Cheap flights from San Francisco to San Diego from C$ 72

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAN
9 Apr — 16 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Francisco to San Diego are usually found in July or June, 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 10 March 2026.

Wed 1/410:40 p.m.
SFO
-
SAN
Nonstop1h 49m
United Airlines
Sat 4/46:36 a.m.
SAN
-
SFO
Nonstop1h 48m
United Airlines
Deal found 7/3C$ 157
Wed 1/46:35 a.m.
SFO
-
SAN
Nonstop1h 40m
Alaska Airlines
Wed 8/48:59 p.m.
SAN
-
SFO
Nonstop1h 53m
Alaska Airlines
Deal found 10/3C$ 159
Wed 15/45:55 a.m.
SFO
-
SAN
2 stops6h 45m
Southwest
Wed 15/44:25 p.m.
SAN
-
SFO
1 stop6h 20m
Southwest
Deal found 10/3C$ 166
Wed 1/45:05 a.m.
SFO
-
SAN
1 stop4h 25m
Southwest
Sun 5/46:30 a.m.
SAN
-
SFO
Nonstop1h 50m
Southwest
Deal found 10/3C$ 172
Sun 12/46:00 a.m.
SFO
-
SAN
Nonstop1h 35m
Southwest
Tue 14/44:25 p.m.
SAN
-
SFO
2 stops6h 50m
Southwest
Deal found 10/3C$ 179
Tue 7/46:20 a.m.
SFO
-
SAN
2 stops11h 25m
Southwest
Tue 14/41:00 p.m.
SAN
-
SFO
2 stops6h 55m
Southwest
Deal found 10/3C$ 180
Thu 2/47:00 a.m.
SFO
-
SAN
Nonstop1h 44m
United Airlines
Sat 4/46:36 a.m.
SAN
-
SFO
Nonstop1h 48m
United Airlines
Deal found 7/3C$ 185
Sat 18/47:00 a.m.
SFO
-
SAN
Nonstop1h 44m
United Airlines
Sun 19/46:36 a.m.
SAN
-
SFO
Nonstop1h 48m
United Airlines
Deal found 10/3C$ 186
Sat 28/310:35 p.m.
SFO
-
SAN
Nonstop1h 39m
United Airlines
Tue 31/311:00 a.m.
SAN
-
SFO
Nonstop1h 46m
United Airlines
Deal found 6/3C$ 187
Sat 25/411:45 a.m.
SFO
-
SAN
2 stops7h 00m
Southwest
Mon 27/46:55 p.m.
SAN
-
SFO
1 stop5h 15m
Southwest
Deal found 10/3C$ 193
Sat 16/56:00 a.m.
SFO
-
SAN
Nonstop1h 35m
Southwest
Sat 16/511:30 a.m.
SAN
-
SFO
1 stop9h 50m
Southwest
Deal found 10/3C$ 194

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 10 March 2026.

Round-trip from

C$ 157

One-way from

C$ 72

Popular in

February

Cheapest in

July

Average price

C$ 254

Good one-way deal

C$ 147 or less
United Airlines
  • United Airlines
  • 1/4-4/4
  • Nonstop
  • 3h 37m total
  • San Francisco to San Diego
Frontier
  • Frontier
  • 8/5
  • Nonstop
  • 1h 38m total
  • San Francisco to San Diego
Highest demand for flights based on searches. 18% potential increase in price (C$ 72 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease (C$ 13 potential savings vs. average RT price).
Average for round-trip flights in March 2026
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 10 March 2026.
Use the filters below to find and compare flights from San Francisco to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 1/4

10:40 p.m.-12:29 a.m.

Nonstop1h 49m

San Diego

Thu 2/4

4:21 p.m.-6:04 p.m.

Nonstop1h 43m

C$ 159

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 18/4

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

Nonstop1h 35m

San Diego

Mon 20/4

5:20 p.m.-11:45 p.m.

1 stop6h 25m

C$ 172

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Mon 6/4

10:40 p.m.-12:29 a.m.

Nonstop1h 49m

San Diego

Thu 9/4

7:20 a.m.-9:06 a.m.

Nonstop1h 46m

C$ 186

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Mon 13/4

6:15 a.m.-9:24 a.m.

1 stop3h 09m

San Diego

Fri 17/4

7:12 p.m.-11:59 p.m.

1 stop4h 47m

C$ 213

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 23/4

6:00 a.m.-9:24 a.m.

1 stop3h 24m

San Diego

Sat 25/4

9:47 a.m.-4:05 p.m.

1 stop6h 18m

C$ 213

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 17/4

6:30 p.m.-11:59 p.m.

1 stop5h 29m

San Diego

Sun 19/4

6:20 a.m.-10:49 a.m.

1 stop4h 29m

C$ 240

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 31/3

8:10 a.m.-9:54 a.m.

Nonstop1h 44m

San Diego

Sat 4/4

5:00 p.m.-9:25 p.m.

1 stop4h 25m

C$ 254

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 29/5

2:25 p.m.-10:30 p.m.

2 stops8h 05m

San Diego

Mon 1/6

6:55 p.m.-12:10 a.m.

1 stop5h 15m

C$ 274
Quickest round-trip

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 3/4

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

Nonstop1h 35m

San Diego

Fri 10/4

6:20 a.m.-8:10 a.m.

Nonstop1h 50m

C$ 328

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 2/4

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

Nonstop1h 35m

San Diego

Sun 5/4

6:45 a.m.-1:50 p.m.

2 stops7h 05m

C$ 332

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Showing 1-10 of 22 resultsSorted by cheapest first
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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 6 March 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, May is the cheapest month in which you can book a flight from San Francisco to San Diego (average of C$ 45). Flying from San Francisco to San Diego in February is currently the most expensive (average of C$ 132). 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 10 March 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 10 March 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.

Food

6.9

Crew

8.5

Entertainment

7.1

Overall

7.8

Comfort

7.7

Boarding

8.0

Reviews

1 / 20
6.0
Good

Thomas,Oct 2024

HNL - LAX

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

Food

6.9

Crew

8.5

Entertainment

7.1

Overall

7.8

Comfort

7.7

Boarding

8.0

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 43m on average. When it comes time to book airfare, you have a few options: there are 44 outbound flights from San Francisco to San Diego offered by 1 airline.

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

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

    Southwest and United Airlines can get you from San Francisco to San Diego in just under 1h 49m. Your travel time can differ by up to 3h 51m. 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 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$ 97. Users have found that Hawaiian Airlines is 60% 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$ 46), Southwest (C$ 55), and Alaska Airlines (C$ 74).

  • 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 New Zealand (82%), United Airlines (81%), Japan Airlines( 80%).

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

    Looking at all options, your cheapest flight can be booked for C$ 106. While the most popular route (San Francisco - San Diego) can be booked for C$ 389 on average, our data indicates C$ 147 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$ 45). Flying from San Francisco to San Diego in February is currently the most expensive (average of C$ 132). 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 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapestC$ 97AverageC$ 154FlexibilityNo 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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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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