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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 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAN
24 Feb — 3 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Francisco to San Diego are usually found in March or July, 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

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 25 January 2026.

Sat 14/27:06 p.m.
SFO
-
SAN
Nonstop1h 43m
United Airlines
Wed 18/211:57 a.m.
SAN
-
SFO
Nonstop1h 47m
United Airlines
Deal found 23/1C$ 159
Wed 25/25:05 a.m.
SFO
-
SAN
1 stop5h 50m
Southwest
Sat 28/24:25 p.m.
SAN
-
SFO
1 stop5h 40m
Southwest
Deal found 22/1C$ 160
Tue 24/23:00 p.m.
SFO
-
SAN
1 stop4h 10m
Southwest
Tue 3/32:00 p.m.
SAN
-
SFO
2 stops7h 20m
Southwest
Deal found 24/1C$ 167
Thu 26/28:59 a.m.
SFO
-
SAN
Nonstop1h 40m
United Airlines
Sun 1/36:15 a.m.
SAN
-
SFO
Nonstop1h 50m
United Airlines
Deal found 24/1C$ 168
Thu 26/28:59 a.m.
SFO
-
SAN
Nonstop1h 40m
United Airlines
Mon 2/39:54 a.m.
SAN
-
SFO
Nonstop1h 50m
United Airlines
Deal found 25/1C$ 170
Thu 5/38:50 a.m.
SFO
-
SAN
Nonstop1h 35m
Southwest
Mon 9/37:40 p.m.
SAN
-
SFO
Nonstop1h 50m
Southwest
Deal found 24/1C$ 173
Fri 27/27:00 a.m.
SFO
-
SAN
Nonstop1h 40m
United Airlines
Sun 1/36:15 a.m.
SAN
-
SFO
Nonstop1h 50m
United Airlines
Deal found 24/1C$ 182
Mon 16/25:35 a.m.
SFO
-
SAN
Nonstop1h 30m
Southwest
Wed 18/27:45 a.m.
SAN
-
SFO
Nonstop1h 40m
Southwest
Deal found 23/1C$ 184
Fri 20/29:50 p.m.
SFO
-
SAN
Nonstop1h 25m
Southwest
Tue 24/27:10 a.m.
SAN
-
SFO
1 stop3h 45m
Southwest
Deal found 24/1C$ 186
Sat 28/210:09 a.m.
SFO
-
SAN
Nonstop1h 41m
Alaska Airlines
Tue 3/38:00 a.m.
SAN
-
SFO
Nonstop1h 55m
Alaska Airlines
Deal found 24/1C$ 188
Mon 30/39:07 p.m.
SFO
-
SAN
1 stop10h 38m
Alaska Airlines
Sat 4/48:59 p.m.
SAN
-
SFO
Nonstop1h 53m
Alaska Airlines
Deal found 23/1C$ 192
Sat 18/410:10 a.m.
SFO
-
SAN
2 stops7h 40m
Southwest
Sat 25/46:45 p.m.
SAN
-
SFO
Nonstop1h 40m
Southwest
Deal found 25/1C$ 193

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 25 January 2026.

Round-trip from

C$ 159

One-way from

C$ 81

Popular in

December

Cheapest in

March

Average price

C$ 215

Good one-way deal

C$ 198 or less
United Airlines
  • United Airlines
  • 14/2-18/2
  • Nonstop
  • 3h 30m total
  • San Francisco to San Diego
Search Deals
Southwest
  • Southwest
  • 28/2
  • 1 total stop
  • 5h 00m total
  • San Francisco to San Diego
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 25 January 2026.
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 24/2

9:50 a.m.-4:45 p.m.

1 stop6h 55m

San Diego

Sat 28/2

5:45 p.m.-11:15 p.m.

1 stop5h 30m

C$ 160

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 25/2

5:05 a.m.-10:55 a.m.

1 stop5h 50m

San Diego

Sat 28/2

4:25 p.m.-10:05 p.m.

1 stop5h 40m

C$ 160

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 31/3

5:55 a.m.-1:05 p.m.

1 stop7h 10m

San Diego

Tue 14/4

6:30 p.m.-11:15 p.m.

1 stop4h 45m

C$ 160

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 6/3

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

Nonstop1h 35m

San Diego

Mon 9/3

2:25 p.m.-4:05 p.m.

Nonstop1h 40m

C$ 173

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sun 1/3

5:50 a.m.-7:20 a.m.

Nonstop1h 30m

San Diego

Mon 2/3

8:45 a.m.-10:30 a.m.

Nonstop1h 45m

C$ 173

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 21/2

6:15 a.m.-7:45 a.m.

Nonstop1h 30m

San Diego

Mon 23/2

6:45 a.m.-8:30 a.m.

Nonstop1h 45m

C$ 173

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sun 1/3

6:00 a.m.-10:07 a.m.

1 stop4h 07m

San Diego

Wed 4/3

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

Nonstop1h 47m

C$ 186

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sun 8/3

6:00 a.m.-10:22 a.m.

1 stop4h 22m

San Diego

Fri 13/3

6:15 a.m.-8:05 a.m.

Nonstop1h 50m

C$ 200

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 6/3

10:35 p.m.-12:14 a.m.

Nonstop1h 39m

San Diego

Mon 9/3

11:03 a.m.-5:05 p.m.

1 stop6h 02m

C$ 200

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 19/2

9:10 a.m.-10:45 a.m.

Nonstop1h 35m

San Diego

Mon 23/2

12:25 p.m.-2:10 p.m.

Nonstop1h 45m

C$ 201

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/1

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 23 January 2026.

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, April is the cheapest month in which you can book a flight from San Francisco to San Diego (average of C$ 40). Flying from San Francisco to San Diego in September is currently the most expensive (average of C$ 89). 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 25 January 2026.

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 25 January 2026.
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
2,829 reviews
Check prices

Comfort

7.7

Boarding

8.0

Entertainment

7.1

Food

6.9

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
Hawaiian Airlines
7.8
Good
2,829 reviews
Hawaiian Airlines
7.8
Good
2,829 reviews
Check prices

Comfort

7.7

Boarding

8.0

Entertainment

7.1

Food

6.9

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 40m on average. When it comes time to book airfare, you have a few options: there are 50 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, 5 users have taken a look at flights from San Francisco to San Diego.

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

    Southwest can get you from San Francisco to San Diego in just under 6h 55m. Your travel time can differ by up to . There are 718 km between San Francisco and San Diego.

  • 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 55% 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$ 52), and Southwest (C$ 55).

  • 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: Japan Airlines (77%), Air China (77%), United Airlines( 74%).

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

    Looking at all options, your cheapest flight can be booked for C$ 80. While the most popular route (San Francisco - San Diego) can be booked for C$ 268 on average, our data indicates C$ 198 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, April is the cheapest month in which you can book a flight from San Francisco to San Diego (average of C$ 40). Flying from San Francisco to San Diego in September is currently the most expensive (average of C$ 89). 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

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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 629,999 searches. Data last updated 25 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapestC$ 98AverageC$ 155FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

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.

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

Of course! You can now track prices for flights from San Francisco to San Diego and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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