Cheap flights from San Francisco International to San Diego

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Flight deals from San Francisco International to San Diego

Looking for a cheap last-minute deal or the best round-trip flight from San Francisco International to San Diego? Find the lowest prices on one-way and round-trip tickets right here.

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Find the cheapest month to fly from San Francisco International to San Diego

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to San Diego flights are currently cheapest in June.

Direct flights from San Francisco International to San Diego

Alternative San Francisco International to San Diego routes

Looking for the cheapest, fastest or easiest route from San Francisco International to San Diego? You could fly into the following airports instead.

San Francisco to San Diego: Flight information

The things to know before you go.
Cheapest flight foundC$52
Cheapest month to flyJune
Average flight time1 hr, 38 mins
Most popular airlineAlaska Airlines
Average flights per week521

Finding cheap flights from San Francisco International to San Diego: Frequently asked questions

There are 3 airports in San Diego: San Diego International, El Cajon and McClellan – Palomar.
The best price we found for a round-trip flight from San Francisco International to San Diego is C$52. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 38 minutes is the average flight time from San Francisco International to San Diego.
Alaska Airlines, Southwest Airlines and SkyWest Airlines fly direct from San Francisco International to San Diego.
There are 521 flights per week flying from San Francisco International to San Diego, as of May 2024.
The cheapest month to fly from San Francisco International to San Diego is usually June.
If you're flying from San Francisco International Airport, the cheapest airport near San Diego is San Diego International – which is 4.1 km away from the center of San Diego. We've found flights to this airport from C$52.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to San Diego on Saturday, June 8, 2024.
Yes – the average flight time is 1 hour and 38 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Diego but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 17°C. August is typically the warmest month in San Diego, when it usually averages around 28°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 10°C. The rainiest month is February.
Currently, Frontier Airlines offers the cheapest flight tickets to San Diego.

Known for heavy traffic and wall-to-wall vehicles, travelling through California by car can quickly become tiresome. Booking a flight is a great alternative, if you're thinking of leaving San Francisco for San Diego. Since several airline carriers provide this trip, you can get amazing deals on airfares. Plus, it's an easy, stress-free way to reach California's dynamic city of San Diego.

Skyscanner can help you find the lowest prices on flights from San Francisco International Airport (SAN) into San Diego. To discover the most affordable weeks to fly, check out our Cheapest Month search tool, and then sign up for Price Alerts for email notifications about seat sales. Book flights, hotels, and car rentals with Skyscanner's free travel app, compatible with both iPhones and Android cellphones.

Departing from San Francisco International (SFO)

Welcome to San Francisco International Airport (SFO), sitting 21 km from the city's downtown core. SFO is a sprawling, 4-terminal international airport, filled with boutiques, dining outlets, and even a 20-gallery fine art museum. Your flight to San Diego will be leaving from Terminal 1, 2, or 3. Southwest Airlines flies from Terminal 1, while Virgin America calls Terminal 2 home. If you're travelling with either United Airlines or United Express, your airline will depart out of Terminal 3.

To reach San Francisco International Airport, there are a few transportation methods you can use. We recommend taking a car rental from Skyscanner, since driving to the airport is the fastest, most efficient way to arrive at SFO--especially with all your luggage! If you prefer to use public transportation, there are 6 bus routes going from Central San Francisco to SFO, including the 140, 292, 397, 398, 399 and KX routes. The Caltrain and BART trains also provide fast, user-friendly transportation.

Airlines That Offer This Route

Five international airlines offer direct flights between San Francisco International (SFO) and San Diego, California. These airlines are Southwest Airlines, Surf Air, United Airlines, United Express, and Virgin America. Each week, travellers have a total of 176 non-stop trips to choose from. It's a relatively short trip, taking slightly under 90 minutes to complete.

Airports in San Diego

San Diego International Airport (SAN)

Situated 5 km from Downtown San Diego, San Diego International Airport (SAN) is the city's main airport. This airy, two-terminal airport serves many of the world's biggest airlines, and provides around 500 flights per day. Hosting four of the five airlines that fly to San Francisco, it's your best bet for planning a hassle-free trip.

McClellan-Palomar Airport (CLD)

While San Diego does host a secondary airport, McClellan-Palomar Airport (CLD), its flight schedule has been severely limited in the recent years. After a series of mishaps with its carriers, Surf Air is the only airline offering flights to San Francisco, as of late 2017. This private charter is a recent start-up company, providing unlimited flights for a fixed fare to Las Vegas and various cities in California. McClellan-Palomar Airport itself is located 5 km from Carlsbad in San Diego County.


More flight options

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.