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Cheap flights from San Francisco to San Diego from £28

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAN
22 Jan — 29 Jan1
1 adult

The best prices from San Francisco to San Diego are usually found in January or October, booked 73 days in advance, depart on a Monday or Tuesday and return on a Tuesday

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 17 January 2025.

Round-trip from

£47

One-way from

£28

Popular in

March

Cheapest in

January

Average price

£105
United Airlines
  • United Airlines
  • 2/2-5/2
  • Nonstop
  • 3h 24m total
  • San Francisco to San Diego
Alaska Airlines
  • Alaska Airlines
  • 21/4
  • Nonstop
  • 1h 36m total
  • San Francisco to San Diego
High demand for flights, 22% potential price rise
Best time to find cheap flights, 6% potential price drop
Average for round-trip flights in January 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 17 January 2025.

Sun 2/208:37SFO - SAN
Nonstop1h 39mUnited Airlines
Wed 5/206:15SAN - SFO
Nonstop1h 45mUnited Airlines
Deal found 17/1£47
Sat 1/207:40SFO - SAN
Nonstop1h 37mAlaska Airlines
Wed 5/219:55SAN - SFO
Nonstop1h 41mAlaska Airlines
Deal found 16/1£55
Fri 7/222:29SFO - SAN
1 stop20h 29mFrontier
Thu 20/220:18SAN - SFO
Nonstop1h 51mFrontier
Deal found 16/1£66
Fri 21/307:20SFO - SAN
Nonstop1h 25mSouthwest
Mon 24/314:45SAN - SFO
Nonstop1h 40mSouthwest
Deal found 16/1£108
Sat 15/218:50SFO - SAN
1 stop3h 20mDelta
Sun 16/206:15SAN - SFO
1 stop6h 22mDelta
Deal found 16/1£145

Find flights from San Francisco to San Diego within your budget

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 858,174 searches. Data last updated 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sun 2/2

08:37-10:16

Nonstop1h 39m

San Diego

Wed 5/2

06:15-08:00

Nonstop1h 45m

£47

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 1/2

07:40-09:17

Nonstop1h 37m

San Diego

Wed 5/2

19:55-21:36

Nonstop1h 41m

£55

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 7/2

22:29-18:58

1 stop20h 29m

San Diego

Thu 20/2

20:18-22:09

Nonstop1h 51m

£66

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 21/3

07:20-08:45

Nonstop1h 25m

San Diego

Mon 24/3

20:55-22:40

Nonstop1h 45m

£108

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 15/2

18:50-22:10

1 stop3h 20m

San Diego

Sun 16/2

06:15-12:37

1 stop6h 22m

£145

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Mon 21/4

07:35-09:11

Nonstop1h 36m

£28

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 25/1

22:35-00:14

Nonstop1h 39m

£36

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 21/2

06:25-07:55

Nonstop1h 30m

£40

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 25/2

00:16-09:29

1 stop9h 13m

£45

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sun 16/2

18:30-22:51

1 stop4h 21m

£73

Flights are sorted by cheapest return flights first.

Deals found on 17/1

Showing 1-10 of 11 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.

Travel insights for flights from San Francisco to San Diego

Get recent, data-driven insights about flights from San Francisco to San Diego including ideal travel times, pricing trends, and more.

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 10 January 2025.

Booking 73 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, January is the cheapest month in which you can book a flight from San Francisco to San Diego (average of £585). Flying from San Francisco to San Diego in July is currently the most expensive (average of £920). 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 17 January 2025.

It’s typically best to fly out from San Francisco to San Diego in the morning. Doing so could potentially save you 19% on the flight price compared to flying at midday, which is usually more expensive.

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 17 January 2025.

The most flights from SFO to SAN are scheduled on a Friday (76 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (35 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 17 January 2025.
To help decide which airline to fly from San Francisco to San Diego, see what other customers have to say about United Airlines, Alaska Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very Good
4,659 reviews

Crew

8.7

Overall

8.1

Food

7.2

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

8.1
Very Good
4,659 reviews
8.1
Very Good
4,659 reviews

Crew

8.7

Overall

8.1

Food

7.2

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

8.0
Very Good
9,683 reviews
8.1
Very Good
4,659 reviews

Crew

8.7

Overall

8.1

Food

7.2

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

8.0
Very Good
8,512 reviews
8.1
Very Good
4,659 reviews

Crew

8.7

Overall

8.1

Food

7.2

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

7.4
Good
8,965 reviews
8.1
Very Good
4,659 reviews

Crew

8.7

Overall

8.1

Food

7.2

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

6.1
Okay
3,438 reviews
8.1
Very Good
4,659 reviews

Crew

8.7

Overall

8.1

Food

7.2

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

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 36m on average. When it comes time to book airfare, you have a few options: there are 59 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?

    United Airlines, at £47, was found to be the cheapest airline from San Francisco to San Diego.Alternate airlines flying return to your destination include Alaska Airlines and Frontier. United Airlines is 66% 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 Francisco to San Diego one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as £28. Users have also found prices from £36 and £40 on United Airlines and Southwest, respectively.

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

    No one likes to see their flight delayed. When booking a flight from San Francisco to San Diego consider choosing Horizon Air (85%), Japan Airlines (79%) or Lufthansa (79%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay £73 for a flight from San Francisco to San Diego. The cheapest flight overall is £23 while the most popular route, (San Francisco - San Diego) is currently priced at £40.

  • 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, January is the cheapest month in which you can book a flight from San Francisco to San Diego (average of £585). Flying from San Francisco to San Diego in July is currently the most expensive (average of £920). 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?

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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 858,174 searches. Data last updated 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest£30Average£100FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Alaska AirlinesCheapest£44Average£172FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

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

Cheapflights makes it easy to find San Francisco to San Diego flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from San Francisco to San Diego for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Francisco to San Diego, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from San Francisco to San Diego on Cheapflights with our Price Alert feature and get notified when better prices are available.

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