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$29+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAN
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
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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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Cheapflights Tip: The best prices from San Francisco to San Diego are usually found in January or February, booked 30 days in advance, depart on a Saturday or Tuesday and return on a Friday

Cheap 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 April 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$58
(Frontier)

One-way from

$29
(Alaska Airlines)

Popular in

July

Cheapest in

January

Average price

$158

Good round-trip deal

$91 or less

Good one-way deal

$58 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. 14% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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.
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Find 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 April 25, 2025.

This Frontier deal was found by Cheapflights users on 4/24. 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 5/84:44 pmSFO - SAN
Nonstop1h 44mFrontier
Sun 5/118:32 amSAN - SFO
Nonstop1h 51mFrontier
Deal found 4/24$58
This Orbitz deal was found by Cheapflights users on 4/25. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/287:24 amSFO - SAN
Nonstop1h 38mMultiple Airlines
Mon 6/25:22 pmSAN - SFO
Nonstop1h 43mMultiple Airlines
Deal found 4/25$63
This Hawaiian Airlines deal was found by Cheapflights users on 4/25. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:40 amSFO - SAN
Nonstop1h 35mHawaiian Airlines
Thu 5/1510:15 pmSAN - SFO
Nonstop1h 38mHawaiian Airlines
Deal found 4/25$67
This United Airlines deal was found by Cheapflights users on 4/24. 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 5/710:45 amSFO - SAN
Nonstop1h 38mUnited Airlines
Wed 5/74:00 pmSAN - SFO
Nonstop1h 42mUnited Airlines
Deal found 4/24$72
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/78:30 amSFO - SAN
Nonstop1h 35mAlaska Airlines
Fri 5/96:15 amSAN - SFO
Nonstop1h 47mAlaska Airlines
Deal found 4/25$87
This Southwest deal was found by Cheapflights users on 4/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/36:35 pmSFO - SAN
1 stop4h 10mSouthwest
Sat 6/76:35 amSAN - SFO
Nonstop1h 40mSouthwest
Deal found 4/24$97
This American Airlines deal was found by Cheapflights users on 4/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/259:15 amSFO - SAN
1 stop6h 26mAmerican Airlines
Wed 5/2810:00 amSAN - SFO
1 stop6h 03mAmerican Airlines
Deal found 4/25$159
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/257:00 pmSFO - SAN
1 stop4h 41mDelta
Sun 7/276:15 amSAN - SFO
1 stop5h 43mDelta
Deal found 4/24$176

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 April 25, 2025.
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

Thu 5/8

4:44 pm-6:28 pm

Nonstop1h 44m

San Diego

Sun 5/11

8:32 am-10:23 am

Nonstop1h 51m

$58

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 5/28

7:24 am-9:02 am

Nonstop1h 38m

San Diego

Mon 6/2

5:22 pm-7:05 pm

Nonstop1h 43m

$63

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 5/6

6:40 am-8:15 am

Nonstop1h 35m

San Diego

Thu 5/15

10:15 pm-11:53 pm

Nonstop1h 38m

$67

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 5/7

10:45 am-12:23 pm

Nonstop1h 38m

San Diego

Wed 5/7

4:00 pm-5:42 pm

Nonstop1h 42m

$72

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 5/7

8:30 am-10:05 am

Nonstop1h 35m

San Diego

Fri 5/9

6:15 am-8:02 am

Nonstop1h 47m

$87

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 6/3

6:35 pm-10:45 pm

1 stop4h 10m

San Diego

Sat 6/7

6:35 am-8:15 am

Nonstop1h 40m

$97

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sun 5/25

9:15 am-3:41 pm

1 stop6h 26m

San Diego

Wed 5/28

10:00 am-4:03 pm

1 stop6h 03m

$159

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 5/8

8:58 am-1:30 pm

1 stop4h 32m

San Diego

Sun 5/11

5:02 pm-12:21 am

1 stop7h 19m

$176

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 5/27

6:00 am-7:39 am

Nonstop1h 39m

$29

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sun 5/25

9:37 am-11:17 am

Nonstop1h 40m

$30

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 16 results
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
CheapTicketsDealPrice 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 eDreams the most. eDreams 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.

The best insider tips for San Francisco to San Diego flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to San Diego trip
Airlines
Frontier

Frontier's UpFront Plus guarantees an empty middle seat, ideal for extra space.


Frontier charges for carry-ons; add during booking for lower fees, essential for budget planning.

Read more about Frontierby Marisa Garcia
Alaska Airlines

Alaska's Premium Class offers extra legroom and free cocktails, ideal for a short flight.


Saver Fare allows a carry-on, but no seat selection in advance, suitable for budget travelers.

Read more about Alaska Airlinesby Robert Schrader
United Airlines

United's Economy Plus offers extra legroom, perfect for added comfort on short flights.


Basic Economy restricts carry-ons, but Premier members are exempt, ideal for frequent flyers.

Read more about United Airlinesby Harriet Baskas
Southwest

Southwest offers two free checked bags, a great perk for budget-conscious travelers.


Southwest's open seating policy allows flexibility; check in early for better seat choices.

Read more about Southwestby Marisa Garcia
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier and Southwest

Marisa Garcia

Marisa Garcia

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

Robert Schrader

Robert Schrader

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
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

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

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 April 18, 2025.

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 30 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, August is the cheapest month in which you can book a flight from San Francisco to San Diego (average of $286). Flying from San Francisco to San Diego in March is currently the most expensive (average of $366). 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 April 25, 2025.

A simple way to save on the total cost of your ticket is to fly from San Francisco to San Diego in the afternoon. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight at noon.

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 March 30, 2025.

Travelers seeking maximum savings on their San Francisco to San Diego flight should consider departing on Saturday afternoons 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.

Weekly flight availability from San Francisco to San Diego

Explore weekly flight availability from San Francisco to San Diego. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 25, 2025.

The most flights from SFO to SAN are scheduled on a Friday (87 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (48 on average).

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 April 25, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from San Francisco to San Diego by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,927 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Alaska Airlines
8.0
Very good
9,927 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Southwest
8.0
Very good
4,289 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Hawaiian Airlines
7.9
Good
2,393 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

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 68 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 32m 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 205 times in the past calendar month.

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

    Flying on Frontier is currently your cheapest option to San Diego, with prices starting at $58. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and United Airlines, with the lowest prices starting at $67 and $72, respectively. These flights start at 60% 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?

    $29 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Frontier and Hawaiian Airlines, with prices starting from $30 and $35, 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: Copa Airlines (95%), Air China (94%), Emirates( 90%).

  • 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 $252, our data indicates the cheapest price to be $28. The most popular route (San Francisco - San Diego), is priced around $47.

  • 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, August is the cheapest month in which you can book a flight from San Francisco to San Diego (average of $286). Flying from San Francisco to San Diego in March is currently the most expensive (average of $366). 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 Francisco?

Book flights to San Francisco if you plan to visit one of these locations
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado

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Alternative routes for San Francisco to San Diego

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Top 8 airlines flying from San Francisco to San Diego

Discover the top 8 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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$28Average$135FlexibilityNo cancel feeOn-time85%
Spirit AirlinesCheapest$29Average$88FlexibilityNo cancel feeOn-time65%
FrontierCheapest$38Average$105FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$57Average$205FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$74Average$222FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$97Average$201FlexibilityNo cancel feeOn-time63%
DeltaCheapest$157Average$246FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$161Average$333FlexibilityNo cancel feeOn-time71%

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