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$39+ Cheap flights from San Francisco Bay Area to San Diego (SAN)

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAN
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheap flight deals from San Francisco Bay Area to San Diego

Keep the following information in mind while searching for San Francisco Bay Area to San Diego flight deals. Data was last updated November 3, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$77
(Alaska Airlines)

One-way from

$39
(Alaska Airlines)

Popular in

September

Cheapest in

January

Average price

$156
Provider with most accurate pricing for San Francisco-San Diego flight deals.
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Provider most trusted by Cheapflights users for San Francisco-San Diego flights.
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From San Francisco Bay Area to San Diego
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One-way flight from San Francisco Bay Area to San Diego
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Highest demand for flights based on searches. 13% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from San Francisco Bay Area to San Diego

Cheapest flights from San Francisco Bay Area to San Diego
Explore the most affordable flight options available from San Francisco Bay Area to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:00 amSFO - SAN
Nonstop1h 39mAlaska Airlines
Tue 12/98:59 pmSAN - SFO
Nonstop1h 49mAlaska Airlines
Deal found 11/2$77
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/259:03 amSFO - SAN
Nonstop1h 45mFrontier
Thu 11/2711:43 amSAN - SFO
Nonstop1h 56mFrontier
Deal found 11/2$81
This CheapOair deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/122:13 pmSFO - SAN
Nonstop1h 39mFrontier
Sun 12/148:10 pmSAN - SFO
Nonstop1h 53mFrontier
Deal found 11/2$82
This Frontier deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/249:03 amSFO - SAN
Nonstop1h 45mFrontier
Thu 11/2711:43 amSAN - SFO
Nonstop1h 56mFrontier
Deal found 11/1$83
This Frontier deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:30 amSFO - SAN
1 stop12h 45mFrontier
Mon 12/88:10 pmSAN - SFO
Nonstop1h 53mFrontier
Deal found 11/2$84
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:03 amSFO - SAN
Nonstop1h 45mFrontier
Sun 11/2311:43 amSAN - SFO
Nonstop1h 56mFrontier
Deal found 11/1$85
This Mytrip deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/182:13 pmSFO - SAN
Nonstop1h 39mFrontier
Thu 12/258:10 pmSAN - SFO
Nonstop1h 53mFrontier
Deal found 11/3$86
This CheapOair deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:03 amSFO - SAN
Nonstop1h 45mFrontier
Thu 11/2711:43 amSAN - SFO
Nonstop1h 56mFrontier
Deal found 11/2$87
This Priceline deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/173:09 pmSFO - SAN
Nonstop1h 43mFrontier
Tue 11/181:37 pmSAN - SFO
1 stop8h 50mFrontier
Deal found 11/2$88
This Trip.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:00 amSFO - SAN
Nonstop1h 39mAlaska Airlines
Mon 12/89:59 pmSAN - SFO
Nonstop1h 49mAlaska Airlines
Deal found 11/2$89
This Mytrip deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/72:13 pmSFO - SAN
Nonstop1h 39mFrontier
Mon 12/86:34 amSAN - SFO
1 stop17h 50mFrontier
Deal found 11/2$90
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:14 pmSFO - SAN
Nonstop1h 43mFrontier
Mon 11/1712:12 pmSAN - SFO
Nonstop1h 52mFrontier
Deal found 11/1$91

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco Bay Area 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 2,558,603 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to San Diego that are best for you.

Fly from

San Francisco Bay Area

Fly to

San Diego

Route

Depart

Return

Price

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 12/3

7:00 am-8:39 am

Nonstop1h 39m

San Diego

Fri 12/5

6:15 am-8:06 am

Nonstop1h 51m

$77

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Sat 12/13

6:10 am-7:45 am

Nonstop1h 35m

San Diego

Mon 12/15

7:40 pm-9:20 pm

Nonstop1h 40m

$77

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Tue 12/16

6:40 pm-8:04 pm

Nonstop1h 24m

San Diego

Sat 1/10

10:35 am-12:09 pm

Nonstop1h 34m

$97

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 12/4

7:00 am-8:39 am

Nonstop1h 39m

San Diego

Mon 12/8

9:59 pm-11:48 pm

Nonstop1h 49m

$97

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Wed 12/17

7:30 pm-8:50 pm

Nonstop1h 20m

San Diego

Wed 12/24

4:50 pm-9:25 pm

1 stop4h 35m

$107

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 12/3

2:15 pm-10:25 pm

1 stop8h 10m

San Diego

Thu 12/4

7:40 pm-9:20 pm

Nonstop1h 40m

$107

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Sat 12/6

5:15 pm-6:40 pm

Nonstop1h 25m

San Diego

Sun 12/7

6:30 am-8:05 am

Nonstop1h 35m

$117

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Sat 12/13

6:40 pm-8:04 pm

Nonstop1h 24m

San Diego

Tue 12/16

10:22 am-11:58 am

Nonstop1h 36m

$117

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Mon 1/26

10:29 am-12:00 pm

Nonstop1h 31m

San Diego

Wed 1/28

8:06 am-9:50 am

Nonstop1h 44m

$117

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Thu 1/8

12:46 pm-2:11 pm

Nonstop1h 25m

San Diego

Sat 1/10

10:35 am-12:09 pm

Nonstop1h 34m

$117

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 60 results
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Best time to book a flight from San Francisco Bay Area to San Diego

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

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

Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to San Diego (average of $28). Flying from San Francisco Bay Area to San Diego in September is currently the most expensive (average of $64). 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 XIH to SAN?

Find hourly flight availability from San Francisco Bay Area 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 November 3, 2025.

It’s typically best to fly out from San Francisco Bay Area to San Diego in the afternoon. Doing so could potentially save you 17% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from San Francisco Bay Area to San Diego?

Use this chart to determine the cheapest time to fly round-trip from San Francisco Bay Area to San Diego. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Francisco Bay Area to San Diego flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Francisco Bay Area to San Diego

Explore weekly flight availability from San Francisco Bay Area to San Diego. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 3, 2025.

The most flights from zzXIH to SAN are scheduled on a Monday (76 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (37 on average).

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 November 3, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and United Airlines from San Francisco Bay Area to San Diego. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,234 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Alaska Airlines
8.0
Very good
11,234 reviews
Alaska Airlines
8.0
Very good
11,234 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
11,234 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
United Airlines
7.4
Good
8,996 reviews
Alaska Airlines
8.0
Very good
11,234 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Spirit Airlines
6.3
Okay
8,111 reviews
Alaska Airlines
8.0
Very good
11,234 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Frontier
5.8
Fair
3,117 reviews
Alaska Airlines
8.0
Very good
11,234 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.

Related info for your journey

Find useful and relevant information for your journey from San Francisco Bay Area 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 airport do you fly into for flights to San Diego from San Francisco Bay Area?

    San Diego (SAN), located 2.6 mi from the city center, is the airport you fly into when you book flights from San Francisco Bay Area to San Diego.

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

    This flight path from San Francisco Bay Area to San Diego was viewed by 174 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 Bay Area to San Diego?

    Airlines like Alaska Airlines, Southwest, and American Airlines fly from San Francisco Bay Area to San Diego in about 1h 35m. The time it takes to get you to your destination can typically vary by up to 4h. The distance between San Francisco Bay Area and San Diego is about 446 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $39. Users have also found prices from $49 and $59 on Alaska Airlines and Southwest, respectively.

  • What are the most popular routes from San Francisco Bay Area to San Diego?

    Most travelers choose San Francisco - San Diego, San Jose - San Diego or Oakland - San Diego when deciding on the best route from San Francisco Bay Area to San Diego.

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

    Consider Air China (88%), Frontier (88%) or Virgin Australia (81%) when booking your flight. These represent the most reliable airlines when flying from San Francisco Bay Area to San Diego.

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

    Looking for the cheapest flight from San Francisco Bay Area to San Diego? While on average our users pay $413, our data indicates the cheapest price to be $38. The most popular route (San Francisco - San Diego), is priced around $58.

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

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

  • How can I find direct flights from San Francisco Bay Area 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 Bay Area to San Diego.

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

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

    Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to San Diego (average of $28). Flying from San Francisco Bay Area to San Diego in September is currently the most expensive (average of $64). 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

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
La Mesa
Poway
Lemon Grove
National City

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Alternative routes for San Francisco Bay Area to San Diego

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Top 8 airlines flying from San Francisco Bay Area to San Diego

Discover the top 8 airlines that operate flights from San Francisco Bay Area 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 2,558,603 searches. Data last updated November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$28Average$100FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$29Average$112FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$38Average$199FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$57Average$176FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$58Average$216FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$77Average$204FlexibilityNo cancel feeOn-time63%
DeltaCheapest$98Average$196FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$182Average$356FlexibilityNo cancel feeOn-time71%

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