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$141+ 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SJO
Jun 19 — Jun 261
Thu 6/19
Thu 6/26
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 June 14, 2025.

Round-trip from

$308
(Copa Airlines)

One-way from

$141
(Copa Airlines)

Popular in

December

Cheapest in

August

Average price

$626
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. 21% potential increase in price ($183 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 June 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 June 14, 2025.

This Copa Airlines 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:12 pmSAN - SJO
1 stop11h 51mCopa Airlines
Fri 11/78:44 amSJO - SAN
1 stop10h 19mCopa Airlines
Deal found 6/13$308
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/117:00 pmSAN - SJO
2 stops15h 11mSpirit Airlines
Fri 7/1812:16 pmSJO - SAN
2 stops22h 39mSpirit Airlines
Deal found 6/13$335
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2810:30 pmSAN - LIR
1 stop12h 30mDelta
Thu 8/141:25 pmLIR - SAN
1 stop10h 56mDelta
Deal found 6/13$395
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.
Tue 8/55:35 pmSAN - LIR
2 stops11h 45mAlaska Airlines
Tue 8/124:58 pmLIR - SAN
2 stops26h 38mAlaska Airlines
Deal found 6/14$399
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/110:45 pmSAN - SJO
1 stop20h 17mAmerican Airlines
Fri 11/78:05 amSJO - SAN
1 stop16h 18mAmerican Airlines
Deal found 6/14$412
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/16:15 amSAN - SJO
2 stops28h 02mMultiple Airlines
Tue 7/85:30 amSJO - SAN
3 stops29h 25mMultiple Airlines
Deal found 6/14$423
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/110:15 amSAN - SJO
1 stop8h 22mUnited Airlines
Wed 10/81:30 pmSJO - SAN
2 stops11h 11mUnited Airlines
Deal found 6/13$426
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.
Thu 7/318:10 amSAN - SJO
2 stops14h 20mAlaska Airlines
Tue 8/1212:50 amSJO - SAN
2 stops32h 31mAlaska Airlines
Deal found 6/14$536
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1110:45 pmSAN - LIR
1 stop12h 04mAmerican Airlines
Fri 9/192:02 pmLIR - SAN
1 stop19h 22mAmerican Airlines
Deal found 6/14$539
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/128:55 pmSAN - LIR
1 stop13h 40mSouthwest
Fri 7/182:10 pmLIR - SAN
1 stop10h 00mSouthwest
Deal found 6/14$541
This JetBlue deal was found by Cheapflights users on 6/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:40 pmSAN - LIR
1 stop15h 05mJetBlue
Sat 9/202:05 pmLIR - SAN
1 stop19h 55mJetBlue
Deal found 6/12$545
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/208:35 pmSAN - SJO
2 stops13h 25mSouthwest
Wed 6/251:40 pmSJO - SAN
2 stops18h 55mSouthwest
Deal found 6/14$576

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 June 14, 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

Fri 10/31

9:12 pm-10:03 am

1 stop11h 51m

San José Juan Santamaria Intl

Fri 11/7

8:44 am-5:03 pm

1 stop10h 19m

$308

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Fri 7/11

7:00 pm-11:11 am

2 stops15h 11m

San José Juan Santamaria Intl

Fri 7/18

12:16 pm-9:55 am

2 stops22h 39m

$335

San DiegoLiberia

SAN - LIR

SANLIR

San Diego

Mon 7/28

10:30 pm-12:00 pm

1 stop12h 30m

Liberia

Fri 8/15

1:25 pm-11:21 pm

1 stop10h 56m

$395

San DiegoLiberia

SAN - LIR

SANLIR

San Diego

Tue 8/5

5:35 pm-6:20 am

2 stops11h 45m

Liberia

Tue 8/12

4:58 pm-6:36 pm

2 stops26h 38m

$399

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Sat 11/1

10:45 pm-8:02 pm

1 stop20h 17m

San José Juan Santamaria Intl

Fri 11/7

8:05 am-10:23 pm

1 stop16h 18m

$412

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Tue 7/1

6:15 am-11:17 am

2 stops28h 02m

San José Juan Santamaria Intl

Tue 7/8

5:30 am-9:55 am

3 stops29h 25m

$423

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Wed 10/1

10:15 am-7:37 pm

1 stop8h 22m

San José Juan Santamaria Intl

Wed 10/8

1:30 pm-11:41 pm

2 stops11h 11m

$426

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Thu 7/31

8:10 am-11:30 pm

2 stops14h 20m

San José Juan Santamaria Intl

Tue 8/12

12:50 am-8:21 am

2 stops32h 31m

$536

San DiegoLiberia

SAN - LIR

SANLIR

San Diego

Thu 9/11

10:45 pm-11:49 am

1 stop12h 04m

Liberia

Fri 9/19

2:02 pm-8:24 am

1 stop19h 22m

$539

San DiegoLiberia

SAN - LIR

SANLIR

San Diego

Sat 7/12

8:55 pm-11:35 am

1 stop13h 40m

Liberia

Fri 7/18

2:10 pm-11:10 pm

1 stop10h 00m

$541

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 30 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 June 14, 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.

Rainfall in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Costa Rica ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit Costa Rica when rainfall is around 0.0 in.

Temperature in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Costa Rica, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

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 June 14, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from San Diego to Costa Rica to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

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

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

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
4,283 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

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
7,958 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

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
1,451 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

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
8,793 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

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 Copa Airlines ($141), Spirit Airlines ($168), 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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Alternative routes for San Diego to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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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 June 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$235Average$573FlexibilityNo cancel feeOn-time75%
Spirit AirlinesCheapest$280Average$387FlexibilityNo cancel feeOn-time65%
Copa AirlinesCheapest$301Average$380FlexibilityNo cancel feeOn-time70%
DeltaCheapest$384Average$679FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$437Average$606FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$487Average$606FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$488Average$704FlexibilityNo cancel feeOn-time69%

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