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$46+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SFO
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
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 51 days in advance, depart on a Friday or Thursday and return on a Tuesday

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 July 28, 2025.

Round-trip from

$66
(Cheapflightsfares)

One-way from

$46
(Netflights)

Popular in

November

Cheapest in

January

Average price

$137

Good round-trip deal

$128 or less

Good one-way deal

$71 or less
From San Diego to San Francisco
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One-way flight from San Diego to San Francisco
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Highest demand for flights based on searches. 8% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from San Diego to San Francisco.
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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 July 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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.
Fri 8/155:53 pmSAN - SFO
Nonstop1h 46mFrontier
Mon 8/1810:37 amSFO - SAN
Nonstop1h 40mFrontier
Deal found 7/27$66
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:59 pmSAN - SFO
Nonstop1h 44mHawaiian Airlines
Wed 9/176:00 amSFO - SAN
Nonstop1h 41mHawaiian Airlines
Deal found 7/26$74
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2910:15 amSAN - SFO
Nonstop1h 52mMultiple Airlines
Sun 8/316:00 amSFO - SAN
Nonstop1h 41mMultiple Airlines
Deal found 7/26$77
This Southwest deal was found by Cheapflights users on 7/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/191:05 pmSAN - SFO
Nonstop1h 35mSouthwest
Tue 8/194:45 pmSFO - SAN
1 stop4h 10mSouthwest
Deal found 7/25$87
This United Airlines deal was found by Cheapflights users on 7/26. 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 8/305:56 pmSAN - SFO
Nonstop1h 39mUnited Airlines
Sat 8/3010:37 pmSFO - SAN
Nonstop1h 38mUnited Airlines
Deal found 7/26$92

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 July 28, 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

Fri 8/15

5:53 pm-7:39 pm

Nonstop1h 46m

San Francisco

Mon 8/18

10:37 am-12:17 pm

Nonstop1h 40m

$66

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Wed 9/10

7:59 pm-9:43 pm

Nonstop1h 44m

San Francisco

Wed 9/17

6:00 am-7:41 am

Nonstop1h 41m

$74

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 8/29

10:15 am-12:07 pm

Nonstop1h 52m

San Francisco

Sun 8/31

6:00 am-7:41 am

Nonstop1h 41m

$77

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Tue 8/19

1:05 pm-2:40 pm

Nonstop1h 35m

San Francisco

Tue 8/19

4:45 pm-8:55 pm

1 stop4h 10m

$87

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 8/30

5:56 pm-7:35 pm

Nonstop1h 39m

San Francisco

Sat 8/30

10:37 pm-12:15 am

Nonstop1h 38m

$92

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Wed 12/10

9:59 pm-11:33 pm

Nonstop1h 34m

$46

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sun 10/26

9:58 am-11:50 am

Nonstop1h 52m

$47

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 9/6

3:35 pm-8:25 pm

1 stop4h 50m

$58

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sun 8/24

6:15 am-7:56 am

Nonstop1h 41m

$59

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 12/13

9:59 pm-11:33 pm

Nonstop1h 34m

$63

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 13 results
1
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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
Airports
SAN

Plan for traffic congestion when heading to SAN, especially during peak times. Arrive at least two hours before your flight.

Read more about SANby Blane Bachelor
SFO

Use BART for an affordable trip from SFO to downtown San Francisco. The journey takes about 40 minutes.

Read more about SFOby Harriet Baskas
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 and SFO

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
Blane Bachelor

Blane Bachelor

Expert on SAN

Blane Bachelor

Blane Bachelor

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

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 July 25, 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 51 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 $358). 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 July 28, 2025.

It’s typically best to fly out from San Diego to San Francisco at noon. Doing so could potentially save you 69% 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 July 27, 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 July 28, 2025.

The most flights from SAN to SFO are scheduled on a Sunday (84 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (58 on average).

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 July 28, 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. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,237 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,971 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,604 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,893 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 72 flights from San Diego (SAN) to San Francisco (SFO) per day to choose from. Flights to San Francisco from San Diego are available from 8 different airlines, which means you should have some options if you want to compare airfare deals. 1h 38m 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 236 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, Frontier ($66), Hawaiian Airlines ($74), and Southwest ($87) offers the cheapest pricing from San Diego to San Francisco. Frontier is 47% 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 $46 on Hawaiian Airlines. Other airlines that offer cheap prices include Frontier from $47 and Southwest from $58 one-way.

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

    Consider Lufthansa (90%), Emirates (89%) or Iberia (86%) 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 $1,772, our data indicates the cheapest price to be $42. The most popular route (San Diego - San Francisco), is priced around $50.

  • 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 $358). 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
Roseville
Mountain View
Santa Cruz
South San Francisco
Livermore
Turlock
Manteca
Antioch
Hollister
Watsonville
Newark
Milpitas
Sunnyvale
Campbell
Lathrop
Foster City
Capitola
Santa Clara
San Leandro
Burlingame

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Top 8 airlines flying from San Diego to San Francisco

Discover the top 8 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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$27Average$77FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$28Average$116FlexibilityNo cancel feeOn-time85%
FrontierCheapest$36Average$86FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$57Average$169FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$69Average$186FlexibilityNo cancel feeOn-time75%
DeltaCheapest$88Average$196FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$94Average$173FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$158Average$326FlexibilityNo cancel feeOn-time71%

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