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Cheap flights from San Diego to San Francisco from £22

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 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SFO
27 Mar — 3 Apr1
1 adult

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 Wednesday or Thursday and return on a Thursday

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 22 March 2025.

Round-trip from

£44

One-way from

£22

Popular in

August

Cheapest in

January

Average price

£100

Good one-way deal

£76 or less
Alaska Airlines
  • Alaska Airlines
  • 25/4-28/4
  • Nonstop
  • 3h 18m total
  • San Diego to San Francisco
Alaska Airlines
  • Alaska Airlines
  • 25/4
  • Nonstop
  • 1h 43m total
  • San Diego to San Francisco
Highest demand for flights based on searches. 3% potential increase in price (£3 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return price).
Average for round-trip flights in March 2025
Price to beat on a one-way flight from San Diego to San Francisco.

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 22 March 2025.

Fri 25/421:59SAN - SFO
Nonstop1h 43mAlaska Airlines
Mon 28/406:40SFO - SAN
Nonstop1h 35mAlaska Airlines
Deal found 22/3£44
Tue 1/417:19SAN - SFO
Nonstop1h 44mUnited Airlines
Tue 1/422:35SFO - SAN
Nonstop1h 43mUnited Airlines
Deal found 21/3£56
Thu 3/407:48SAN - SFO
Nonstop1h 45mHawaiian Airlines
Mon 7/421:20SFO - SAN
Nonstop1h 35mHawaiian Airlines
Deal found 21/3£75
Fri 18/420:35SAN - SFO
Nonstop1h 35mSouthwest
Mon 21/419:55SFO - SAN
1 stop11h 55mSouthwest
Deal found 21/3£94
Mon 19/508:22SAN - SFO
Nonstop1h 51mMultiple Airlines
Thu 22/507:24SFO - SAN
Nonstop1h 38mMultiple Airlines
Deal found 21/3£123
Fri 25/419:15SAN - SFO
1 stop4h 53mDelta
Mon 28/418:25SFO - SAN
1 stop4h 24mDelta
Deal found 22/3£137

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 22 March 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 25/4

21:59-23:42

Nonstop1h 43m

San Francisco

Mon 28/4

06:40-08:15

Nonstop1h 35m

£44

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Tue 1/4

17:19-19:03

Nonstop1h 44m

San Francisco

Tue 1/4

22:35-00:18

Nonstop1h 43m

£56

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 3/4

07:48-09:33

Nonstop1h 45m

San Francisco

Mon 7/4

21:20-22:55

Nonstop1h 35m

£75

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 18/4

20:35-22:10

Nonstop1h 35m

San Francisco

Mon 21/4

06:35-08:05

Nonstop1h 30m

£94

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Mon 19/5

08:22-10:13

Nonstop1h 51m

San Francisco

Thu 22/5

07:24-09:02

Nonstop1h 38m

£123

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 25/4

19:15-00:08

1 stop4h 53m

San Francisco

Mon 28/4

18:25-22:49

1 stop4h 24m

£137

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Mon 19/5

08:22-10:13

Nonstop1h 51m

San Francisco

Thu 22/5

06:35-19:40

1 stop13h 05m

£147

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 25/4

21:31-15:11

1 stop17h 40m

San Francisco

Mon 28/4

06:15-20:21

1 stop14h 06m

£407

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 25/4

21:59-23:42

Nonstop1h 43m

£22

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 3/4

10:23-12:06

Nonstop1h 43m

£30

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 15 results
1
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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 return 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 return flight from San Diego to San Francisco. Price data was last updated on 14 March 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, February is the cheapest month in which you can book a flight from San Diego to San Francisco (average of £538). Flying from San Diego to San Francisco in July is currently the most expensive (average of £803). 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 22 March 2025.

One of the essential ways to save on airfare from San Diego to San Francisco is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at midday could potentially save you up to 90% on airfare.

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 22 March 2025.

The most flights from SAN to SFO are scheduled on a Friday (85 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (38 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 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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 22 March 2025.
To help decide which airline to fly from San Diego to San Francisco, see what other customers have to say about Southwest, Alaska Airlines and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.1

Overall

8.1

Food

7.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Comfort

8.1

Overall

8.1

Food

7.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Comfort

8.1

Overall

8.1

Food

7.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
8.0
Very Good

Comfort

8.1

Overall

8.1

Food

7.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Comfort

8.1

Overall

8.1

Food

7.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Comfort

8.1

Overall

8.1

Food

7.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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?

    Booking a flight from San Diego (SAN) to San Francisco (SFO) is your only option if you wish to fly from San Diego to San Francisco. On a typical day, there are 69 flights from San Diego to San Francisco, all of which are around 1h 49m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from San Diego to San Francisco.

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

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

    Flying on Alaska Airlines is currently your cheapest option to San Francisco, with prices starting at £44. Additional return tickets that might be worth considering are offered by United Airlines and Hawaiian Airlines, with the lowest prices starting at £56 and £75, respectively. Alaska Airlines is priced at 56% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as £22. Users have also found prices from £30 and £38 on Hawaiian Airlines and Southwest, respectively.

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

    Before booking your flight to San Francisco from San Diego, check out the most reliable airlines to get you to your destination on time: Air Canada (86%), Virgin Australia (86%), Qantas Airways( 85%).

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

    On average you can expect to pay £126 for a flight from San Diego to San Francisco. The cheapest flight overall is £37 while the most popular route, (San Diego - San Francisco) is currently priced at £1,060.

  • 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 holiday 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, February is the cheapest month in which you can book a flight from San Diego to San Francisco (average of £538). Flying from San Diego to San Francisco in July is currently the most expensive (average of £803). 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

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Santa Cruz
San Mateo
Los Banos
Vallejo
South San Francisco
Pacific Grove
Union City

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from San Diego to San Francisco

Discover the top airline 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 858,174 searches. Data last updated 22 March 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest£29Average£45FlexibilityNo cancel feeOn-time62%
Search Frontier flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Diego to San Francisco?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Diego to San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from San Diego to San Francisco?

Cheapflights helps you find that perfect flight to San Francisco from San Diego by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from San Diego to San Francisco with no change fees?

Yes, we can. To see specific flights from San Diego to San Francisco with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from San Diego to San Francisco become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Francisco from San Diego today and book when prices fit your budget.

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