Cheap flights from San Francisco to San Diego from C$ 96

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAN
8 Jul — 15 Jul1
1 adult
1 adult, Economy, 0 bags

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 8 June 2026.

Tue 7/78:30 p.m.
SFO
-
SAN
Nonstop1h 45m
Southwest
Tue 14/77:25 p.m.
SAN
-
SFO
Nonstop1h 40m
Southwest
Deal found 4/6C$ 191
Wed 19/86:35 a.m.
SFO
-
SAN
1 stop6h 55m
Southwest
Tue 25/88:30 a.m.
SAN
-
SFO
Nonstop1h 35m
Southwest
Deal found 8/6C$ 197
Wed 1/75:50 a.m.
SFO
-
SAN
Nonstop1h 35m
Southwest
Wed 8/76:50 p.m.
SAN
-
SFO
1 stop4h 30m
Southwest
Deal found 4/6C$ 205
Tue 11/86:00 p.m.
SFO
-
SAN
Nonstop1h 35m
Southwest
Thu 13/81:20 p.m.
SAN
-
SFO
2 stops5h 55m
Southwest
Deal found 8/6C$ 208
Sat 11/76:00 a.m.
SFO
-
SAN
Nonstop1h 35m
Southwest
Sat 11/74:50 p.m.
SAN
-
SFO
1 stop7h 45m
Southwest
Deal found 7/6C$ 213
Sat 11/77:45 p.m.
SFO
-
SAN
1 stop4h 09m
United Airlines
Tue 14/76:20 a.m.
SAN
-
SFO
1 stop4h 25m
United Airlines
Deal found 4/6C$ 219
Tue 1/910:40 a.m.
SFO
-
SAN
2 stops8h 10m
Southwest
Wed 9/98:30 a.m.
SAN
-
SFO
Nonstop1h 35m
Southwest
Deal found 8/6C$ 220
Wed 2/91:30 p.m.
SFO
-
SAN
1 stop4h 36m
Delta
Tue 8/99:45 a.m.
SAN
-
SFO
1 stop6h 38m
Delta
Deal found 8/6C$ 225

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 8 June 2026.

Round-trip from

C$ 191

One-way from

C$ 96

Popular in

April

Cheapest in

July

Average price

C$ 232

Good one-way deal

C$ 144 or less
Alaska Airlines
  • Alaska Airlines
  • 30/6-30/6
  • Nonstop
  • 3h 25m total
  • San Francisco to San Diego
Alaska Airlines
  • Alaska Airlines
  • 1/7
  • Nonstop
  • 1h 40m total
  • San Francisco to San Diego
Highest demand for flights based on searches. 16% potential increase in price (C$ 81 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 11 potential savings vs. average RT price).
Average for round-trip flights in June 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 8 June 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 12/8

9:35 a.m.-3:25 p.m.

2 stops5h 50m

San Diego

Mon 17/8

7:45 a.m.-9:20 a.m.

Nonstop1h 35m

C$ 212

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 5/8

5:12 p.m.-11:50 p.m.

1 stop6h 38m

San Diego

Mon 10/8

7:59 p.m.-11:55 p.m.

1 stop3h 56m

C$ 219

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 1/8

5:55 p.m.-10:55 p.m.

1 stop5h 00m

San Diego

Wed 5/8

7:20 a.m.-2:40 p.m.

2 stops7h 20m

C$ 254

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 5/8

9:35 a.m.-3:25 p.m.

2 stops5h 50m

San Diego

Tue 11/8

3:30 p.m.-9:20 p.m.

2 stops5h 50m

C$ 261

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 22/7

2:15 p.m.-9:35 p.m.

1 stop7h 20m

San Diego

Tue 28/7

2:40 p.m.-10:15 p.m.

2 stops7h 35m

C$ 262
Quickest round-trip

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 11/7

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

Nonstop1h 35m

San Diego

Mon 13/7

8:15 a.m.-1:40 p.m.

2 stops5h 25m

C$ 268

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 1/8

9:05 p.m.-10:50 p.m.

Nonstop1h 45m

San Diego

Fri 7/8

1:20 p.m.-7:15 p.m.

2 stops5h 55m

C$ 268

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 1/7

5:50 a.m.-7:25 a.m.

Nonstop1h 35m

San Diego

Fri 31/7

9:30 a.m.-3:25 p.m.

2 stops5h 55m

C$ 268

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 29/8

6:00 a.m.-1:10 p.m.

2 stops7h 10m

San Diego

Mon 7/9

7:45 a.m.-9:20 a.m.

Nonstop1h 35m

C$ 272

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 9/7

5:00 a.m.-11:15 a.m.

1 stop6h 15m

San Diego

Mon 13/7

7:50 p.m.-12:55 a.m.

1 stop5h 05m

C$ 275

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/6

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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?

To ensure you get the cheapest price possible for a flight from San Francisco to San Diego, you should look to book at least 71 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, July is the cheapest month in which you can book a flight from San Francisco to San Diego (average of C$ 206). Flying from San Francisco to San Diego in April is currently the most expensive (average of C$ 368). 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 8 June 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 70% versus a flight in the afternoon.

How much does it cost to fly round-trip from San Francisco to San Diego?

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

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

    Southwest can get you from San Francisco to San Diego in just under 1h 45m. 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 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$ 39), Southwest (C$ 56), and Alaska Airlines (C$ 76).

  • 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 (82%), Copa Airlines (81%), SWISS( 77%).

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

    Looking at all options, your cheapest flight can be booked for C$ 144. While the most popular route (San Francisco - San Diego) can be booked for C$ 554 on average, our data indicates C$ 158 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, July is the cheapest month in which you can book a flight from San Francisco to San Diego (average of C$ 206). Flying from San Francisco to San Diego in April is currently the most expensive (average of C$ 368). 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

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