Question 1

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

Accepted Answer

The San Francisco to San Diego flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season. Find deals

Question 2

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

Accepted Answer

Flying on United Airlines is currently your cheapest option to San Diego, with prices starting at $103. Additional round-trip tickets that might be worth considering are offered by Frontier and Hawaiian Airlines, with the lowest prices starting at $122 and $123, respectively. Users have found that United Airlines is 51% cheaper than the other options available to this destination. Find deals

Question 3

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

Accepted Answer

The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $60. However, be on the lookout for offers from Hawaiian Airlines and Southwest, as they are both options that can get you from San Francisco to San Diego for a low price. Find deals

Question 4

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

Accepted Answer

Booking 72 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. Find deals

Question 5

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

Accepted Answer

Currently, March is the cheapest month in which you can book a flight from San Francisco to San Diego (average of $924). Flying from San Francisco to San Diego in December is currently the most expensive (average of $1,572). 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

Travellers seeking maximum savings on their San Francisco to San Diego flight should consider departing on Monday afternoons when fares are most often at their lowest. Thursday at midday 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 (42 on average).

Question 8

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 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

On average you can expect to pay $216 for a flight from San Francisco to San Diego. The cheapest flight overall is $87 while the most popular route, (San Francisco - San Diego) is currently priced at $147.

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, have a look at the most reliable airlines to get you to your destination on time: Copa Airlines (100%), Air China (94%), Asiana Airlines( 88%).

Question 12

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

Accepted Answer

Departing on a Thursday is a good option for securing a great price. You can expect to save up to 100% when planning your travel around this day of the week.

Question 13

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

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 31 days in advance, which can save you up to 98% on flights from San Francisco to San Diego compared to booking the week you need them. Waiting 31 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $196. For sooner than that we have options available in the next 3 days from $312.

Question 14

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

Accepted Answer

The best pricing can be found in the month of January. Prices to San Diego from San Francisco average $214. You can even find prices in January for less than $214, as users have found deals to San Diego from as low as $56. The month of December appears to be one of the more expensive times to travel to San Diego from San Francisco. Flying in the targeted month can save you up to 18%.

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 51% on the cost of your flight, compared to a flight at midday.

Question 16

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 17

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 18

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 19

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 20

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 21

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 22

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	$103
One-way from	$60
Popular in	December
Cheapest in	January
Average price	$219
Good round-trip deal	$331 or less
Good one-way deal	$102 or less

Cheap flights from San Francisco to San Diego from $60

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 28/7. 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 Wednesday or Monday and return on a Thursday

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 18 July 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 18 July 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 return flight from San Francisco to San Diego. Price data was last updated on 11 July 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 18 July 2025.

Weekly flight availability from San Francisco to San Diego

Reviews of airlines servicing San Diego

Read reviews from past customers who have flown with Alaska Airlines, Southwest, andDelta 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

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.

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?

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Alternative routes for 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 18 July 2025.