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Cheap flights from San Francisco to San Diego from $53

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 4/17. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:35 pm - 12:14 am
SFO
-
SAN
1h 39mnonstop
United Airlines Logo
6:15 am - 8:05 am
SAN
-
SFO
1h 50mnonstop
$115United Airlines
Sat, Mar 7 - Sat, Mar 14
Multiple Airlines Logo
10:48 am - 3:17 pm
SFO
-
SAN
4h 29m
1 stop
Multiple Airlines Logo
10:09 pm - 11:59 pm
SAN
-
SFO
1h 50mnonstop
$116Multiple Airlines
Thu, Feb 26 - Tue, Mar 3
Alaska Airlines Logo
6:40 am - 8:18 am
SFO
-
SAN
1h 38mnonstop
Alaska Airlines Logo
8:59 pm - 10:47 pm
SAN
-
SFO
1h 48mnonstop
$117Alaska Airlines
Wed, Mar 4 - Wed, Mar 11
Frontier Logo
10:03 am - 11:41 am
SFO
-
SAN
1h 38mnonstop
Frontier Logo
9:19 am - 11:06 am
SAN
-
SFO
1h 47mnonstop
$118Frontier
Fri, May 15 - Mon, May 18
Frontier Logo
10:03 am - 11:41 am
SFO
-
SAN
1h 38mnonstop
Frontier Logo
9:19 am - 11:06 am
SAN
-
SFO
1h 47mnonstop
$119Frontier
Fri, May 15 - Mon, May 18
Multiple Airlines Logo
10:03 am - 11:41 am
SFO
-
SAN
1h 38mnonstop
Multiple Airlines Logo
5:52 pm - 7:38 pm
SAN
-
SFO
1h 46mnonstop
$120Multiple Airlines
Thu, May 7 - Sat, May 9
Southwest Logo
5:55 pm - 10:30 pm
SFO
-
SAN
4h 35m
1 stop
Southwest Logo
6:30 am - 8:20 am
SAN
-
SFO
1h 50mnonstop
$122Southwest
Sat, Mar 7 - Sun, Mar 8
Frontier Logo
11:29 am - 5:40 pm
SFO
-
SAN
6h 11m
1 stop
Frontier Logo
9:19 am - 11:06 am
SAN
-
SFO
1h 47mnonstop
$123Frontier
Thu, May 7 - Sun, May 10
Frontier Logo
10:03 am - 11:41 am
SFO
-
SAN
1h 38mnonstop
Frontier Logo
9:07 pm - 2:26 pm
SAN
-
SFO
17h 19m
1 stop
$125Frontier
Thu, Apr 16 - Mon, Apr 20
Frontier Logo
6:00 am - 11:06 pm
SFO
-
SAN
17h 06m
1 stop
Frontier Logo
9:07 pm - 4:52 pm
SAN
-
SFO
19h 45m
1 stop
$126Frontier
Tue, Apr 14 - Fri, Apr 17

United Airlines flights from San Francisco to San Diego

Our best United Airlines deals on San Francisco to San Diego flight tickets
United Airlines
Mar 7
SFO10:35 pmSan Francisco
1h 39m
SAN12:14 amSan Diego
Mar 14
SAN6:15 amSan Diego
1h 50m
SFO8:05 amSan Francisco
$115
United Airlines
Mar 6
SFO10:35 pmSan Francisco
1h 39m
SAN12:14 amSan Diego
Mar 12
SAN7:55 amSan Diego
1h 50m
SFO9:45 amSan Francisco
$127
United Airlines
Mar 21
SFO10:35 pmSan Francisco
1h 39m
SAN12:14 amSan Diego
Mar 31
SAN6:20 pmSan Diego
3h 15m
1 stop
SFO9:35 pmSan Francisco
$140

Frontier flights from San Francisco to San Diego

Our best Frontier deals on San Francisco to San Diego flight tickets
Frontier
Apr 24
SFO10:03 amSan Francisco
1h 38m
SAN11:41 amSan Diego
Apr 27
SAN9:19 amSan Diego
1h 47m
SFO11:06 amSan Francisco
$119
Frontier
May 7
SFO11:29 amSan Francisco
6h 11m
1 stop
SAN5:40 pmSan Diego
May 10
SAN9:19 amSan Diego
1h 47m
SFO11:06 amSan Francisco
$123
Frontier
Apr 16
SFO10:03 amSan Francisco
1h 38m
SAN11:41 amSan Diego
Apr 20
SAN9:07 pmSan Diego
17h 19m
1 stop
SFO2:26 pmSan Francisco
$125

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 8, 2026.
Use the filters below to find and compare flights from San Francisco to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 3/7

10:35 pm-12:14 am

Nonstop1h 39m

San Diego

Sat 3/14

6:15 am-8:05 am

Nonstop1h 50m

$115

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 2/26

10:48 am-3:17 pm

1 stop4h 29m

San Diego

Tue 3/3

10:09 pm-11:59 pm

Nonstop1h 50m

$116

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 3/4

6:40 am-8:18 am

Nonstop1h 38m

San Diego

Wed 3/11

8:59 pm-10:47 pm

Nonstop1h 48m

$117

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 5/15

10:03 am-11:41 am

Nonstop1h 38m

San Diego

Mon 5/18

9:19 am-11:06 am

Nonstop1h 47m

$118

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 5/15

10:03 am-11:41 am

Nonstop1h 38m

San Diego

Mon 5/18

9:19 am-11:06 am

Nonstop1h 47m

$119

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 5/7

10:03 am-11:41 am

Nonstop1h 38m

San Diego

Sat 5/9

5:52 pm-7:38 pm

Nonstop1h 46m

$120

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 3/7

5:55 pm-10:30 pm

1 stop4h 35m

San Diego

Sun 3/8

6:30 am-8:20 am

Nonstop1h 50m

$122

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 5/7

11:29 am-5:40 pm

1 stop6h 11m

San Diego

Sun 5/10

9:19 am-11:06 am

Nonstop1h 47m

$123

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 4/16

10:03 am-11:41 am

Nonstop1h 38m

San Diego

Mon 4/20

9:07 pm-2:26 pm

1 stop17h 19m

$125

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 4/14

6:00 am-11:06 pm

1 stop17h 06m

San Diego

Fri 4/17

9:07 pm-4:52 pm

1 stop19h 45m

$126

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

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 $133.

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 $159. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $205. 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 $174. Flights at noon are often more expensive with an average ticket price of $199.

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 $163 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 $120 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 February 2026, prices for San Francisco to San Diego flights are approximately 30% 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

$110

Fastest flight time

1h 25m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in San Diego

1 airport
The best one-way flight to San Diego from San Francisco in the past 72 hours is $110. The best round-trip flight deal from San Francisco to San Diego found on momondo in the last 72 hours is $168.
The fastest flight from San Francisco to San Diego takes 1h 25m
Direct flights go from San Francisco to San Diego on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is United Airlines.
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 458.7 mi. 1h 25m 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $21Free CancellationRating
6.3
8,430 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $30Free CancellationRating
7.8
2,829 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $36Free CancellationRating
5.7
3,052 reviews
Search Frontier flights
JetBluePriceFrom $53Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights
United AirlinesPriceFrom $57Free CancellationRating
7.4
9,254 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $60Free CancellationRating
8.0
11,850 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $77Free CancellationRating
8.0
4,280 reviews
Search Southwest flights
DeltaPriceFrom $98Free CancellationRating
7.9
8,172 reviews
Search Delta flights
American AirlinesPriceFrom $181Free CancellationRating
7.2
11,249 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 20 flights/week on average for this route. A good Alaska Airlines flight deal for San Francisco to San Diego starts from $60 round-trip, up to an average price of $191. 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, 4,280 ratings). Southwest flies from San Francisco to San Diego around 30 times per week, with deals starting from $77 round-trip and rising to an average price of around $186.

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
Poway
National City
Imperial Beach
San Ysidro
Borrego Springs
La Mesa
Alpine
Lemon Grove
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
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