Cheap flights from San Jose, California to San Diego from £37
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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
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 29 October 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 29 October 2025.
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 29 October 2025.
Round-trip from | £73 |
|---|---|
One-way from | £37 |
Popular in | July |
Cheapest in | January |
Average price | £116 |
Cheapflights Fare Finder
Use the filters below to find and compare flights from San Jose to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San JoseSan Diego
SJC - SAN
SJCSAN
San Jose
Tue 9/12
15:09-16:33
Nonstop1h 24m
San Diego
Wed 10/12
10:22-11:58
Nonstop1h 36m
San JoseSan Diego
SJC - SAN
SJCSAN
San Jose
Thu 4/12
06:30-07:55
Nonstop1h 25m
San Diego
Mon 8/12
16:10-21:50
1 stop5h 40m
San JoseSan Diego
SJC - SAN
SJCSAN
San Jose
Thu 20/11
06:30-07:55
Nonstop1h 25m
San Diego
Tue 2/12
09:30-11:05
Nonstop1h 35m
San JoseSan Diego
SJC - SAN
SJCSAN
San Jose
Thu 11/12
07:00-08:32
Nonstop1h 32m
San Diego
Sat 13/12
16:03-17:37
Nonstop1h 34m
San JoseSan Diego
SJC - SAN
SJCSAN
San Jose
Wed 10/12
12:10-17:05
1 stop4h 55m
San Diego
Sun 14/12
06:30-08:05
Nonstop1h 35m
San JoseSan Diego
SJC - SAN
SJCSAN
San Jose
Sat 13/12
14:10-15:35
Nonstop1h 25m
San Diego
Sun 14/12
07:00-08:35
Nonstop1h 35m
San JoseSan Diego
SJC - SAN
SJCSAN
San Jose
Fri 5/12
09:55-15:35
1 stop5h 40m
San Diego
Mon 8/12
16:10-21:50
1 stop5h 40m
San JoseSan Diego
SJC - SAN
SJCSAN
San Jose
Fri 5/12
18:59-22:54
1 stop3h 55m
San Diego
Tue 9/12
09:59-13:16
1 stop3h 17m
San JoseSan Diego
SJC - SAN
SJCSAN
San Jose
Sun 16/11
07:00-08:31
Nonstop1h 31m
San Diego
Wed 19/11
10:25-12:01
Nonstop1h 36m
San JoseSan Diego
SJC - SAN
SJCSAN
San Jose
Sun 1/3
09:50-11:10
Nonstop1h 20m
San Diego
Wed 4/3
08:35-12:35
1 stop4h 00m
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.
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?
Booking 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Jose, California 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, California to San Diego?
Currently, November is the cheapest month in which you can book a flight from San Jose, California to San Diego (average of £20). Flying from San Jose, California to San Diego in September is currently the most expensive (average of £48). 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?
When flying from San Jose, California 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.
How often are flights from San Jose to San Diego delayed?
About 16% of weekly flights between San Jose and San Diego have experienced delays in the past year, with the average delay time being 103 minutes.
What is the most punctual flight time for San Jose to San Diego flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening 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 Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Jose to San Diego flights?
Over the past year, Braathens Regional Aviation have had the lowest number of delays on this route, with no flights being classified as delayed.
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.
Travelling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsBrowse 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.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from San Jose to San Diego?
When you search for this flight from San Jose to San Diego, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from San Jose to San Diego?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Diego from San Jose.
Can Cheapflights find flights from San Jose to San Diego with no change fees?
Yes! Cheapflights helps users easily find flights from San Jose to San Diego with no change fees.
Can Cheapflights notify me if prices for flights from San Jose to San Diego become cheaper?
Yes, Cheapflights offers price alerts on San Jose to San Diego flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.