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$189+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — SAN
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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Cheapflights Tip: The best prices from San José Juan Santamaria Intl to San Diego are usually found in January or May, booked 65 days in advance, depart on a Thursday or Wednesday and return on a Monday

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 June 16, 2025.

Round-trip from

$302
(Copa Airlines)

One-way from

$189
(SmartFares)

Popular in

September

Cheapest in

January

Average price

$556
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. 3% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 16, 2025.

This Copa Airlines deal was found by Cheapflights users on 6/16. 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.
Fri 10/104:10 amSJO - SAN
1 stop14h 47mCopa Airlines
Sun 10/129:12 pmSAN - SJO
1 stop18h 22mCopa Airlines
Deal found 6/16$302
This eDestinos deal was found by Cheapflights users on 6/13. 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.
Wed 7/212:28 pmSJO - SAN
2 stops19h 45mSpirit Airlines
Wed 7/97:00 pmSAN - SJO
2 stops15h 11mSpirit Airlines
Deal found 6/13$326
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Fri 9/128:37 amSJO - SAN
1 stop16h 38mUnited Airlines
Tue 9/165:56 pmSAN - SJO
3 stops17h 30mUnited Airlines
Deal found 6/15$370
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Thu 10/26:00 amSJO - SAN
2 stops15h 29mAmerican Airlines
Tue 10/711:00 pmSAN - SJO
2 stops13h 00mAmerican Airlines
Deal found 6/15$385
This Booking.com deal was found by Cheapflights users on 6/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/3012:16 pmSJO - SAN
2 stops22h 39mMultiple Airlines
Wed 8/69:03 pmSAN - SJO
1 stop10h 17mMultiple Airlines
Deal found 6/15$407
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/412:50 amSJO - SAN
2 stops32h 31mAlaska Airlines
Sat 8/98:10 amSAN - SJO
2 stops14h 20mAlaska Airlines
Deal found 6/14$454
This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/178:45 amSJO - SAN
2 stops14h 05mSouthwest
Sun 6/229:55 pmSAN - SJO
2 stops20h 45mSouthwest
Deal found 6/16$588
This Cheapflightsfares deal was found by Cheapflights users on 6/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:00 pmSJO - SAN
3 stops28h 41mAvianca
Wed 10/2211:08 amSAN - SJO
2 stops11h 07mAvianca
Deal found 6/14$654

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 June 16, 2025.
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

Fri 10/10

4:10 am-5:57 pm

1 stop14h 47m

San Diego

Sun 10/12

9:12 pm-4:34 pm

1 stop18h 22m

$302

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Wed 7/2

12:28 pm-7:13 am

2 stops19h 45m

San Diego

Wed 7/9

7:00 pm-11:11 am

2 stops15h 11m

$326

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Fri 9/12

8:37 am-12:15 am

1 stop16h 38m

San Diego

Tue 9/16

5:56 pm-12:26 pm

3 stops17h 30m

$370

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Thu 10/2

6:00 am-8:29 pm

2 stops15h 29m

San Diego

Tue 10/7

11:00 pm-1:00 pm

2 stops13h 00m

$385

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Wed 7/30

12:16 pm-9:55 am

2 stops22h 39m

San Diego

Wed 8/6

9:03 pm-8:20 am

1 stop10h 17m

$407

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Mon 8/4

12:50 am-8:21 am

2 stops32h 31m

San Diego

Sat 8/9

8:10 am-11:30 pm

2 stops14h 20m

$454

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Thu 10/16

8:00 pm-11:41 pm

3 stops28h 41m

San Diego

Wed 10/22

11:08 am-11:15 pm

2 stops11h 07m

$654

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Wed 7/23

12:16 pm-9:55 am

2 stops22h 39m

$189

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Thu 8/14

8:45 am-8:38 am

1 stop24h 53m

$230

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Fri 6/27

11:15 am-11:29 pm

3 stops37h 14m

$293

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 12 results
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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, San José Province 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 June 13, 2025.

Booking 65 days in advance of your planned departure date is, on average, the best time to get cheap flights from San José, San José Province to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from San José, San José Province to San Diego (average of $286). Flying from San José, San José Province to San Diego in March is currently the most expensive (average of $366). 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 SJO to SAN?

Find hourly flight availability from San José 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 June 16, 2025.

When flying from San José, San José Province to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 25% versus a flight in the evening.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 June 16, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Copa Airlines and United Airlines from San José to San Diego to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Copa Airlines
7.5
Good
1,453 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,801 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Avianca
6.7
Okay
2,346 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Currently priced at $302, Copa Airlines will fly you from San José, San José Province to San Diego and back. In addition to Copa Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and United Airlines - these airlines can fly you to your destination from $326 and $370, respectively. These flights start at 46% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from San José, San José Province to San Diego are Spirit Airlines ($189), United Airlines ($230), and Alaska Airlines ($308).

  • 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, San José Province to San Diego?

    Currently, August is the cheapest month in which you can book a flight from San José, San José Province to San Diego (average of $286). Flying from San José, San José Province to San Diego in March is currently the most expensive (average of $366). 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 José?

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

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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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$367Average$508FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$446Average$580FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$498Average$603FlexibilityNo cancel feeOn-time63%

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