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Cheap flights from San Francisco to San Diego from C$ 81

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAN
11 Jan — 18 Jan1
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

Cheap flight deals from San Francisco to San Diego

Enter your travel dates to find the best prices.

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 12 December 2025.

Wed 31/127:00 a.m.SFO - SAN
Nonstop1h 51mAlaska Airlines
Wed 7/18:59 p.m.SAN - SFO
Nonstop1h 48mAlaska Airlines
Deal found 10/12C$ 203
Tue 16/128:09 a.m.SFO - SAN
Nonstop1h 37mAlaska Airlines
Sat 10/18:59 p.m.SAN - SFO
Nonstop1h 48mAlaska Airlines
Deal found 11/12C$ 237
Wed 17/128:09 a.m.SFO - SAN
Nonstop1h 37mAlaska Airlines
Wed 17/127:59 p.m.SAN - SFO
Nonstop1h 47mAlaska Airlines
Deal found 10/12C$ 258
Wed 31/125:05 p.m.SFO - SAN
Nonstop1h 36mAlaska Airlines
Tue 6/110:19 p.m.SAN - SFO
1 stop10h 28mAlaska Airlines
Deal found 10/12C$ 263
Fri 12/125:50 a.m.SFO - SAN
Nonstop1h 30mSouthwest
Thu 15/18:45 a.m.SAN - SFO
Nonstop1h 45mSouthwest
Deal found 10/12C$ 265
Wed 31/126:50 p.m.SFO - SAN
1 stop4h 47mUnited Airlines
Tue 6/17:52 p.m.SAN - SFO
Nonstop1h 47mUnited Airlines
Deal found 9/12C$ 272
Mon 15/124:15 p.m.SFO - SAN
1 stop3h 37mUnited Airlines
Wed 14/111:08 a.m.SAN - SFO
1 stop4h 04mUnited Airlines
Deal found 10/12C$ 279
Wed 31/127:45 a.m.SFO - SAN
Nonstop1h 30mSouthwest
Sun 4/16:30 a.m.SAN - SFO
Nonstop1h 45mSouthwest
Deal found 10/12C$ 280
Tue 16/128:09 a.m.SFO - SAN
Nonstop1h 37mAlaska Airlines
Wed 17/127:59 p.m.SAN - SFO
Nonstop1h 47mAlaska Airlines
Deal found 10/12C$ 285
Tue 30/1210:45 p.m.SFO - SAN
Nonstop1h 30mUnited Airlines
Wed 31/128:45 p.m.SAN - SFO
1 stop3h 41mUnited Airlines
Deal found 9/12C$ 287
Wed 17/125:05 a.m.SFO - SAN
1 stop5h 10mSouthwest
Wed 17/123:15 p.m.SAN - SFO
1 stop6h 35mSouthwest
Deal found 10/12C$ 298

Find 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 12 December 2025.

Round-trip from

C$ 153

One-way from

C$ 81

Popular in

November

Cheapest in

January

Average price

C$ 269

Good one-way deal

C$ 119 or less
Alaska Airlines
  • Alaska Airlines
  • 7/1-7/1
  • Nonstop
  • 3h 22m total
  • San Francisco to San Diego
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 10/1
  • Nonstop
  • 1h 35m total
  • San Francisco to San Diego
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a one-way flight from San Francisco to San Diego.
Search Deals

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 12 December 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 18/1

7:00 a.m.-8:35 a.m.

Nonstop1h 35m

San Diego

Wed 21/1

12:15 p.m.-2:02 p.m.

Nonstop1h 47m

C$ 182

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 23/1

7:00 a.m.-8:37 a.m.

Nonstop1h 37m

San Diego

Tue 27/1

9:55 a.m.-11:44 a.m.

Nonstop1h 49m

C$ 182

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Mon 5/1

8:20 a.m.-10:04 a.m.

Nonstop1h 44m

San Diego

Wed 14/1

2:51 p.m.-4:32 p.m.

Nonstop1h 41m

C$ 189

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 14/2

6:50 p.m.-11:40 p.m.

1 stop4h 50m

San Diego

Wed 18/2

5:55 p.m.-7:42 p.m.

Nonstop1h 47m

C$ 189

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 17/1

7:00 a.m.-8:35 a.m.

Nonstop1h 35m

San Diego

Sun 18/1

9:11 a.m.-11:01 a.m.

Nonstop1h 50m

C$ 196

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 9/1

3:15 p.m.-4:45 p.m.

Nonstop1h 30m

San Diego

Mon 12/1

10:15 a.m.-12:05 p.m.

Nonstop1h 50m

C$ 203

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 12/3

6:00 a.m.-7:35 a.m.

Nonstop1h 35m

San Diego

Sun 15/3

6:30 a.m.-8:20 a.m.

Nonstop1h 50m

C$ 203

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 9/1

7:40 a.m.-9:10 a.m.

Nonstop1h 30m

San Diego

Tue 13/1

2:00 p.m.-9:20 p.m.

2 stops7h 20m

C$ 203

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 23/1

10:12 a.m.-11:51 a.m.

Nonstop1h 39m

San Diego

Mon 26/1

2:51 p.m.-4:32 p.m.

Nonstop1h 41m

C$ 203

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 7/1

2:52 p.m.-4:30 p.m.

Nonstop1h 38m

San Diego

Wed 14/1

12:41 p.m.-9:55 p.m.

1 stop9h 14m

C$ 207

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 24 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 5 December 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, December is the cheapest month in which you can book a flight from San Francisco to San Diego (average of C$ 32). Flying from San Francisco to San Diego in September is currently the most expensive (average of C$ 88). 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 12 December 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 12 December 2025.
Get a feel of what it's like to fly with Hawaiian Airlines 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.
Hawaiian Airlines
7.8
Good
2,817 reviews
Check prices

Entertainment

7.1

Food

6.9

Boarding

8.0

Comfort

7.7

Crew

8.5

Overall

7.8

Reviews

1 / 20
6.0
Good

Thomas,Oct 2024

HNL - LAX

Seat Assignment Process which randomly assigns seats the day of the flight
Hawaiian Airlines
7.8
Good
2,817 reviews
Hawaiian Airlines
7.8
Good
2,817 reviews
Check prices

Entertainment

7.1

Food

6.9

Boarding

8.0

Comfort

7.7

Crew

8.5

Overall

7.8

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 35m on average. When it comes time to book airfare, you have a few options: there are 71 outbound flights from San Francisco to San Diego offered by 1 airline.

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

    Within the past month, 6 users have taken a look at flights from San Francisco to San Diego.

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

    United Airlines and Alaska Airlines can get you from San Francisco to San Diego in just under 1h 37m. Your travel time will be generally consistent. There are 718 km between San Francisco and San Diego. Most flights are nonstop.

  • What is the cheapest airline to fly 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$ 98. Users have found that Hawaiian Airlines is 53% 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 Frontier (C$ 40), Alaska Airlines (C$ 53), and Southwest (C$ 56).

  • 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: Frontier (80%), Horizon Air (77%), Air China( 77%).

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

    Looking at all options, your cheapest flight can be booked for C$ 59. While the most popular route (San Francisco - San Diego) can be booked for C$ 328 on average, our data indicates C$ 675 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, December is the cheapest month in which you can book a flight from San Francisco to San Diego (average of C$ 32). Flying from San Francisco to San Diego in September is currently the most expensive (average of C$ 88). 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
El Cajon
La Mesa
Borrego Springs

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 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 629,999 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapestC$ 98AverageC$ 156FlexibilityNo 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?

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?

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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