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.

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 |
Fly from
Fly to
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
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
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
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
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
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
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
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
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
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
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
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.
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.
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.
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.
About 17% of weekly flights between San Jose and San Diego have experienced delays in the past year, with the average delay time being 102 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
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.
Over the last year, Alaska Airlines have had the lowest number of delays on this route, with just 15% of flights being delayed.
Food
Crew
Entertainment
Overall
Boarding
Comfort
Reviews
Anonymous,Dec 2025
SJC - SEA
Food
Crew
Entertainment
Overall
Boarding
Comfort
Reviews
Anonymous,Dec 2025
SJC - SEA
Food
Crew
Entertainment
Overall
Boarding
Comfort
Reviews
Anonymous,Dec 2025
SJC - SEA
Food
Crew
Entertainment
Overall
Boarding
Comfort
Reviews
Anonymous,Dec 2025
SJC - SEA
Food
Crew
Entertainment
Overall
Boarding
Comfort
Reviews
Anonymous,Dec 2025
SJC - SEA
Food
Crew
Entertainment
Overall
Boarding
Comfort
Reviews
Anonymous,Dec 2025
SJC - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$28 | Average$91 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$49 | Average$123 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$58 | Average$167 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$77 | Average$177 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$92 | Average$229 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$97 | Average$206 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$207 | Average$351 | FlexibilityNo cancel fee | On-time71% |