Cheap flights from San Diego to San Francisco from C$ 54

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SFO
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from San Diego to San Francisco are usually found in January or February, booked 57 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap 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 15 September 2025.

Round-trip from

C$ 106

One-way from

C$ 54

Popular in

September

Cheapest in

January

Average price

C$ 213

Good one-way deal

C$ 125 or less
Southwest
  • Southwest
  • 9/10-12/10
  • Nonstop
  • 3h 05m total
  • San Diego to San Francisco
Alaska Airlines
  • Alaska Airlines
  • 4/11
  • Nonstop
  • 1h 53m total
  • San Diego to San Francisco
Highest demand for flights based on searches. 9% potential increase in price (C$ 24 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 6 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a one-way flight from San Diego to San Francisco.

Find flight deals from San Diego to San Francisco

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 15 September 2025.

Thu 9/108:08 p.m.SAN - SFO
Nonstop1h 40mUnited Airlines
Mon 13/106:15 a.m.SFO - SAN
Nonstop1h 41mUnited Airlines
Deal found 15/9C$ 106
Wed 5/118:10 a.m.SAN - SFO
Nonstop1h 45mSouthwest
Sat 22/119:35 p.m.SFO - SAN
Nonstop1h 30mSouthwest
Deal found 15/9C$ 120
Wed 19/111:10 p.m.SAN - SFO
Nonstop1h 47mUnited Airlines
Fri 21/116:30 a.m.SFO - SAN
Nonstop1h 36mUnited Airlines
Deal found 14/9C$ 122
Fri 3/107:28 p.m.SAN - SFO
Nonstop1h 40mUnited Airlines
Mon 6/106:15 a.m.SFO - SAN
Nonstop1h 41mUnited Airlines
Deal found 15/9C$ 134
Thu 9/109:10 a.m.SAN - SFO
Nonstop1h 51mAlaska Airlines
Sun 12/106:45 a.m.SFO - SAN
Nonstop1h 44mAlaska Airlines
Deal found 15/9C$ 135
Sat 22/117:50 p.m.SAN - SFO
Nonstop1h 41mUnited Airlines
Fri 28/116:30 a.m.SFO - SAN
Nonstop1h 36mUnited Airlines
Deal found 15/9C$ 137
Wed 15/108:00 a.m.SAN - SFO
2 stops6h 10mSouthwest
Wed 15/105:50 p.m.SFO - SAN
Nonstop1h 30mSouthwest
Deal found 15/9C$ 141
Tue 28/104:01 p.m.SAN - SFO
Nonstop1h 41mUnited Airlines
Fri 31/1010:35 p.m.SFO - SAN
Nonstop1h 38mUnited Airlines
Deal found 13/9C$ 142
Fri 24/1012:55 p.m.SAN - SFO
Nonstop1h 45mSouthwest
Sun 26/108:30 p.m.SFO - SAN
1 stop12h 25mSouthwest
Deal found 15/9C$ 144
Fri 7/116:15 a.m.SAN - SFO
Nonstop1h 47mUnited Airlines
Tue 11/1110:35 p.m.SFO - SAN
Nonstop1h 38mUnited Airlines
Deal found 14/9C$ 148
Sat 27/94:59 p.m.SAN - SFO
Nonstop1h 43mAlaska Airlines
Sat 27/99:59 p.m.SFO - SAN
Nonstop1h 45mAlaska Airlines
Deal found 14/9C$ 153

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 15 September 2025.
Use the filters below to find and compare flights from San Diego to San Francisco that are best for you.

Fly from

San Diego

Fly to

San Francisco

Route

Depart

Return

Price

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Wed 12/11

8:08 p.m.-10:01 p.m.

Nonstop1h 53m

San Francisco

Sun 16/11

7:00 a.m.-8:40 a.m.

Nonstop1h 40m

C$ 106

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 24/10

7:28 p.m.-9:08 p.m.

Nonstop1h 40m

San Francisco

Sun 26/10

6:30 a.m.-8:06 a.m.

Nonstop1h 36m

C$ 106

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 9/10

5:55 p.m.-7:30 p.m.

Nonstop1h 35m

San Francisco

Sun 12/10

6:30 a.m.-8:00 a.m.

Nonstop1h 30m

C$ 106

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 9/10

8:08 p.m.-9:48 p.m.

Nonstop1h 40m

San Francisco

Mon 13/10

6:15 a.m.-7:56 a.m.

Nonstop1h 41m

C$ 106

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 16/10

4:00 p.m.-5:45 p.m.

Nonstop1h 45m

San Francisco

Wed 22/10

10:26 a.m.-12:16 p.m.

Nonstop1h 50m

C$ 134

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 16/10

2:55 p.m.-4:30 p.m.

Nonstop1h 35m

San Francisco

Sat 18/10

4:35 p.m.-9:00 p.m.

1 stop4h 25m

C$ 134

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 25/10

9:30 a.m.-11:05 a.m.

Nonstop1h 35m

San Francisco

Mon 27/10

4:50 p.m.-11:05 p.m.

1 stop6h 15m

C$ 134

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Wed 5/11

7:40 p.m.-9:20 p.m.

Nonstop1h 40m

San Francisco

Sat 22/11

4:35 p.m.-11:25 p.m.

1 stop6h 50m

C$ 134

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Wed 22/10

3:20 p.m.-10:45 p.m.

1 stop7h 25m

San Francisco

Thu 23/10

3:10 p.m.-4:40 p.m.

Nonstop1h 30m

C$ 134

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 18/10

11:40 a.m.-1:30 p.m.

Nonstop1h 50m

San Francisco

Thu 6/11

5:00 a.m.-9:45 a.m.

1 stop4h 45m

C$ 134

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 21 results
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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 12 September 2025.

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 51 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, January is the cheapest month in which you can book a flight from San Diego to San Francisco (average of C$ 276). Flying from San Diego to San Francisco in December 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 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 15 September 2025.

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 evening, which can drop the price by up to 85% versus a flight in the morning.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 Francisco. Reviews last updated 15 September 2025.
See what other customers who have flown with Hawaiian Airlines and Frontier from San Diego to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.7

Entertainment

7.1

Food

7.0

Overall

7.8

Crew

8.5

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

Comfort

7.7

Entertainment

7.1

Food

7.0

Overall

7.8

Crew

8.5

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

Comfort

7.7

Entertainment

7.1

Food

7.0

Overall

7.8

Crew

8.5

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 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.
  • What airports do I use to fly from San Diego to San Francisco?

    You will need to book a flight from San Diego to San Francisco if you want to fly from San Diego to San Francisco. At least 2 different airlines have flights from San Diego (SAN) to San Francisco (SFO) on a regular basis. There are 77 flights to San Francisco from the San Diego airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SAN to SFO to be around 2h 02m.

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

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

    Airlines like Alaska Airlines, United Airlines, and Southwest fly from San Diego to San Francisco in about 1h 35m. The time it takes to get you to your destination is usually consistent. The distance between San Diego and San Francisco is about 718 km. Generally, flights for this route are direct.

  • What are the cheapest airlines flying from San Diego to San Francisco round-trip?

    Cheapflights users have booked flights from San Diego to San Francisco round-trip from C$ 50. Another airline that can offer you cheap pricing is Frontier. Users have found that Hawaiian Airlines is 71% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Diego to San Francisco one-way?

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at C$ 54. United Airlines flights start at C$ 54 while deals on Southwest start at C$ 54 one-way.

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

    Consider Iberia (88%), Lufthansa (87%) or Qantas Airways (82%) 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$ 161, our data shows the cheapest flight currently is C$ 74. When looking at the most popular route, (San Diego - San Francisco), you can expect to pay C$ 243 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, January is the cheapest month in which you can book a flight from San Diego to San Francisco (average of C$ 276). Flying from San Diego to San Francisco in December 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 Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Richmond
Newark
Alameda
Redwood City
Burlingame
San Bruno
South San Francisco
Scotts Valley
Belmont
Novato
Millbrae
Santa Clara
Vallejo

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from San Diego to San Francisco

Discover the top 2 airlines that operate flights from San Diego to San Francisco. 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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapestC$ 50AverageC$ 159FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
FrontierCheapestC$ 80AverageC$ 123FlexibilityNo cancel feeOn-time62%
Search Frontier flights

Fly with Cheapflights

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How does Cheapflights help users find flights from San Diego to San Francisco?

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Why should you use Cheapflights to find cheap flight tickets from San Diego to San Francisco?

Millions of users choose and trust Cheapflights to book the best flight deals from San Diego to San Francisco 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 Diego to San Francisco with no change fees?

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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