How much does it cost to fly round-trip from San Diego to San Jose?

Airfare is below average for this route at the moment. San Diego to San Jose flights typically cost between $88 and $182 in September. The cheapest round-trip price found within the last 3 days was $81 on Alaska Airlines (Sep 17-Sep 24).

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

This flight path from San Diego to San Jose was viewed by 50 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from San Diego to San Jose?

A quick flight from San Diego to San Jose can take about 6h 25m. Spirit Airlines provides one of the quickest options available for as low as $86. San Diego and San Jose are separated by a distance of 417 mi.

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

Cheapflights users have booked flights from San Diego to San Jose round-trip from $29. Other airlines that can offer you cheap pricing are Spirit Airlines, from $45, and Hawaiian Airlines, from $48. You may be able to fly from San Diego to San Jose for 78% less than the average price by searching for these airlines.

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

The best time to book flights from San Diego to San Jose is 25 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 Diego to San Jose?

Currently, September is the cheapest month in which you can book a flight from San Diego to San Jose (average of $255). Flying from San Diego to San Jose in June is currently the most expensive (average of $359). 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 day to fly from San Diego to San Jose?

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

In terms of precipitation, rainfall in San Jose ranges from 0.0 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. July is typically the driest time to visit San Jose when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Jose, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

What are the cheapest flights from San Diego to San Jose?

The cheapest flight price from San Diego to San Jose is $48. On average you can expect to pay $215. The most popular route, (San Diego - San Jose), can usually be booked for $77.

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

The top 3 most reliable airlines when flying from San Diego to San Jose are SkyWest Airlines (81%), American Airlines (81%) and Alaska Airlines (81%).

What are the most popular airlines that fly from San Diego to San Jose?

Consider American Airlines, Alaska Airlines or Frontier when booking your flight. These represent the most popular airlines when flying from San Diego to San Jose.

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

Departing on a Thursday is a good option for securing a great price. You can expect to save up to 42% when planning your travel around this day of the week.

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

Users have found that booking a flight from San Diego to San Jose at least 26 days early can save you up to 44% on average compared to booking a flight this week. If booking 26 days before your flight isn’t an option for you, users have found flights from San Diego to San Jose for as little as $98 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $176 for flights departing within the next 3 days.

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

Our data shows that October tends to be the cheapest month to fly to San Jose from San Diego. Users have commonly found prices around $137 for the month, but tickets can be as low as $28. Due to multiple factors, prepare for potentially higher prices in July.

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

One of the essential ways to save on airfare from San Diego to San Jose is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 46% on airfare.

What airports do I use to fly from San Diego to San Jose?

You will need to book a flight from San Diego to San Jose if you want to fly from San Diego to San Jose. At least 7 different airlines have flights from San Diego (SAN) to San Jose (SJC) on a regular basis. There are 17 flights to San Jose from the San Diego airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SAN to SJC to be around 1h 25m.

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

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

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

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

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

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

$49+ Cheap Flights from San Diego to San Jose

Round-trip from	$81 (Kissandfly.com)
One-way from	$49 (Alaska Airlines)
Popular in	July
Cheapest in	October
Average price	$127
Good round-trip deal	$112 or less
Good one-way deal	$78 or less

Frontier's UpFront Plus seats offer extra comfort with a guaranteed empty middle seat.

Frontier's Zone 1 boarding is available with a carry-on purchase or special fare bundle.

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$29	Average$80	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$46	Average$101	FlexibilityNo cancel fee	On-time65%
Hawaiian Airlines	Cheapest$48	Average$157	FlexibilityNo cancel fee	On-time85%
United Airlines	Cheapest$57	Average$287	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$97	Average$182	FlexibilityNo cancel fee	On-time63%
Alaska Airlines	Cheapest$107	Average$198	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$158	Average$416	FlexibilityNo cancel fee	On-time71%

$49+ Cheap flights from San Diego to San Jose (SAN - SJC)

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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from San Diego to San Jose are usually found in October or September, booked 25 days in advance, depart on a Friday or Saturday and return on a Saturday

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Cheapest flights from San Diego to San JoseExplore the most affordable flight options available from San Diego to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Explore the most affordable flight options available from San Diego to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

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Best time to book a flight from San Diego to San Jose

Have a flexible travel schedule? Discover the best time to fly to San Jose from San Diego with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Diego to San Jose

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

Use this chart to determine the optimal time to book a round-trip flight from San Diego to San Jose. Price data was last updated on August 8, 2025.

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

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

Find hourly flight availability from San Diego to San Jose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from San Diego to San Jose. Price data was last updated on August 10, 2025.

How much does it cost to fly round-trip from San Diego to San Jose?

Reviews of airlines servicing San Jose

Read through reviews of airlines operating flights from San Diego to San Jose, such as Alaska Airlines, Southwest, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Diego to San Jose. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from San Diego to San Jose?

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

How long is the flight from San Diego to San Jose?

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

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

What are the cheapest flights from San Diego to San Jose?

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

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

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

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

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Cheapest flights from San Diego to San Jose
Explore the most affordable flight options available from San Diego to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.