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.
$46+ 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SAN
Jun 17 — Jun 241
1 adult, Economy
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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
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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 October or September, booked 82 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 June 12, 2025.
Round-trip from | $90 (FlightHub) |
|---|---|
One-way from | $46 (FlightHub) |
Popular in | May |
Cheapest in | October |
Average price | $165 |
Good round-trip deal | $136 or less |
Good one-way deal | $77 or less |
Find flight deals from San Jose to San Diego
Cheapest flights from San Jose to San DiegoExplore 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 June 12, 2025.
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 June 12, 2025.
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/306:00 amSJC - SAN
1 stop12h 26mSpirit Airlines
Fri 7/41:05 pmSAN - SJC
Nonstop1h 26mSpirit Airlines
Deal found 6/12![Spirit Airlines logo]()
$90
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 7/97:47 pmSJC - SAN
Nonstop1h 32mAlaska Airlines
Wed 7/168:59 pmSAN - SJC
Nonstop1h 32mAlaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$117
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/136:15 amSJC - SAN
Nonstop1h 40mHawaiian Airlines
Thu 8/141:03 pmSAN - SJC
Nonstop1h 34mHawaiian Airlines
Deal found 6/10![Hawaiian Airlines logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Thu 7/106:15 amSJC - SAN
Nonstop1h 40mMultiple Airlines
Thu 7/102:01 pmSAN - SJC
Nonstop1h 26mMultiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$121
This Southwest deal was found by Cheapflights users on 6/10. 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.
Fri 7/115:55 pmSJC - SAN
1 stop5h 10mSouthwest
Tue 7/156:30 amSAN - SJC
Nonstop1h 30mSouthwest
Deal found 6/10![Southwest logo]()
$142
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/117:11 pmSJC - SAN
1 stop4h 31mDelta
Mon 7/149:45 amSAN - SJC
1 stop6h 18mDelta
Deal found 6/10![Delta logo]()
$177
This KAYAK deal was found by Cheapflights users on 6/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/72:12 pmSJC - SAN
1 stop3h 58mFrontier
Thu 7/1012:59 pmSAN - SJC
1 stop5h 05mFrontier
Deal found 6/11![Frontier logo]()
$238
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 June 12, 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
Mon 6/30
6:00 am-6:26 pm
1 stop12h 26m
San Diego
Fri 7/4
1:05 pm-2:31 pm
Nonstop1h 26m
$90
San JoseSan Diego
SJC - SAN
SJCSAN
San Jose
Wed 7/9
10:20 am-11:52 am
Nonstop1h 32m
San Diego
Wed 7/16
8:10 am-9:43 am
Nonstop1h 33m
$117
San JoseSan Diego
SJC - SAN
SJCSAN
San Jose
Mon 8/11
10:20 am-11:52 am
Nonstop1h 32m
San Diego
Thu 8/14
1:03 pm-2:37 pm
Nonstop1h 34m
$119
San JoseSan Diego
SJC - SAN
SJCSAN
San Jose
Thu 7/10
6:15 am-7:55 am
Nonstop1h 40m
San Diego
Thu 7/10
2:01 pm-3:27 pm
Nonstop1h 26m
$121
San JoseSan Diego
SJC - SAN
SJCSAN
San Jose
Fri 7/11
5:55 pm-11:05 pm
1 stop5h 10m
San Diego
Tue 7/15
6:30 am-8:00 am
Nonstop1h 30m
$142
San JoseSan Diego
SJC - SAN
SJCSAN
San Jose
Fri 7/11
7:11 pm-11:42 pm
1 stop4h 31m
San Diego
Mon 7/14
9:45 am-4:03 pm
1 stop6h 18m
$177
San JoseSan Diego
SJC - SAN
SJCSAN
San Jose
Mon 7/7
2:12 pm-6:10 pm
1 stop3h 58m
San Diego
Thu 7/10
12:59 pm-6:04 pm
1 stop5h 05m
$238
San JoseSan Diego
SJC - SAN
SJCSAN
San Jose
Thu 7/17
11:31 am-1:06 pm
Nonstop1h 35m
$46
San JoseSan Diego
SJC - SAN
SJCSAN
San Jose
Tue 8/19
10:20 am-11:52 am
Nonstop1h 32m
$55
San JoseSan Diego
SJC - SAN
SJCSAN
San Jose
Tue 8/26
9:09 pm-10:39 pm
Nonstop1h 30m
$59
Showing 1-10 of 15 results
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 Airlines
![Frontier]()
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.
![Alaska Airlines]()
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.
Airports
Our travel experts
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 June 9, 2025.
Booking 82 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 June 12, 2025.
It’s typically best to fly out from San Jose to San Diego in the afternoon. Doing so could potentially save you 39% 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 June 8, 2025.
Travelers seeking maximum savings on their San Jose to San Diego flight should consider departing on Tuesday at noon 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 June 12, 2025.
The most flights from SJC to SAN are scheduled on a Thursday (27 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 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 June 12, 2025.
To help decide which airline to fly from San Jose to San Diego, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.1
Boarding
8.1
Comfort
7.8
Overall
8.0
Entertainment
7.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Food
7.1
Boarding
8.1
Comfort
7.8
Overall
8.0
Entertainment
7.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Food
7.1
Boarding
8.1
Comfort
7.8
Overall
8.0
Entertainment
7.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Food
7.1
Boarding
8.1
Comfort
7.8
Overall
8.0
Entertainment
7.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Food
7.1
Boarding
8.1
Comfort
7.8
Overall
8.0
Entertainment
7.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Food
7.1
Boarding
8.1
Comfort
7.8
Overall
8.0
Entertainment
7.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
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.
Traveling to a place near San Jose?
Book flights to San Jose if you plan to visit one of these locationsEl Cajon
Chula Vista
National City
Imperial Beach
La Mesa
Alpine
Lemon Grove
Poway
Santee
Coronado
Browse thousands of different options on Cheapflights for your next trip
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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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$33 | Average$72 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$44 | Average$97 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$58 | Average$152 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$84 | Average$177 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$100 | Average$232 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$101 | Average$204 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$133 | Average$339 | FlexibilityNo cancel fee | On-time71% |