Cheap Flights from San Francisco International to San Diego International

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Compare San Francisco International to San Diego International flight deals

Find the cheapest month or even day of the year to fly to San Diego International

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Flight deals from San Francisco International to San Diego International

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

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

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 International flights are currently cheapest in March.

Direct flights from San Francisco International to San Diego International

San Francisco International to San Diego International: Alternative routes

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

San Francisco to San Diego: Flight information

The things to know before you go.
Cheapest flight found44 €
Cheapest month to flyMarch
Average flight time1 hr, 37 mins
Most popular airlineSouthwest Airlines
Average flights per week619

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

The best price we found for a return flight from San Francisco International to San Diego International is 44 €. 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 37 minutes is the average flight time from San Francisco International to San Diego International.
Southwest Airlines, United and Alaska Airlines fly direct from San Francisco International to San Diego International.
As of March 2025, there are 619 flights per week flying from San Francisco International to San Diego International.
The cheapest month to fly from San Francisco International to San Diego International is usually March 2025.
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 International Airport on Tuesday, 25 March 2025.
Yes – the average flight time is 1 hour and 37 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 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 Diego is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Hawaiian Airlines offers the cheapest flight tickets to San Diego International.

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

  • Expect to be airborne for around 1 hour 34 minutes. That's the average duration of a direct flight from San Francisco International Airport to San Diego International Airport. San Diego and San Francisco share the same timezone — UTC-7.

  • For the earliest departure, jump on the 06:00 flight from San Francisco International Airport to San Diego International Airport. If you want to set off later, the latest flight departs at 22:20. With 142 flights each week from SFO to SAN, you can pick the timing that suits you best.

  • If you're flying during a major holiday or other peak period, allow for even more time. A good rule is two hours before domestic flights and up to four hours before international departures. Security and check-in lines will be longer.

  • To break up your flight from San Francisco International Airport to San Diego International Airport, add a stopover to your trip. Simply uncheck 'Direct flights only' to find a city that interests you. The top stopovers on the SFO - SAN route are:

    • Harry Reid Airport (formerly McCarran Airport)

    • Sacramento International Airport

    • Los Angeles International Airport

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

  • 20 € is the best price for a one-way ticket from San Francisco International Airport to San Diego International Airport. A return flight starts from 44 €. These prices may change based on demand.

  • To score cheap tickets from SFO to SAN, book your trip 9 months ahead of the departure date.

  • May is the cheapest month for tickets from San Francisco International Airport to San Diego International Airport. If you'd like to fly during a different time of year, the 'Whole month' tool will show you the lowest airfares across every month.

  • Set up a Price Alert for cheap tickets from SFO to SAN. You don't need to search every day to see if fares have dropped. We'll let you know when there's a change in price.

  • Use filters to tailor your flights from San Francisco International Airport to San Diego International Airport. Enter your ideal arrival and departure times, number of stops and airlines. Or sort your results by 'Cheapest' to find the best deals.

Handy information about San Francisco International Airport (SFO)

Arriving at San Diego International Airport (SAN)

Getting from San Diego International Airport (SAN) to central San Diego

  • San Diego International Airport is approximately 5 kilometres from the centre of San Diego. With a car rental or if you're catching a cab, the drive is about 9 minutes.

  • It takes around 20 minutes if you're travelling on public transport.

When to fly to San Diego International Airport (SAN)

  • July is the busiest month for flights from San Francisco International Airport to San Diego International Airport. To steer clear of the crowds, visit San Diego in May.

  • When reserving your flight from San Francisco International Airport to San Diego International Airport, consider the kind of weather you enjoy. August is the warmest month in San Diego, with temperatures ranging from 17ºC to 28ºC.

  • Search for cheap tickets from SFO to SAN in February if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between 7ºC and 23ºC on average.

More about San Diego

  • Start your San Diego trip right by finding a wonderful stay. After booking your flight from SFO to SAN, have a look at our accommodation options including:

  • Every great holiday has to include a little sightseeing. San Diego Zoo, USS Midway Museum and SeaWorld San Diego are essential stops on your San Diego itinerary.

Complete your San Diego trip with hotels and a car rental

  • Once you've secured your cheap ticket to San Diego International Airport, explore the lowest prices and exclusive offers on hotels. You can also compare hundreds of car rental companies in one go to find the best car rental price for your San Diego getaway.

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