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 ₹ 12,359 and ₹ 25,669 in September. The cheapest return price found within the last 5 days was ₹ 7,701 on Frontier (14 Sept–29 Sept).

Question 1

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 ₹ 12,359 and ₹ 25,669 in September.
The cheapest return price found within the last 5 days was ₹ 7,701 on Frontier (14 Sept–29 Sept).

Question 2

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 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 early afternoon tend to experience delays more often.

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 19% of flights being delayed.

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

This flight path from San Francisco to San Diego was viewed by 3 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

A quick flight from San Francisco to San Diego can take about 1h 40m. Southwest provides one of the quickest options available for as low as ₹ 11,123. The distance from San Francisco to San Diego is about 718 km. All flights are typically direct.

Question 8

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

Accepted Answer

Currently priced at ₹ 5,319, 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 Hawaiian Airlines and Alaska Airlines - these airlines can fly you to your destination from ₹ 9,586 and ₹ 10,549, respectively. You may be able to fly from San Francisco to San Diego for 74% less than the average price by searching for these airlines.

Question 9

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

Accepted Answer

For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as ₹ 3,352. Users have also found prices from ₹ 3,642 and ₹ 6,503 on Southwest and Alaska Airlines, respectively.

Question 10

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 66 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 11

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 ₹ 16,067). Flying from San Francisco to San Diego in March is currently the most expensive (average of ₹ 25,288). 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 12

Weekly flight availability from San Francisco to San Diego

Accepted Answer

The most flights from SFO to SAN are scheduled on a Tuesday (67 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (39 on average).

Question 13

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 14

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 15

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 ₹ 15,209, our data indicates the cheapest price to be ₹ 8,504. The most popular route (San Francisco - San Diego), is priced around ₹ 15,211.

Question 16

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 Air China (78%), Lufthansa (71%) and United Airlines (68%).

Question 17

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: Alaska Airlines, Hawaiian Airlines or Frontier.

Question 18

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 22% on airfare.

Question 19

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 45m 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 3 different airlines.

Question 20

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 21

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 22

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 23

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 24

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 25

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 26

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	₹ 7,701
One-way from	₹ 5,609
Popular in	March
Cheapest in	October
Average price	₹ 17,873
Good round-trip deal	₹ 18,272 or less
Good one-way deal	₹ 9,563 or less

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest₹ 5,319	Average₹ 16,833	FlexibilityNo cancel fee	On-time62%	Search Frontier flights
Hawaiian Airlines	Cheapest₹ 9,586	Average₹ 22,869	FlexibilityNo cancel fee	On-time85%	Search Hawaiian Airlines flights
Alaska Airlines	Cheapest₹ 10,549	Average₹ 13,932	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights

Cheap flights from San Francisco to San Diego from ₹ 5,609

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 6 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 6 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 6 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 6 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 6 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 6 August 2026.

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

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

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Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to San Diego that are best for you.

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

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

Cheapflights Insights

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

The best time to book flights from San Francisco to San Diego is 66 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.

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?

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 22% on airfare.

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 ₹ 12,359 and ₹ 25,669 in September.The cheapest return price found within the last 5 days was ₹ 7,701 on Frontier (14 Sept–29 Sept).

Weekly flight availability from San Francisco to San Diego

The most flights from SFO to SAN are scheduled on a Tuesday (67 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (39 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

See what other customers who have flown with Alaska Airlines,Hawaiian 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

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?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco to San Diego

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Complete your trip

Complete your trip to San Diego by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to California

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Search flights from San Francisco to San Diego by cabin class

Find flights from San Francisco to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.

San Francisco and San Diego flights

Browse other San Francisco and San Diego flight options. Last updated on 6 August 2026.

Other flights from San Francisco

Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 6 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Other flights to San Diego

Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 6 August 2026.

Top 3 airlines flying from San Francisco to San Diego

Fly with Cheapflights

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?

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 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 6 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 6 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 6 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 6 August 2026.

San Francisco to San Diego flights typically cost between ₹ 12,359 and ₹ 25,669 in September.
The cheapest return price found within the last 5 days was ₹ 7,701 on Frontier (14 Sept–29 Sept).