Cheap flights from San Francisco to San Diego from C$ 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 18/11. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAN
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from San Francisco to San Diego are usually found in January or February, booked 72 days in advance, depart on a Monday or Tuesday and return on a Friday

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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 27 October 2025.

Thu 4/123:05 p.m.SFO - SAN
Nonstop1h 30mSouthwest
Sun 7/127:00 a.m.SAN - SFO
Nonstop1h 45mSouthwest
Deal found 27/10C$ 108
Fri 5/126:30 a.m.SFO - SAN
Nonstop1h 36mUnited Airlines
Sun 7/127:45 a.m.SAN - SFO
Nonstop1h 47mUnited Airlines
Deal found 26/10C$ 133
Thu 13/119:15 a.m.SFO - SAN
Nonstop1h 45mSouthwest
Mon 17/118:10 a.m.SAN - SFO
Nonstop1h 45mSouthwest
Deal found 26/10C$ 136
Sat 15/115:15 a.m.SFO - SAN
1 stop6h 45mSouthwest
Sun 16/117:00 a.m.SAN - SFO
Nonstop1h 45mSouthwest
Deal found 25/10C$ 139
Sat 15/1110:10 a.m.SFO - SAN
2 stops7h 40mSouthwest
Tue 18/1110:30 a.m.SAN - SFO
Nonstop1h 40mSouthwest
Deal found 25/10C$ 146
Sat 6/1212:50 p.m.SFO - SAN
1 stop4h 35mSouthwest
Sun 7/127:00 a.m.SAN - SFO
Nonstop1h 45mSouthwest
Deal found 26/10C$ 150
Wed 12/1111:41 a.m.SFO - SAN
Nonstop1h 42mAlaska Airlines
Wed 12/114:30 p.m.SAN - SFO
Nonstop1h 44mAlaska Airlines
Deal found 27/10C$ 155
Sat 6/1212:40 p.m.SFO - SAN
2 stops6h 30mSouthwest
Tue 9/127:00 a.m.SAN - SFO
Nonstop1h 45mSouthwest
Deal found 27/10C$ 157
Wed 19/115:25 a.m.SFO - SAN
1 stop5h 20mSouthwest
Wed 19/114:00 p.m.SAN - SFO
1 stop5h 15mSouthwest
Deal found 27/10C$ 168
Sat 15/1110:10 a.m.SFO - SAN
2 stops7h 40mSouthwest
Mon 17/118:10 a.m.SAN - SFO
Nonstop1h 45mSouthwest
Deal found 26/10C$ 171

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 27 October 2025.

Round-trip from

C$ 108

One-way from

C$ 55

Popular in

September

Cheapest in

January

Average price

C$ 234

Good one-way deal

C$ 96 or less
Alaska Airlines
  • Alaska Airlines
  • 4/12-6/12
  • Nonstop
  • 3h 30m total
  • San Francisco to San Diego
Alaska Airlines
  • Alaska Airlines
  • 18/11
  • Nonstop
  • 1h 40m total
  • San Francisco to San Diego
Highest demand for flights based on searches. 12% potential increase in price (C$ 42 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 7 potential savings vs. average RT price).
Average for round-trip flights in October 2025
Price to beat on a one-way flight from San Francisco to San Diego.

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 27 October 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

Wed 19/11

7:00 a.m.-8:40 a.m.

Nonstop1h 40m

San Diego

Wed 3/12

6:15 a.m.-8:06 a.m.

Nonstop1h 51m

C$ 108

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 14/11

6:30 a.m.-8:06 a.m.

Nonstop1h 36m

San Diego

Sun 16/11

6:15 a.m.-8:02 a.m.

Nonstop1h 47m

C$ 136

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 13/12

5:00 a.m.-8:55 a.m.

1 stop3h 55m

San Diego

Wed 17/12

7:40 p.m.-9:20 p.m.

Nonstop1h 40m

C$ 150

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 6/12

12:40 p.m.-7:10 p.m.

2 stops6h 30m

San Diego

Mon 8/12

7:00 a.m.-8:45 a.m.

Nonstop1h 45m

C$ 157

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Mon 10/11

8:14 a.m.-9:55 a.m.

Nonstop1h 41m

San Diego

Wed 12/11

2:03 p.m.-3:47 p.m.

Nonstop1h 44m

C$ 164

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 18/11

11:41 a.m.-1:23 p.m.

Nonstop1h 42m

San Diego

Thu 20/11

9:59 p.m.-11:46 p.m.

Nonstop1h 47m

C$ 164

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 20/11

7:00 a.m.-8:40 a.m.

Nonstop1h 40m

San Diego

Wed 3/12

6:15 a.m.-8:06 a.m.

Nonstop1h 51m

C$ 164

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 15/11

10:10 a.m.-5:50 p.m.

2 stops7h 40m

San Diego

Sun 16/11

7:00 a.m.-8:45 a.m.

Nonstop1h 45m

C$ 171

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 26/11

6:30 a.m.-8:06 a.m.

Nonstop1h 36m

San Diego

Wed 3/12

1:05 p.m.-2:52 p.m.

Nonstop1h 47m

C$ 178

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 6/12

6:13 p.m.-7:52 p.m.

Nonstop1h 39m

San Diego

Sun 7/12

6:15 a.m.-8:06 a.m.

Nonstop1h 51m

C$ 178

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

Showing 1-10 of 22 results
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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 round-trip 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 round-trip flight from San Francisco to San Diego. Price data was last updated on 24 October 2025.

To ensure you get the cheapest price possible for a flight from San Francisco to San Diego, you should look to book at least 72 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 Francisco to San Diego?

Currently, February is the cheapest month in which you can book a flight from San Francisco to San Diego (average of C$ 38). Flying from San Francisco to San Diego in September is currently the most expensive (average of C$ 90). 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 27 October 2025.

When flying from San Francisco to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 62% versus a flight at noon.

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 27 October 2025.
Get a feel of what it's like to fly with Hawaiian Airlines and Frontier from San Francisco to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Food

7.0

Comfort

7.7

Boarding

8.0

Overall

7.8

Crew

8.5

Reviews

1 / 20
6.0
Good

Thomas,Oct 2024

HNL - LAX

Seat Assignment Process which randomly assigns seats the day of the flight

Entertainment

7.1

Food

7.0

Comfort

7.7

Boarding

8.0

Overall

7.8

Crew

8.5

Reviews

1 / 20
6.0
Good

Thomas,Oct 2024

HNL - LAX

Seat Assignment Process which randomly assigns seats the day of the flight

Entertainment

7.1

Food

7.0

Comfort

7.7

Boarding

8.0

Overall

7.8

Crew

8.5

Reviews

1 / 20
6.0
Good

Thomas,Oct 2024

HNL - LAX

Seat Assignment Process which randomly assigns seats the day of the flight

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 39m on average. When it comes time to book airfare, you have a few options: there are 57 outbound flights from San Francisco to San Diego offered by 2 different airlines.

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

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

    Alaska Airlines, United Airlines, and Southwest can get you from San Francisco to San Diego in just under 1h 36m. Your travel time can differ by up to 2h 19m. There are 718 km between San Francisco and San Diego. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 C$ 100. Another option worth looking into is Frontier, starting at C$ 107 round trip. Users have found that Hawaiian Airlines is 51% cheaper than the other options available to this destination.

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

    Before booking your flight to San Diego from San Francisco, check out the most reliable airlines to get you to your destination on time: Air China (89%), United Airlines (84%), Air Canada( 83%).

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

    Looking at all options, your cheapest flight can be booked for C$ 54. While the most popular route (San Francisco - San Diego) can be booked for C$ 134 on average, our data indicates C$ 230 when flying from San Francisco to San Diego.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from San Francisco to San Diego (average of C$ 38). Flying from San Francisco to San Diego in September is currently the most expensive (average of C$ 90). 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
La Mesa
Borrego Springs
El Cajon

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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 629,999 searches. Data last updated 27 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapestC$ 100AverageC$ 158FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
FrontierCheapestC$ 107AverageC$ 121FlexibilityNo cancel feeOn-time62%
Search Frontier flights

Fly with Cheapflights

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

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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.

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