Cheap flights from San Diego to San Francisco from £29

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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SFO
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from San Diego to San Francisco are usually found in January or February, booked 87 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

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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 17 October 2025.

Wed 12/1120:08SAN - SFO
Nonstop1h 53mAlaska Airlines
Sun 16/1107:00SFO - SAN
Nonstop1h 40mAlaska Airlines
Deal found 17/10£57
Thu 6/1117:45SAN - SFO
1 stop5h 10mSouthwest
Mon 10/1111:45SFO - SAN
Nonstop1h 35mSouthwest
Deal found 15/10£65
Fri 7/1120:25SAN - SFO
Nonstop1h 53mAlaska Airlines
Sun 9/1107:00SFO - SAN
Nonstop1h 40mAlaska Airlines
Deal found 16/10£66
Wed 12/1107:00SAN - SFO
Nonstop1h 45mSouthwest
Wed 19/1108:20SFO - SAN
2 stops8h 35mSouthwest
Deal found 16/10£68
Sun 2/1105:15SAN - SFO
Nonstop1h 47mUnited Airlines
Sun 9/1106:30SFO - SAN
Nonstop1h 36mUnited Airlines
Deal found 15/10£72
Fri 14/1108:50SAN - SFO
Nonstop1h 45mSouthwest
Sun 16/1105:15SFO - SAN
1 stop6h 00mSouthwest
Deal found 14/10£74
Fri 7/1120:25SAN - SFO
Nonstop1h 53mAlaska Airlines
Tue 11/1111:41SFO - SAN
Nonstop1h 42mAlaska Airlines
Deal found 15/10£75
Wed 3/1206:15SAN - SFO
Nonstop1h 51mAlaska Airlines
Sat 6/1208:09SFO - SAN
Nonstop1h 37mAlaska Airlines
Deal found 17/10£80
Thu 13/1119:20SAN - SFO
1 stop4h 15mSouthwest
Sun 16/1105:15SFO - SAN
1 stop6h 00mSouthwest
Deal found 16/10£81
Fri 31/1019:50SAN - SFO
Nonstop1h 41mUnited Airlines
Fri 31/1022:35SFO - SAN
Nonstop1h 38mUnited Airlines
Deal found 16/10£83
Sat 15/1120:02SAN - SFO
Nonstop1h 53mAlaska Airlines
Mon 17/1116:16SFO - SAN
1 stop18h 07mAlaska Airlines
Deal found 14/10£84

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 17 October 2025.

Round-trip from

£57

One-way from

£29

Popular in

September

Cheapest in

January

Average price

£100

Good one-way deal

£133 or less
Southwest
  • Southwest
  • 12/11-14/11
  • Nonstop
  • 3h 20m total
  • San Diego to San Francisco
Southwest
  • Southwest
  • 17/12
  • Nonstop
  • 1h 40m total
  • San Diego to San Francisco
Highest demand for flights based on searches. 12% potential increase in price (£10 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 October 2025
Price to beat on a one-way flight from San Diego to San Francisco.

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 17 October 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 7/11

17:40-19:20

Nonstop1h 40m

San Francisco

Sun 9/11

05:50-07:20

Nonstop1h 30m

£57

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 6/11

17:45-22:55

1 stop5h 10m

San Francisco

Mon 10/11

09:15-11:00

Nonstop1h 45m

£65

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 6/11

17:45-22:55

1 stop5h 10m

San Francisco

Sun 9/11

05:50-07:20

Nonstop1h 30m

£65

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 14/11

07:00-08:45

Nonstop1h 45m

San Francisco

Mon 17/11

05:10-10:15

1 stop5h 05m

£65

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 8/11

17:30-19:12

Nonstop1h 42m

San Francisco

Tue 11/11

07:00-08:40

Nonstop1h 40m

£66

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Wed 25/2

12:30-14:05

Nonstop1h 35m

San Francisco

Wed 25/2

16:30-18:04

Nonstop1h 34m

£68

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Wed 7/1

11:10-18:05

2 stops6h 55m

San Francisco

Thu 8/1

15:15-16:45

Nonstop1h 30m

£68

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sun 2/11

05:15-07:02

Nonstop1h 47m

San Francisco

Sun 9/11

06:30-08:06

Nonstop1h 36m

£72

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 19/2

12:30-14:05

Nonstop1h 35m

San Francisco

Mon 23/2

07:00-08:34

Nonstop1h 34m

£80

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 28/2

18:30-20:04

Nonstop1h 34m

San Francisco

Tue 3/3

07:00-08:34

Nonstop1h 34m

£87

Flights are sorted by cheapest return flights first.

Deals found on 14/10

Showing 1-10 of 22 results
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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 10 October 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 87 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 £14). Flying from San Diego to San Francisco in September is currently the most expensive (average of £39). 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 17 October 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 morning tend to be the most expensive. A flight in the evening could potentially save you up to 76% on airfare.

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

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

    For as low as £57, Alaska Airlines can have you in San Francisco from San Diego in 1h 47m. The distance between San Diego and San Francisco is about 446 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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: Iberia (100%), Qantas Airways (92%), Lufthansa( 84%).

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

    On average you can expect to pay £323 for a flight from San Diego to San Francisco. The cheapest flight overall is £22 while the most popular route, (San Diego - San Francisco) is currently priced at £200.

  • 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, January is the cheapest month in which you can book a flight from San Diego to San Francisco (average of £14). Flying from San Diego to San Francisco in September is currently the most expensive (average of £39). 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 Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Newark
South San Francisco
Bodega Bay
Pacific Grove

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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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