Cheap Flights from California (CA) to San Diego, CA from $39 - Find Tickets & Airfare Deals at Cheapflights.com

How to find the cheapest flight from
California to San Diego (SAN)

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

To save on the cost of your flight from California to San Diego, book at least 33 days before your planned departure. Booking around this time can save you about 19% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $86 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $107.

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

May is one of the best times of the year to fly to San Diego from California. Prices for May average $98 per person but you can even find prices for as low as $58. The most expensive prices can be found in the month of March. Opting for a May flight can save you 22% on your journey compared to booking in May

One-way flights to San Diego from California

The cheapest one-way flights from California to San Diego

3:25 am - 4:50 am

United Airlines

Nonstop

1h 25m

SFO - SAN

$39

United

6:25 am - 4:50 pm

Delta

2 Stops

10h 25m

SJC - SAN

$55

Delta

6:45 am - 8:06 am

Alaska Airlines

Nonstop

1h 21m

SJC - SAN

$59

Related info for your journey

Useful info, stats and facts about California to San Diego flights.

Flight FAQs

From California to San Diego

Are flight prices decreasing from California to San Diego due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both California and San Diego for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from California to San Diego to control the spread of COVID-19?

New policies can now be found on Alaska Airlines, Southwest, and Delta to help keep travelers safe while flying. Some of the new policies that have been implemented to accommodate travelers flying from California to San Diego are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from California to San Diego have flexible cancellations due to COVID-19?

Alaska Airlines, United Airlines, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from California to San Diego for under $100 on Cheapflights?

Yes, there are multiple flights from California to San Diego for under $100. The cheapest flight booked recently is on Alaska Airlines for just $71, but on average you can expect to pay $91.

Are there nonstop flights from California to San Diego for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from California to San Diego under $100. A good price for a nonstop flight from California to San Diego is less than $111.

Are there last-minute flights available from California to San Diego for under $100?

There are currently 20+ open flights from California to San Diego within the next 7 days for less than $100.

How popular is this flight route?

This flight path from California to San Diego was viewed by 58 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

Train, Bus and Major Airline are the most popular airlines when flying from California to San Diego.

What are the most popular routes from California to San Diego?

The most popular route from California to San Diego is San Francisco - San Diego. You may also consider Sacramento Intl - San Diego or Fresno Airterminal - San Diego.

What are the cheapest Flights from California to San Diego?

Looking at all options, your cheapest flight can be booked for $36. While the most popular route (San Francisco - San Diego) can be booked for $107 on average our data indicates $168 when flying from California to San Diego

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

The top 3 most reliable airlines when flying from California to San Diego are Air China (97%), Lufthansa (93%) and Asiana Airlines (92%).

How long is the flight from California to San Diego?

A quick flight from California to San Diego can take about 50m. United Airlines provides one of the quickest options available for as low as $139. Generally, flights for this route are nonstop.

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

Flying on Alaska Airlines is currently your cheapest option to San Diego, with prices starting at $71. Additional round-trip tickets that might be worth considering are offered by Frontier and Spirit Airlines, with the lowest prices starting at $78 and $87, respectively.

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

$28 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on United Airlines and Frontier, with prices starting from $39 and $39, respectively.