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Cheap flights from San Jose to San Diego from £39

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SAN
26 Feb — 5 Mar1
1 adult

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 21 February 2025.

Round-trip from

£77

One-way from

£39

Popular in

April

Cheapest in

October

Average price

£112
Alaska Airlines
  • Alaska Airlines
  • 6/5-14/5
  • Nonstop
  • 3h 03m total
  • San Jose to San Diego
Hawaiian Airlines
  • Hawaiian Airlines
  • 20/5
  • Nonstop
  • 1h 29m total
  • San Jose to San Diego
Highest demand for flights based on searches. 20% potential increase in price (£20 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in February 2025

Find flight deals from San Jose to San Diego

Cheapest flights from San Jose to San Diego
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 21 February 2025.

Tue 6/512:00SJC - SAN
Nonstop1h 27mHawaiian Airlines
Tue 13/508:55SAN - SJC
Nonstop1h 36mHawaiian Airlines
Deal found 20/2£77
Fri 14/306:15SJC - SAN
Nonstop1h 25mAlaska Airlines
Sat 15/321:17SAN - SJC
Nonstop1h 28mAlaska Airlines
Deal found 20/2£85
Tue 29/410:35SJC - SAN
1 stop4h 35mSouthwest
Wed 30/406:45SAN - SJC
2 stops5h 40mSouthwest
Deal found 20/2£97
Mon 12/511:28SJC - SAN
1 stop3h 24mDelta
Thu 15/515:21SAN - SJC
1 stop4h 00mDelta
Deal found 20/2£156

Find flights from San Jose to San Diego within your budget

Customise 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 858,174 searches. Data last updated 21 February 2025.

Fly from

San Jose

Fly to

San Diego

Route

Depart

Return

Price

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Tue 6/5

12:00-13:27

Nonstop1h 27m

San Diego

Tue 13/5

08:55-10:31

Nonstop1h 36m

£77

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Fri 14/3

06:15-07:40

Nonstop1h 25m

San Diego

Sat 15/3

21:17-22:45

Nonstop1h 28m

£85

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Tue 29/4

10:35-15:10

1 stop4h 35m

San Diego

Wed 30/4

06:45-12:25

2 stops5h 40m

£97

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Mon 12/5

11:28-14:52

1 stop3h 24m

San Diego

Thu 15/5

15:21-19:21

1 stop4h 00m

£156

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Tue 20/5

15:39-17:08

Nonstop1h 29m

£39

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Thu 10/4

06:30-07:55

Nonstop1h 25m

£40

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Sat 8/3

11:00-12:27

Nonstop1h 27m

£59

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Sun 25/5

07:00-10:12

1 stop3h 12m

£71

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Sat 24/5

14:30-12:28

3 stops21h 58m

£316

Flights are sorted by cheapest return flights first.

Deals found on 21/2

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 return 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.

Travel insights for flights from San Jose to San Diego

Get recent, data-driven insights about flights from San Jose to San Diego including ideal travel times, pricing trends, and more.

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 return flight from San Jose to San Diego. Price data was last updated on 14 February 2025.

The best time to book flights from San Jose to San Diego is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Jose to San Diego?

Currently, January is the cheapest month in which you can book a flight from San Jose to San Diego (average of £585). Flying from San Jose to San Diego in July is currently the most expensive (average of £920). 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 21 February 2025.

One of the essential ways to save on airfare from San Jose to San Diego is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 43% on airfare.

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 21 February 2025.

The most flights from SJC to SAN are scheduled on a Thursday (36 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 - 58.0 inches per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

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 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

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 21 February 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from San Jose to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.1

Crew

8.7

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Food

7.1

Crew

8.7

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Food

7.1

Crew

8.7

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

8.0
Very Good

Food

7.1

Crew

8.7

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Food

7.1

Crew

8.7

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Food

7.1

Crew

8.7

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

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.
  • How popular is this San Jose to San Diego flight route?

  • What are the cheapest airlines flying from San Jose to San Diego round-trip?

    Our cheapest airline available from San Jose to San Diego is Alaska Airlines. Our recent data shows that you can find tickets from as low as £77 on this airline. Additional options worth looking into are Hawaiian Airlines and Southwest, starting at £78 and £97 round-trip. Alaska Airlines is priced at 23% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from San Jose to San Diego one-way?

    The cheapet airlines for a one-way flight from San Jose to San Diego are Hawaiian Airlines (£39), Southwest (£40), and Alaska Airlines (£59).

  • What are the most reliable airlines from San Jose to San Diego?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Jose to San Diego on time: American Airlines (75%), Southwest (71%), Hawaiian Airlines (70%).

  • Can I find deals for flights from San Jose to San Diego that include hotel bookings?

    Yes. In addition to deals on San Jose to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San Jose to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to San Diego.

  • Can I find deals for business class flights from San Jose to San Diego?

    Yes. Cheapflights offers flight deals from San Jose to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Jose to San Diego?

    Currently, January is the cheapest month in which you can book a flight from San Jose to San Diego (average of £585). Flying from San Jose to San Diego in July is currently the most expensive (average of £920). 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.

See more FAQs

Travelling to a place near San Jose?

Book flights to San Jose if you plan to visit one of these locations
El Cajon

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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.

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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.

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