Cheap flights from San Diego to San Francisco from C$ 99

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SFO
20 Jul — 27 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Diego to San Francisco are usually found in October or August, booked 90 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap flight deals from San Diego to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from San Diego to San Francisco
Explore the most affordable flight options available from San Diego to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 June 2026.

Tue 14/78:30 a.m.
SAN
-
SFO
Nonstop1h 40m
Southwest
Tue 21/75:50 a.m.
SFO
-
SAN
Nonstop1h 35m
Southwest
Deal found 16/6C$ 154
Sat 1/87:15 a.m.
SAN
-
SFO
Nonstop1h 35m
Southwest
Mon 3/87:00 a.m.
SFO
-
SAN
Nonstop1h 35m
Southwest
Deal found 19/6C$ 166
Thu 9/76:40 a.m.
SAN
-
SFO
1 stop5h 20m
Southwest
Mon 13/711:00 a.m.
SFO
-
SAN
Nonstop1h 40m
Southwest
Deal found 16/6C$ 168
Wed 22/76:30 a.m.
SAN
-
SFO
2 stops7h 45m
Southwest
Wed 22/78:30 p.m.
SFO
-
SAN
Nonstop1h 45m
Southwest
Deal found 15/6C$ 176
Tue 7/73:05 p.m.
SAN
-
SFO
Nonstop1h 35m
Southwest
Tue 7/77:20 p.m.
SFO
-
SAN
1 stop12h 05m
Southwest
Deal found 16/6C$ 177
Wed 22/76:50 p.m.
SAN
-
SFO
1 stop4h 30m
Southwest
Wed 29/72:55 p.m.
SFO
-
SAN
Nonstop1h 45m
Southwest
Deal found 19/6C$ 180
Sat 18/75:30 p.m.
SAN
-
SFO
2 stops7h 05m
Southwest
Sat 25/76:00 a.m.
SFO
-
SAN
Nonstop1h 35m
Southwest
Deal found 20/6C$ 187
Tue 21/76:30 a.m.
SAN
-
SFO
2 stops7h 45m
Southwest
Tue 28/75:00 a.m.
SFO
-
SAN
1 stop4h 15m
Southwest
Deal found 17/6C$ 190
Tue 18/87:20 a.m.
SAN
-
SFO
2 stops7h 20m
Southwest
Tue 25/89:35 a.m.
SFO
-
SAN
2 stops5h 50m
Southwest
Deal found 17/6C$ 197

Find flight deals from San Diego to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to San Francisco (SFO). 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 20 June 2026.

Round-trip from

C$ 154

One-way from

C$ 99

Popular in

March

Cheapest in

October

Average price

C$ 297

Good one-way deal

C$ 127 or less
Southwest
  • Southwest
  • 14/7-21/7
  • Nonstop
  • 3h 15m total
  • San Diego to San Francisco
Southwest
  • Southwest
  • 22/7
  • 2 total stops
  • 7h 45m total
  • San Diego to San Francisco
Highest demand for flights based on searches. 16% potential increase in price (C$ 76 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 12 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a one-way flight from San Diego to San Francisco.

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to San Francisco 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 20 June 2026.
Use the filters below to find and compare flights from San Diego to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 9/7

5:20 p.m.-7:00 p.m.

Nonstop1h 40m

San Francisco

Mon 13/7

11:00 a.m.-12:40 p.m.

Nonstop1h 40m

C$ 154

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 1/10

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

1 stop4h 48m

San Francisco

Mon 5/10

6:50 a.m.-10:10 a.m.

1 stop3h 20m

C$ 236

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 28/8

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

2 stops5h 55m

San Francisco

Mon 31/8

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

Nonstop1h 35m

C$ 238

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 17/10

9:40 a.m.-11:15 a.m.

Nonstop1h 35m

San Francisco

Mon 19/10

11:55 a.m.-8:10 p.m.

2 stops8h 15m

C$ 242

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 16/7

6:40 a.m.-12:00 p.m.

1 stop5h 20m

San Francisco

Sun 19/7

9:35 p.m.-11:30 p.m.

Nonstop1h 55m

C$ 245

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sun 12/7

6:15 a.m.-7:59 a.m.

Nonstop1h 44m

San Francisco

Tue 6/10

4:47 p.m.-6:35 p.m.

Nonstop1h 48m

C$ 251

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 25/9

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

1 stop4h 48m

San Francisco

Mon 28/9

5:50 a.m.-12:30 p.m.

1 stop6h 40m

C$ 251

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sun 20/9

10:25 p.m.-9:20 a.m.

1 stop10h 55m

San Francisco

Tue 22/9

7:40 a.m.-4:50 p.m.

2 stops9h 10m

C$ 252

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Wed 22/7

6:30 a.m.-2:15 p.m.

2 stops7h 45m

San Francisco

Sat 25/7

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

Nonstop1h 35m

C$ 252

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 21/8

2:30 p.m.-8:35 p.m.

2 stops6h 05m

San Francisco

Sun 23/8

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

Nonstop1h 35m

C$ 272

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/6

Showing 1-10 of 24 resultsSorted by cheapest first
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Best time to book a flight from San Diego to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from San Diego 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 Diego to San Francisco

How far ahead should I book a flight from San Diego to San Francisco?

The price you pay for your flight from San Diego to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 89 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Diego to San Francisco?

Currently, October is the cheapest month in which you can book a flight from San Diego to San Francisco (average of C$ 190). Flying from San Diego to San Francisco in March is currently the most expensive (average of C$ 361). 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 SAN to SFO?

Find hourly flight availability from San Diego to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 June 2026.

When flying from San Diego to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 93% versus a flight in the evening.

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

Related info for your journey

Find useful and relevant information for your journey from San Diego to San Francisco. 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 Diego to San Francisco flight route?

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

    Airlines like Southwest and Delta fly from San Diego to San Francisco in about 1h 40m. The time it takes to get you to your destination can typically vary by up to 3h 08m. The distance between San Diego and San Francisco is about 718 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most reliable airlines from San Diego to San Francisco?

    Consider SWISS (64%), Air New Zealand (60%) or Lufthansa (60%) when booking your flight. These represent the most reliable airlines when flying from San Diego to San Francisco.

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

    While on average a flight from San Diego to San Francisco is generally C$ 293, our data shows the cheapest flight currently is C$ 91. When looking at the most popular route, (San Diego - San Francisco), you can expect to pay C$ 202 for that flight.

  • Can I find deals for flights from San Diego to San Francisco that include hotel bookings?

    Yes. In addition to deals on San Diego to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to San Francisco.

  • Can I find deals for business class flights from San Diego to San Francisco?

    Yes. Cheapflights offers flight deals from San Diego to San Francisco 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 Diego to San Francisco?

    Currently, October is the cheapest month in which you can book a flight from San Diego to San Francisco (average of C$ 190). Flying from San Diego to San Francisco in March is currently the most expensive (average of C$ 361). 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 Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Burlingame
San Bruno
Roseville
Livermore
South San Francisco
Novato
Vallejo

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