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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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SFO
18 May — 25 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Diego to San Francisco are usually found in July or May, 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 18 April 2026.

Tue 12/54:25 p.m.
SAN
-
SFO
2 stops6h 50m
Southwest
Tue 19/57:40 p.m.
SFO
-
SAN
Nonstop1h 45m
Southwest
Deal found 14/4C$ 153
Sat 9/55:15 p.m.
SAN
-
SFO
Nonstop1h 40m
Southwest
Wed 13/52:50 p.m.
SFO
-
SAN
1 stop4h 35m
Southwest
Deal found 17/4C$ 160
Wed 6/54:25 p.m.
SAN
-
SFO
2 stops6h 50m
Southwest
Sat 9/54:10 p.m.
SFO
-
SAN
Nonstop1h 35m
Southwest
Deal found 14/4C$ 167
Sat 9/57:00 a.m.
SAN
-
SFO
1 stop4h 05m
Southwest
Tue 12/511:25 a.m.
SFO
-
SAN
2 stops6h 50m
Southwest
Deal found 16/4C$ 181
Sat 30/57:15 a.m.
SAN
-
SFO
1 stop4h 35m
Southwest
Sat 30/51:50 p.m.
SFO
-
SAN
1 stop6h 20m
Southwest
Deal found 14/4C$ 188
Sat 6/64:15 p.m.
SAN
-
SFO
1 stop7h 15m
Southwest
Tue 9/612:10 p.m.
SFO
-
SAN
2 stops6h 10m
Southwest
Deal found 16/4C$ 189
Sat 16/58:35 a.m.
SAN
-
SFO
2 stops8h 50m
Southwest
Sat 23/51:50 p.m.
SFO
-
SAN
1 stop6h 20m
Southwest
Deal found 15/4C$ 194
Sat 9/57:15 a.m.
SAN
-
SFO
Nonstop1h 46m
United Airlines
Sat 9/56:25 p.m.
SFO
-
SAN
1 stop5h 34m
United Airlines
Deal found 17/4C$ 201
Fri 22/57:43 a.m.
SAN
-
SFO
Nonstop1h 50m
Alaska Airlines
Wed 27/56:16 a.m.
SFO
-
SAN
Nonstop1h 42m
Alaska Airlines
Deal found 14/4C$ 208
Sat 23/511:01 a.m.
SAN
-
SFO
1 stop4h 55m
Delta
Tue 26/54:55 p.m.
SFO
-
SAN
1 stop6h 20m
Delta
Deal found 14/4C$ 215
Sat 23/55:15 p.m.
SAN
-
SFO
Nonstop1h 40m
Southwest
Mon 1/63:00 p.m.
SFO
-
SAN
2 stops6h 10m
Southwest
Deal found 14/4C$ 222

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 18 April 2026.

Round-trip from

C$ 153

One-way from

C$ 81

Popular in

March

Cheapest in

July

Average price

C$ 237

Good one-way deal

C$ 196 or less
Southwest
  • Southwest
  • 12/5-19/5
  • 2 total stops
  • 8h 35m total
  • San Diego to San Francisco
Search Deals
Southwest
  • Southwest
  • 5/5
  • 1 total stop
  • 4h 15m total
  • San Diego to San Francisco
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a one-way flight from San Diego to San Francisco.
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 18 April 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

Wed 13/5

6:45 p.m.-10:23 p.m.

1 stop3h 38m

San Francisco

Sat 16/5

4:55 p.m.-11:15 p.m.

1 stop6h 20m

C$ 215

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 30/5

6:15 a.m.-10:53 a.m.

1 stop4h 38m

San Francisco

Tue 2/6

6:20 p.m.-11:15 p.m.

1 stop4h 55m

C$ 215

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 30/5

7:15 a.m.-11:50 a.m.

1 stop4h 35m

San Francisco

Sat 6/6

7:05 a.m.-1:40 p.m.

2 stops6h 35m

C$ 235

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 16/5

6:20 a.m.-8:08 a.m.

Nonstop1h 48m

San Francisco

Sat 16/5

4:41 p.m.-6:33 p.m.

Nonstop1h 52m

C$ 246

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sun 10/5

6:15 a.m.-10:48 a.m.

1 stop4h 33m

San Francisco

Sun 10/5

6:46 p.m.-8:38 p.m.

Nonstop1h 52m

C$ 256

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Wed 27/5

12:45 p.m.-7:55 p.m.

2 stops7h 10m

San Francisco

Thu 28/5

5:40 p.m.-10:00 p.m.

1 stop4h 20m

C$ 270

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 8/5

4:20 p.m.-10:10 p.m.

2 stops5h 50m

San Francisco

Sat 9/5

1:50 p.m.-8:10 p.m.

1 stop6h 20m

C$ 276
Quickest round-trip

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Mon 4/5

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

Nonstop1h 50m

San Francisco

Thu 7/5

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

Nonstop1h 35m

C$ 292

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Tue 4/8

12:20 p.m.-7:15 p.m.

2 stops6h 55m

San Francisco

Thu 6/8

6:45 a.m.-8:15 a.m.

Nonstop1h 30m

C$ 304

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Mon 15/6

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

2 stops6h 15m

San Francisco

Mon 22/6

4:00 p.m.-5:40 p.m.

Nonstop1h 40m

C$ 304

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/4

Showing 1-10 of 20 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 17 April 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, July is the cheapest month in which you can book a flight from San Diego to San Francisco (average of C$ 168). Flying from San Diego to San Francisco in March is currently the most expensive (average of C$ 352). 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 18 April 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 95% 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 12 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 Delta and Southwest fly from San Diego to San Francisco in about 3h 38m. The time it takes to get you to your destination can typically vary by up to 3h 57m. 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 Iberia (88%), Lufthansa (80%) or Copa Airlines (80%) 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$ 307, our data shows the cheapest flight currently is C$ 68. When looking at the most popular route, (San Diego - San Francisco), you can expect to pay C$ 285 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, July is the cheapest month in which you can book a flight from San Diego to San Francisco (average of C$ 168). Flying from San Diego to San Francisco in March is currently the most expensive (average of C$ 352). 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
San Bruno
Burlingame
Roseville
Livermore
South San Francisco
Novato
Santa Clara
Vallejo

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Users can book flights with no change fees policies with our dedicated filters. Book flights from San Diego to San Francisco flexibly with Cheapflights today.

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