Question 1

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

Accepted Answer

Within the past month, 14 users have taken a look at flights from San Francisco to San Diego.

Question 2

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

Accepted Answer

Flying on Southwest is currently your cheapest option to San Diego, with prices starting at C$ 78. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and United Airlines, with the lowest prices starting at C$ 106 and C$ 115, respectively. Users have found that Southwest is 59% cheaper than the other options available to this destination.

Question 3

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

Accepted Answer

The cheapest airlines for a one-way flight from San Francisco to San Diego are Alaska Airlines (C$ 53), Southwest (C$ 74), and United Airlines (C$ 92).

Question 4

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

Accepted Answer

To ensure you get the cheapest price possible for a flight from San Francisco to San Diego, you should look to book at least 72 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.

Question 5

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

Accepted Answer

Currently, May is the cheapest month in which you can book a flight from San Francisco to San Diego (average of C$ 289). Flying from San Francisco to San Diego in September is currently the most expensive (average of C$ 390). 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 6

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

Accepted Answer

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

Question 7

Weekly flight availability from San Francisco to San Diego

Accepted Answer

The most flights from SFO to SAN 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 (48 on average).

Question 8

E

Accepted Answer

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 mm 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 9

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 10

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

Accepted Answer

Looking at all options, your cheapest flight can be booked for C$ 47. While the most popular route (San Francisco - San Diego) can be booked for C$ 176 on average our data indicates C$ 80 when flying from San Francisco to San Diego.

Question 11

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

Accepted Answer

Before booking your flight to San Diego from San Francisco, check out the most reliable airlines to get you to your destination on time: SWISS (90%), United Airlines (90%), Air New Zealand( 89%).

Question 12

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

Accepted Answer

Travellers have found that booking a Monday departure is the best way to save up to 349% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

Question 13

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

Accepted Answer

Users have found that booking a flight from San Francisco to San Diego at least 31 days early can save you up to 97% on average compared to booking a flight this week. If booking 31 days before your flight isn’t an option for you, users have found flights from San Francisco to San Diego for as little as C$ 177 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as C$ 273 for flights departing within the next 3 days.

Question 14

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

Accepted Answer

Our data shows that January tends to be the cheapest month to fly to San Diego from San Francisco. Users have commonly found prices around C$ 194 for the month, but tickets can be as low as C$ 49. Due to multiple factors, prepare for potentially higher prices in December.

Question 15

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

Accepted Answer

When flying from San Francisco to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 83% versus a flight at noon.

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 42m on average. When it comes time to book airfare, you have a few options: there are 75 outbound flights from San Francisco to San Diego offered by 2 different airlines.

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 vacation 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

Cheapflights makes it easy to find San Francisco to San Diego flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 21

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

Accepted Answer

Millions of users choose and trust Cheapflights to book the best flight deals from San Francisco to San Diego for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Of course! You can now track prices for flights from San Francisco to San Diego and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

Round-trip from	C$ 78
One-way from	C$ 53
Popular in	December
Cheapest in	January
Average price	C$ 219
Good one-way deal	C$ 74 or less

Airline	Cheapest	Average	Flexibility	On-time
Frontier	CheapestC$ 53	AverageC$ 111	FlexibilityNo cancel fee	On-time62%	Search Frontier flights
Hawaiian Airlines	CheapestC$ 98	AverageC$ 155	FlexibilityNo cancel fee	On-time85%	Search Hawaiian Airlines flights

Cheap flights from San Francisco to San Diego from C$ 53

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from San Francisco to San Diego are usually found in January or February, booked 72 days in advance, depart on a Tuesday or Monday and return on a Friday

Cheap flight deals from San Francisco to San Diego

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Find 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 20 June 2025.

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 20 June 2025.

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

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?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to San Diego. Price data was last updated on 13 June 2025.

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?

Find hourly flight availability from San Francisco to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 June 2025.

Weekly flight availability from San Francisco to San Diego

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

Reviews of airlines servicing San Diego

Read through reviews of airlines operating flights from San Francisco to San Diego, such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's 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?

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?

Travelling to a place near San Francisco?

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Alternative routes for San Francisco to San Diego

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Top 2 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 20 June 2025.