Cheap Flights from San Diego to San Francisco International

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Flight deals from San Diego to San Francisco International

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

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

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

Direct flights from San Diego to San Francisco International

San Diego to San Francisco International: Alternative routes

Compare routes from San Diego to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier than San Francisco International.

San Diego to San Francisco: Flight information

The things to know before you go.
Cheapest flight foundR 472
Cheapest month to flyJune
Average flight time1 hr, 43 mins
Most popular airlineSouthwest Airlines
Average flights per week745

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

The best price we found for a return flight from San Diego to San Francisco International is R 922. 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 43 minutes is the average flight time from San Diego to San Francisco International.
Southwest Airlines, Alaska Airlines and Hawaiian Airlines fly direct from San Diego to San Francisco International.
As of May 2025, there are 745 flights per week flying from San Diego to San Francisco International.
The cheapest month to fly from San Diego to San Francisco International is usually May 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to San Francisco International Airport on Tuesday, 3 June 2025.
Yes – the average flight time is 1 hour and 43 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 Francisco International 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 Francisco is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to San Francisco International is United .

Travelling from San Diego to San Francisco International Airport (SFO): what you need to know

  • Start planning your trip by checking out the departure points for your flight from San Diego to San Francisco International Airport (SFO). Explore the options for taking off from San Diego International Airport (SAN) or McClellan-Palomar Airport (CLD), two of the city's main airports.

  • 1 hour 36 minutes is the time it takes on average for a direct flight from San Diego to San Francisco International Airport.

  • San Francisco International Airport is located in San Francisco. The city's timezone is UTC-7, which is the same as San Diego.

  • With 283 direct weekly flights between the two airports, San Diego International Airport (SAN) to San Francisco International Airport (SFO) is the busiest route. United operates the earliest flight at 06:15. If you prefer to make the most of your day before jetting off, the latest departure from SAN to SFO is with Alaska Airlines at 22:17.

  • Your flight from San Diego to SFO won't wait if you're running late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • If you're flying during a peak month like July, make your way to the airport even earlier. It's smart to arrive up to four hours before international flights and two hours ahead of domestic departures. Expect lines to be longer during holiday periods like spring break and summer.

Airports in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) will have you travelling directly to your destination. Nonstop flights from San Diego to San Francisco International Airport (SFO) take off from this terminal.

  • At SAN, there's a range of carriers that operate direct flights from San Diego to San Francisco International Airport, including:

  • From central San Diego, SAN is around 5 kilometres away. Visit the official airport website or use navigation apps to work out the best way to arrive at the terminal.

  • Searching for a handy hotel close to San Diego International Airport? If you're catching an early flight from San Diego to San Francisco International Airport, these stays will have you moments from check-in:

About San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • San Francisco International Airport to the centre of San Francisco takes around 20 minutes in a car. It's approximately 21 kilometres away. Discover what options are available, such as cabs, car rentals or ride-sharing services.

  • If you're travelling by public transport, expect a journey time of around 47 minutes.

How to find the cheapest flights from San Diego to San Francisco International Airport (SFO)

  • Book a one-way ticket from San Diego to San Francisco International Airport from R 472 or travel return from just R 922. The prices shown are based on availability and could change when you book.

  • You're more likely to score cheap tickets from San Diego to SFO when you book 7 months ahead. We crunched the flight price data and found that's the time fares on this route tend to be at their lowest.

  • You'll snag the biggest savings on your tickets from San Diego to San Francisco International Airport if you plan your break for April. Go one step further and use the 'Whole month' tool to find the cheapest day to fly.

  • Log into your online account or use the app to set up a Price Alert. We'll notify you straight away if there's a new deal on this route. It's easy to do, and it'll save you from searching for cheap tickets from San Diego to SFO every day.

  • Customise your journey with filters. Choose the total duration, number of stops, and departure and arrival times to find the right flight from San Diego to San Francisco International Airport. You can also sort the results to see the 'Fastest,' 'Cheapest' or 'Best' options first.

The best time to fly from San Diego to San Francisco International Airport (SFO)

  • It's time to pick your travel dates for your flight from San Diego to San Francisco International Airport. August is the most popular month for a trip to San Francisco. If you like a more peaceful vibe, go in February.

  • When booking your flight from San Diego to SFO, think about the type of weather you enjoy. September is the warmest month in San Francisco, with the temperature ranging from 12ºC to 22ºC.

  • Travel in January if you want to explore when it's cooler. Average temperatures range between 6ºC and 16ºC. However, this destination delivers on a good time whenever you book your cheap flights from San Diego to San Francisco International Airport.

More about San Francisco

  • After locking in your flight from San Diego to San Francisco International Airport, think about where you'd like to stay in this city. Make one of these accommodation options your base for exploring San Francisco:

  • All great holidays should include a little sightseeing. Golden Gate Bridge, Alcatraz Island and Lombard Street are attractions you won't want to skip in San Francisco.

Complete your San Francisco trip with a car rental

  • Shut down all those tabs and let us do the hard work for you. We've also got amazing deals on car rentals in San Francisco once you've booked your hotel and cheap flight from San Diego to San Francisco International Airport. Instantly compare prices all in one place and drive away with the perfect rental for less.

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