Cheap Flights from San Diego to San Francisco International

Compare San Diego to San Francisco International flight deals

Find the cheapest month or even day of the year to fly 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 round-trip flight from San Diego to San Francisco International Airport? If you want to travel next month, round-trip fares start from AED 204. Find the lowest prices on one-way and round-trip tickets right here.

San Francisco.AED 100 per passenger.Departing Tue, Jul 14.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Tue, Jul 14, arriving in San Francisco International.Price includes taxes and charges.From AED 100, select.

San Francisco.AED 102 per passenger.Departing Wed, Oct 21.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Wed, Oct 21, arriving in San Francisco International.Price includes taxes and charges.From AED 102, select.

San Francisco.AED 102 per passenger.Departing Wed, Sep 30.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Wed, Sep 30, arriving in San Francisco International.Price includes taxes and charges.From AED 102, select.

San Francisco.AED 102 per passenger.Departing Tue, Aug 18.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Tue, Aug 18, arriving in San Francisco International.Price includes taxes and charges.From AED 102, select.

San Francisco.AED 173 per passenger.Departing Tue, Jun 16.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Tue, Jun 16, arriving in San Francisco International.Price includes taxes and charges.From AED 173, select.

San Francisco.AED 192 per passenger.Departing Tue, Nov 3.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Tue, Nov 3, arriving in San Francisco International.Price includes taxes and charges.From AED 192, select.

San Francisco.AED 393 per passenger.Departing Thu, Feb 4.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from San Diego International on Thu, Feb 4, arriving in San Francisco International.Price includes taxes and charges.From AED 393, select.

San Francisco.AED 393 per passenger.Departing Fri, Dec 11.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from San Diego International on Fri, Dec 11, arriving in San Francisco International.Price includes taxes and charges.From AED 393, select.

San Francisco.AED 393 per passenger.Departing Wed, Mar 31.One-way flight with United.Outbound direct flight with United departing from San Diego International on Wed, Mar 31, arriving in San Francisco International.Price includes taxes and charges.From AED 393, select.

San Francisco.AED 398 per passenger.Departing Mon, Jan 4.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departing from San Diego International on Mon, Jan 4, arriving in San Francisco International.Price includes taxes and charges.From AED 398, select.

San Francisco.AED 402 per passenger.Departing Sat, May 30.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Sat, May 30, arriving in San Francisco International.Price includes taxes and charges.From AED 402, select.

San Francisco.AED 405 per passenger.Departing Fri, Apr 9.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from San Diego International on Fri, Apr 9, arriving in San Francisco International.Price includes taxes and charges.From AED 405, select.

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 July.

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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 found	AED 100
Cheapest month to fly	July
Average flight time	1 hr, 43 mins
Most popular airline	Alaska Airlines
Average flights per week	756

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

How much are round-trip flights from San Diego to San Francisco International?

The best price we found for a round-trip flight from San Diego to San Francisco International is AED 204. 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.

How long does it take to fly from San Diego to San Francisco International?

1 hour and 43 minutes is the average flight time from San Diego to San Francisco International.

Which airlines fly direct from San Diego to San Francisco International?

Alaska Airlines, Southwest Airlines and Qatar Airways fly direct from San Diego to San Francisco International.

How many flights are there a week from San Diego to San Francisco International?

There are 756 flights per week flying from San Diego to San Francisco International, as of May 2026.

When is the cheapest time to fly from San Diego to San Francisco International?

The cheapest month to fly from San Diego to San Francisco International is usually September.

Which upcoming date is cheapest to fly from San Diego to San Francisco International Airport on?

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, September 15, 2026.

Can I get a direct flight from San Diego to San Francisco International Airport?

Yes – the average flight time is 1 hour and 42 minutes.

How can I find the best flight deal to San Francisco International?

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.

When is the best time to book flights to San Francisco?

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.

Which is the cheapest airline to fly with from San Diego to San Francisco International?

The cheapest airline that flies to San Francisco International is Frontier Airlines.

Flying from San Diego to San Francisco International Airport (SFO): What you need to know

Kick off your travels at one of San Diego's main airports, San Diego International Airport (SAN) or McClellan-Palomar Airport (CLD). Check out your options for booking a flight from San Diego to San Francisco International Airport (SFO) leaving from either of these.
Take a direct San Diego to San Francisco International Airport flight and you'll be in the air for an average of 1 hour 40 minutes.
San Francisco's timezone is UTC-8, which is the same as San Diego. San Francisco International Airport is located in San Francisco.
San Diego International Airport (SAN) to San Francisco International Airport (SFO) is the most popular route. There are 129 direct flights a week to choose from. If you have things to do before heading off, take the last flight with Alaska Airlines at 10:20pm. Choose the first SAN to SFO departure with Alaska Airlines at 6:15am if you'd rather get going earlier.
Give yourself plenty of time to get on your flight from San Diego to SFO. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.
Popular months like July or vacation times such as Thanksgiving and Christmas/New Year will mean bigger queues at check-in and security. Be on the safe side and get to the terminal even earlier. Arriving two hours before domestic flights and up four hours ahead of international flights is a wise idea.

Airports in San Diego

San Diego International Airport (SAN)

You can book a direct flight from San Diego to San Francisco International Airport (SFO) leaving from San Diego International Airport (SAN).
At SAN, you'll find a variety of carriers operating direct flights from San Diego to San Francisco International Airport, including:
Most passengers choose to fly with United between SAN and SFO.
The carrier with the top on-time arrival performance on this route is Frontier Airlines.
SAN is around 5 kilometers from central San Diego. If you're driving, catching a cab or ride-sharing from the center, it'll take you 15 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the journey time to be around 25 minutes.
Want a stress-free start to your travels? Stay near San Diego International Airport. Whether you're boarding an early flight from San Diego to San Francisco International Airport or prefer not to rush, these hotels offer the perfect solution:
When it comes to the on-time performance of San Diego International Airport, data shows 74% of flights stick to their scheduled arrival time.
You'll find SAN at N Harbor Dr.

McClellan-Palomar Airport (CLD)

Planning to catch a flight from McClellan-Palomar Airport (CLD)? Direct San Diego to San Francisco International Airport (SFO) plane tickets can be booked from this popular hub.
Get on your direct flight from San Diego to SFO with United Airlines. This is one of the leading airlines that operates this route out of CLD.
United is the top choice for bookings on the CLD to SFO route.
CLD is approximately 48 kilometers from the center of San Diego. Plan ahead to find the best way to get to your terminal.
Want to enjoy an extra night away before boarding your San Diego to SFO flight? Unwind in a hotel near McClellan-Palomar Airport before your vacation officially begins. These stays have a room with your name on it:
The majority of flights that depart McClellan-Palomar Airport arrive at their destination as planned. It maintains a high on-time performance rate of 88%.

About San Francisco International Airport (SFO)

Have a late flight from San Diego to San Francisco International Airport? Don't let it rob you of real rest. Stay at one of these hotels near SFO and hit the lights earlier:
Lock in the best possible rate by reserving your vehicle around one week before your San Diego to San Francisco International Airport flight.

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

San Francisco International Airport is around 21 kilometers from central San Francisco. It takes around 25 minutes or so to get to the city by car.
Traveling on public transport takes roughly 35 minutes.

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

Currently, AED 100 is the best price we've found for a one-way ticket from San Diego to San Francisco International Airport. The cheapest price for a return flight is AED 204. Keep in mind fares can change due to demand at the time of booking.
Score cheap flights from San Diego to SFO by booking 11 months ahead. According to our research, that's the sweet spot for landing a bargain.
The best month for landing cheap San Diego to San Francisco International Airport tickets is April. Use the 'Whole month' tool to compare flight prices, then select the dates with the lowest fares.
You don't need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll let you know the moment there's a better deal on plane tickets from San Diego to SFO.
Uncover a great deal on a flight from San Diego to San Francisco International Airport with the help of the filters. Choose your preferred departure and arrival times, number of stops and airlines. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best.'

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

December is the quietest month for flights from San Diego to San Francisco International Airport (SFO), while July is the most popular. Figure out the best time to visit San Francisco based on whether you want a laid-back vibe or a more bustling atmosphere.
The warmest month in San Francisco is September, with temperatures ranging between 12ºC (54ºF) and 24ºC (75ºF). Lock in your San Diego to SFO plane ticket then if that's your ideal forecast.
January sees temperatures of between 5ºC (41ºF) and 16ºC (61ºF). Look for cheap tickets from San Diego to San Francisco International Airport around that time if you'd rather travel in cooler conditions.

More about San Francisco

Once you've booked your flight from San Diego to San Francisco International Airport, find a hotel that keeps you close to what you want to see. Make one of these accommodation options your base for exploring San Francisco:
Golden Gate Bridge and Painted Ladies - Alamo Square are just a couple of the popular attractions to put on your San Francisco to-do list. Keep the momentum going by heading to Alcatraz Island.

Explore more of the United States

You've done San Francisco, now it's time to explore other parts of the United States. Travel about 257 kilometers east to Fresno to tick off its popular sights. From Forestiere Underground Gardens to Shinzen Japanese Garden and Fresno Chaffee Zoo, you'll have a packed itinerary ahead.
If you're eager to discover another great destination in the United States, consider Sacramento, roughly 129 kilometers northeast of San Francisco. California State Railroad Museum, Old Sacramento State Historic Park and Crocker Art Museum are among the biggest draws.