Cheap Flights from San Francisco International (SFO) to San Diego (SAN)

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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 found$38
Cheapest month to flyJune
Average flight time1 hr, 37 mins
Most popular airlineAlaska Airlines
Average flights per week451

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 $38. 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 2.5 miles away from the center of San Diego. We've found flights to this airport from $38.
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 63°F. August is typically the warmest month in San Diego, when it usually averages around 83°F. You can expect the least rain in June. The coldest month is December, with temperatures averaging 49°F. The rainiest month is February.
Currently, Frontier Airlines offers the cheapest flight tickets to San Diego.

Take a break from the San Francisco fog and revel in the sunshine of San Diego, just north of the Mexican border. As a city, San Diego has a slow-paced energy which many visitors find relaxing. 

You can skip over the 500 miles between the cities in just an hour and a half’s flight time, and direct flights are easy to come by. United offer 62 weekly non-stop flights between San Francisco International Airport(SFO) to San Diego’s Lindbergh Field(SAN). Southwest has 50 direct flights on this route every week, and Virgin America has 32.

Making your way to San Francisco International Airport

SFO is a big bustling airport located 13 miles south of downtown San Francisco. Depending on traffic, the trip can take you anywhere from 20 minutes (late at night) to over 60 minutes (during rush hour.) You can also take the BART train to the SFO stop. The fare will be under $6. There are also multiple public bus lines which connect to SFO from various parts of the city. The average taxi fare from the city center is about $45.

The airport consists of 4 terminals: 1, 2, 3, and the International Terminal. All the terminals are connected by the AirTrain people mover, which also connects to the BART station, the rental car facility, and the two international terminal parking garages. It is free to ride and operates 24 hours a day. WiFi is free throughout the airport, which also boasts facilities such as a medical center, laptop charging work stations and conference rooms, and visits from the “wag brigade” of friendly trained dogs.

Arriving in San Diego

Beautiful and laid back, San Diego doesn’t get as much attention as San Francisco, but it holds its own in the charm stakes. Cultural diversity and deep hippie roots have left a strong impression on the city, even as tech giants and a quietly booming economy usher in changing demographics.

San Diego is famously sunny, but May and June can be predictably overcast. September is the hottest month, when the Santa Ana winds blow their strongest. For the rest of the year, It’s a great city to indulge outdoors living. Biking is a popular form of transportation, with trails winding through the city and its beautiful parks. Surfing, boating, whale-watching, and simply laying on the beach are all huge pastimes in San Diego.

Save money on your trip from San Francisco to San Diego by using Skyscanner’s free airfare comparison tool. One quick search will uncover dozens of tickets, to help you find the best deal every time.


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