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

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

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

As of January 2026, there are 46 flights per day flying from San Francisco to San Diego. The most common time of day flights depart is 5:00p.m., with 44% of flights taking off at noon.

What is the most punctual flight time for San Francisco to San Diego flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

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

Historically, on average around 21% of flights between San Francisco and San Diego have experienced a delay on any given week. The average delay length over the past 12 months has been 118 minutes.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

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

As of January 2026, 327 flights take off from San Francisco and land in San Diego each week. The most common flight departure day for this route is Tue, with 21% of weekly flights taking off on this day.

Which airline has the best punctuality record on San Francisco to San Diego flights?

According to our data, United Airlines has had the least delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

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 are updated daily.

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

As of January 2026, there is 1 operator 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to San Diego Airport.

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

The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 49 Cheap Flights from San Francisco to San Diego in 2026

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Find the cheapest flights from San Francisco to San Diego

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:30 p.m. - 7:40 p.m.

SFO

SAN

7h 10m

1 stop

4:25 p.m. - 10:05 p.m.

SAN

SFO

5h 40m

1 stop

C$ 160Southwest

Wed, 25 Feb - Sat, 28 Feb

5:55 p.m. - 10:30 p.m.

SFO

SAN

4h 35m

1 stop

4:20 p.m. - 11:15 p.m.

SAN

SFO

6h 55m

2 stops

C$ 167Southwest

Sat, 7 Mar - Tue, 10 Mar

8:59 a.m. - 10:39 a.m.

SFO

SAN

1h 40mdirect

6:15 a.m. - 8:05 a.m.

SAN

SFO

1h 50mdirect

C$ 168United Airlines

Thu, 26 Feb - Sun, 1 Mar

8:59 a.m. - 10:39 a.m.

SFO

SAN

1h 40mdirect

9:54 a.m. - 11:44 a.m.

SAN

SFO

1h 50mdirect

C$ 170United Airlines

Thu, 26 Feb - Mon, 2 Mar

5:05 p.m. - 6:48 p.m.

SFO

SAN

1h 43mdirect

9:54 a.m. - 11:44 a.m.

SAN

SFO

1h 50mdirect

C$ 173United Airlines

Sat, 21 Feb - Mon, 2 Mar

9:05 a.m. - 10:40 a.m.

SFO

SAN

1h 35mdirect

6:25 a.m. - 8:15 a.m.

SAN

SFO

1h 50mdirect

C$ 174Southwest

Thu, 26 Feb - Sun, 1 Mar

7:00 a.m. - 8:40 a.m.

SFO

SAN

1h 40mdirect

6:15 a.m. - 8:05 a.m.

SAN

SFO

1h 50mdirect

C$ 182United Airlines

Sun, 22 Feb - Sun, 1 Mar

1:50 p.m. - 3:20 p.m.

SFO

SAN

1h 30mdirect

6:50 a.m. - 8:35 a.m.

SAN

SFO

1h 45mdirect

C$ 183Southwest

Tue, 17 Feb - Sat, 21 Feb

9:50 p.m. - 11:15 p.m.

SFO

SAN

1h 25mdirect

7:10 a.m. - 10:55 a.m.

SAN

SFO

3h 45m

1 stop

C$ 186Southwest

Fri, 20 Feb - Tue, 24 Feb

6:15 a.m. - 7:45 a.m.

SFO

SAN

1h 30mdirect

6:25 a.m. - 8:15 a.m.

SAN

SFO

1h 50mdirect

C$ 188Southwest

Sat, 28 Feb - Sun, 1 Mar

Southwest flights from San Francisco to San Diego

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

Southwest

25 Feb

SFO5:05 a.m.San Francisco

5h 50m

1 stop

SAN10:55 a.m.San Diego

4 Mar

SAN8:35 a.m.San Diego

8h 30m

1 stop

SFO5:05 p.m.San Francisco

C$ 160

Southwest

7 Mar

SFO5:55 p.m.San Francisco

4h 35m

1 stop

SAN10:30 p.m.San Diego

10 Mar

SAN4:20 p.m.San Diego

6h 55m

2 stops

SFO11:15 p.m.San Francisco

C$ 167

Southwest

26 Feb

SFO9:05 a.m.San Francisco

1h 35m

SAN10:40 a.m.San Diego

1 Mar

SAN6:25 a.m.San Diego

1h 50m

SFO8:15 a.m.San Francisco

C$ 174

Delta flights from San Francisco to San Diego

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

Delta

13 Mar

SFO6:00 a.m.San Francisco

3h 07m

1 stop

SAN9:07 a.m.San Diego

20 Mar

SAN7:05 p.m.San Diego

4h 54m

1 stop

SFO11:59 p.m.San Francisco

C$ 215

Delta

10 Feb

SFO6:49 p.m.San Francisco

4h 59m

1 stop

SAN11:48 p.m.San Diego

3 Mar

SAN10:40 a.m.San Diego

4h 23m

1 stop

SFO3:03 p.m.San Francisco

C$ 268

Delta

10 Feb

SFO6:00 a.m.San Francisco

6h 22m

1 stop

SAN12:22 p.m.San Diego

6 Mar

SAN7:01 p.m.San Diego

4h 53m

1 stop

SFO11:54 p.m.San Francisco

C$ 298

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 25/2

12:30 p.m.-7:40 p.m.

1 stop7h 10m

San Diego

Sat 28/2

4:25 p.m.-10:05 p.m.

1 stop5h 40m

C$ 160

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 7/3

5:55 p.m.-10:30 p.m.

1 stop4h 35m

San Diego

Tue 10/3

4:20 p.m.-11:15 p.m.

2 stops6h 55m

C$ 167

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 26/2

8:59 a.m.-10:39 a.m.

Nonstop1h 40m

San Diego

Sun 1/3

6:15 a.m.-8:05 a.m.

Nonstop1h 50m

C$ 168

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 26/2

8:59 a.m.-10:39 a.m.

Nonstop1h 40m

San Diego

Mon 2/3

9:54 a.m.-11:44 a.m.

Nonstop1h 50m

C$ 170

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 21/2

5:05 p.m.-6:48 p.m.

Nonstop1h 43m

San Diego

Mon 2/3

9:54 a.m.-11:44 a.m.

Nonstop1h 50m

C$ 173

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 26/2

9:05 a.m.-10:40 a.m.

Nonstop1h 35m

San Diego

Sun 1/3

6:25 a.m.-8:15 a.m.

Nonstop1h 50m

C$ 174

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sun 22/2

7:00 a.m.-8:40 a.m.

Nonstop1h 40m

San Diego

Sun 1/3

6:15 a.m.-8:05 a.m.

Nonstop1h 50m

C$ 182

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 17/2

1:50 p.m.-3:20 p.m.

Nonstop1h 30m

San Diego

Sat 21/2

6:50 a.m.-8:35 a.m.

Nonstop1h 45m

C$ 183

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 20/2

9:50 p.m.-11:15 p.m.

Nonstop1h 25m

San Diego

Tue 24/2

7:10 a.m.-10:55 a.m.

1 stop3h 45m

C$ 186

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 28/2

6:15 a.m.-7:45 a.m.

Nonstop1h 30m

San Diego

Sun 1/3

6:25 a.m.-8:15 a.m.

Nonstop1h 50m

C$ 188

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Delays

Other information

What is the cheapest month to fly to San Diego?

In general, March is the cheapest month to fly from San Francisco to San Diego. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 181. If you are unable to visit San Diego during the month of March, then departing from San Francisco during the month July is also very affordable. Most momondo users find prices during this month for around C$ 182.

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

The cheapest day to depart on your flight to San Diego is on a Friday when prices can be found for as low as C$ 78. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to San Diego on Saturday is C$ 567.

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

Flying to San Diego from San Francisco in the morning is the least expensive time of day to depart. momondo users have found prices as low as C$ 132 when looking at flights departing in the morning. Flights to San Diego are more costly at noon, with an average ticket price of C$ 353. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 C$ 221 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 C$ 163 on momondo.

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

There are 2 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.

Can stopping save me money on San Francisco to San Diego flights?

You could potentially save up to 31% on your flight if you consider stops on a San Francisco to San Diego flight.

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

As of January 2026, prices for San Francisco to San Diego flights are approximately 3% more expensive 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

Fastest flight time	1h 40m
Direct flights	Every day
Airports in San Diego	1 airport

The fastest flight from San Francisco to San Diego takes 1h 40m

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

There is 1 airport in San Diego. From San Francisco there are direct flights to 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 738.2 km. In terms of flight time, this usually takes a little over 1h 40m.
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 are updated daily.
How many operators does momondo search for flights from San Francisco Airport to San Diego Airport?
As of January 2026, there is 1 operator 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek 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 MAX 8, making up 21.45% of the total bookings. Other popular models include Boeing 737-800 with 16.29%, Boeing 737-800 Passenger/BBJ2 (winglets) with 12.93%, and Boeing 737-700 Passenger/BBJ1 (winglets) with 9.54%.
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 Hawaiian Airlines (100% of total bookings).

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
Hawaiian Airlines	PriceFrom C$ 98	Free Cancellation	Rating 7.8 2,829 reviews		Search Hawaiian Airlines flights

Hawaiian Airlines Flights From San Francisco to San Diego
Hawaiian Airlines flies from San Francisco to San Diego around 38 times per week, with 2,829 momondo users rating the airline 7.8/10. The cheapest Hawaiian Airlines deal from San Francisco to San Diego in the last 72 hours was C$ 98 (round-trip), much lower than the average airfare cost of C$ 155 for Hawaiian Airlines flights on this route.

El Cajon

Coronado

Borrego Springs

Chula Vista

Why use momondo?

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

Finding the right flight to San Diego from San Francisco is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Diego quick and easy, saving you time and money.

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?

Once all potential San Francisco to San Diego flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for San Francisco to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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.

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Cheap flights from San Francisco to San Diego from C$ 81

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 28/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names, great deals

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Southwest flights from San Francisco to San Diego

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

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

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

See travel insights to San Diego from

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

What is the cheapest month to fly to San Diego?

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?

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 2 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.

Can stopping save me money on San Francisco to San Diego flights?

You could potentially save up to 31% on your flight if you consider stops on a San Francisco to San Diego flight.

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

As of January 2026, prices for San Francisco to San Diego flights are approximately 3% more expensive when compared to flights at the same time last year.

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

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

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

Historically, on average around 21% of flights between San Francisco and San Diego have experienced a delay on any given week. The average delay length over the past 12 months has been 118 minutes.

What is the most punctual flight time for San Francisco to San Diego flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on San Francisco to San Diego flights?

According to our data, United Airlines has had the least delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

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

As of January 2026, there are 46 flights per day flying from San Francisco to San Diego. The most common time of day flights depart is 5:00p.m., with 44% of flights taking off at noon.

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

As of January 2026, 327 flights take off from San Francisco and land in San Diego each week. The most common flight departure day for this route is Tue, with 21% of weekly 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

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

Hawaiian Airlines Flights From San Francisco to San Diego

Travelling 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