How popular is this San Diego to San Francisco flight route?

The San Diego to San Francisco flight path was viewed by 232 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from San Diego to San Francisco?

There are many flights that can get you from San Diego to San Francisco in 1h 45m. Fly via Alaska Airlines or Southwest to get the fastest option. The distance between San Diego and San Francisco is about 446 mi. Generally, flights for this route are nonstop.

What are the cheapest airlines flying from San Diego to San Francisco round-trip?

According to our current data, Spirit Airlines ($27), Hawaiian Airlines ($28), and Frontier ($36) offers the cheapest pricing from San Diego to San Francisco. Spirit Airlines is 79% cheaper than the average price of flights available within the next 90 days to this destination.

How far ahead should I book a flight from San Diego to San Francisco?

To ensure you get the cheapest price possible for a flight from San Diego to San Francisco, you should look to book at least 51 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San Diego to San Francisco?

Currently, January is the cheapest month in which you can book a flight from San Diego to San Francisco (average of $276). Flying from San Diego to San Francisco in June is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from San Diego to San Francisco?

Travelers seeking maximum savings on their San Diego to San Francisco flight should consider departing on Thursday afternoons when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Diego to San Francisco

The most flights from SAN to SFO are scheduled on a Thursday (86 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (53 on average).

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What are the cheapest flights from San Diego to San Francisco?

Looking for the cheapest flight from San Diego to San Francisco? While on average our users pay $666, our data indicates the cheapest price to be $39. The most popular route (San Diego - San Francisco), is priced around $51.

What are the most reliable airlines from San Diego to San Francisco?

Consider Iberia (88%), Lufthansa (87%) or Qantas Airways (82%) when booking your flight. These represent the most reliable airlines when flying from San Diego to San Francisco.

What are the most popular airlines that fly from San Diego to San Francisco?

The most popular airlines flying from San Diego to San Francisco are American Airlines, Alaska Airlines and Delta. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from San Diego to San Francisco?

Flights from San Diego to San Francisco are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Francisco.

How far in advance should I book a flight from San Diego to San Francisco?

To save on the cost of your flight from San Diego to San Francisco, book at least 52 days before your planned departure. Booking around this time can save you about 134% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $117 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $196.

What is the cheapest month to fly from San Diego to San Francisco?

January can be a great time to fly to San Francisco from San Diego with a flight ticket averaging about $127. Cheapflights users have found deals in the month of January for as cheap as $36. The most expensive prices can be found in the month of August.

What is the cheapest time of day to fly from SAN to SFO?

It’s typically best to fly out from San Diego to San Francisco at noon. Doing so could potentially save you 62% on the flight price compared to flying in the evening, which is usually more expensive.

What airports do I use to fly from San Diego to San Francisco?

If you wish to fly to San Francisco from San Diego, then you need to book flights from San Diego to San Francisco. There are 68 flights from San Diego (SAN) to San Francisco (SFO) per day to choose from. Flights to San Francisco from San Diego are available from 8 different airlines, which means you should have some options if you want to compare airfare deals. 1h 34m is how long a nonstop flight from San Diego to San Francisco typically takes.

Can I find deals for flights from San Diego to San Francisco that include hotel bookings?

Yes. In addition to deals on San Diego to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from San Diego to San Francisco?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to San Francisco.

Can I find deals for business class flights from San Diego to San Francisco?

Yes. Cheapflights offers flight deals from San Diego to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$39+ Cheap Flights from San Diego to San Francisco

Round-trip from	$77 (United Airlines)
One-way from	$39 (Hawaiian Airlines)
Popular in	August
Cheapest in	January
Average price	$120
Good round-trip deal	$150 or less
Good one-way deal	$82 or less

Alaska's Premium Class offers extra legroom and free cocktails, enhancing short domestic flights.

Alaska's Wi-Fi is a flat fee, ideal for business travelers needing connectivity during flights.

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$27	Average$76	FlexibilityNo cancel fee	On-time65%
Hawaiian Airlines	Cheapest$28	Average$117	FlexibilityNo cancel fee	On-time85%
Frontier	Cheapest$36	Average$86	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$57	Average$167	FlexibilityNo cancel fee	On-time69%
Alaska Airlines	Cheapest$66	Average$184	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$82	Average$164	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$88	Average$196	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$158	Average$328	FlexibilityNo cancel fee	On-time71%

$39+ Cheap flights from San Diego to San Francisco (SAN - SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from San Diego to San Francisco are usually found in January or February, booked 51 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from San Diego to San Francisco

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Cheapest flights from San Diego to San FranciscoExplore the most affordable flight options available from San Diego to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Explore the most affordable flight options available from San Diego to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

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The best insider tips for San Diego to San Francisco flights

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Best time to book a flight from San Diego to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from San Diego with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Diego to San Francisco

How far ahead should I book a flight from San Diego to San Francisco?

What is the cheapest month to book a flight from San Diego to San Francisco?

What is the cheapest time of day to fly from SAN to SFO?

What is the cheapest day to fly from San Diego to San Francisco?

Weekly flight availability from San Diego to San Francisco

Reviews of airlines servicing San Francisco

Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Hawaiian Airlines from San Diego to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Diego to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from San Diego to San Francisco?

How popular is this San Diego to San Francisco flight route?

How long is the flight from San Diego to San Francisco?

What are the cheapest airlines flying from San Diego to San Francisco round-trip?

What are the most reliable airlines from San Diego to San Francisco?

What are the cheapest flights from San Diego to San Francisco?

Can I find deals for flights from San Diego to San Francisco that include hotel bookings?

How can I find direct flights from San Diego to San Francisco?

Can I find deals for business class flights from San Diego to San Francisco?

What is the cheapest month to book a flight from San Diego to San Francisco?

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Cheapest flights from San Diego to San Francisco
Explore the most affordable flight options available from San Diego to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.