Q: How much does it cost for a return flight from San Francisco to San Diego?

Airfare is below average for this route at the moment. San Francisco to San Diego flights typically cost between $185 and $383 in September. The cheapest return price found within the last 5 days was $132 on Frontier (16 Sept–23 Sept).

Question 1

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.

Question 2

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 early afternoon tend to experience delays more often.

Question 3

How much does it cost for a return flight from San Francisco to San Diego?

Accepted Answer

Airfare is below average for this route at the moment.San Francisco to San Diego flights typically cost between $185 and $383 in September.
The cheapest return price found within the last 5 days was $132 on Frontier (16 Sept–23 Sept).

Question 4

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

Accepted Answer

About 27% of weekly flights between San Francisco and San Diego have experienced delays in the past year, with the average delay time being 123 minutes.

Question 5

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 19% of flights being delayed.

Question 6

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

Accepted Answer

The San Francisco to San Diego flight path was viewed by 6 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Question 7

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

Accepted Answer

Airlines like Alaska Airlines and Southwest fly from San Francisco to San Diego in about 1h 42m. The time it takes to get you to your destination can typically vary by up to 4h 43m. The distance between San Francisco and San Diego is about 718 km. This flight may include one or multiple stops.

Question 8

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

Accepted Answer

Flying on Alaska Airlines is currently your cheapest option to San Diego, with prices starting at $152. Users have found that Alaska Airlines is 51% cheaper than the other options available to this destination.

Question 9

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

Accepted Answer

Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 10

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

Accepted Answer

Currently, October is the cheapest month in which you can book a flight from San Francisco to San Diego (average of $240). Flying from San Francisco to San Diego in March is currently the most expensive (average of $378). 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 Thursday (78 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (29 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 most reliable airlines from San Francisco to San Diego?

Accepted Answer

Before booking your flight to San Diego from San Francisco, have a look at the most reliable airlines to get you to your destination on time: Air China (78%), Lufthansa (71%), United Airlines( 68%).

Question 15

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

Accepted Answer

It’s optimal to fly from San Francisco to San Diego in the morning. By choosing this option you can save up to 68% on the cost of your flight, compared to a flight in the afternoon.

Question 16

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 44m on average. When it comes time to book airfare, you have a few options: there are 52 outbound flights from San Francisco to San Diego offered by 1 airline.

Question 17

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 18

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 19

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 20

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

Accepted Answer

Deals for San Francisco to San Diego flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Question 21

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

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from San Francisco to San Diego by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 22

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

Accepted Answer

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco to San Diego flexibly with Cheapflights today.

Question 23

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

Accepted Answer

Yes, Cheapflights offers price alerts on San Francisco to San Diego flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Round-trip from	$132
One-way from	$84
Popular in	March
Cheapest in	October
Average price	$267

Cheap flights from San Francisco to San Diego from $84

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 28/8. 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 7 August 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 7 August 2026.

Best flights from San Francisco to San DiegoDiscover carefully curated flight deals from San Francisco to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 August 2026.

Discover carefully curated flight deals from San Francisco to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 August 2026.

Direct flights from San Francisco to San DiegoExplore direct flight options from San Francisco to San Diego based on user searches, and compare prices and availability for your desired travel dates. Data last updated 7 August 2026.

Explore direct flight options from San Francisco to San Diego based on user searches, and compare prices and availability for your desired travel dates. Data last updated 7 August 2026.

Last-minute flights from San Francisco to San DiegoDiscover last-minute flight deals from San Francisco to San Diego. Data last updated 7 August 2026 and is based on user searches.

Discover last-minute flight deals from San Francisco to San Diego. Data last updated 7 August 2026 and is based on user searches.

One-way flights from San Francisco to San DiegoSearch for one-way flight options from San Francisco to San Diego. Find affordable one-way fares based on user searches. Data last updated 7 August 2026.

Search for one-way flight options from San Francisco to San Diego. Find affordable one-way fares based on user searches. Data last updated 7 August 2026.

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

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Cheapflights Insights

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

Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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?

It’s optimal to fly from San Francisco to San Diego in the morning. By choosing this option you can save up to 68% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost for a return flight from San Francisco to San Diego?

Airfare is below average for this route at the moment.

San Francisco to San Diego flights typically cost between $185 and $383 in September.The cheapest return price found within the last 5 days was $132 on Frontier (16 Sept–23 Sept).

Weekly flight availability from San Francisco to San Diego

The most flights from SFO to SAN are scheduled on a Thursday (78 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (29 on average).

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

About 27% of weekly flights between San Francisco and San Diego have experienced delays in the past year, with the average delay time being 123 minutes.

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

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

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

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.

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

Over the past year, United Airlines have had the lowest number of delays on this route, with just 19% of flights being delayed.

Reviews of airlines servicing San Diego

Read reviews from past customers who have flown with Alaska Airlines from San Francisco to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the most reliable airlines 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?

Travelling to a place near San Diego?

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Alternative routes for San Francisco to San Diego

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Complete your trip

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Direct flights to California

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San Francisco and San Diego flights

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Other flights from San Francisco

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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 7 August 2026.

Best flights from San Francisco to San Diego
Discover carefully curated flight deals from San Francisco to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 August 2026.

Direct flights from San Francisco to San Diego
Explore direct flight options from San Francisco to San Diego based on user searches, and compare prices and availability for your desired travel dates. Data last updated 7 August 2026.

Last-minute flights from San Francisco to San Diego
Discover last-minute flight deals from San Francisco to San Diego. Data last updated 7 August 2026 and is based on user searches.

One-way flights from San Francisco to San Diego
Search for one-way flight options from San Francisco to San Diego. Find affordable one-way fares based on user searches. Data last updated 7 August 2026.

San Francisco to San Diego flights typically cost between $185 and $383 in September.
The cheapest return price found within the last 5 days was $132 on Frontier (16 Sept–23 Sept).