Cheap flights from San Francisco to San Diego from C$ 54

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAN
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 Thursday or Monday and return on a Friday

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 11 September 2025.

Round-trip from

C$ 105

One-way from

C$ 54

Popular in

August

Cheapest in

January

Average price

C$ 176

Good one-way deal

C$ 165 or less
Southwest
  • Southwest
  • 4/11-5/11
  • 1 total stop
  • 8h 45m total
  • San Francisco to San Diego
United Airlines
  • United Airlines
  • 14/12
  • Nonstop
  • 1h 38m total
  • San Francisco to San Diego
Highest demand for flights based on searches. 3% potential increase in price (C$ 8 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 September 2025
Price to beat on a one-way flight from San Francisco to San Diego.

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 11 September 2025.

Tue 4/1112:15 p.m.SFO - SAN
1 stop7h 00mSouthwest
Wed 5/117:00 a.m.SAN - SFO
Nonstop1h 45mSouthwest
Deal found 11/9C$ 105
Thu 2/107:10 a.m.SFO - SAN
Nonstop1h 42mHawaiian Airlines
Fri 3/1010:18 p.m.SAN - SFO
Nonstop1h 41mHawaiian Airlines
Deal found 11/9C$ 107
Sun 7/127:45 a.m.SFO - SAN
Nonstop1h 30mSouthwest
Tue 9/128:10 a.m.SAN - SFO
Nonstop1h 45mSouthwest
Deal found 9/9C$ 108
Wed 1/105:15 a.m.SFO - SAN
1 stop5h 05mSouthwest
Thu 2/108:55 p.m.SAN - SFO
Nonstop1h 40mSouthwest
Deal found 10/9C$ 109
Wed 29/105:30 a.m.SFO - SAN
1 stop4h 55mSouthwest
Mon 3/117:40 p.m.SAN - SFO
Nonstop1h 40mSouthwest
Deal found 10/9C$ 112
Tue 9/125:10 a.m.SFO - SAN
1 stop5h 05mSouthwest
Tue 16/127:00 a.m.SAN - SFO
Nonstop1h 45mSouthwest
Deal found 11/9C$ 116
Wed 3/122:15 p.m.SFO - SAN
1 stop8h 10mSouthwest
Fri 5/128:10 a.m.SAN - SFO
Nonstop1h 45mSouthwest
Deal found 11/9C$ 118
Tue 30/910:36 p.m.SFO - SAN
Nonstop1h 39mUnited Airlines
Thu 2/108:08 p.m.SAN - SFO
Nonstop1h 40mUnited Airlines
Deal found 11/9C$ 123
Mon 29/96:00 a.m.SFO - SAN
Nonstop1h 30mSouthwest
Wed 1/104:15 p.m.SAN - SFO
Nonstop1h 30mSouthwest
Deal found 10/9C$ 127
Mon 20/106:35 p.m.SFO - SAN
Nonstop1h 30mSouthwest
Tue 21/103:20 p.m.SAN - SFO
1 stop7h 25mSouthwest
Deal found 11/9C$ 130
Mon 29/98:55 p.m.SFO - SAN
Nonstop1h 30mSouthwest
Thu 2/108:55 p.m.SAN - SFO
Nonstop1h 40mSouthwest
Deal found 11/9C$ 132
Sat 11/102:20 p.m.SFO - SAN
Nonstop1h 39mUnited Airlines
Sat 11/107:28 p.m.SAN - SFO
Nonstop1h 40mUnited Airlines
Deal found 11/9C$ 133

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 11 September 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

Tue 9/12

5:10 a.m.-10:15 a.m.

1 stop5h 05m

San Diego

Tue 16/12

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

Nonstop1h 45m

C$ 116

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 3/12

2:15 p.m.-10:25 p.m.

1 stop8h 10m

San Diego

Fri 5/12

8:10 a.m.-9:55 a.m.

Nonstop1h 45m

C$ 118

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 30/9

7:10 a.m.-8:52 a.m.

Nonstop1h 42m

San Diego

Sat 4/10

10:20 a.m.-12:10 p.m.

Nonstop1h 50m

C$ 134

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 2/10

7:10 a.m.-8:52 a.m.

Nonstop1h 42m

San Diego

Sat 4/10

7:15 a.m.-9:06 a.m.

Nonstop1h 51m

C$ 134

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sun 12/10

6:45 a.m.-8:29 a.m.

Nonstop1h 44m

San Diego

Wed 15/10

12:18 p.m.-2:01 p.m.

Nonstop1h 43m

C$ 134

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 14/10

11:20 a.m.-12:55 p.m.

Nonstop1h 35m

San Diego

Wed 15/10

3:20 p.m.-10:45 p.m.

1 stop7h 25m

C$ 139

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Mon 29/9

5:15 a.m.-10:30 a.m.

1 stop5h 15m

San Diego

Wed 1/10

1:05 p.m.-2:40 p.m.

Nonstop1h 35m

C$ 154

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Mon 29/9

5:15 a.m.-10:30 a.m.

1 stop5h 15m

San Diego

Tue 30/9

6:35 a.m.-11:25 a.m.

1 stop4h 50m

C$ 168

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 27/2

7:15 a.m.-8:45 a.m.

Nonstop1h 30m

San Diego

Sun 1/3

6:20 a.m.-8:06 a.m.

Nonstop1h 46m

C$ 184

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sun 9/11

5:55 a.m.-7:30 a.m.

Nonstop1h 35m

San Diego

Tue 11/11

8:00 a.m.-2:25 p.m.

2 stops6h 25m

C$ 186

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 23 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 29 August 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, May is the cheapest month in which you can book a flight from San Francisco to San Diego (average of C$ 289). Flying from San Francisco to San Diego in November is currently the most expensive (average of C$ 390). 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 11 September 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 evening, which can drop the price by up to 73% 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 11 September 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

Crew

8.5

Boarding

8.0

Comfort

7.7

Overall

7.8

Food

7.0

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

Crew

8.5

Boarding

8.0

Comfort

7.7

Overall

7.8

Food

7.0

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

Crew

8.5

Boarding

8.0

Comfort

7.7

Overall

7.8

Food

7.0

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 38m on average. When it comes time to book airfare, you have a few options: there are 73 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?

    Hawaiian Airlines and Southwest can get you from San Francisco to San Diego in just under 1h 35m. Your travel time will be generally consistent. There are 718 km between San Francisco and San Diego. Most flights are nonstop.

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

    Flying on Frontier is currently your cheapest option to San Diego, with prices starting at C$ 78. Another option worth looking into is Hawaiian Airlines, starting at C$ 99 round trip. Users have found that Frontier is 59% 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 airlines for a one-way flight from San Francisco to San Diego are United Airlines (C$ 54), Alaska Airlines (C$ 54), and Southwest (C$ 54).

  • 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 (88%), United Airlines (78%), Emirates( 78%).

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

    Looking at all options, your cheapest flight can be booked for C$ 102. While the most popular route (San Francisco - San Diego) can be booked for C$ 438 on average, our data indicates C$ 497 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, May is the cheapest month in which you can book a flight from San Francisco to San Diego (average of C$ 289). Flying from San Francisco to San Diego in November is currently the most expensive (average of C$ 390). 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
Borrego Springs
El Cajon

Browse thousands of different options on Cheapflights for your next trip

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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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 78AverageC$ 112FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Hawaiian AirlinesCheapestC$ 99AverageC$ 157FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines 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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