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$47+ Cheap flights from San Francisco (SFO) to Carlsbad, CA

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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LAX
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Carlsbad are usually found in January or October, booked 76 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from San Francisco to Carlsbad

Keep the following information in mind while searching for San Francisco to Carlsbad flight deals. Data was last updated September 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$77
(CheapOair)

One-way from

$47
(Cheapflightsfares)

Popular in

April

Cheapest in

January

Average price

$154
Provider with most accurate pricing for San Francisco-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Los Angeles flights.
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From San Francisco to Carlsbad
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One-way flight from San Francisco to Carlsbad
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Highest demand for flights based on searches. 9% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from San Francisco to Carlsbad

Cheapest flights from San Francisco to Carlsbad
Explore the most affordable flight options available from San Francisco to Carlsbad. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 29, 2025.

This Priceline deal was found by Cheapflights users on 9/28. 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.
Thu 11/610:23 amSFO - LAX
Nonstop1h 31mFrontier
Tue 11/116:29 pmLAX - SFO
Nonstop1h 41mFrontier
Deal found 9/28$77
This eDestinos deal was found by Cheapflights users on 9/27. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/177:55 pmSFO - LAX
Nonstop1h 31mFrontier
Mon 10/206:57 pmLAX - SFO
Nonstop1h 41mFrontier
Deal found 9/27$78
This Priceline deal was found by Cheapflights users on 9/28. 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.
Thu 10/3010:23 amSFO - LAX
Nonstop1h 31mFrontier
Mon 11/31:52 pmLAX - SFO
Nonstop1h 37mFrontier
Deal found 9/28$79
This Priceline deal was found by Cheapflights users on 9/28. 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.
Tue 10/1412:00 pmSFO - LAX
Nonstop1h 32mFrontier
Thu 10/169:23 amLAX - SFO
Nonstop1h 32mFrontier
Deal found 9/28$80
This Priceline deal was found by Cheapflights users on 9/26. 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.
Wed 10/1512:00 pmSFO - LAX
Nonstop1h 32mFrontier
Mon 10/276:57 pmLAX - SFO
Nonstop1h 41mFrontier
Deal found 9/26$81
This Faresmojo deal was found by Cheapflights users on 9/29. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:00 pmSFO - LAX
Nonstop1h 38mAlaska Airlines
Sat 10/251:26 pmLAX - SFO
Nonstop1h 34mAlaska Airlines
Deal found 9/29$82
This Priceline deal was found by Cheapflights users on 9/27. 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.
Thu 10/1612:00 pmSFO - LAX
Nonstop1h 32mFrontier
Tue 10/219:23 amLAX - SFO
Nonstop1h 32mFrontier
Deal found 9/27$83
This Trip.com deal was found by Cheapflights users on 9/27. 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.
Mon 10/137:55 pmSFO - LAX
Nonstop1h 31mFrontier
Wed 10/159:23 amLAX - SFO
Nonstop1h 32mFrontier
Deal found 9/27$84
This Priceline deal was found by Cheapflights users on 9/27. 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.
Thu 10/1612:00 pmSFO - LAX
Nonstop1h 32mFrontier
Mon 10/206:57 pmLAX - SFO
Nonstop1h 41mFrontier
Deal found 9/27$85
This Trip.com deal was found by Cheapflights users on 9/28. 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.
Sat 11/111:09 amSFO - LAX
Nonstop1h 31mMultiple Airlines
Mon 11/36:29 pmLAX - SFO
Nonstop1h 41mMultiple Airlines
Deal found 9/28$87
This Priceline deal was found by Cheapflights users on 9/29. 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.
Fri 10/316:28 pmSFO - LAX
Nonstop1h 32mFrontier
Mon 11/31:52 pmLAX - SFO
Nonstop1h 37mFrontier
Deal found 9/29$88

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Carlsbad 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 September 29, 2025.
Use the filters below to find and compare flights from San Francisco to Carlsbad that are best for you.

Fly from

San Francisco

Fly to

Carlsbad

Route

Depart

Return

Price

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Fri 10/31

9:24 pm-10:52 pm

Nonstop1h 28m

Los Angeles

Mon 11/3

12:00 pm-1:35 pm

Nonstop1h 35m

$105

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Fri 10/31

5:45 am-7:10 am

Nonstop1h 25m

Los Angeles

Sun 11/2

7:05 am-8:35 am

Nonstop1h 30m

$110

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Sat 12/27

6:00 am-7:31 am

Nonstop1h 31m

Los Angeles

Wed 12/31

10:50 pm-12:26 am

Nonstop1h 36m

$120

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Thu 10/30

7:30 am-9:00 am

Nonstop1h 30m

Los Angeles

Sun 11/2

7:05 am-8:35 am

Nonstop1h 30m

$122

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Wed 11/19

2:26 pm-7:29 pm

1 stop5h 03m

Los Angeles

Sat 11/22

9:05 pm-10:33 pm

Nonstop1h 28m

$127

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Thu 10/23

3:30 pm-4:56 pm

Nonstop1h 26m

Los Angeles

Mon 10/27

6:34 pm-7:54 pm

Nonstop1h 20m

$132

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Sat 10/18

4:10 pm-5:42 pm

Nonstop1h 32m

Los Angeles

Sun 10/19

6:00 am-7:25 am

Nonstop1h 25m

$132

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Wed 10/29

5:30 am-2:00 pm

2 stops8h 30m

Los Angeles

Sat 11/1

8:35 am-10:05 am

Nonstop1h 30m

$132

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Wed 10/22

5:30 am-12:05 pm

1 stop6h 35m

Los Angeles

Wed 10/29

4:15 pm-10:45 pm

1 stop6h 30m

$136

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Mon 10/27

6:20 am-10:50 am

1 stop4h 30m

Los Angeles

Wed 10/29

3:40 pm-9:50 pm

1 stop6h 10m

$136

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/28

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from San Francisco to Carlsbad

Have a flexible travel schedule? Discover the best time to fly to Carlsbad from San Francisco 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 to Carlsbad

How far ahead should I book a flight from San Francisco to Carlsbad?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Carlsbad. Price data was last updated on September 26, 2025.

The best time to book flights from San Francisco to Carlsbad is 75 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 Carlsbad?

Currently, January is the cheapest month in which you can book a flight from San Francisco to Carlsbad (average of $246). Flying from San Francisco to Carlsbad in March is currently the most expensive (average of $325). 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 C4D?

Find hourly flight availability from San Francisco to Carlsbad. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Carlsbad as you normally would.

What is the cheapest day to fly from San Francisco to Carlsbad?

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

Travelers seeking maximum savings on their San Francisco to Carlsbad flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Francisco to Carlsbad

Explore weekly flight availability from San Francisco to Carlsbad. 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 September 29, 2025.

The most flights from SFO to C4D are scheduled on a Sunday (175 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (112 on average).

How much does it cost to fly round-trip from San Francisco to Carlsbad?

Reviews of airlines servicing Carlsbad

Get insights into the airlines that provide service to Carlsbad. 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 Carlsbad. Reviews last updated September 29, 2025.
Read through reviews of airlines operating flights from San Francisco to Carlsbad, such as Alaska Airlines, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

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.
Delta
8.0
Very good
7,964 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

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
8,924 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

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.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

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
3,158 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

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 to Carlsbad. 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 from for flights from San Francisco to Carlsbad?

    San Francisco (SFO) is the airport you will fly out of if you book a flight from San Francisco to Carlsbad. You should not have trouble finding flights to Carlsbad from San Francisco; the airport handles an average of 141 outbound flights to Carlsbad per day. You should also have plenty of airline options to choose from since 8 airlines have flights from the San Francisco airport to Carlsbad. It is only a 11.8 mi journey to San Francisco (SFO) from San Francisco’s city center.

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

    Within the past month, 569 users have taken a look at flights from San Francisco to Carlsbad.

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

    Departing from San Francisco to Carlsbad will take you 1h 25m. There are 338 mi between San Francisco and Carlsbad. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    No one likes to see their flight delayed. When booking a flight from San Francisco to Carlsbad consider choosing China Eastern (87%), Avianca (86%) or ITA Airways (86%) as they are the most reliable in getting you off to your destination on time.

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

    Looking for the cheapest flight from San Francisco to Carlsbad? While on average our users pay $728, our data indicates the cheapest price to be $51. The most popular route (San Francisco - Los Angeles), is priced around $60.

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

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

  • How can I find direct flights from San Francisco to Carlsbad?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Carlsbad.

  • Can I find deals for business class flights from San Francisco to Carlsbad?

    Yes. Cheapflights offers flight deals from San Francisco to Carlsbad 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 Carlsbad?

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Carlsbad (average of $246). Flying from San Francisco to Carlsbad in March is currently the most expensive (average of $325). 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

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Alternative routes for San Francisco to Carlsbad

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Top 8 airlines flying from San Francisco to Carlsbad

Discover the top 8 airlines that operate flights from San Francisco to Carlsbad. 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 September 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$28Average$89FlexibilityNo cancel feeOn-time65%
FrontierCheapest$28Average$100FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$38Average$177FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$57Average$212FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$58Average$206FlexibilityNo cancel feeOn-time75%
DeltaCheapest$75Average$201FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$77Average$261FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$114Average$278FlexibilityNo cancel feeOn-time71%

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