Cheap flights from California to San Diego from $25
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to San Diego departing on 6/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from California to San Diego
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Alaska Airlines flights from California to San Diego
Our best Alaska Airlines deals on California to San Diego flight tickets
Spirit Airlines flights from California to San Diego
Our best Spirit Airlines deals on California to San Diego flight tickets
See travel insights to San Diego from
How to get the cheapest flight ticket from California to San Diego
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to San Diego?
If you are unable to visit San Diego during the month of January, then departing from California during the month July is also very affordable. Most momondo users find prices during this month for around $179.
What is the cheapest day to depart on your flight to San Diego?
The cheapest day to depart from California to San Diego is on a Tuesday. Travelers who choose to depart for San Diego on a Tuesday will often find tickets for as low as $189. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $407. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.
What is the cheapest time of day to depart on your flight to San Diego?
The cheapest time of day to fly to San Diego is at noon when flights can be purchased for as low as $179. Flights in the afternoon are often more expensive with an average ticket price of $240.
What is the cheapest California to San Diego flight route?
Fly from Oakland to San Diego for the best California - San Diego flight prices
How far in advance should I book a flight to San Diego?
You are more likely to see cheaper flights to San Diego from California when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $207 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from California for as low as $147 on momondo.
What cabin class options are available on California to San Diego flights?
There are 4 cabin classes available to choose from on California to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from California to San Diego?
Spirit Airlines, Hawaiian Airlines, and Frontier are the most popular carriers operating from California to San Diego
What airlines fly to San Diego?
Frontier, Southwest and Alaska Airlines are the top three most popular airlines that fly to San Diego from California according to our data. Frontier is the first choice among our users, with 32% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 8 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.
How many flights depart from California to San Diego on average per day?
214 flights are operational daily from California to San Diego as of June 2025. The most popular departure time for this route is 6:00PM, with 36% of flights per day taking off in the evening.
How many flights depart from California to San Diego on average per week?
As of June 2025, there are 1,502 flights per week flying from California to San Diego. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.
Cheap California to San Diego flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from California to San Diego
When did momondo last update prices for flights from California to San Diego Airport?
Prices for flights from California to San Diego Airport were last updated today.
How many operators does momondo search for flights from California to San Diego Airport?
As of June 2025, there are 8 operators available to choose from for flights from California to San Diego Airport.
How old do you have to be to fly from California to San Diego Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from California to San Diego?
momondo data reveals that the most frequently booked plane model on the route from California to San Diego is Embraer 175, representing 17.09% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 12.04%, Boeing 737-700 Passenger/BBJ1 (winglets) at 10.86%, and Boeing 737 MAX 8 at 10.47%.
Best airlines flying from California to San Diego
Compare and see reviews for airlines that fly from California to San Diego with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $29 | Free Cancellation | Rating 6.3 8,065 reviews | |||
| PriceFrom $29 | Free Cancellation | Rating 5.9 3,301 reviews | |||
| PriceFrom $38 | Free Cancellation | Rating 7.8 2,507 reviews | |||
| PriceFrom $57 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $63 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $97 | Free Cancellation | Rating 8.0 4,280 reviews | |||
| PriceFrom $98 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $133 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from California to San Diego?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Diego from California.
Can I find flights from California to San Diego with flexible booking policies on momondo?
All flight searches from California to San Diego on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from California to San Diego?
momondo provides multiple filters to help you find the best flight to San Diego from California. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from California to San Diego right now. Can momondo alert me if prices change?
Yes. momondo can track prices for California to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.