Cheap flights from California (CA) to San Diego (SAN)

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Home North America USA California San Diego Cheap flights from California to San Diego

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

All the information you need to plan the best null to SAN flight in 2021: compare California to San Diego flight prices with the expected peak season, weather and rainfall in San Diego.
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 43 days before your planned departure. Booking around this time can save you about 60% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $173 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $223.

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

Flights from California to San Diego lean towards being more expensive in September. Prices are generally better when you fly from California to San Diego in April, with the cheapest ticket starting at $75.

When is the cheapest time to fly from California to San Diego (USCA - SAN)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to San Diego as you normally would.

Cheap flights from California to San Diego in September, October 2021

The best prices found for California to SAN flights for September, October
2 Oct - 5 Oct
$60pp
SMF
Sacramento Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
SMF
Sacramento Intl
7 Oct - 11 Oct
$61pp
OAK
Oakland
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
OAK
Oakland
30 Sep - 4 Oct
$62pp
SMF
Sacramento Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
SMF
Sacramento Intl

California to San Diego 2021 flight deals

Cheap flights to San Diego from California found for this year
2 Oct - 5 Oct
$60pp
SMF
Sacramento Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
SMF
Sacramento Intl
7 Oct - 11 Oct
$61pp
OAK
Oakland
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
OAK
Oakland
30 Sep - 4 Oct
$62pp
SMF
Sacramento Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
SMF
Sacramento Intl

Non-stop flights to San Diego from California

Save time with California to San Diego direct flight deals
5 Oct - 9 Oct
$81pp
SFO
San Francisco
United Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
United Airlines
Non-Stop
SFO
San Francisco
5 Oct - 5 Oct
$92pp
SMF
Sacramento Intl
Alaska Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Alaska Airlines
Non-Stop
SMF
Sacramento Intl
5 Oct - 5 Oct
$92pp
SJC
San Jose
Alaska Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Alaska Airlines
Non-Stop
SJC
San Jose

Last minute flights from California to San Diego

Late deals on round-trip flights to San Diego from California, departing today and this week
2 Oct - 5 Oct
$60pp
SMF
Sacramento Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
SMF
Sacramento Intl
30 Sep - 4 Oct
$62pp
SMF
Sacramento Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
SMF
Sacramento Intl
30 Sep - 4 Oct
$63pp
SMF
Sacramento Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
SMF
Sacramento Intl

One-way flights to San Diego from California

The cheapest one-way flights from California to San Diego
5:59 pm - 7:27 pm
Alaska Airlines
Nonstop
1h 28m
SMF - SAN
Alaska Airlines
$43
mytrip.com
2:21 pm - 6:07 am
Spirit Airlines
1 Stop
15h 46m
OAK - SAN
Spirit Airlines
$45
FareScan
9:34 am - 1:53 pm
Frontier
1 Stop
4h 19m
OAK - SAN
Frontier
$46
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">California</span> to <span class="emphasized">San Diego</span> flights.

Flight FAQs

From California to San Diego

What airport do you fly into for flights to San Diego from California?

San Diego (SAN) is the airport you will fly into if you book a flight from California to San Diego. It is only a 2.6 mi journey from San Diego (SAN) to San Diego’s city center.

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.

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.

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 Spirit Airlines for just $60, but on average you can expect to pay $69.

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 $103.

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 California to San Diego flight route?

Within the past month, 58 users have taken a look at flights from California to San Diego.

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

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $25. Alaska Airlines flights start at $37 while deals on Frontier start at $44 one-way.

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

The most popular flight routes from California to San Diego are San Francisco - San Diego, Oakland - San Diego and Sacramento Intl - San Diego.

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

Before booking your flight to San Diego from California, check out the most reliable airlines to get you to your destination on time: Asiana Airlines (79%), ANA (79%), United Airlines( 78%).

What are the cheapest flights from California to San Diego?

The cheapest flight price from California to San Diego is $19. On average you can expect to pay $272. The most popular route, (San Francisco - San Diego), can usually be booked for $95.

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.

Related searches

Flights to San Diego (SAN) from California
Flights to California Flights to San Diego Flights from San Diego

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COVID Restrictions

View COVID Travel Restrictions for San Diego, CA

Do I need a COVID test to fly to San Diego from California?

Information is based on travel restrictions for travel to San Diego within the United States

Most visitors from California need to provide a negative COVID-19 test result and/or quarantine to enter San Diego.

COVID-19 testing requirements
Visitors from California must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Diego.

Quarantine requirements
Visitors from California are not required to quarantine after entering San Diego.

Do I need a test to fly back to California from San Diego?

Returning to California from San Diego

COVID-19 testing requirements
Visitors from San Diego must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to California.

Quarantine requirements
Visitors from San Diego are not required to quarantine after entering California.

Hide COVID Travel Restrictions for San Diego, CA

Departure points for flights from California to San Diego

Select to see more specific information for flights to San Diego from all departure points in California.
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Destination information for San Diego

Things to know before you go - useful duration and weather info for your trip from California to San Diego.
Flight duration from California to SAN
1h 17m
Average temperature for September in San Diego
80.6 °F
Avg rainfall for September in San Diego
0.1 ″

Airports servicing

Bakersfield (BFL)
Burbank (BUR)
Concord Buchanan Fld (CCR)
Crescent City (CEC)
San Diego Carlsbad-Palomar (CLD)
Fresno (FAT)

Airports servicing San Diego

San Diego (SAN)

Top 7 airlines flying from California to San Diego

The chart below displays the airlines Cheapflights users traveling from California to San Diego choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
United Airlines 		$57 $190 No cancel fee 69%
Alaska Airlines 		$58 $200 No cancel fee 75%
Delta 		$62 $180 No cancel fee N/A
Spirit Airlines 		$65 $187 No cancel fee 65%
American Airlines 		$67 $249 No cancel fee 71%
Allegiant Air 		$83 $153 No cancel fee 88%
Southwest 		$84 $257 No cancel fee 63%

Popular flight searches

Check out other popular destinations found by fellow travelers in 2021.
Home North America USA California San Diego Cheap flights from California to San Diego