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Cheap flights from San Francisco to San Diego from $55

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 Tuesday or Monday and return on a Monday

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

$92

One-way from

$55

Popular in

March

Cheapest in

January

Average price

$206
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, 5% 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$92
Sat 1/207:40SFO - SAN
Nonstop1h 37mAlaska Airlines
Tue 4/219:55SAN - SFO
Nonstop1h 41mAlaska Airlines
Deal found 17/1$108
Mon 3/210:54SFO - SAN
1 stop8h 04mFrontier
Mon 10/215:06SAN - SFO
Nonstop1h 51mFrontier
Deal found 16/1$119
Fri 21/307:20SFO - SAN
Nonstop1h 25mSouthwest
Mon 24/314:45SAN - SFO
Nonstop1h 40mSouthwest
Deal found 16/1$212
Sat 15/218:50SFO - SAN
1 stop3h 20mDelta
Sun 16/206:15SAN - SFO
1 stop6h 22mDelta
Deal found 16/1$285

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 647,157 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

$92

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 1/2

07:40-09:17

Nonstop1h 37m

San Diego

Tue 4/2

19:55-21:36

Nonstop1h 41m

$108

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Mon 3/2

10:54-18:58

1 stop8h 04m

San Diego

Mon 10/2

15:06-16:57

Nonstop1h 51m

$119

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Mon 27/1

18:25-19:55

Nonstop1h 30m

San Diego

Wed 29/1

11:15-13:00

Nonstop1h 45m

$204

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 15/2

18:50-22:10

1 stop3h 20m

San Diego

Tue 18/2

19:12-00:14

1 stop5h 02m

$285

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Mon 21/4

07:35-09:11

Nonstop1h 36m

$55

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 21/2

06:25-07:55

Nonstop1h 30m

$79

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 5/4

22:47-00:30

Nonstop1h 43m

$84

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sun 16/2

18:30-22:51

1 stop4h 21m

$143

Flights are sorted by cheapest return flights first.

Deals found on 17/1

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, 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 17 January 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 17 January 2025.

The most flights from SFO to SAN are scheduled on a Thursday (75 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 Southwest. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very Good
4,659 reviews

Entertainment

7.7

Overall

8.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.2

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

Entertainment

7.7

Overall

8.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

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

8.0
Very Good
9,684 reviews
8.1
Very Good
4,659 reviews

Entertainment

7.7

Overall

8.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

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

8.0
Very Good
8,513 reviews
8.1
Very Good
4,659 reviews

Entertainment

7.7

Overall

8.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

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

7.4
Good
8,969 reviews
8.1
Very Good
4,659 reviews

Entertainment

7.7

Overall

8.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.2

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

Entertainment

7.7

Overall

8.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.2

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 53 outbound flights from San Francisco to San Diego offered by 1 airline.

  • 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 United Airlines is currently your cheapest option to San Diego, with prices starting at $92. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and Frontier, with the lowest prices starting at $108 and $119, respectively. Users have found that United Airlines is 66% 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 Alaska Airlines, with whom users have recently found tickets for as low as $55. However, be on the lookout for offers from Southwest and United 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: Horizon Air (85%), Japan Airlines (79%), Lufthansa( 79%).

  • 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

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Top airline flying from San Francisco to San Diego

Discover the top airline 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 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$111Average$156FlexibilityNo 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 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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