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Cheap flights from San Francisco to San Diego from $78

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 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAN
30 Mar — 6 Apr1
1 adult

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 Tuesday or Monday and return on a Thursday

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 25 March 2025.

Round-trip from

$91

One-way from

$78

Popular in

July

Cheapest in

January

Average price

$250
Alaska Airlines
  • Alaska Airlines
  • 20/4-22/4
  • Nonstop
  • 3h 24m total
  • San Francisco to San Diego
Southwest
  • Southwest
  • 23/4
  • Nonstop
  • 1h 30m total
  • San Francisco to San Diego
Highest demand for flights based on searches. 13% potential increase in price ($57 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average return price).
Average for round-trip flights in March 2025

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 25 March 2025.

Sun 20/406:00SFO - SAN
Nonstop1h 39mHawaiian Airlines
Tue 22/419:45SAN - SFO
Nonstop1h 45mHawaiian Airlines
Deal found 25/3$91
Mon 12/506:40SFO - SAN
Nonstop1h 35mAlaska Airlines
Thu 29/522:15SAN - SFO
Nonstop1h 38mAlaska Airlines
Deal found 25/3$107
Tue 1/419:00SFO - SAN
Nonstop1h 40mUnited Airlines
Thu 3/417:19SAN - SFO
Nonstop1h 44mUnited Airlines
Deal found 25/3$122
Wed 23/406:35SFO - SAN
Nonstop1h 30mSouthwest
Wed 30/407:55SAN - SFO
Nonstop1h 35mSouthwest
Deal found 25/3$154
Fri 11/419:16SFO - SAN
1 stop4h 27mDelta
Fri 18/418:15SAN - SFO
1 stop4h 23mDelta
Deal found 25/3$282

Cheapflights Fare Finder

Customise 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 647,157 searches. Data last updated 25 March 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

Sun 20/4

06:00-07:39

Nonstop1h 39m

San Diego

Tue 22/4

19:45-21:30

Nonstop1h 45m

$91

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Mon 12/5

06:40-08:15

Nonstop1h 35m

San Diego

Wed 28/5

22:15-23:53

Nonstop1h 38m

$107

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 16/5

22:40-00:23

Nonstop1h 43m

San Diego

Mon 19/5

06:15-07:57

Nonstop1h 42m

$129

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 23/4

06:35-08:05

Nonstop1h 30m

San Diego

Wed 30/4

07:55-09:30

Nonstop1h 35m

$154

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 11/4

13:35-16:57

1 stop3h 22m

San Diego

Tue 15/4

17:17-00:08

1 stop6h 51m

$282

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 23/4

06:35-08:05

Nonstop1h 30m

$78

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 2/5

22:40-00:23

Nonstop1h 43m

$87

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Mon 31/3

19:59-21:38

Nonstop1h 39m

$126

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 10/4

06:10-10:11

1 stop4h 01m

$142

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 4/4

06:00-07:39

Nonstop1h 39m

$165

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 12 results
1
2

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 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 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 return flight from San Francisco to San Diego. Price data was last updated on 21 March 2025.

Booking 30 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, March is the cheapest month in which you can book a flight from San Francisco to San Diego (average of $924). Flying from San Francisco to San Diego in December is currently the most expensive (average of $1,627). 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 25 March 2025.

It’s optimal to fly from San Francisco to San Diego at midday. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the morning.

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 25 March 2025.

The most flights from SFO to SAN are scheduled on a Monday (75 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 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 - 58.0 inches per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

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 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

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 25 March 2025.
To help decide which airline to fly from San Francisco to San Diego, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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
8.0
Very Good

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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?

    To fly from San Francisco to San Diego, you need to book a flight from San Francisco (SFO) to San Diego (SAN). Nonstop flights to San Diego from San Francisco take 1h 42m on average. When it comes time to book airfare, you have a few options: there are 55 outbound flights from San Francisco to San Diego offered by 2 different airlines.

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

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

    Flying on Hawaiian Airlines is currently your cheapest option to San Diego, with prices starting at $91. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and United Airlines, with the lowest prices starting at $107 and $129, respectively. Users have found that Hawaiian Airlines is 62% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $78. However, be on the lookout for offers from United Airlines and Alaska Airlines, as they are both options that can get you from San Francisco to San Diego for a low price.

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

    Before booking your flight to San Diego from San Francisco, have a look at the most reliable airlines to get you to your destination on time: Air China (94%), Japan Airlines (93%), Lufthansa( 92%).

  • 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 holiday 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, March is the cheapest month in which you can book a flight from San Francisco to San Diego (average of $924). Flying from San Francisco to San Diego in December is currently the most expensive (average of $1,627). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from San Francisco to San Diego

Discover the top 2 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 647,157 searches. Data last updated 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$61Average$155FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Alaska AirlinesCheapest$125Average$244FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines 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 Francisco to San Diego?

Deals for San Francisco to San Diego flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from San Francisco to San Diego by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco to San Diego flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on San Francisco to San Diego flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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