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$34+ Cheap flights from San Diego to San Francisco (SAN - SFO)

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.
SAN — SFO
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to San Francisco are usually found in January or February, booked 37 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from San Diego to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to San Francisco (SFO). 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 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$52
(United Airlines)

One-way from

$34
(CheapOair)

Popular in

August

Cheapest in

January

Average price

$127

Good round-trip deal

$131 or less

Good one-way deal

$63 or less
Provider with most accurate pricing for San Diego-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-San Francisco flights.
Search Deals
From San Diego to San Francisco
Search Deals
One-way flight from San Diego to San Francisco
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% 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 Diego to San Francisco.
Search Deals
Price to beat on a one-way flight from San Diego to San Francisco.
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Find flight deals from San Diego to San Francisco

Cheapest flights from San Diego to San Francisco
Explore the most affordable flight options available from San Diego to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.

This United Airlines deal was found by Cheapflights users on 4/10. 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.
Sat 5/175:58 pmSAN - SFO
Nonstop1h 45mUnited Airlines
Sat 5/1710:40 pmSFO - SAN
Nonstop1h 43mUnited Airlines
Deal found 4/10$52
This Trip.com deal was found by Cheapflights users on 4/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/72:55 pmSAN - SFO
Nonstop1h 40mMultiple Airlines
Sat 5/104:54 pmSFO - SAN
Nonstop1h 44mMultiple Airlines
Deal found 4/10$54
This Cheapflightsfares deal was found by Cheapflights users on 4/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/248:14 amSAN - SFO
Nonstop1h 51mFrontier
Sun 4/274:44 pmSFO - SAN
Nonstop1h 44mFrontier
Deal found 4/10$56
This Hawaiian Airlines deal was found by Cheapflights users on 4/11. 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.
Sat 5/176:15 amSAN - SFO
Nonstop1h 44mHawaiian Airlines
Sun 5/186:00 amSFO - SAN
Nonstop1h 39mHawaiian Airlines
Deal found 4/11$57
This Southwest deal was found by Cheapflights users on 4/9. 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 4/167:55 amSAN - SFO
Nonstop1h 35mSouthwest
Sun 4/206:30 amSFO - SAN
Nonstop1h 30mSouthwest
Deal found 4/9$81
This Alaska Airlines deal was found by Cheapflights users on 4/10. 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.
Fri 5/167:57 pmSAN - SFO
Nonstop1h 41mAlaska Airlines
Sun 5/186:00 amSFO - SAN
Nonstop1h 39mAlaska Airlines
Deal found 4/10$87
This American Airlines deal was found by Cheapflights users on 4/11. 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.
Fri 4/184:30 pmSAN - SFO
1 stop6h 09mAmerican Airlines
Tue 4/2212:06 pmSFO - SAN
1 stop6h 22mAmerican Airlines
Deal found 4/11$159
This Delta deal was found by Cheapflights users on 4/10. 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 5/237:18 pmSAN - SFO
1 stop5h 03mDelta
Mon 5/266:05 amSFO - SAN
1 stop3h 16mDelta
Deal found 4/10$177

Cheapflights Fare Finder

Customize your flight search to find flights from San Diego to San Francisco 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 11, 2025.
Use the filters below to find and compare flights from San Diego to San Francisco that are best for you.

Fly from

San Diego

Fly to

San Francisco

Route

Depart

Return

Price

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 5/17

5:58 pm-7:43 pm

Nonstop1h 45m

San Francisco

Sat 5/17

10:40 pm-12:23 am

Nonstop1h 43m

$52

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Wed 5/7

2:55 pm-4:35 pm

Nonstop1h 40m

San Francisco

Sat 5/10

4:54 pm-6:38 pm

Nonstop1h 44m

$54

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 4/24

8:14 am-10:05 am

Nonstop1h 51m

San Francisco

Sun 4/27

4:44 pm-6:28 pm

Nonstop1h 44m

$56

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 5/17

6:15 am-7:59 am

Nonstop1h 44m

San Francisco

Sun 5/18

6:00 am-7:39 am

Nonstop1h 39m

$57

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Wed 4/16

7:55 am-9:30 am

Nonstop1h 35m

San Francisco

Sun 4/20

6:30 am-8:00 am

Nonstop1h 30m

$81

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Wed 4/23

7:45 pm-9:30 pm

Nonstop1h 45m

San Francisco

Thu 4/24

6:40 am-8:15 am

Nonstop1h 35m

$97

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 4/18

4:30 pm-10:39 pm

1 stop6h 09m

San Francisco

Tue 4/22

12:06 pm-6:28 pm

1 stop6h 22m

$159

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 5/23

7:18 pm-12:21 am

1 stop5h 03m

San Francisco

Mon 5/26

6:05 am-9:21 am

1 stop3h 16m

$177

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 4/19

8:14 pm-10:09 pm

Nonstop1h 55m

$34

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Wed 4/23

8:00 am-9:47 am

Nonstop1h 47m

$39

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Showing 1-10 of 16 results
1
2

Compare providers for flights from San Diego to San Francisco

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 Diego to San Francisco in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust 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 Diego-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-San Francisco 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 Diego-San Francisco 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 Diego to San Francisco 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 Diego to San Francisco trip
Airlines
Frontier

Frontier's UpFront Plus seats guarantee an empty middle seat for more comfort.


Early check-in on Frontier helps secure your place due to frequent overbooking.

Read more about Frontierby Marisa Garcia
United Airlines

United's Economy Plus offers extra legroom, ideal for a comfortable short flight.


United's MileagePlus allows pooling miles, useful for family travel.

Read more about United Airlinesby Harriet Baskas
Alaska Airlines

Alaska's Premium Class offers extra legroom and free cocktails, enhancing short domestic flights.


Alaska's Wi-Fi is a flat fee, ideal for business travelers needing connectivity during flights.

Read more about Alaska Airlinesby Robert Schrader
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier

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
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
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

Best time to book a flight from San Diego to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from San Diego 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 Diego to San Francisco

How far ahead should I book a flight from San Diego to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to San Francisco. Price data was last updated on April 4, 2025.

To ensure you get the cheapest price possible for a flight from San Diego to San Francisco, you should look to book at least 37 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from San Diego to San Francisco (average of $276). Flying from San Diego to San Francisco in June is currently the most expensive (average of $393). 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 SAN to SFO?

Find hourly flight availability from San Diego to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 11, 2025.

It’s typically best to fly out from San Diego to San Francisco at noon. Doing so could potentially save you 81% on the flight price compared to flying in the evening, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from San Diego to San Francisco. Price data was last updated on March 30, 2025.

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

Weekly flight availability from San Diego to San Francisco

Explore weekly flight availability from San Diego to San Francisco. 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 11, 2025.

The most flights from SAN to SFO are scheduled on a Thursday (85 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (45 on average).

Rainfall in San Francisco by month

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

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

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

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 Francisco. Reviews last updated April 11, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from San Diego to San Francisco 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
9,851 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Phally,Oct 2024

IAD - SFO

Service was good. We pre-ordered a snack but never made it to us.
Alaska Airlines
8.0
Very good
9,851 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Phally,Oct 2024

IAD - SFO

Service was good. We pre-ordered a snack but never made it to us.
Southwest
8.0
Very good
4,279 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Phally,Oct 2024

IAD - SFO

Service was good. We pre-ordered a snack but never made it to us.
Delta
8.0
Very good
7,910 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Phally,Oct 2024

IAD - SFO

Service was good. We pre-ordered a snack but never made it to us.
Hawaiian Airlines
7.9
Good
2,366 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Phally,Oct 2024

IAD - SFO

Service was good. We pre-ordered a snack but never made it to us.
United Airlines
7.4
Good
8,636 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Phally,Oct 2024

IAD - SFO

Service was good. We pre-ordered a snack but never made it to us.

Related info for your journey

Find useful and relevant information for your journey from San Diego to San Francisco. 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 Diego to San Francisco?

    If you wish to fly to San Francisco from San Diego, then you need to book flights from San Diego to San Francisco. There are 67 flights from San Diego (SAN) to San Francisco (SFO) per day to choose from. Flights to San Francisco from San Diego are available from 10 different airlines, which means you should have some options if you want to compare airfare deals. 1h 37m is how long a nonstop flight from San Diego to San Francisco typically takes.

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

    The San Diego to San Francisco flight path was viewed by 228 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    According to our current data, United Airlines ($52), Frontier ($56), and Hawaiian Airlines ($57) offers the cheapest pricing from San Diego to San Francisco. United Airlines is 59% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $34 on Frontier. Other airlines that offer cheap prices include Alaska Airlines from $39 and Southwest from $49 one-way.

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

    Consider ANA (80%), Copa Airlines (79%) or SWISS (78%) when booking your flight. These represent the most reliable airlines when flying from San Diego to San Francisco.

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

    Looking for the cheapest flight from San Diego to San Francisco? While on average our users pay $666, our data indicates the cheapest price to be $31. The most popular route (San Diego - San Francisco), is priced around $49.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to San Francisco.

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

    Yes. Cheapflights offers flight deals from San Diego to San Francisco 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 Diego to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from San Diego to San Francisco (average of $276). Flying from San Diego to San Francisco in June is currently the most expensive (average of $393). 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
Roseville
Mountain View
Santa Cruz
Turlock
South San Francisco
Fairfield
Manteca
Sausalito
Richmond
Watsonville
Hollister
Milpitas
Antioch
Hayward
Vallejo
Newark
Alameda
Sunnyvale
Campbell
Daly City

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Diego to San Francisco

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Top 9 airlines flying from San Diego to San Francisco

Discover the top 9 airlines that operate flights from San Diego to San Francisco. 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 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$27Average$91FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$28Average$97FlexibilityNo cancel feeOn-time85%
FrontierCheapest$37Average$92FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$57Average$192FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$79Average$199FlexibilityNo cancel feeOn-time75%
DeltaCheapest$88Average$286FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$97Average$178FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$176Average$388FlexibilityNo cancel feeOn-time71%
CitizenPlaneCheapest$180Average$196FlexibilityNo cancel feeOn-timeN/A

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