Cheap flights from San Francisco to San Diego from $29
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to San Diego departing on 7/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from San Francisco 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 San Francisco during the month February is also very affordable. Most momondo users find prices during this month for around $124.
What is the cheapest day to depart on your flight to San Diego?
The cheapest day to depart from San Francisco 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 $140. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $182. 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 in the morning when flights can be purchased for as low as $158. Flights at noon are often more expensive with an average ticket price of $235.
What is the cheapest San Francisco to San Diego flight route?
Fly from San Francisco to San Diego for the best San Francisco - 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 San Francisco when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $142 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from San Francisco for as low as $106 on momondo.
What cabin class options are available on San Francisco to San Diego flights?
There are 4 cabin classes available to choose from on San Francisco 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 San Francisco to San Diego?
Southwest, United Airlines, and Hawaiian Airlines are the most popular carriers operating from San Francisco to San Diego
What airlines fly to San Diego?
Frontier, Alaska Airlines and United Airlines are the top three most popular airlines that fly to San Diego from San Francisco 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 9 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 San Francisco to San Diego on average per day?
The number of flights available between San Francisco and San Diego is 51 per day as of June 2025. The most frequent departure time is 9:00PM, with 37% of daily flights leaving in the evening.
How many flights depart from San Francisco to San Diego on average per week?
As of June 2025, there are 363 flights per week flying from San Francisco to San Diego. The most common day of the week flights depart is Wed, with 22% of flights taking off on this day.
When to book flights from San Francisco to San Diego
Cheap San Francisco to San Diego (SFO to SAN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Francisco to San Diego
How far is San Francisco to San Diego by plane?
A flight from San Francisco to San Diego will travel around 458.7 mi. 1h 30m is a normal flight duration for this route.
When did momondo last update prices for flights from San Francisco Airport to San Diego Airport?
Prices for flights from San Francisco Airport to San Diego Airport were last updated today.
How many operators does momondo search for flights from San Francisco Airport to San Diego Airport?
As of June 2025, there are 8 operators available to choose from for flights from San Francisco Airport to San Diego Airport.
How old do you have to be to fly from San Francisco Airport 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 San Francisco Airport to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Francisco to San Diego?
Based on momondo bookings for flights between San Francisco and San Diego, the leading plane model is Embraer 175, making up 13.62% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 13.40%, Boeing 737-800 with 9.91%, and Boeing 737 MAX 8 with 9.36%.
What is the most popular airline from San Francisco to San Diego?
Based on momondo bookings for this flight route, the most popular airline on flight routes from San Francisco to San Diego is Frontier (41% of total bookings). The next most popular airlines are United Airlines (21%), Alaska Airlines (19%), and Southwest (11%).
Best airlines flying from San Francisco to San Diego
Compare and see reviews for airlines that fly from San Francisco to San Diego with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $28 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $31 | Free Cancellation | Rating 7.8 2,494 reviews | |||
| PriceFrom $37 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $57 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $64 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $97 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $162 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $167 | Free Cancellation | Rating 8.0 7,946 reviews |
Alaska Airlines Flights From San Francisco to San Diego
Alaska Airlines is one of the most popular airlines flying from San Francisco to San Diego, operating 23 flights/week on average for this route. A good Alaska Airlines flight deal for San Francisco to San Diego starts from $64 round-trip, up to an average price of $206. Our users have rated Alaska Airlines at 8.0/10.
Southwest Flights From San Francisco to San Diego
Another popular option for San Francisco to San Diego flights is Southwest (8.0/10, 4,287 ratings). Southwest flies from San Francisco to San Diego around 24 times per week, with deals starting from $97 round-trip and rising to an average price of around $197.
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 San Francisco to San Diego?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to San Diego. momondo saves you time and could save you money on your trip.
Can I find flights from San Francisco to San Diego with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to San Diego from San Francisco with this policy.
How can momondo help me find flights from San Francisco to San Diego?
momondo helps you find the best flight between San Francisco and San Diego by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from San Francisco to San Diego right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of San Francisco to San Diego flights. All you need is a valid email address and we will do the rest; it is that quick and easy.