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Cheap flights from San Francisco to San Diego from ₹ 5,321

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAN
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from San Francisco to San Diego are usually found in January or February, booked 72 days in advance, depart on a Tuesday or Thursday and return on a Friday

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 12 December 2025.

Wed 31/1207:00SFO - SAN
Nonstop1h 51mAlaska Airlines
Wed 7/120:59SAN - SFO
Nonstop1h 48mAlaska Airlines
Deal found 10/12₹ 13,258
Tue 16/1208:09SFO - SAN
Nonstop1h 37mAlaska Airlines
Sat 10/120:59SAN - SFO
Nonstop1h 48mAlaska Airlines
Deal found 11/12₹ 15,513
Wed 17/1208:09SFO - SAN
Nonstop1h 37mAlaska Airlines
Wed 17/1219:59SAN - SFO
Nonstop1h 47mAlaska Airlines
Deal found 10/12₹ 16,866
Wed 31/1217:05SFO - SAN
Nonstop1h 36mAlaska Airlines
Tue 6/122:19SAN - SFO
1 stop10h 28mAlaska Airlines
Deal found 10/12₹ 17,227
Fri 12/1205:50SFO - SAN
Nonstop1h 30mSouthwest
Thu 15/108:45SAN - SFO
Nonstop1h 45mSouthwest
Deal found 10/12₹ 17,317
Wed 31/1218:50SFO - SAN
1 stop4h 47mUnited Airlines
Tue 6/119:52SAN - SFO
Nonstop1h 47mUnited Airlines
Deal found 9/12₹ 17,768
Tue 16/1206:00SFO - SAN
1 stop3h 16mDelta
Sat 10/109:45SAN - SFO
1 stop6h 24mDelta
Deal found 11/12₹ 18,219
Wed 31/1207:45SFO - SAN
Nonstop1h 30mSouthwest
Sun 4/106:30SAN - SFO
Nonstop1h 45mSouthwest
Deal found 10/12₹ 18,309
Tue 16/1208:09SFO - SAN
Nonstop1h 37mAlaska Airlines
Wed 17/1219:59SAN - SFO
Nonstop1h 47mAlaska Airlines
Deal found 10/12₹ 18,670
Tue 30/1222:45SFO - SAN
Nonstop1h 30mUnited Airlines
Wed 31/1220:45SAN - SFO
1 stop3h 41mUnited Airlines
Deal found 9/12₹ 18,760
Wed 17/1205:05SFO - SAN
1 stop5h 10mSouthwest
Wed 17/1215:15SAN - SFO
1 stop6h 35mSouthwest
Deal found 10/12₹ 19,482

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 12 December 2025.

Round-trip from

₹ 10,011

One-way from

₹ 5,321

Popular in

November

Cheapest in

January

Average price

₹ 17,588

Good one-way deal

₹ 11,607 or less
Alaska Airlines
  • Alaska Airlines
  • 7/1-7/1
  • Nonstop
  • 3h 22m total
  • San Francisco to San Diego
Search Deals
Southwest
  • Southwest
  • 10/1
  • Nonstop
  • 1h 30m total
  • San Francisco to San Diego
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (₹ 279,286 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (₹ 36,749 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a one-way flight from San Francisco to San Diego.
Search Deals

Cheapflights Fare Finder

 
Customise 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 454,620 searches. Data last updated 12 December 2025.
Use the filters below to find and compare flights from San Francisco to San Diego that are best for you.

Fly from

San Francisco

Fly to

San Diego

Route

Depart

Return

Price

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 7/1

17:02-18:36

Nonstop1h 34m

San Diego

Wed 7/1

20:59-22:47

Nonstop1h 48m

₹ 10,011

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 11/2

10:12-11:45

Nonstop1h 33m

San Diego

Wed 18/2

08:00-09:55

Nonstop1h 55m

₹ 10,553

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 10/1

06:20-07:50

Nonstop1h 30m

San Diego

Mon 12/1

19:30-21:15

Nonstop1h 45m

₹ 11,905

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 22/1

13:13-14:52

Nonstop1h 39m

San Diego

Wed 28/1

06:15-08:00

Nonstop1h 45m

₹ 11,905

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 23/1

07:00-08:37

Nonstop1h 37m

San Diego

Tue 27/1

09:55-11:44

Nonstop1h 49m

₹ 11,905

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sun 18/1

07:00-08:35

Nonstop1h 35m

San Diego

Wed 21/1

12:15-14:02

Nonstop1h 47m

₹ 11,905

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 30/1

10:12-11:51

Nonstop1h 39m

San Diego

Tue 3/2

17:17-18:59

Nonstop1h 42m

₹ 11,905

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 14/2

18:50-23:40

1 stop4h 50m

San Diego

Wed 18/2

17:55-19:42

Nonstop1h 47m

₹ 12,356

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Mon 5/1

08:20-10:04

Nonstop1h 44m

San Diego

Wed 14/1

14:51-16:32

Nonstop1h 41m

₹ 12,356

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 17/1

17:15-18:45

Nonstop1h 30m

San Diego

Sun 18/1

06:50-11:50

1 stop5h 00m

₹ 12,807

Flights are sorted by cheapest return flights first.

Deals found on 12/12

Showing 1-10 of 21 results
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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 return 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?

Use this chart to determine the optimal time to book a return flight from San Francisco to San Diego. Price data was last updated on 5 December 2025.

The best time to book flights from San Francisco to San Diego is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, December is the cheapest month in which you can book a flight from San Francisco to San Diego (average of ₹ 2,074). Flying from San Francisco to San Diego in September is currently the most expensive (average of ₹ 5,772). 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 12 December 2025.

One of the essential ways to save on airfare from San Francisco to San Diego is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 62% on airfare.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 Diego. Reviews last updated 12 December 2025.
See what other customers who have flown with Southwest and United Airlines from San Francisco to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,253 reviews
Check prices

Comfort

8.0

Food

7.0

Boarding

8.1

Overall

7.9

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Southwest
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews
Check prices

Comfort

8.0

Food

7.0

Boarding

8.1

Overall

7.9

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
United Airlines
7.4
Good
9,093 reviews
Southwest
7.9
Good
4,253 reviews
Check prices

Comfort

8.0

Food

7.0

Boarding

8.1

Overall

7.9

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

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.

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

    To fly from San Francisco to San Diego, you need to book a flight from San Francisco (SFO) to San Diego (SAN). Nonstop flights to San Diego from San Francisco take 1h 39m on average. When it comes time to book airfare, you have a few options: there are 71 outbound flights from San Francisco to San Diego offered by 2 different airlines.

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

    This flight path from San Francisco to San Diego was viewed by 29 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 Francisco to San Diego?

    A quick flight from San Francisco to San Diego can take about 1h 30m. Alaska Airlines provides one of the quickest options available for as low as ₹ 11,905. The distance from San Francisco to San Diego is about 718 km. All flights are typically direct.

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

    Currently priced at ₹ 5,105, Southwest will fly you from San Francisco to San Diego and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as ₹ 11,590. You may be able to fly from San Francisco to San Diego for 63% less than the average price by searching for these airlines.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as ₹ 1,712. Users have also found prices from ₹ 2,811 and ₹ 3,064 on Alaska Airlines and Hawaiian Airlines, respectively.

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

    The top 3 most reliable airlines when flying from San Francisco to San Diego are Frontier (80%), Horizon Air (77%) and Air China (77%).

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

    Looking for the cheapest flight from San Francisco to San Diego? While on average our users pay ₹ 13,322, our data indicates the cheapest price to be ₹ 3,455. The most popular route (San Francisco - San Diego), is priced around ₹ 17,588.

  • 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 holiday 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, December is the cheapest month in which you can book a flight from San Francisco to San Diego (average of ₹ 2,074). Flying from San Francisco to San Diego in September is currently the most expensive (average of ₹ 5,772). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from San Francisco to San Diego

Discover the top 2 airlines that operate flights from San Francisco to San Diego. 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 454,620 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest₹ 5,105Average₹ 8,713FlexibilityNo cancel feeOn-time63%
Search Southwest flights
United AirlinesCheapest₹ 14,158Average₹ 23,266FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

When you search for this flight from San Francisco to San Diego, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Francisco to San Diego.

Can Cheapflights find flights from San Francisco to San Diego with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Francisco to San Diego, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from San Francisco to San Diego become cheaper?

Yes! Start tracking prices for San Francisco to San Diego flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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