekly flights between San Diego and San Jose have experienced delays in the past year, with the average delay time being 113 minutes.
What is the most punctual flight time for San Diego to San Jose flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Diego to San Jose flights?
Over the last year, Frontier have had the lowest number of delays on this route, with just 12% of flights being delayed.
The best insider tips for San Diego to San Jose 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 Diego to San Jose trip
Reviews of airlines servicing San Jose
Get insights into the airlines that provide service to San Jose. 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 Jose. Reviews last updated December 28, 2025.
Read through reviews of airlines operating flights from San Diego to San Jose, such as Alaska Airlines, Southwest, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Related info for your journey
Find useful and relevant information for your journey from San Diego to San Jose. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for San Diego to San Jose
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from San Diego to San Jose
Discover the top 7 airlines that operate flights from San Diego to San Jose. 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 28, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$44 | Average$107 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$47 | Average$114 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$57 | Average$217 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$58 | Average$156 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$97 | Average$182 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$105 | Average$202 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$222 | Average$398 | FlexibilityNo cancel fee | On-time71% |