Question 1

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

Accepted Answer

Within the past month, 2 users have taken a look at flights from San Jose to San Diego.

Question 2

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

Accepted Answer

Our cheapest airline available from San Jose to San Diego is Southwest. Our recent data shows that you can find tickets from as low as £73 on this airline. Additional options worth looking into are Hawaiian Airlines and Alaska Airlines, starting at £93 and £95 round-trip. Southwest is priced at 29% lower than the current average price of a flight leaving 3 months from now.

Question 3

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

Accepted Answer

The cheapet airlines for a one-way flight from San Jose to San Diego are Hawaiian Airlines (£37), Spirit Airlines (£40), and Southwest (£43).

Question 4

How far ahead should I book a flight from San Jose to San Diego?

Accepted Answer

The best time to book flights from San Jose to San Diego is 79 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.

Question 5

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

Accepted Answer

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.

Question 6

What is the cheapest day to fly from San Jose to San Diego?

Accepted Answer

Travellers seeking maximum savings on their San Jose to San Diego flight should consider departing on Thursday at midday when fares are most often at their lowest. Thursday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Question 7

Weekly flight availability from San Jose to San Diego

Accepted Answer

The most flights from SJC to SAN are scheduled on a Monday (27 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Question 8

E

Accepted Answer

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.

Question 9

E

Accepted Answer

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).

Question 10

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

Accepted Answer

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: Hawaiian Airlines (88%), SkyWest Airlines (87%), Alaska Airlines (87%).

Question 11

What is the cheapest day to fly round-trip from San Jose to San Diego?

Accepted Answer

Flights from San Jose to San Diego are found to be more expensive on Thursday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Diego.

Question 12

How far in advance should I book a flight from San Jose to San Diego?

Accepted Answer

Find a great deal and save up to 56% by booking at least 43 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from San Jose to San Diego within the next two weeks, with the cheapest ticket starting at £79.

Question 13

What is the cheapest month to fly from San Jose to San Diego?

Accepted Answer

October can be a great time to fly to San Diego from San Jose with a flight ticket averaging about £103. Cheapflights users have found deals in the month of October for as cheap as £20. The most expensive prices can be found in the month of June.

Question 14

What is the cheapest time of day to fly from SJC to SAN?

Accepted Answer

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 33% on airfare.

Question 15

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

Accepted Answer

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

Question 16

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

Accepted Answer

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.

Question 17

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

Accepted Answer

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.

Question 18

How does Cheapflights help users find flights from San Jose to San Diego?

Accepted Answer

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.

Question 19

Why should you use Cheapflights to find cheap flight tickets from San Jose to San Diego?

Accepted Answer

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.

Question 20

Can Cheapflights find flights from San Jose to San Diego with no change fees?

Accepted Answer

Yes! Cheapflights helps users easily find flights from San Jose to San Diego with no change fees.

Question 21

Can Cheapflights notify me if prices for flights from San Jose to San Diego become cheaper?

Accepted Answer

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.

Round-trip from	£73
One-way from	£37
Popular in	June
Cheapest in	October
Average price	£127

Cheap flights from San Jose 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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Jose to San Diego

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 30 July 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 30 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Jose to San Diego that are best for you.

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 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 25 July 2025.

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

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 30 July 2025.

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 30 July 2025.

Reviews of airlines servicing San Diego

See what other customers who have flown with Alaska Airlines, Southwest, andDelta from San Jose to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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

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

Travelling to a place near San Diego?

Browse 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?

Why should you use Cheapflights to find cheap flight tickets from San Jose to San Diego?

Can Cheapflights 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?

100% Free

Book with Flexibility

Travel Smart

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 30 July 2025.