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$145+ Cheap flights from San Diego (SAN) to Costa Rica

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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SJO
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
1 adult, Economy
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Cheap flight deals from San Diego to Costa Rica

Keep the following information in mind while searching for San Diego to Costa Rica flight deals. Data was last updated julio 3, 2025.

Round-trip from

$324
(FlightHub)

One-way from

$145
(FlightHub)

Popular in

December

Cheapest in

August

Average price

$627
From San Diego to Costa Rica
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One-way flight from San Diego to Costa Rica
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Highest demand for flights based on searches. 22% potential increase in price ($187 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($53 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from San Diego to Costa Rica

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

This FlightHub deal was found by Cheapflights users on 7/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/297:00 pmSAN - SJO
2 stops15h 11mSpirit Airlines
mar. 8/512:16 pmSJO - SAN
2 stops22h 39mSpirit Airlines
Deal found 7/1$324
This Copa Airlines deal was found by Cheapflights users on 7/3. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/229:08 pmSAN - SJO
1 stop11h 50mCopa Airlines
lun. 9/298:11 amSJO - SAN
1 stop10h 39mCopa Airlines
Deal found 7/3$356
This Avianca Connect deal was found by Cheapflights users on 6/30. 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 Avianca Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/216:15 amSAN - SJO
2 stops16h 20mMultiple Airlines
sáb. 8/235:05 amSJO - SAN
2 stops13h 51mMultiple Airlines
Deal found 6/30$381
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/910:30 pmSAN - SJO
1 stop12h 40mDelta
jue. 9/251:35 pmSJO - SAN
1 stop10h 49mDelta
Deal found 7/3$382
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/97:00 amSAN - SJO
2 stops11h 37mUnited Airlines
jue. 9/251:30 pmSJO - SAN
1 stop9h 15mUnited Airlines
Deal found 7/3$386
This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/110:45 pmSAN - SJO
2 stops14h 45mAmerican Airlines
vie. 11/76:29 amSJO - SAN
1 stop11h 25mAmerican Airlines
Deal found 7/3$392
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/138:10 amSAN - LIR
2 stops21h 10mAlaska Airlines
mar. 8/194:58 pmLIR - SAN
2 stops19h 48mAlaska Airlines
Deal found 7/1$422
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/209:40 pmSAN - LIR
1 stop13h 20mDelta
vie. 10/241:25 pmLIR - SAN
1 stop10h 34mDelta
Deal found 7/3$453
This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/204:38 pmSAN - LIR
2 stops18h 07mAmerican Airlines
vie. 10/2412:45 pmLIR - SAN
1 stop10h 35mAmerican Airlines
Deal found 7/3$457
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/136:41 pmSAN - LIR
1 stop18h 42mUnited Airlines
mar. 8/191:20 pmLIR - SAN
1 stop9h 21mUnited Airlines
Deal found 7/1$553
This Gurufare deal was found by Cheapflights users on 7/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/248:30 pmSAN - LIR
1 stop15h 35mJetBlue
mar. 7/292:10 pmLIR - SAN
1 stop21h 19mJetBlue
Deal found 7/1$621

Cheapflights Fare Finder

Customize your flight search to find flights from San Diego to Costa Rica 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 julio 3, 2025.
Use the filters below to find and compare flights from San Diego to Costa Rica that are best for you.

Fly from

San Diego

Fly to

Costa Rica

Route

Depart

Return

Price

San DiegoSan José

SAN - SJO

SANSJO

San Diego

mar. 7/29

7:00 pm-11:11 am

2 stops15h 11m

San José Juan Santamaria Intl

mar. 8/5

12:16 pm-9:55 am

2 stops22h 39m

$324

San DiegoSan José

SAN - SJO

SANSJO

San Diego

lun. 9/22

9:08 pm-9:58 am

1 stop11h 50m

San José Juan Santamaria Intl

lun. 9/29

8:11 am-5:50 pm

1 stop10h 39m

$356

San DiegoSan José

SAN - SJO

SANSJO

San Diego

jue. 8/21

6:15 am-11:35 pm

2 stops16h 20m

San José Juan Santamaria Intl

sáb. 8/23

5:05 am-5:56 pm

2 stops13h 51m

$381

San DiegoSan José

SAN - SJO

SANSJO

San Diego

mar. 9/9

10:30 pm-12:10 pm

1 stop12h 40m

San José Juan Santamaria Intl

jue. 9/25

1:35 pm-11:24 pm

1 stop10h 49m

$382

San DiegoSan José

SAN - SJO

SANSJO

San Diego

mar. 9/9

7:00 am-7:37 pm

2 stops11h 37m

San José Juan Santamaria Intl

jue. 9/25

1:30 pm-9:45 pm

1 stop9h 15m

$386

San DiegoSan José

SAN - SJO

SANSJO

San Diego

sáb. 11/1

10:45 pm-2:30 pm

2 stops14h 45m

San José Juan Santamaria Intl

vie. 11/7

6:29 am-3:54 pm

1 stop11h 25m

$392

San DiegoLiberia

SAN - LIR

SANLIR

San Diego

mié. 8/13

8:10 am-6:20 am

2 stops21h 10m

Liberia

mar. 8/19

4:58 pm-11:46 am

2 stops19h 48m

$422

San DiegoLiberia

SAN - LIR

SANLIR

San Diego

lun. 10/20

9:40 pm-12:00 pm

1 stop13h 20m

Liberia

vie. 10/24

1:25 pm-10:59 pm

1 stop10h 34m

$453

San DiegoLiberia

SAN - LIR

SANLIR

San Diego

lun. 10/20

4:38 pm-11:45 am

2 stops18h 07m

Liberia

vie. 10/24

12:45 pm-10:20 pm

1 stop10h 35m

$457

San DiegoLiberia

SAN - LIR

SANLIR

San Diego

mié. 8/13

6:41 pm-2:23 pm

1 stop18h 42m

Liberia

mar. 8/19

1:20 pm-9:41 pm

1 stop9h 21m

$553

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 25 results
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Best time to book a flight from San Diego to Costa Rica

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

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

Currently, September is the cheapest month in which you can book a flight from San Diego to Costa Rica (average of $398). Flying from San Diego to Costa Rica in March is currently the most expensive (average of $555). 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 SAN to CR?

Find hourly flight availability from San Diego to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 3, 2025.

When flying from San Diego to Costa Rica, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. 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 Costa Rica. Reviews last updated julio 3, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from San Diego to Costa Rica by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

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

Food

7.1

Crew

8.5

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.
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

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.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

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
1,467 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

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
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

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 Diego to Costa Rica. 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 Diego to Costa Rica?

    Most people fly from San Diego (SAN) if they book a flight from San Diego to Costa Rica. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

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

    The cheapest airlines for a one-way flight from San Diego to Costa Rica are Spirit Airlines ($145), Copa Airlines ($165), and Delta ($175).

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

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

  • How can I find direct flights from San Diego to Costa Rica?

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

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

    Yes. Cheapflights offers flight deals from San Diego to Costa Rica 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 Diego to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from San Diego to Costa Rica (average of $398). Flying from San Diego to Costa Rica in March is currently the most expensive (average of $555). 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

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Top 7 airlines flying from San Diego to Costa Rica

Discover the top 7 airlines that operate flights from San Diego to Costa Rica. 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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$235Average$554FlexibilityNo cancel feeOn-time75%
Spirit AirlinesCheapest$280Average$385FlexibilityNo cancel feeOn-time65%
Copa AirlinesCheapest$301Average$380FlexibilityNo cancel feeOn-time70%
DeltaCheapest$384Average$620FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$454Average$607FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$483Average$704FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$487Average$606FlexibilityNo cancel feeOn-time63%

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