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Cheap flights from San Diego to San Francisco 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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SFO
21 Apr — 28 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Diego to San Francisco are usually found in May or July, booked 90 days in advance, depart on a Friday or Thursday 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 22 March 2026.

Wed 15/46:30 a.m.
SAN
-
SFO
Nonstop1h 45m
Southwest
Wed 22/43:55 p.m.
SFO
-
SAN
Nonstop1h 35m
Southwest
Deal found 18/3C$ 161
Wed 22/46:30 p.m.
SAN
-
SFO
1 stop4h 45m
Southwest
Tue 28/410:05 a.m.
SFO
-
SAN
Nonstop1h 35m
Southwest
Deal found 17/3C$ 174
Sat 25/47:15 a.m.
SAN
-
SFO
1 stop4h 35m
Southwest
Sat 25/41:50 p.m.
SFO
-
SAN
1 stop6h 20m
Southwest
Deal found 20/3C$ 188
Sat 18/47:15 a.m.
SAN
-
SFO
1 stop4h 35m
Southwest
Sat 18/41:50 p.m.
SFO
-
SAN
2 stops7h 10m
Southwest
Deal found 18/3C$ 195
Sat 18/41:20 p.m.
SAN
-
SFO
Nonstop1h 46m
United Airlines
Fri 24/410:40 p.m.
SFO
-
SAN
Nonstop1h 49m
United Airlines
Deal found 20/3C$ 202
Tue 7/46:30 p.m.
SAN
-
SFO
1 stop4h 15m
Southwest
Wed 8/46:20 a.m.
SFO
-
SAN
2 stops11h 25m
Southwest
Deal found 17/3C$ 203
Wed 15/47:12 p.m.
SAN
-
SFO
1 stop4h 47m
Delta
Wed 29/41:10 p.m.
SFO
-
SAN
1 stop5h 49m
Delta
Deal found 19/3C$ 215
Sat 18/48:35 a.m.
SAN
-
SFO
2 stops8h 50m
Southwest
Sun 19/46:00 a.m.
SFO
-
SAN
Nonstop1h 35m
Southwest
Deal found 19/3C$ 222
Sat 16/59:09 a.m.
SAN
-
SFO
Nonstop1h 46m
United Airlines
Sat 16/57:05 p.m.
SFO
-
SAN
1 stop4h 54m
United Airlines
Deal found 18/3C$ 225
Sat 25/412:30 p.m.
SAN
-
SFO
Nonstop1h 43m
Alaska Airlines
Mon 27/47:15 a.m.
SFO
-
SAN
Nonstop1h 40m
Alaska Airlines
Deal found 18/3C$ 229
Tue 19/58:20 p.m.
SAN
-
SFO
Nonstop1h 45m
Southwest
Wed 20/57:20 a.m.
SFO
-
SAN
2 stops6h 50m
Southwest
Deal found 18/3C$ 232

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 22 March 2026.

Round-trip from

C$ 161

One-way from

C$ 81

Popular in

February

Cheapest in

May

Average price

C$ 243
Southwest
  • Southwest
  • 15/4-22/4
  • Nonstop
  • 3h 20m total
  • San Diego to San Francisco
Search Deals
United Airlines
  • United Airlines
  • 14/4
  • Nonstop
  • 1h 46m total
  • San Diego to San Francisco
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 22 March 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

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 18/4

3:15 p.m.-9:20 p.m.

1 stop6h 05m

San Francisco

Sat 25/4

4:10 p.m.-5:45 p.m.

Nonstop1h 35m

C$ 174

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Wed 15/4

6:30 a.m.-8:15 a.m.

Nonstop1h 45m

San Francisco

Wed 22/4

7:20 a.m.-2:10 p.m.

2 stops6h 50m

C$ 181

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Tue 14/4

4:25 p.m.-11:15 p.m.

2 stops6h 50m

San Francisco

Wed 15/4

5:55 a.m.-12:40 p.m.

2 stops6h 45m

C$ 202

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Wed 15/4

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

Nonstop1h 46m

San Francisco

Sun 19/4

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

1 stop4h 48m

C$ 215

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Tue 28/4

6:36 a.m.-8:24 a.m.

Nonstop1h 48m

San Francisco

Tue 28/4

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

Nonstop1h 49m

C$ 243

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 8/5

7:40 p.m.-9:23 p.m.

Nonstop1h 43m

San Francisco

Mon 11/5

7:05 p.m.-11:59 p.m.

1 stop4h 54m

C$ 257

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 17/4

6:45 a.m.-12:35 p.m.

2 stops5h 50m

San Francisco

Sun 19/4

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

Nonstop1h 35m

C$ 263

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Tue 12/5

4:25 p.m.-11:15 p.m.

2 stops6h 50m

San Francisco

Tue 19/5

7:20 a.m.-2:10 p.m.

2 stops6h 50m

C$ 263

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 8/5

8:45 p.m.-10:25 p.m.

Nonstop1h 40m

San Francisco

Mon 11/5

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

2 stops8h 05m

C$ 263
Quickest round-trip

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 22/5

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

Nonstop1h 50m

San Francisco

Mon 25/5

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

Nonstop1h 35m

C$ 284

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/3

Showing 1-10 of 21 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?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to San Francisco. Price data was last updated on 13 March 2026.

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 90 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, May is the cheapest month in which you can book a flight from San Diego to San Francisco (average of C$ 38). Flying from San Diego to San Francisco in February is currently the most expensive (average of C$ 147). 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 22 March 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?

    This flight path from San Diego to San Francisco was viewed by 13 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Airlines like Southwest and United Airlines fly from San Diego to San Francisco in about 1h 46m. The time it takes to get you to your destination can typically vary by up to 4h 19m. 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 Frontier (100%), Emirates (91%) or SWISS (88%) when booking your flight. These represent the most reliable airlines when flying from San Diego to San Francisco.

  • 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, May is the cheapest month in which you can book a flight from San Diego to San Francisco (average of C$ 38). Flying from San Diego to San Francisco in February is currently the most expensive (average of C$ 147). 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
South San Francisco
Scotts Valley
Novato
Santa Clara
Vallejo

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