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 $168 and $355 in October. The cheapest return price found within the last 5 days was $135 on Alaska Airlines (27 Oct–27 Oct).

Question 1

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 21% of flights being delayed.

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 $168 and $355 in October.
The cheapest return price found within the last 5 days was $135 on Alaska Airlines (27 Oct–27 Oct).

Question 4

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

Accepted Answer

About 30% of weekly flights between San Francisco and San Diego have experienced delays in the past year, with the average delay time being 126 minutes.

Question 5

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 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 4 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 Southwest and United Airlines fly from San Francisco to San Diego in about 1h 37m. The time it takes to get you to your destination is usually consistent. The distance between San Francisco and San Diego is about 718 km. All flights are typically direct.

Question 8

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

Accepted Answer

Booking 67 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 9

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 $251). Flying from San Francisco to San Diego in March is currently the most expensive (average of $382). 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 10

Weekly flight availability from San Francisco to San Diego

Accepted Answer

The most flights from SFO to SAN are scheduled on a Monday (74 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (26 on average).

Question 11

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 12

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 13

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 (77%), SWISS (70%), United Airlines( 65%).

Question 14

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 73% on the cost of your flight, compared to a flight in the evening.

Question 15

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 16

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 17

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 18

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 19

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 20

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 21

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	$142
One-way from	$72
Popular in	March
Cheapest in	October
Average price	$251

Cheap flights from San Francisco to San Diego from $72

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/12. 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 6 October 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 6 October 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 6 October 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 6 October 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 6 October 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 6 October 2026.

Last-minute flights from San Francisco to San DiegoDiscover last-minute flight deals from San Francisco to San Diego. Data last updated 6 October 2026 and is based on user searches.

Discover last-minute flight deals from San Francisco to San Diego. Data last updated 6 October 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 6 October 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 6 October 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 67 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 73% on the cost of your flight, compared to a flight in the evening.

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 $168 and $355 in October.The cheapest return price found within the last 5 days was $135 on Alaska Airlines (27 Oct–27 Oct).

Weekly flight availability from San Francisco to San Diego

The most flights from SFO to SAN are scheduled on a Monday (74 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (26 on average).

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

About 30% of weekly flights between San Francisco and San Diego have experienced delays in the past year, with the average delay time being 126 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 21% of flights being delayed.

Related info for your journey

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 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?

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San Francisco and San Diego flights

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

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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 6 October 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 6 October 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 6 October 2026.

Last-minute flights from San Francisco to San Diego
Discover last-minute flight deals from San Francisco to San Diego. Data last updated 6 October 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 6 October 2026.

San Francisco to San Diego flights typically cost between $168 and $355 in October.
The cheapest return price found within the last 5 days was $135 on Alaska Airlines (27 Oct–27 Oct).