Trip.com
>
Flights
>
Flights to United States
>
Flights to California
>
Flights to San Diego
Hotels in San Diego
>
Flights from San Jose to San Diego

Flight Info | San Jose to San Diego

The distance between San Jose and San Diego is approximately 670.42 km. It takes around 1 hour 35 minutes on average to fly from San Jose to San Diego. Based on Trip.com's data, travel demand peaks in July. The cheapest month to book is October.

Cheapest one-way
$50
Alaska Airlines Alaska Airlines SJC-SAN 1h 33m · Nonstop Wed, Aug 26
Select flight
Cheapest round-trip
$90
Alaska Airlines Alaska Airlines SJC-SAN 1h 33m · Nonstop Sat, Sep 5 - Sun, Sep 6
Select flight
Recommended airlines
Alaska Airlines Alaska Airlines Cheapest · From $50 Alaska Airlines Alaska Airlines Most booked
When to travel
November
Cheapest
July
Peak season for travel
Route details
670.42 km
Flight distance
1h 35m
Average flight time

Book direct flights from San Jose to San Diego: One way flights from $50, round trip flights from $90. Find flight deals for the next 3 months below.

      • Cheapest nonstop
        SJC 8:17 PM
        1h 33m
        Nonstop
        SAN 9:50 PM
        San Jose - San Diego | Sat, Sep 5 | Alaska Airlines
        SAN 7:45 AM
        1h 38m
        Nonstop
        SJC 9:23 AM
        San Diego - San Jose | Sun, Sep 6 | Alaska Airlines
        $90 $134
        33% off
        33% off
        $134 $90
      • SJC 7:29 AM
        1h 37m
        Nonstop
        SAN 9:06 AM
        San Jose - San Diego | Fri, Sep 11 | Alaska Airlines
        SAN 7:30 PM
        1h 30m
        Nonstop
        SJC 9:00 PM
        San Diego - San Jose | Fri, Sep 11 |
        $102 $134
        24% off
        24% off
        $134 $102
      • SJC 7:29 AM
        1h 37m
        Nonstop
        SAN 9:06 AM
        San Jose - San Diego | Mon, Sep 28 | Alaska Airlines
        SAN 1:21 PM
        1h 34m
        Nonstop
        SJC 2:55 PM
        San Diego - San Jose | Mon, Oct 5 | Alaska Airlines
        $106 $134
        21% off
        21% off
        $134 $106
      • SJC 8:29 AM
        1h 27m
        Nonstop
        SAN 9:56 AM
        San Jose - San Diego | Tue, Sep 8 | Alaska Airlines
        SAN 12:15 PM
        1h 30m
        Nonstop
        SJC 1:45 PM
        San Diego - San Jose | Sat, Sep 12 | Alaska Airlines
        $107
        20% off
        $134 $107
      • SJC 6:33 AM
        1h 39m
        Nonstop
        SAN 8:12 AM
        San Jose - San Diego | Sat, Oct 10 | Alaska Airlines
        SAN 9:51 AM
        1h 29m
        Nonstop
        SJC 11:20 AM
        San Diego - San Jose | Wed, Oct 14 | Alaska Airlines
        $107
        20% off
        $134 $107
      • SJC 8:29 AM
        1h 27m
        Nonstop
        SAN 9:56 AM
        San Jose - San Diego | Sun, Sep 6 | Alaska Airlines
        SAN 12:15 PM
        1h 30m
        Nonstop
        SJC 1:45 PM
        San Diego - San Jose | Fri, Sep 11 | Alaska Airlines
        $109
        19% off
        $134 $109
      • SJC 8:29 AM
        1h 27m
        Nonstop
        SAN 9:56 AM
        San Jose - San Diego | Thu, Sep 10 | Alaska Airlines
        SAN 5:39 PM
        1h 30m
        Nonstop
        SJC 7:09 PM
        San Diego - San Jose | Mon, Sep 14 | Alaska Airlines
        $109
        19% off
        $134 $109
      • SJC 8:29 AM
        1h 27m
        Nonstop
        SAN 9:56 AM
        San Jose - San Diego | Wed, Sep 30 | Alaska Airlines
        SAN 4:04 PM
        1h 37m
        Nonstop
        SJC 5:41 PM
        San Diego - San Jose | Wed, Oct 7 | Alaska Airlines
        $110
        18% off
        $134 $110
      • SJC 1:00 PM
        17h 25m
        1 stop
        SAN 2:00 PM
        San Jose - San Diego | Thu, Aug 20 | Normal Airline
        SAN 3:00 PM
        6h
        Nonstop
        SJC 4:00 PM
        San Diego - San Jose | Sat, Aug 22 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        SJC 8:17 PM
        1h 33m
        Nonstop
        SAN 9:50 PM
        San Jose - San Diego | Wed, Aug 26 | Alaska Airlines
        $50 $67
        25% off
        25% off
        $67 $50
      • SJC 8:17 PM
        1h 33m
        Nonstop
        SAN 9:50 PM
        San Jose - San Diego | Mon, Sep 14 | Alaska Airlines
        $54 $67
        19% off
        19% off
        $67 $54
      • SJC 8:17 PM
        1h 33m
        Nonstop
        SAN 9:50 PM
        San Jose - San Diego | Wed, Sep 16 | Alaska Airlines
        $54 $67
        19% off
        19% off
        $67 $54
      • SJC 8:06 PM
        1h 35m
        Nonstop
        SAN 9:41 PM
        San Jose - San Diego | Mon, Oct 12 | Alaska Airlines
        $55
        18% off
        $67 $55
      • SJC 5:15 PM
        1h 28m
        Nonstop
        SAN 6:43 PM
        San Jose - San Diego | Tue, Oct 6 | Alaska Airlines
        $55
        18% off
        $67 $55
      • SJC 3:51 PM
        1h 29m
        Nonstop
        SAN 5:20 PM
        San Jose - San Diego | Sat, Oct 10 | Alaska Airlines
        $55
        18% off
        $67 $55
      • SJC 8:17 PM
        1h 33m
        Nonstop
        SAN 9:50 PM
        San Jose - San Diego | Wed, Sep 30 | Alaska Airlines
        $55
        18% off
        $67 $55
      • SJC 8:17 PM
        1h 33m
        Nonstop
        SAN 9:50 PM
        San Jose - San Diego | Wed, Sep 2 | Alaska Airlines
        $55
        18% off
        $67 $55
      • SJC 7:44 PM
        1h 35m
        Nonstop
        SAN 9:19 PM
        San Jose - San Diego | Tue, Oct 13 | Alaska Airlines
        $55
        18% off
        $67 $55
      • SJC 1:00 PM
        17h 25m
        1 stop
        SAN 2:00 PM
        San Jose - San Diego | Thu, Aug 20 | Normal Airline
        Find more flights
        Find more flights

Popular airlines from San Jose to San Diego

Direct flights available! Find 1 airlines fly direct from San Jose to San Diego, including Alaska Airlines, Alaska Airlines offers the cheapest non stop flights.
Alaska Airlines logo Alaska Airlines
Airlines are determined based on actual purchased flight tickets from San Jose to San Diego according to previous 12 months data from Trip.com.

Trip.com price insights on flights from San Jose to San Diego

Which month has the cheapest one-way flights from San Jose to San Diego?

The average price of one-way flights from San Jose to San Diego purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from San Jose to San Diego is November, with an average price of $82; while the month with the highest flight price is usually September, with an average price of up to $265.

$265
$174
$82
0
    Cheapest
  • $121
    Aug
  • $265
    Sep
  • $94
    Oct
  • $82
    Nov
  • $154
    Dec
  • $205
    Jan
  • $175
    Feb
  • $155
    Mar
  • $214
    Apr
  • $129
    May
  • $160
    Jun
  • $170
    Jul

When is the cheapest day to fly from San Jose to San Diego during Labor Day?

Data is based on the lowest one-way price from San Jose to San Diego during Labor Day on Trip.com in the past 3 days.

Labor Day is scheduled for Sep 7. The cheapest flights from San Jose to San Diego are available on Sep 7, with fares starting at $57.

$223
$140
$57
0
    Cheapest
  • $93
    3
    Sep
  • $223
    4
  • $72
    5
  • $72
    6
  • $57
    7
  • $72
    8
  • $72
    9

Frequently Asked Questions

  • What are the cheapest flights from San Jose to San Diego (SJC-SAN)?

    Based on Trip.com data, Alaska Airlines offers one-way fares as low as $50 on Cheapest nonstop routes (e.g. SJC to SAN on Wed, Aug 26), while Alaska Airlines offers Cheapest nonstop round-trips from $90 departing on Sat, Sep 5 and returning on Sun, Sep 6.
  • At the moment, you can catch a nonstop flight from San Jose to San Diego with the following airlines, including: Alaska Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 1 hour 35 minutes to fly from San Jose (SJC) to San Diego (SAN).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Jose to San Diego is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 137 flight per week flying from San Jose to San Diego. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/-/-/-/-/- -- AS3059 (10:08) Alaska Airlines: S/M/-/-/-/-/- -- AS1623 (07:35)
  • To find best deals on flights from San Jose to San Diego, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Aug 26, with one-way flights priced at just $50.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Alaska Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for San Diego travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from San Jose to San Diego is October, when demand for travel is lower.
  • After crunching the numbers on our August flight calendar, it's currently cheapest to fly from San Jose to San Diego on August 18, 2026 with Alaska Airlines, with prices starting at $46.
  • You can land at any one of the following hubs in San Diego, with San Jose Mineta International Airport to San Diego International Airport (SJC-SAN) is by far the most common option on this route: San Diego International Airport (SAN) McClellan-Palomar Airport (CLD) Marine Corps Air Station Miramar (NKX).
  • The time difference between San Diego and San Jose is 0m.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from San Jose to San Diego is $135. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from San Jose to San Diego is $220. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter San Jose and San Diego, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

Explore More Popular Flights

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.