Question 1

How often are flights from San Francisco to San Diego delayed?

Accepted Answer

About 21% of weekly flights between San Francisco and San Diego have experienced delays in the past year, with the average delay time being 118 minutes. Find deals

Question 2

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week. Find deals

Question 3

What is the most punctual flight time for San Francisco to San Diego flights?

Accepted Answer

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often. Find deals

Question 4

Which airline has the best punctuality record on San Francisco to San Diego flights?

Accepted Answer

Over the past year, United Airlines have had the lowest number of delays on this route, with just 15% of flights being delayed. Find deals

Question 5

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

Accepted Answer

This flight path from San Francisco to San Diego was viewed by 29 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Question 6

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

Accepted Answer

A quick flight from San Francisco to San Diego can take about 1h 25m. Alaska Airlines provides one of the quickest options available for as low as ₹ 11,547. The distance from San Francisco to San Diego is about 718 km. All flights are typically direct.

Question 7

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

Accepted Answer

Currently priced at ₹ 3,549, Frontier will fly you from San Francisco to San Diego and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and United Airlines - these airlines can fly you to your destination from ₹ 5,187 and ₹ 14,386, respectively. You may be able to fly from San Francisco to San Diego for 76% less than the average price by searching for these airlines.

Question 8

What are the cheapest airlines to fly from San Francisco to San Diego one-way?

Accepted Answer

For one-way options, check prices for Frontier. According to our data, you can fly for as low as ₹ 1,739. Users have also found prices from ₹ 2,950 and ₹ 3,113 on Alaska Airlines and Hawaiian Airlines, respectively.

Question 9

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

Accepted Answer

The best time to book flights from San Francisco to San Diego is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 10

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

Accepted Answer

Currently, April is the cheapest month in which you can book a flight from San Francisco to San Diego (average of ₹ 2,658). Flying from San Francisco to San Diego in September is currently the most expensive (average of ₹ 5,957). 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.

Question 11

Weekly flight availability from San Francisco to San Diego

Accepted Answer

The most flights from SFO to SAN are scheduled on a Tuesday (68 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 on average).

Question 12

E

Accepted Answer

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 inches per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

Question 13

E

Accepted Answer

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

Question 14

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

Accepted Answer

Looking for the cheapest flight from San Francisco to San Diego? While on average our users pay ₹ 15,670, our data indicates the cheapest price to be ₹ 3,629. The most popular route (San Francisco - San Diego), is priced around ₹ 28,318.

Question 15

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

Accepted Answer

The top 3 most reliable airlines when flying from San Francisco to San Diego are Japan Airlines (77%), Air China (77%) and United Airlines (74%).

Question 16

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

Accepted Answer

Before booking your flight from San Francisco to San Diego, check out the most popular airlines for this route: Southwest, United Airlines or Frontier.

Question 17

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

Accepted Answer

One of the essential ways to save on airfare from San Francisco to San Diego is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 39% on airfare.

Question 18

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

Accepted Answer

To fly from San Francisco to San Diego, you need to book a flight from San Francisco (SFO) to San Diego (SAN). Nonstop flights to San Diego from San Francisco take 1h 38m on average. When it comes time to book airfare, you have a few options: there are 46 outbound flights from San Francisco to San Diego offered by 3 different airlines.

Question 19

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

Accepted Answer

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

Question 20

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

Accepted Answer

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

Question 21

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

Accepted Answer

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

Question 22

How does Cheapflights help users find flights from San Francisco to San Diego?

Accepted Answer

When you search for this flight from San Francisco to San Diego, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 23

Why should you use Cheapflights to find cheap flight tickets from San Francisco to San Diego?

Accepted Answer

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Francisco to San Diego.

Question 24

Can Cheapflights find flights from San Francisco to San Diego with no change fees?

Accepted Answer

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Francisco to San Diego, users can toggle the no change fees filter when performing a flight search.

Question 25

Can Cheapflights notify me if prices for flights from San Francisco to San Diego become cheaper?

Accepted Answer

Yes! Start tracking prices for San Francisco to San Diego flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Round-trip from	₹ 10,723
One-way from	₹ 5,407
Popular in	December
Cheapest in	March
Average price	₹ 14,388
Good round-trip deal	₹ 25,284 or less
Good one-way deal	₹ 3,717 or less

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest₹ 3,549	Average₹ 8,535	FlexibilityNo cancel fee	On-time62%	Search Frontier flights
Southwest	Cheapest₹ 5,187	Average₹ 8,853	FlexibilityNo cancel fee	On-time63%	Search Southwest flights
United Airlines	Cheapest₹ 14,386	Average₹ 26,024	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Cheap flights from San Francisco to San Diego from ₹ 5,407

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 28/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Francisco to San Diego

Cheapest flights from San Francisco to San DiegoExplore the most affordable flight options available from San Francisco to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 January 2026.

Explore the most affordable flight options available from San Francisco to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 January 2026.

Find flight deals from San Francisco to San Diego

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

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Cheapflights Insights

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

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

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

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

Weekly flight availability from San Francisco to San Diego

How often are flights from San Francisco to San Diego delayed?

What is the most punctual flight time for San Francisco to San Diego flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on San Francisco to San Diego flights?

Reviews of airlines servicing San Diego

See what other customers who have flown with Southwest, United Airlines, andFrontier from San Francisco to San Diego have to say. You can also see how each airline compares 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 Francisco to San Diego. 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 Francisco to San Diego?

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

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

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

What are the cheapest airlines to fly from San Francisco to San Diego one-way?

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

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

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

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

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

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

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Alternative routes for San Francisco to San Diego

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Top 3 airlines flying from San Francisco to San Diego

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How does Cheapflights help users find flights from San Francisco to San Diego?

Why should you use Cheapflights to find cheap flight tickets from San Francisco to San Diego?

Can Cheapflights find flights from San Francisco to San Diego with no change fees?

Can Cheapflights notify me if prices for flights from San Francisco to San Diego become cheaper?

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Cheapest flights from San Francisco to San Diego
Explore the most affordable flight options available from San Francisco to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 January 2026.