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

Which airlines fly to San Diego?

United Airlines, Frontier and Hawaiian Airlines are the top three most popular airlines that fly to San Diego from San Francisco according to our data. United Airlines is the first choice among our users, with 40% of people opting to fly with this airline when travelling to San Diego. Keep in mind that there are 3 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

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

According to our data, Air China has had the least delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

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

As of October 2025, 340 flights take off from San Francisco and land in San Diego each week. The most common flight departure day for this route is Mon, with 21% of weekly flights taking off on this day.

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 early afternoon 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.

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

As of October 2025, there are 48 flights per day flying from San Francisco to San Diego. The most common time of day flights depart is 7:00p.m., with 38% of flights taking off in the evening.

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

Historically, on average around 18% 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 119 minutes.

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 October 2025, there are 2 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 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$ 50 Cheap Flights from San Francisco to San Diego in 2025/26

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? 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

Enter your travel dates to find the best prices.

7:00 a.m. - 8:39 a.m.SFO-SAN

1h 39mdirect

6:15 a.m. - 8:06 a.m.SAN-SFO

1h 51mdirect

C$ 108Alaska Airlines

Find Deal

Thu, 4 Dec - Sat, 6 Dec

7:00 a.m. - 8:39 a.m.SFO-SAN

1h 39mdirect

12:31 p.m. - 2:15 p.m.SAN-SFO

1h 44mdirect

C$ 115Alaska Airlines

Find Deal

Thu, 4 Dec - Thu, 4 Dec

7:00 a.m. - 8:39 a.m.SFO-SAN

1h 39mdirect

9:59 p.m. - 11:48 p.m.SAN-SFO

1h 49mdirect

C$ 122Alaska Airlines

Find Deal

Thu, 4 Dec - Mon, 8 Dec

7:00 a.m. - 8:39 a.m.SFO-SAN

1h 39mdirect

12:15 p.m. - 2:02 p.m.SAN-SFO

1h 47mdirect

C$ 129Alaska Airlines

Find Deal

Tue, 10 Feb - Tue, 10 Feb

6:30 a.m. - 8:06 a.m.SFO-SAN

1h 36mdirect

7:45 a.m. - 9:32 a.m.SAN-SFO

1h 47mdirect

C$ 133United Airlines

Find Deal

Sat, 6 Dec - Sun, 7 Dec

1:55 p.m. - 3:25 p.m.SFO-SAN

1h 30mdirect

1:25 p.m. - 3:05 p.m.SAN-SFO

1h 40mdirect

C$ 136Southwest

Find Deal

Sat, 15 Nov - Wed, 19 Nov

5:10 a.m. - 10:15 a.m.SFO-SAN

5h 05m1 stop

7:40 p.m. - 9:20 p.m.SAN-SFO

1h 40mdirect

C$ 138Southwest

Find Deal

Wed, 19 Nov - Wed, 19 Nov

6:30 a.m. - 8:06 a.m.SFO-SAN

1h 36mdirect

7:45 a.m. - 9:32 a.m.SAN-SFO

1h 47mdirect

C$ 152United Airlines

Find Deal

Fri, 12 Dec - Sat, 13 Dec

6:00 a.m. - 9:19 a.m.SFO-SAN

3h 19m1 stop

10:00 a.m. - 3:13 p.m.SAN-SFO

5h 13m1 stop

C$ 219Delta

Find Deal

Tue, 24 Mar - Wed, 25 Mar

7:22 p.m. - 11:55 p.m.SFO-SAN

4h 33m1 stop

7:07 p.m. - 11:55 p.m.SAN-SFO

4h 48m1 stop

C$ 221Delta

Find Deal

Thu, 13 Nov - Mon, 17 Nov

Alaska Airlines flights from San Francisco to San Diego

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

Alaska Airlines

4 Dec

SFO7:00 a.m.San Francisco

1h 39m

SAN8:39 a.m.San Diego

6 Dec

SAN6:15 a.m.San Diego

1h 51m

SFO8:06 a.m.San Francisco

C$ 108

Find similar

Alaska Airlines

4 Dec

SFO7:00 a.m.San Francisco

1h 39m

SAN8:39 a.m.San Diego

4 Dec

SAN12:31 p.m.San Diego

1h 44m

SFO2:15 p.m.San Francisco

C$ 115

Find similar

Alaska Airlines

4 Dec

SFO7:00 a.m.San Francisco

1h 39m

SAN8:39 a.m.San Diego

8 Dec

SAN9:59 p.m.San Diego

1h 49m

SFO11:48 p.m.San Francisco

C$ 122

Find similar

Southwest flights from San Francisco to San Diego

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

Southwest

15 Nov

SFO1:55 p.m.San Francisco

1h 30m

SAN3:25 p.m.San Diego

19 Nov

SAN1:25 p.m.San Diego

1h 40m

SFO3:05 p.m.San Francisco

C$ 136

Find similar

Southwest

19 Nov

SFO5:10 a.m.San Francisco

5h 05m

1 stop

SAN10:15 a.m.San Diego

19 Nov

SAN7:40 p.m.San Diego

1h 40m

SFO9:20 p.m.San Francisco

C$ 138

Find similar

Southwest

4 Dec

SFO8:20 a.m.San Francisco

8h 35m

2 stops

SAN4:55 p.m.San Diego

7 Dec

SAN7:00 a.m.San Diego

1h 45m

SFO8:45 a.m.San Francisco

C$ 143

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 4/12

7:00 a.m.-8:39 a.m.

Nonstop1h 39m

San Diego

Sat 6/12

6:15 a.m.-8:06 a.m.

Nonstop1h 51m

C$ 108

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 4/12

7:00 a.m.-8:39 a.m.

Nonstop1h 39m

San Diego

Thu 4/12

12:31 p.m.-2:15 p.m.

Nonstop1h 44m

C$ 115

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 4/12

7:00 a.m.-8:39 a.m.

Nonstop1h 39m

San Diego

Mon 8/12

9:59 p.m.-11:48 p.m.

Nonstop1h 49m

C$ 122

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 10/2

7:00 a.m.-8:39 a.m.

Nonstop1h 39m

San Diego

Tue 10/2

12:15 p.m.-2:02 p.m.

Nonstop1h 47m

C$ 129

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 6/12

6:30 a.m.-8:06 a.m.

Nonstop1h 36m

San Diego

Sun 7/12

7:45 a.m.-9:32 a.m.

Nonstop1h 47m

C$ 133

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 15/11

1:55 p.m.-3:25 p.m.

Nonstop1h 30m

San Diego

Wed 19/11

1:25 p.m.-3:05 p.m.

Nonstop1h 40m

C$ 136

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 19/11

5:10 a.m.-10:15 a.m.

1 stop5h 05m

San Diego

Wed 19/11

7:40 p.m.-9:20 p.m.

Nonstop1h 40m

C$ 138

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 12/12

6:30 a.m.-8:06 a.m.

Nonstop1h 36m

San Diego

Sat 13/12

7:45 a.m.-9:32 a.m.

Nonstop1h 47m

C$ 152

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 24/3

6:00 a.m.-9:19 a.m.

1 stop3h 19m

San Diego

Wed 25/3

10:00 a.m.-3:13 p.m.

1 stop5h 13m

C$ 219

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 13/11

7:22 p.m.-11:55 p.m.

1 stop4h 33m

San Diego

Mon 17/11

7:07 p.m.-11:55 p.m.

1 stop4h 48m

C$ 221

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, January 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$ 156. 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 C$ 175.

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 Monday when prices can be found for as low as C$ 128. 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$ 579.

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$ 135 when looking at flights departing in the morning. Flights to San Diego are more costly at noon, with an average ticket price of C$ 360. 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$ 205 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$ 155 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.

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

As of October 2025, prices for San Francisco to San Diego flights are approximately 35% 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

Fastest flight time	1h 25m
Direct flights	Every day
Airports in San Diego	1 airport

The fastest flight from San Francisco to San Diego takes 1h 25m

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 738.2 km. In terms of flight time, this usually takes a little over 1h 30m.
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 October 2025, there are 2 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 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 737-800 Passenger/BBJ2 (winglets), making up 15.47% of the total bookings. Other popular models include Boeing 737-800 with 13.38%, Embraer 175 with 12.82%, and Boeing 737 MAX 8 with 11.12%.
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 (50% of total bookings). The next most popular airline is Hawaiian Airlines (50%).

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$ 100	Free Cancellation	Rating 7.8 2,796 reviews		Search Hawaiian Airlines flights
Frontier	PriceFrom C$ 106	Free Cancellation	Rating 5.8 3,124 reviews		Search Frontier flights

Hawaiian Airlines Flights From San Francisco to San Diego
Hawaiian Airlines flies from San Francisco to San Diego around 36 times per week, with 2,794 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$ 100 (round-trip), much lower than the average airfare cost of C$ 158 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Fri 28/11

Fri 5/12

Email me momondo's favourite 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 Fort Lauderdalefrom C$ 150

Flights to Orlandofrom C$ 150

Flights to New Yorkfrom C$ 261

Flights to Las Vegasfrom C$ 141

Flights to Los Angelesfrom C$ 137

Flights to Miamifrom C$ 270

Flights to San Franciscofrom C$ 120

Flights to Honolulufrom C$ 327

Flights to Phoenixfrom C$ 163

Flights to Tampafrom C$ 225

Flights to Chicagofrom C$ 184

Flights to Houstonfrom C$ 224

Cheap flights from San Francisco to San Diego from C$ 54

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 19/11. 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, great deals

Big names, great 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

Alaska Airlines flights from San Francisco to San Diego

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

Southwest flights from San Francisco to San Diego

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

momondo Fare Finder

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

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 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.

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

As of October 2025, prices for San Francisco to San Diego flights are approximately 35% cheaper 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

Which airlines fly to San Diego?

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

Historically, on average around 18% 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 119 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 early afternoon 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, Air China has had the least delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

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

As of October 2025, there are 48 flights per day flying from San Francisco to San Diego. The most common time of day flights depart is 7:00p.m., with 38% of flights taking off in the evening.

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

As of October 2025, 340 flights take off from San Francisco and land in San Diego each week. The most common flight departure day for this route is Mon, 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