How often are flights from San Jose to San Diego delayed?

About 22% of weekly flights between San Jose and San Diego have experienced delays in the past year, with the average delay time being 103 minutes.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

What is the most punctual flight time for San Jose to San Diego flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

Which airline has the best punctuality record on San Jose to San Diego flights?

Over the past year, Alaska Airlines have had the lowest number of delays on this route, with just 18% of flights being delayed.

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

This flight path from San Jose to San Diego was viewed by 1 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 Jose, California to San Diego?

For as low as £86, Southwest can have you in San Diego from San Jose, California in 1h 35m. San Jose, California and San Diego are separated by a distance of 417 mi. All flights are typically direct.

Weekly flight availability from San Jose, California to San Diego

The most flights from SJC to SAN are scheduled on a Wednesday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

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.

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).

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

Looking at all options, your cheapest flight can be booked for £35. While the most popular route (San Jose - San Diego) can be booked for £86 on average, our data indicates £42 when flying from San Jose, California to San Diego.

What are the most reliable airlines from San Jose, California 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, California to San Diego on time: Alaska Airlines (62%), SkyWest Airlines (60%), American Airlines (59%).

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.

£44+ Cheap Flights from San Jose, California to San Diego

Cheap flight deals from San Jose to San Diego

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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 10 September 2026.

Thu 1/1007:29 -

Nonstop1h 37m

Mon 5/1016:04 -

Nonstop1h 37m

Deal found 10/9£86

Sat 17/1017:15 -

Nonstop1h 28m

Tue 20/1016:04 -

Nonstop1h 37m

Deal found 10/9£90

Thu 5/1120:30 -

1 stop3h 20m

Sat 7/1109:05 -

Nonstop1h 35m

Deal found 10/9£91

Thu 15/1014:00 -

Nonstop1h 40m

Wed 21/1016:40 -

1 stop4h 50m

Deal found 8/9£94

Wed 18/1107:37 -

Nonstop1h 25m

Wed 18/1111:38 -

2 stops8h 08m

Deal found 9/9£97

Tue 27/1009:20 -

2 stops6h 20m

Thu 12/1114:40 -

Nonstop1h 25m

Deal found 10/9£98

Sat 7/1107:37 -

Nonstop1h 25m

Sun 15/1107:40 -

Nonstop1h 41m

Deal found 8/9£102

Tue 27/1006:00 -

1 stop5h 45m

Tue 3/1110:55 -

2 stops5h 25m

Deal found 10/9£105

Thu 5/1120:30 -

1 stop3h 20m

Tue 10/1108:00 -

Nonstop1h 30m

Deal found 6/9£106

Tue 22/1207:20 -

Nonstop1h 28m

Fri 25/1209:05 -

Nonstop1h 45m

Deal found 8/9£106

Fri 16/1020:55 -

Nonstop1h 40m

Sun 18/1007:45 -

Nonstop1h 30m

Deal found 10/9£109

Find flight deals from San Jose to San Diego

Round-trip from	£86
One-way from	£44
Popular in	May
Cheapest in	September
Average price	£145
Good one-way deal	£36 or less

Southwest
22/10-29/10
Nonstop
3h 05m total
San Jose to San Diego

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Alaska Airlines
7/10-31/12
Nonstop
1h 34m total
San Jose to San Diego

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Highest demand for flights based on searches. 5% potential increase in price (£8 potential increase over avg. return price).

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Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).

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Average for round-trip flights in September 2026

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Price to beat on a one-way flight from San Jose to San Diego.

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

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Route

Depart

Return

Price

Cheapest return flight

San JoseSan Diego

SJC San Jose - SAN San Diego

SJCSAN

San Jose

Tue 13/10

13:05-14:40

Nonstop1h 35m

San Diego

Wed 31/12

00:00-00:00

Nonstop0h 00m

£44

San JoseSan Diego

SJC San Jose - SAN San Diego

SJCSAN

San Jose

Sat 10/10

15:51-17:20

Nonstop1h 29m

San Diego

Wed 31/12

00:00-00:00

Nonstop0h 00m

£44

San JoseSan Diego

SJC San Jose - SAN San Diego

SJCSAN

San Jose

Mon 19/10

10:20-11:55

Nonstop1h 35m

San Diego

Wed 31/12

00:00-00:00

Nonstop0h 00m

£51

San JoseSan Diego

SJC San Jose - SAN San Diego

SJCSAN

San Jose

Sun 18/10

06:33-08:12

Nonstop1h 39m

San Diego

Wed 31/12

00:00-00:00

Nonstop0h 00m

£51

San JoseSan Diego

SJC San Jose - SAN San Diego

SJCSAN

San Jose

Thu 1/10

10:20-11:55

Nonstop1h 35m

San Diego

Wed 31/12

00:00-00:00

Nonstop0h 00m

£51

San JoseSan Diego

SJC San Jose - SAN San Diego

SJCSAN

San Jose

Sun 4/10

08:45-10:20

Nonstop1h 35m

San Diego

Wed 31/12

00:00-00:00

Nonstop0h 00m

£51

San JoseSan Diego

SJC San Jose - SAN San Diego

SJCSAN

San Jose

Sat 10/10

16:05-20:45

1 stop4h 40m

San Diego

Wed 31/12

00:00-00:00

Nonstop0h 00m

£51

San JoseSan Diego

SJC San Jose - SAN San Diego

SJCSAN

San Jose

Fri 4/12

15:17-16:53

Nonstop1h 36m

San Diego

Wed 31/12

00:00-00:00

Nonstop0h 00m

£58

Fastest return journey

San JoseSan Diego

SJC San Jose - SAN San Diego

SJCSAN

San Jose

Sun 15/11

18:12-19:38

Nonstop1h 26m

San Diego

Wed 31/12

00:00-00:00

Nonstop0h 00m

£58

San JoseSan Diego

SJC San Jose - SAN San Diego

SJCSAN

San Jose

Wed 21/10

06:20-10:45

1 stop4h 25m

San Diego

Wed 31/12

00:00-00:00

Nonstop0h 00m

£58

Flights are sorted by cheapest return flights first.

Deals found on 9/9

Showing 1-10 of 20 resultsSorted by cheapest first

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.

SJC-SAN

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.

Cheapflights Insights

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

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Delays

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

Booking 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Jose, California to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from San Jose, California to San Diego (average of £145). Flying from San Jose, California to San Diego in May is currently the most expensive (average of £205). 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?

One of the essential ways to save on airfare from San Jose, California to San Diego is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 80% on airfare.

How much does it cost for a return flight from San Jose, California to San Diego?

Airfare is below average for this route at the moment.

San Jose, California to San Diego flights typically cost between £88 and £254 in October.
The cheapest return price found within the last 5 days was £86 on Southwest (1 Oct–5 Oct).

Related info for your journey

How popular is this San Jose, California to San Diego flight route?
This flight path from San Jose to San Diego was viewed by 1 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 Jose, California to San Diego?
For as low as £86, Southwest can have you in San Diego from San Jose, California in 1h 35m. San Jose, California and San Diego are separated by a distance of 417 mi. All flights are typically direct.
What are the most reliable airlines from San Jose, California 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, California to San Diego on time: Alaska Airlines (62%), SkyWest Airlines (60%), American Airlines (59%).
What are the cheapest flights from San Jose, California to San Diego?
Looking at all options, your cheapest flight can be booked for £35. While the most popular route (San Jose - San Diego) can be booked for £86 on average, our data indicates £42 when flying from San Jose, California to San Diego.
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, California to San Diego?
Currently, September is the cheapest month in which you can book a flight from San Jose, California to San Diego (average of £145). Flying from San Jose, California to San Diego in May is currently the most expensive (average of £205). 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.

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

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.

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.

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

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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Cheap flights from San Jose, California to San Diego from £44

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. 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

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 10 September 2026.

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 10 September 2026.

Best flights from San Jose to San DiegoDiscover carefully curated flight deals from San Jose to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Discover carefully curated flight deals from San Jose to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Direct flights from San Jose to San DiegoExplore direct flight options from San Jose to San Diego based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 September 2026.

Explore direct flight options from San Jose to San Diego based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 September 2026.

Last-minute flights from San Jose to San DiegoDiscover last-minute flight deals from San Jose to San Diego. Data last updated 10 September 2026 and is based on user searches.

Discover last-minute flight deals from San Jose to San Diego. Data last updated 10 September 2026 and is based on user searches.

One-way flights from San Jose to San DiegoSearch for one-way flight options from San Jose to San Diego. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Search for one-way flight options from San Jose to San Diego. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

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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

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

Booking 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Jose, California to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

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

One of the essential ways to save on airfare from San Jose, California to San Diego is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 80% on airfare.

How much does it cost for a return flight from San Jose, California to San Diego?

Airfare is below average for this route at the moment.

San Jose, California to San Diego flights typically cost between £88 and £254 in October.The cheapest return price found within the last 5 days was £86 on Southwest (1 Oct–5 Oct).

Weekly flight availability from San Jose, California to San Diego

The most flights from SJC to SAN are scheduled on a Wednesday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

How often are flights from San Jose to San Diego delayed?

About 22% of weekly flights between San Jose and San Diego have experienced delays in the past year, with the average delay time being 103 minutes.

What is the most punctual flight time for San Jose to San Diego flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on San Jose to San Diego flights?

Over the past year, Alaska Airlines have had the lowest number of delays on this route, with just 18% of flights being delayed.

Related info for your journey

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

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

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

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

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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 10 September 2026.

Best flights from San Jose to San Diego
Discover carefully curated flight deals from San Jose to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Direct flights from San Jose to San Diego
Explore direct flight options from San Jose to San Diego based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 September 2026.

Last-minute flights from San Jose to San Diego
Discover last-minute flight deals from San Jose to San Diego. Data last updated 10 September 2026 and is based on user searches.

One-way flights from San Jose to San Diego
Search for one-way flight options from San Jose to San Diego. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

San Jose, California to San Diego flights typically cost between £88 and £254 in October.
The cheapest return price found within the last 5 days was £86 on Southwest (1 Oct–5 Oct).