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$180+ Cheap flights from San José (SJO) 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — SAN
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap flight deals from San José to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) 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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$310
(Copa Airlines)

One-way from

$180
(United Airlines)

Popular in

April

Cheapest in

February

Average price

$305
Provider with most accurate pricing for San José Juan Santamaria Intl-San Diego flight deals.
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Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-San Diego flights.
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From San José Juan Santamaria Intl to San Diego
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One-way flight from San José Juan Santamaria Intl to San Diego
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Highest demand for flights based on searches. 19% potential increase in price ($102 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from San José to San Diego

Cheapest flights from San José to San Diego
Explore the most affordable flight options available from San José to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

This Copa Airlines deal was found by Cheapflights users on 1/14. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/28:11 am
SJO
-
SAN
1 stop11h 02m
Copa Airlines
Fri 2/68:17 pm
SAN
-
SJO
1 stop10h 49m
Copa Airlines
Deal found 1/14$310
This United Airlines deal was found by Cheapflights users on 1/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/222:20 pm
SJO
-
SAN
1 stop9h 36m
United Airlines
Mon 1/268:37 pm
SAN
-
SJO
2 stops22h 02m
United Airlines
Deal found 1/14$313
This Copa Airlines deal was found by Cheapflights users on 1/14. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/15:50 am
SJO
-
SAN
1 stop13h 23m
Copa Airlines
Sun 2/88:17 pm
SAN
-
SJO
2 stops18h 29m
Copa Airlines
Deal found 1/14$315
This Copa Airlines deal was found by Cheapflights users on 1/14. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1110:05 am
SJO
-
SAN
1 stop9h 25m
Copa Airlines
Fri 5/159:13 pm
SAN
-
SJO
1 stop11h 47m
Copa Airlines
Deal found 1/14$321
This United Airlines deal was found by Cheapflights users on 1/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/171:05 pm
SJO
-
SAN
2 stops31h 43m
United Airlines
Sun 3/225:50 pm
SAN
-
SJO
1 stop22h 26m
United Airlines
Deal found 1/14$324
This United Airlines deal was found by Cheapflights users on 1/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/236:30 am
SJO
-
SAN
2 stops15h 24m
United Airlines
Mon 1/268:37 pm
SAN
-
SJO
2 stops22h 02m
United Airlines
Deal found 1/14$326
This United Airlines deal was found by Cheapflights users on 1/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:45 am
SJO
-
SAN
1 stop16h 44m
United Airlines
Thu 4/306:15 am
SAN
-
SJO
1 stop12h 22m
United Airlines
Deal found 1/14$333
This United Airlines deal was found by Cheapflights users on 1/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/258:45 am
SJO
-
SAN
1 stop11h 51m
United Airlines
Wed 1/2812:49 pm
SAN
-
SJO
1 stop17h 43m
United Airlines
Deal found 1/14$334
This United Airlines deal was found by Cheapflights users on 1/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2012:30 am
SJO
-
SAN
2 stops12h 16m
United Airlines
Tue 7/287:44 pm
SAN
-
SJO
2 stops13h 27m
United Airlines
Deal found 1/14$338
This American Airlines deal was found by Cheapflights users on 1/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:35 pm
SJO
-
SAN
1 stop23h 25m
American Airlines
Sat 5/912:53 pm
SAN
-
SJO
1 stop21h 14m
American Airlines
Deal found 1/15$341
This United Airlines deal was found by Cheapflights users on 1/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/198:40 am
SJO
-
SAN
1 stop16h 34m
United Airlines
Sun 3/225:50 pm
SAN
-
SJO
1 stop22h 26m
United Airlines
Deal found 1/15$345
This American Airlines deal was found by Cheapflights users on 1/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1912:35 am
SJO
-
SAN
1 stop10h 04m
American Airlines
Tue 2/246:20 am
SAN
-
SJO
1 stop11h 52m
American Airlines
Deal found 1/14$346

Cheapflights Fare Finder

 
Customize your flight search to find flights from San José 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 January 15, 2026.
Use the filters below to find and compare flights from San José to San Diego that are best for you.

Fly from

San José

Fly to

San Diego

Route

Depart

Return

Price

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Sun 2/1

5:50 am-5:13 pm

1 stop13h 23m

San Diego

Sun 2/8

8:17 pm-1:53 pm

1 stop15h 36m

$310

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Fri 2/13

10:08 am-5:13 pm

1 stop9h 05m

San Diego

Sun 2/15

8:17 pm-8:21 am

1 stop10h 04m

$310

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Fri 2/20

10:08 am-5:13 pm

1 stop9h 05m

San Diego

Sun 2/22

8:17 pm-8:21 am

1 stop10h 04m

$310

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Mon 2/2

8:48 am-5:13 pm

1 stop10h 25m

San Diego

Fri 2/6

8:17 pm-10:00 am

1 stop11h 43m

$310

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Wed 2/25

8:48 am-5:13 pm

1 stop10h 25m

San Diego

Fri 3/6

8:18 pm-9:05 am

1 stop10h 47m

$310

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Thu 1/29

8:45 am-11:42 pm

2 stops16h 57m

San Diego

Sun 2/1

7:45 am-8:32 am

1 stop22h 47m

$313

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Mon 1/26

8:45 am-6:36 pm

1 stop11h 51m

San Diego

Wed 1/28

4:00 pm-8:32 am

1 stop14h 32m

$313

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Wed 1/28

8:45 am-8:49 pm

2 stops14h 04m

San Diego

Sat 1/31

4:00 pm-12:56 pm

2 stops18h 56m

$313

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Mon 1/26

2:20 pm-9:56 pm

1 stop9h 36m

San Diego

Thu 1/29

6:00 pm-8:32 am

1 stop12h 32m

$313

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Mon 3/9

11:35 am-4:38 pm

1 stop30h 03m

$180

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 15 results
1
2

Compare providers for flights from San José to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San José to San Diego in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San José-San Diego flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San José-San Diego flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San José-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San José-San Diego flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San José-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San José to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from San José 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 José to San Diego

How far ahead should I book a flight from San José to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from San José to San Diego. Price data was last updated on January 9, 2026.

To ensure you get the cheapest price possible for a flight from San José to San Diego, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from San José to San Diego (average of $215). Flying from San José to San Diego in June is currently the most expensive (average of $327). 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.

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 January 15, 2026.
Get a feel of what it's like to fly with Copa Airlines, United Airlines, and American Airlines from San José to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.6
Good
1,559 reviews

Boarding

7.8

Crew

8.1

Food

6.8

Entertainment

6.8

Comfort

7.4

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Maria,Dec 2025

PTY - SLA

Old plain no entertainment , no outlet for cell or computer! And online they said you have all that! Almost 6 hrs looking to the floor..terrible expirencw and I pay a lot of money for it
Copa Airlines
7.6
Good
1,559 reviews
Copa Airlines
7.6
Good
1,559 reviews

Boarding

7.8

Crew

8.1

Food

6.8

Entertainment

6.8

Comfort

7.4

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Maria,Dec 2025

PTY - SLA

Old plain no entertainment , no outlet for cell or computer! And online they said you have all that! Almost 6 hrs looking to the floor..terrible expirencw and I pay a lot of money for it
United Airlines
7.4
Good
9,164 reviews
Copa Airlines
7.6
Good
1,559 reviews

Boarding

7.8

Crew

8.1

Food

6.8

Entertainment

6.8

Comfort

7.4

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Maria,Dec 2025

PTY - SLA

Old plain no entertainment , no outlet for cell or computer! And online they said you have all that! Almost 6 hrs looking to the floor..terrible expirencw and I pay a lot of money for it
American Airlines
7.2
Good
11,136 reviews
Copa Airlines
7.6
Good
1,559 reviews

Boarding

7.8

Crew

8.1

Food

6.8

Entertainment

6.8

Comfort

7.4

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Maria,Dec 2025

PTY - SLA

Old plain no entertainment , no outlet for cell or computer! And online they said you have all that! Almost 6 hrs looking to the floor..terrible expirencw and I pay a lot of money for it

Related info for your journey

Find useful and relevant information for your journey from San José to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    A quick flight from San José to San Diego can take about 13h 23m. Copa Airlines provides one of the quickest options available for as low as $310. Airlines will cover a distance of 2619 mi.

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

    According to our current data, Copa Airlines ($272), United Airlines ($296), and American Airlines ($371) offers the cheapest pricing from San José to San Diego. You may be able to fly from San José to San Diego for 36% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $166 on Southwest. Other airlines that offer cheap prices include Copa Airlines from $167 and United Airlines from $169 one-way.

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

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

  • How can I find direct flights from San José 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 José to San Diego.

  • Can I find deals for business class flights from San José to San Diego?

    Yes. Cheapflights offers flight deals from San José 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 José to San Diego?

    Currently, August is the cheapest month in which you can book a flight from San José to San Diego (average of $215). Flying from San José to San Diego in June is currently the most expensive (average of $327). 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
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

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Alternative routes for San José to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from San José to San Diego

Discover the top 3 airlines that operate flights from San José 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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$272Average$348FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$296Average$509FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$371Average$502FlexibilityNo cancel feeOn-time71%

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