How many flights depart from San Francisco to San Diego on average per day?

The number of flights available between San Francisco and San Diego is 72 per day as of July 2025. The most frequent departure time is 7:00PM, with 35% of daily flights leaving in the afternoon.

How many flights depart from San Francisco to San Diego on average per week?

As of July 2025, there are 508 flights per week flying from San Francisco to San Diego. The most common day of the week flights depart is Thu, with 17% of flights taking off on this day.

What airlines fly to San Diego?

Frontier, Alaska Airlines and United Airlines are the top three most popular airlines that fly to San Diego from San Francisco according to our data. Frontier is the first choice among our users, with 31% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 9 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from San Francisco to San Diego?

Frontier, Southwest, and United Airlines are the most popular carriers operating from San Francisco to San Diego

When did momondo last update prices for flights from San Francisco Airport to San Diego Airport?

Prices for flights from San Francisco Airport to San Diego Airport were last updated today.

How many operators does momondo search for flights from San Francisco Airport to San Diego Airport?

As of July 2025, there are 8 operators available to choose from for flights from San Francisco Airport to San Diego Airport.

How old do you have to be to fly from San Francisco Airport to San Diego Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to San Diego Airport.

What documentation or ID do you need to fly to San Diego Airport?

The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$17 Cheap Flights from San Francisco to San Diego in 2025

Q: What is the typical price of a round-trip flight between San Francisco and San Diego?

Prices are currently low for flights on this route. Typical prices usually range from $90 to $252. The lowest price recently found on this route was $35.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from San Francisco to San Diego

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

10:37 am - 12:17 pmSFO-SAN

1h 40mnonstop

5:53 pm - 7:39 pmSAN-SFO

1h 46mnonstop

$35Frontier

Find Deal

Mon, Jul 21 - Thu, Jul 24

7:25 am - 8:55 amSFO-SAN

1h 30mnonstop

6:35 pm - 8:10 pmSAN-SFO

1h 35mnonstop

$54Southwest

Find Deal

Tue, Aug 5 - Fri, Aug 8

10:37 am - 12:17 pmSFO-SAN

1h 40mnonstop

5:53 pm - 7:39 pmSAN-SFO

1h 46mnonstop

$55Frontier

Find Deal

Mon, Jul 21 - Thu, Jul 24

10:37 am - 12:17 pmSFO-SAN

1h 40mnonstop

5:53 pm - 7:39 pmSAN-SFO

1h 46mnonstop

$56Frontier

Find Deal

Mon, Jul 21 - Fri, Jul 25

10:37 am - 12:17 pmSFO-SAN

1h 40mnonstop

6:15 am - 8:00 amSAN-SFO

1h 45mnonstop

$72

Find Deal

Mon, Jul 21 - Wed, Jul 23

9:59 pm - 11:42 pmSFO-SAN

1h 43mnonstop

10:11 pm - 11:50 pmSAN-SFO

1h 39mnonstop

$77Alaska Airlines

Find Deal

Tue, Aug 5 - Wed, Aug 6

10:35 pm - 12:15 amSFO-SAN

1h 40mnonstop

6:20 am - 7:58 amSAN-SFO

1h 38mnonstop

$82United Airlines

Find Deal

Mon, Aug 4 - Tue, Aug 5

6:00 am - 7:42 amSFO-SAN

1h 42mnonstop

5:53 pm - 7:39 pmSAN-SFO

1h 46mnonstop

$85

Find Deal

Tue, Aug 5 - Thu, Aug 7

10:35 pm - 12:15 amSFO-SAN

1h 40mnonstop

6:20 am - 7:58 amSAN-SFO

1h 38mnonstop

$86United Airlines

Find Deal

Fri, Jul 25 - Wed, Jul 30

6:00 am - 7:42 amSFO-SAN

1h 42mnonstop

6:15 am - 8:00 amSAN-SFO

1h 45mnonstop

$87Alaska Airlines

Find Deal

Mon, Jul 21 - Thu, Jul 24

United Airlines flights from San Francisco to San Diego

Our best United Airlines deals on San Francisco to San Diego flight tickets

United Airlines

Aug 4

SFO10:35 pmSan Francisco

1h 40m

SAN12:15 amSan Diego

Aug 5

SAN6:20 amSan Diego

1h 38m

SFO7:58 amSan Francisco

$82

Find similar

United Airlines

Jul 25

SFO10:35 pmSan Francisco

1h 40m

SAN12:15 amSan Diego

Jul 30

SAN6:20 amSan Diego

1h 38m

SFO7:58 amSan Francisco

$86

Find similar

United Airlines

Aug 8

SFO7:00 amSan Francisco

1h 38m

SAN8:38 amSan Diego

Aug 12

SAN6:20 amSan Diego

1h 38m

SFO7:58 amSan Francisco

$90

Find similar

Frontier flights from San Francisco to San Diego

Our best Frontier deals on San Francisco to San Diego flight tickets

Frontier

Jul 21

SFO10:37 amSan Francisco

1h 40m

SAN12:17 pmSan Diego

Jul 24

SAN5:53 pmSan Diego

1h 46m

SFO7:39 pmSan Francisco

$35

Find similar

Frontier

Jul 21

SFO10:37 amSan Francisco

1h 40m

SAN12:17 pmSan Diego

Jul 24

SAN5:53 pmSan Diego

1h 46m

SFO7:39 pmSan Francisco

$55

Find similar

Frontier

Jul 21

SFO10:37 amSan Francisco

1h 40m

SAN12:17 pmSan Diego

Jul 25

SAN5:53 pmSan Diego

1h 46m

SFO7:39 pmSan Francisco

$56

Find similar

How to get the cheapest flight ticket from San Francisco to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between San Francisco and San Diego?

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of January, then departing from San Francisco during the month February is also very affordable. Most momondo users find prices during this month for around $124.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from San Francisco to San Diego is on a Tuesday. Travelers who choose to depart for San Diego on a Tuesday will often find tickets for as low as $142. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $179. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the morning when flights can be purchased for as low as $154. Flights at noon are often more expensive with an average ticket price of $229.

What is the cheapest San Francisco to San Diego flight route?

Fly from San Francisco to San Diego for the best San Francisco - San Diego flight prices

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

You are more likely to see cheaper flights to San Diego from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $141 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from San Francisco for as low as $107 on momondo.

What cabin class options are available on San Francisco to San Diego flights?

There are 4 cabin classes available to choose from on San Francisco to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have San Francisco to San Diego flight prices changed over time?

As of July 2025, prices for San Francisco to San Diego flights are approximately 59% cheaper when compared to flights at the same time last year.

When to book flights from San Francisco to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to San Diego according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap San Francisco to San Diego (SFO to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to San Diego

Best Price Found	$17
Fastest flight time	1h 30m
Direct flights	Every day
Airports in San Diego	1 airport

The best one-way flight to San Diego from San Francisco in the past 72 hours is $17. The best round-trip flight deal from San Francisco to San Diego found on momondo in the last 72 hours is $35.

The fastest flight from San Francisco to San Diego takes 1h 30m

Direct flights go from San Francisco to San Diego every day.

There is 1 airport near San Diego: San Diego (SAN)

Search flight deals

How far is San Francisco to San Diego by plane?
A flight from San Francisco to San Diego will travel around 458.7 mi. 1h 30m is a normal flight duration for this route.
When did momondo last update prices for flights from San Francisco Airport to San Diego Airport?
Prices for flights from San Francisco Airport to San Diego Airport were last updated today.
How many operators does momondo search for flights from San Francisco Airport to San Diego Airport?
As of July 2025, there are 8 operators available to choose from for flights from San Francisco Airport to San Diego Airport.
How old do you have to be to fly from San Francisco Airport to San Diego Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Francisco to San Diego?
Based on momondo bookings for flights between San Francisco and San Diego, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 16.21% of the total bookings. Other popular models include Embraer 175 with 13.74%, Boeing 737-800 with 10.59%, and Boeing 737-700 Passenger/BBJ1 (winglets) with 7.96%.
What is the most popular airline from San Francisco to San Diego?
Based on momondo bookings for this flight route, the most popular airline on flight routes from San Francisco to San Diego is Frontier (40% of total bookings). The next most popular airlines are United Airlines (21%), Alaska Airlines (18%), and Southwest (13%).

Best airlines flying from San Francisco to San Diego

Compare and see reviews for airlines that fly from San Francisco to San Diego with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $30	Free Cancellation	Rating 6.3 8,055 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $37	Free Cancellation	Rating 5.9 3,271 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $38	Free Cancellation	Rating 7.8 2,561 reviews	Search Hawaiian Airlines flights
United Airlines	PriceFrom $57	Free Cancellation	Rating 7.4 8,846 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $61	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $97	Free Cancellation	Rating 8.0 4,250 reviews	Search Southwest flights
Delta	PriceFrom $98	Free Cancellation	Rating 8.0 7,952 reviews	Search Delta flights
American Airlines	PriceFrom $160	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Alaska Airlines Flights From San Francisco to San Diego
Alaska Airlines is one of the most popular airlines flying from San Francisco to San Diego, operating 36 flights/week on average for this route. A good Alaska Airlines flight deal for San Francisco to San Diego starts from $61 round-trip, up to an average price of $201. Our users have rated Alaska Airlines at 8.0/10.
Southwest Flights From San Francisco to San Diego
Another popular option for San Francisco to San Diego flights is Southwest (8.0/10, 4,249 ratings). Southwest flies from San Francisco to San Diego around 24 times per week, with deals starting from $97 round-trip and rising to an average price of around $194.

Coronado

El Cajon

Chula Vista

Julian

National City

La Mesa

Imperial Beach

San Ysidro

Poway

Borrego Springs

Lemon Grove

Alpine

Santee

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to San Diego?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to San Diego. momondo saves you time and could save you money on your trip.

Can I find flights from San Francisco to San Diego with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Diego from San Francisco with this policy.

How can momondo help me find flights from San Francisco to San Diego?

momondo helps you find the best flight between San Francisco and San Diego by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San Francisco to San Diego right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Francisco to San Diego flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Tue 7/15

Tue 7/22

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing California

Popular cities in the United States

Flights to New Yorkfrom $37

Flights to Los Angelesfrom $39

Flights to Miamifrom $38

Flights to Chicagofrom $58

Flights to Las Vegasfrom $16

Flights to Orlandofrom $36

Flights to San Franciscofrom $56

Flights to Washington, D.C.from $38

Flights to Bostonfrom $57

Flights to Dallasfrom $66

Flights to Atlantafrom $49

Flights to Seattlefrom $82

Cheap flights from San Francisco to San Diego from $17

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to San Diego departing on 7/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from San Francisco to San Diego

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

United Airlines flights from San Francisco to San Diego

Our best United Airlines deals on San Francisco to San Diego flight tickets

Frontier flights from San Francisco to San Diego

Our best Frontier deals on San Francisco to San Diego flight tickets

See travel insights to San Diego from

How to get the cheapest flight ticket from San Francisco to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between San Francisco and San Diego?

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of January, then departing from San Francisco during the month February is also very affordable. Most momondo users find prices during this month for around $124.

What is the cheapest day to depart on your flight to San Diego?

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the morning when flights can be purchased for as low as $154. Flights at noon are often more expensive with an average ticket price of $229.

What is the cheapest San Francisco to San Diego flight route?

Fly from San Francisco to San Diego for the best San Francisco - San Diego flight prices

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

What cabin class options are available on San Francisco to San Diego flights?

There are 4 cabin classes available to choose from on San Francisco to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have San Francisco to San Diego flight prices changed over time?

As of July 2025, prices for San Francisco to San Diego flights are approximately 59% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from San Francisco to San Diego?

Frontier, Southwest, and United Airlines are the most popular carriers operating from San Francisco to San Diego

What airlines fly to San Diego?

How many flights depart from San Francisco to San Diego on average per day?

The number of flights available between San Francisco and San Diego is 72 per day as of July 2025. The most frequent departure time is 7:00PM, with 35% of daily flights leaving in the afternoon.

How many flights depart from San Francisco to San Diego on average per week?

As of July 2025, there are 508 flights per week flying from San Francisco to San Diego. The most common day of the week flights depart is Thu, with 17% of flights taking off on this day.

When to book flights from San Francisco to San Diego

Cheap San Francisco to San Diego (SFO to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to San Diego

Best Price Found

Fastest flight time

Direct flights

Airports in San Diego

How far is San Francisco to San Diego by plane?

When did momondo last update prices for flights from San Francisco Airport to San Diego Airport?

How many operators does momondo search for flights from San Francisco Airport to San Diego Airport?

How old do you have to be to fly from San Francisco Airport to San Diego Airport?

What documentation or ID do you need to fly to San Diego Airport?

What is the most popular plane model from San Francisco to San Diego?

What is the most popular airline from San Francisco to San Diego?

Best airlines flying from San Francisco to San Diego

Compare and see reviews for airlines that fly from San Francisco to San Diego with momondo

Alaska Airlines Flights From San Francisco to San Diego

Southwest Flights From San Francisco to San Diego

Traveling to a place near San Diego?

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to San Diego?

Can I find flights from San Francisco to San Diego with flexible booking policies on momondo?

How can momondo help me find flights from San Francisco to San Diego?

I’m not ready to book a flight from San Francisco to San Diego right now. Can momondo alert me if prices change?

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California