What percentage of San Jose to San Diego flights are direct?

Across the trailing quarter, approximately 53.8% of flights from San Jose to San Diego were direct. For travelers opting for connecting flights, the median number of stopovers historically observed was 2. This suggests that while direct options are common, a substantial portion of routes involve at least one stop.

How many hours is the flight from San Jose to San Diego?

The direct flight from San Jose to San Diego typically takes about 1 hour and 30 minutes, covering a distance of 671 kilometers. Flights with one stop, however, have a significantly longer median duration, historically averaging 9 hours and 36 minutes. This difference highlights the convenience of direct routes for this journey.

Should I set a price alert for San Jose to San Diego flights?

Historically, deals for flights from San Jose to San Diego are classified as frequent. This indicates that price fluctuations and opportunities for savings occur regularly. Setting a price alert can be beneficial to capture these frequent deals as they become available.

Flights From San Jose

To San Diego

Cheap Flights from San Jose to San Diego

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Deals from

San Jose

RatePunk searches hundreds of travel sites at once for deals on flights to San Diego

Prices updated today

462 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)

Today’s best flight deals from San Jose to San Diego

Explore current cheapest deals departing from San Jose to San Diego

2026-11-11 – 2026-11-14
SJC - San Diego
67% AI deal score
$136
$103
Round trip
2026-10-12 – 2026-10-14
SJC - San Diego
75% AI deal score
$181
$107
Round trip
2026-10-12 – 2026-10-15
SJC - San Diego
75% AI deal score
$179
$107
Round trip
2026-10-13 – 2026-10-14
SJC - San Diego
75% AI deal score
$181
$107
Round trip
2026-10-15 – 2026-10-22
SJC - San Diego
73% AI deal score
$170
$116
Round trip
2026-10-20 – 2026-10-21
SJC - San Diego
73% AI deal score
$179
$116
Round trip
2026-10-13 – 2026-10-15
SJC - San Diego
73% AI deal score
$181
$116
Round trip
2026-10-20 – 2026-10-24
SJC - San Diego
73% AI deal score
$178
$116
Round trip
2026-10-05 – 2026-10-10
SJC - San Diego
73% AI deal score
$178
$116
Round trip
2026-10-15 – 2026-10-19
SJC - San Diego
72% AI deal score
$179
$116
Round trip

San Jose to San Diego: Overview

Insights for flights from San Jose to San Diego

A meaningful share of flights from San Jose to San Diego are non-stop, with 53.8% of recent itineraries being direct. For the remaining flights, most itineraries connect at least twice. This route is classified as short-haul, covering a distance of 671 kilometers.

For those seeking cheap flights from San Jose to San Diego, prices typically range from $117–$417, with a median fare of $220. Right now, current fares are below the typical level. Only 3% of recent fares were classified as a good price, indicating that finding exceptional deals can be challenging, though new deals appear almost daily.

The cheapest time to fly from San Jose to San Diego is typically in April, with a median fare of $102. Other cost-effective months include November and March, both with median fares of $109. Planning your trip during these months could result in lower travel costs.

A typical journey from San Jose to San Diego takes about 3h 9m, including connections. This median duration accounts for both direct and connecting itineraries, providing a realistic expectation for your travel time between these two cities.

How much is a round trip from San Jose to San Diego

Regular price: $103 - $221

Prices for flights from San Jose to San Diego are currently within the regular range.

The regular price range for this route is $103 to $221. The current lowest deal is $103 with Alaska Airlines, Inc. for travel from Nov 11-Nov 14.

now $103

Low $103

High $221

The cheapest time to fly from San Jose to San Diego

The cheapest month to fly from SJC to SAN is April, with a median price of $102. The most expensive month is May, with a median price of $740. Prices are generally lower from January to November.

April

Cheapest

Flights from $102

May

Most Expensive

Flights from $740

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from San Jose to San Diego

Alaska Airlines, Inc.

Last-minute flights going from San Jose to San Diego

Tue, Sep 15

⌛ Last-Minute

SJC - San Diego

San Jose (SJC) - San Diego (SAN)

American Airlines

$420

$350

One-way

Thu, Sep 17

⌛ Last-Minute

SJC - San Diego

San Jose (SJC) - San Diego (SAN)

American Airlines

$404

$350

One-way

Thu, Sep 24

⌛ Last-Minute

SJC - San Diego

San Jose (SJC) - San Diego (SAN)

Frontier Airlines

$271

$188

One-way

Tue, Sep 29

⌛ Last-Minute

SJC - San Diego

San Jose (SJC) - San Diego (SAN)

Alaska Airlines, Inc.

$132

$108

One-way

Thu, Oct 1

⌛ Last-Minute

SJC - San Diego

San Jose (SJC) - San Diego (SAN)

Alaska Airlines, Inc.

$171

$116

One-way

Thu, Oct 1

⌛ Last-Minute

SJC - San Diego

San Jose (SJC) - San Diego (SAN)

Alaska Airlines, Inc.

$187

$126

One-way

Biggest price drops on these dates for flights from San Jose to San Diego

2 nights

Oct 16 - Oct 18

$339 → $141

58%

4 nights

Oct 2 - Oct 6

$354 → $156

56%

4 nights

Oct 9 - Oct 13

$339 → $147

57%

3 nights

Oct 23 - Oct 26

$336 → $146

57%

Popular Airports to fly from San Jose to San Diego

San Jose - San Diego route insights

💸 Price insights

Recent fares are below the typical level

Recent fares for San Jose to San Diego are below the typical level at $103.

📅 Best time to fly

April, November, and March offer the lowest median prices

Historically, April ($102), November ($109), and March ($109) have offered the lowest median prices.

⏱️ Flight duration

The median flight time is 3h 9m

The median flight time from San Jose to San Diego is 3 hours 9 minutes.

✈️ Airlines & availability

Direct flights are available from Alaska Airlines, Inc.

Alaska Airlines, Inc. offers direct flights on this route, with 53.8% of recent flights being direct.

🏆 Airline highlight

Alaska Airlines, Inc. has a deal for $103

Alaska Airlines, Inc. offers a deal for $103 from November 11-14.

🎯 Booking tip

Deals are frequent on this route

Deals on flights from San Jose to San Diego are frequent, appearing often over 30 days.

San Jose main airports to depart from

San Jose International (SJC)

Cheapest

San Jose International Airport is a convenient option for flights from San Jose to San Diego.

📍 ~5 km from city center (reachable by car or public transport)

💸 Flights from ~$84

San Diego main airports to arrive at

San Diego International (SAN)

Cheapest

San Diego International Airport is a convenient choice for travelers flying from San Jose to San Diego.

📍 ~3 km from San Diego city center (reachable by car)

💸 Flights from ~$84

Airports nearby San Diego used as alternative

Tijuana International (TIJ)

Tijuana International (TIJ) is an extremely close alternative, especially for Mexico-bound travelers via CBX.

📍 ~25 km from San Diego (reachable by car, requires valid passport and CBX fee)

💸 Flights from ~$399

Business & First Class Flight Deals to San Diego

$317

Save $80

Alaska Airlines, Inc.

Business Class

Frequently Asked Questions About Flights to San Diego

Historically, the optimal time to purchase flights from San Jose to San Diego is typically between 28 and 59 days before departure. During this window, the average price observed was $157. Prices tend to be significantly higher for bookings made closer to the travel date, with flights purchased 0-6 days out averaging $469. Even flights booked 60+ days in advance were historically more expensive, with an average price of $225.

Historically, a good price for a flight from San Jose to San Diego is considered to be $117 or less. This threshold represents the lowest 25% of prices observed over a 90-day period. The median price for this route across the trailing quarter was $220, while prices at the 75th percentile reached $417.

Based on historical data over a 270-day window, the cheapest months to fly from San Jose to San Diego typically include April, with a median price of $102. November and March also show historically low median prices at $109 each. The annual median price for this route is $220, indicating that these months offer significant savings compared to the yearly average.

Related routes

More routes from San Jose

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Flights to San Diego from other cities

Flights from Adelaide to San Diego Flights from Albuquerque to San Diego Flights from Atlanta to San Diego Flights from Austin to San Diego Flights from Salt Lake City to San Diego Flights from Tampa to San Diego Flights from Toronto to San Diego Flights from Tucson to San Diego Flights from Tulsa to San Diego Flights from Vancouver to San Diego Flights from Washington, D.C. to San Diego Flights from Zürich to San Diego

San Jose to San Diego: Overview

Insights for flights from San Jose to San Diego

How much is a round trip from San Jose to San Diego

Regular price: $103 - $221

Prices for flights from San Jose to San Diego are currently within the regular range.

The regular price range for this route is $103 to $221. The current lowest deal is $103 with Alaska Airlines, Inc. for travel from Nov 11-Nov 14.

now $103

Low $103

High $221

The cheapest time to fly from San Jose to San Diego

The cheapest month to fly from SJC to SAN is April, with a median price of $102. The most expensive month is May, with a median price of $740. Prices are generally lower from January to November.

April

Cheapest

Flights from $102

May

Most Expensive

Flights from $740

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from San Jose to San Diego

Alaska Airlines, Inc.

Last-minute flights going from San Jose to San Diego

Tue, Sep 15

⌛ Last-Minute

SJC - San Diego

San Jose (SJC) - San Diego (SAN)

American Airlines

$420

$350

One-way

Thu, Sep 17

⌛ Last-Minute

SJC - San Diego

San Jose (SJC) - San Diego (SAN)

American Airlines

$404

$350

One-way

Thu, Sep 24

⌛ Last-Minute

SJC - San Diego

San Jose (SJC) - San Diego (SAN)

Frontier Airlines

$271

$188

One-way

Tue, Sep 29

⌛ Last-Minute

SJC - San Diego

San Jose (SJC) - San Diego (SAN)

Alaska Airlines, Inc.

$132

$108

One-way

Thu, Oct 1

⌛ Last-Minute

SJC - San Diego

San Jose (SJC) - San Diego (SAN)

Alaska Airlines, Inc.

$171

$116

One-way

Thu, Oct 1

⌛ Last-Minute

SJC - San Diego

San Jose (SJC) - San Diego (SAN)

Alaska Airlines, Inc.

$187

$126

One-way

Biggest price drops on these dates for flights from San Jose to San Diego

2 nights

Oct 16 - Oct 18

$339 → $141

58%

4 nights

Oct 2 - Oct 6

$354 → $156

56%

4 nights

Oct 9 - Oct 13

$339 → $147

57%

3 nights

Oct 23 - Oct 26

$336 → $146

57%

Popular Airports to fly from San Jose to San Diego