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$52+ Cheap flights from San Francisco to San Diego (SFO - SAN)

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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAN
Mar 27 — Apr 31
Fri 3/27
Fri 4/3
1 adult, Economy
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Find cheap flights from San Francisco to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from San Francisco to San Diego are usually found in July or March, booked 72 days in advance, depart on a Tuesday or Monday and return on a Friday

Cheap flight deals from San Francisco to San Diego

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 February 25, 2026.

This Mytrip deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:00 am
SFO
-
SAN
1 stop18h 05m
Frontier
Thu 4/169:19 am
SAN
-
SFO
Nonstop1h 52m
Frontier
Deal found 2/22$115
This WAYA deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:35 am
SFO
-
SAN
Nonstop1h 40m
Multiple Airlines
Wed 3/252:08 pm
SAN
-
SFO
1 stop4h 29m
Multiple Airlines
Deal found 2/22$116
This United Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/110:40 pm
SFO
-
SAN
Nonstop1h 49m
United Airlines
Thu 4/21:20 pm
SAN
-
SFO
Nonstop1h 46m
United Airlines
Deal found 2/24$117
This Expedia deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:30 am
SFO
-
SAN
Nonstop1h 44m
Multiple Airlines
Mon 4/209:19 am
SAN
-
SFO
Nonstop1h 52m
Multiple Airlines
Deal found 2/23$118
This CheapOair deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:20 pm
SFO
-
SAN
Nonstop1h 45m
Frontier
Sun 6/79:59 pm
SAN
-
SFO
1 stop20h 26m
Frontier
Deal found 2/24$119
This Southwest deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:40 pm
SFO
-
SAN
Nonstop1h 45m
Southwest
Fri 4/106:20 am
SAN
-
SFO
Nonstop1h 50m
Southwest
Deal found 2/23$121
This Southwest deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:45 am
SFO
-
SAN
2 stops10h 15m
Southwest
Wed 3/257:00 pm
SAN
-
SFO
1 stop5h 15m
Southwest
Deal found 2/21$122
This Expedia deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:58 am
SFO
-
SAN
Nonstop1h 42m
Frontier
Sun 4/196:25 am
SAN
-
SFO
1 stop26h 48m
Frontier
Deal found 2/24$123
This Frontier deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:58 am
SFO
-
SAN
Nonstop1h 42m
Frontier
Mon 5/48:38 am
SAN
-
SFO
1 stop7h 06m
Frontier
Deal found 2/24$124
This Frontier deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:58 am
SFO
-
SAN
Nonstop1h 42m
Frontier
Mon 4/206:25 am
SAN
-
SFO
1 stop18h 02m
Frontier
Deal found 2/22$125
This United Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:30 am
SFO
-
SAN
Nonstop1h 34m
United Airlines
Mon 5/116:20 am
SAN
-
SFO
1 stop4h 28m
United Airlines
Deal found 2/24$126

Find flight deals from San Francisco to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$115
(Mytrip)

One-way from

$52
(Kiwi.com)

Popular in

December

Cheapest in

July

Average price

$212

Good round-trip deal

$169 or less

Good one-way deal

$123 or less
Provider with most accurate pricing for San Francisco-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-San Diego flights.
Search Deals
From San Francisco to San Diego
Search Deals
One-way flight from San Francisco to San Diego
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from San Francisco to San Diego.
Search Deals
Price to beat on a one-way flight from San Francisco to San Diego.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 25, 2026.
Use the filters below to find and compare flights from San Francisco to San Diego that are best for you.

Fly from

San Francisco

Fly to

San Diego

Route

Depart

Return

Price

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 3/25

6:45 am-5:00 pm

2 stops10h 15m

San Diego

Wed 3/25

7:00 pm-12:15 am

1 stop5h 15m

$122

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 4/2

7:00 am-8:44 am

Nonstop1h 44m

San Diego

Sun 4/5

6:36 am-8:24 am

Nonstop1h 48m

$137

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 4/25

10:40 pm-12:29 am

Nonstop1h 49m

San Diego

Sun 4/26

6:36 am-8:24 am

Nonstop1h 48m

$143

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 3/17

1:05 pm-6:50 pm

1 stop5h 45m

San Diego

Tue 3/24

7:05 pm-11:59 pm

1 stop4h 54m

$157

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 4/23

6:00 am-10:20 am

1 stop4h 20m

San Diego

Sat 4/25

5:00 pm-8:14 pm

1 stop3h 14m

$157

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 4/11

7:11 pm-11:59 pm

1 stop4h 48m

San Diego

Sun 4/19

6:20 am-10:49 am

1 stop4h 29m

$157

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 4/9

10:10 am-11:45 am

Nonstop1h 35m

San Diego

Thu 4/16

6:45 am-12:35 pm

2 stops5h 50m

$169

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Mon 3/16

7:00 am-8:40 am

Nonstop1h 40m

San Diego

Thu 3/19

6:15 am-8:05 am

Nonstop1h 50m

$198

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 3/21

5:50 pm-11:14 pm

1 stop5h 24m

San Diego

Wed 3/25

7:05 pm-11:59 pm

1 stop4h 54m

$228

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 4/2

7:00 am-8:44 am

Nonstop1h 44m

San Diego

Mon 4/6

9:46 am-11:32 am

Nonstop1h 46m

$231

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 24 results
1
2
3

Compare providers for flights from San Francisco to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to San Diego in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 round-trip flight from San Francisco to San Diego. Price data was last updated on February 20, 2026.

The price you pay for your flight from San Francisco to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 72 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, May is the cheapest month in which you can book a flight from San Francisco to San Diego (average of $33). Flying from San Francisco to San Diego in January is currently the most expensive (average of $84). 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.

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 February 25, 2026.

A simple way to save on the total cost of your ticket is to fly from San Francisco to San Diego in the morning. If you’re flexible enough to do this you can expect to save up to 10% on your trip compared to booking a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from San Francisco to San Diego. Price data was last updated on February 21, 2026.

Travelers seeking maximum savings on their San Francisco to San Diego flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from San Francisco to San Diego?

The best insider tips for San Francisco to San Diego flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to San Diego trip
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines and SFO

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Marisa Garcia

Marisa Garcia

Expert on Frontier and Southwest

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Blane Bachelor

Blane Bachelor

Expert on SAN

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated February 25, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Hawaiian Airlines from San Francisco to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,950 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Alaska Airlines
8.0
Very good
11,950 reviews
Alaska Airlines
8.0
Very good
11,950 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Southwest
8.0
Very good
4,299 reviews
Alaska Airlines
8.0
Very good
11,950 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Hawaiian Airlines
7.8
Good
2,836 reviews
Alaska Airlines
8.0
Very good
11,950 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
United Airlines
7.4
Good
9,345 reviews
Alaska Airlines
8.0
Very good
11,950 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Frontier
5.7
Fair
3,041 reviews
Alaska Airlines
8.0
Very good
11,950 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

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.

  • What airports do I use to fly from San Francisco to San Diego?

    If you wish to fly to San Diego from San Francisco, then you need to book flights from San Francisco to San Diego. There are 47 flights from San Francisco (SFO) to San Diego (SAN) per day to choose from. Flights to San Diego from San Francisco are available from 9 different airlines, which means you should have some options if you want to compare airfare deals. 1h 34m is how long a nonstop flight from San Francisco to San Diego typically takes.

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

    Flights from San Francisco to San Diego have been viewed 133 times in the past calendar month.

  • How long is the flight from San Francisco to San Diego?

    Airlines like Southwest, United Airlines, and Delta fly from San Francisco to San Diego in about 1h 44m. The time it takes to get you to your destination can typically vary by up to 8h 31m. San Francisco and San Diego are separated by a distance of 446 mi. This flight may include one or multiple stops.

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

    Flying on Spirit Airlines is currently your cheapest option to San Diego, with prices starting at $27. Additional round-trip tickets that might be worth considering are offered by Frontier and Hawaiian Airlines, with the lowest prices starting at $36 and $38, respectively. These flights start at 84% lower than the current average price 3 months from now.

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

    $21 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and United Airlines, with prices starting from $29 and $32, respectively.

  • What are the most reliable airlines from San Francisco to San Diego?

    Before booking your flight to San Diego from San Francisco, check out the most reliable airlines to get you to your destination on time: Japan Airlines (85%), United Airlines (77%), Air New Zealand( 75%).

  • What are the cheapest flights from San Francisco to San Diego?

    Looking for the cheapest flight from San Francisco to San Diego? While on average our users pay $375, our data indicates the cheapest price to be $48. The most popular route (San Francisco - San Diego), is priced around $55.

  • Can I find deals for flights from San Francisco to San Diego that include hotel bookings?

    Yes. In addition to deals on San Francisco to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to San Diego?

    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.

  • Can I find deals for business class flights from San Francisco to San Diego?

    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.

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

    Currently, May is the cheapest month in which you can book a flight from San Francisco to San Diego (average of $33). Flying from San Francisco to San Diego in January is currently the most expensive (average of $84). 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.

See more FAQs

Traveling to a place near San Diego?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from San Francisco to San Diego

Discover the top 9 airlines that operate flights from San Francisco to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$27Average$93FlexibilityNo cancel feeOn-time65%
FrontierCheapest$36Average$113FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$38Average$137FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$53Average$145FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$57Average$178FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$66Average$198FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$77Average$189FlexibilityNo cancel feeOn-time63%
DeltaCheapest$88Average$196FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$177Average$332FlexibilityNo cancel feeOn-time71%

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