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$137+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SJO
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$477
(Orbitz)

One-way from

$137
(FlightHub)

Popular in

December

Cheapest in

May

Average price

$663
Provider with most accurate pricing for San Diego-San José Juan Santamaria Intl flight deals.
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Provider most trusted by Cheapflights users for San Diego-San José Juan Santamaria Intl flights.
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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. 19% potential increase in price ($158 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/303:48 pmSAN - SJO
2 stops18h 30mMultiple Airlines
Mon 6/211:32 amSJO - SAN
1 stop22h 52mMultiple Airlines
Deal found 3/31$477
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/17:40 pmSAN - SJO
2 stops15h 46mUnited Airlines
Sat 5/317:55 amSJO - SAN
1 stop13h 12mUnited Airlines
Deal found 3/30$478
This Mytrip deal was found by Cheapflights users on 3/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/196:15 amSAN - SJO
3 stops27h 12mSpirit Airlines
Sun 5/2511:32 amSJO - SAN
2 stops20h 41mSpirit Airlines
Deal found 3/30$479
This Delta deal was found by Cheapflights users on 3/31. 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.
Tue 4/296:15 pmSAN - SJO
1 stop10h 42mDelta
Thu 5/81:24 pmSJO - SAN
1 stop11h 18mDelta
Deal found 3/31$483
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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 5/18:59 pmSAN - SJO
2 stops25h 53mAlaska Airlines
Sun 6/11:06 amSJO - SAN
2 stops20h 21mAlaska Airlines
Deal found 3/31$491
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/286:15 amSAN - LIR
2 stops23h 05mAlaska Airlines
Mon 6/164:58 pmLIR - SAN
2 stops24h 11mAlaska Airlines
Deal found 3/30$499
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/24:57 pmSAN - SJO
2 stops15h 28mAmerican Airlines
Sat 9/1311:35 amSJO - SAN
2 stops12h 57mAmerican Airlines
Deal found 3/30$510
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2910:15 pmSAN - LIR
1 stop14h 01mAmerican Airlines
Fri 5/92:05 pmLIR - SAN
1 stop19h 28mAmerican Airlines
Deal found 3/30$551
This JetBlue Airways deal was found by Cheapflights users on 3/30. 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 JetBlue Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/78:39 pmSAN - LIR
1 stop15h 26mJetBlue
Mon 5/122:10 pmLIR - SAN
1 stop20h 00mJetBlue
Deal found 3/30$562
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:34 pmSAN - LIR
2 stops16h 36mUnited Airlines
Wed 5/71:20 pmLIR - SAN
1 stop9h 02mUnited Airlines
Deal found 3/30$569
This KAYAK deal was found by Cheapflights users on 3/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/259:06 pmSAN - SJO
1 stop9h 29mCopa Airlines
Mon 6/304:10 amSJO - SAN
1 stop14h 44mCopa Airlines
Deal found 3/30$577
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2210:40 pmSAN - LIR
1 stop12h 07mDelta
Fri 10/31:12 pmLIR - SAN
1 stop10h 47mDelta
Deal found 3/30$596

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 March 31, 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

Wed 4/30

3:48 pm-11:18 am

2 stops18h 30m

San José Juan Santamaria Intl

Mon 6/2

11:32 am-9:24 am

1 stop22h 52m

$477

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Thu 5/1

7:40 pm-12:26 pm

2 stops15h 46m

San José Juan Santamaria Intl

Sat 5/31

7:55 am-8:07 pm

1 stop13h 12m

$478

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Mon 5/19

6:15 am-10:27 am

3 stops27h 12m

San José Juan Santamaria Intl

Sun 5/25

11:32 am-7:13 am

2 stops20h 41m

$479

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Tue 4/29

6:15 pm-5:57 am

1 stop10h 42m

San José Juan Santamaria Intl

Fri 5/9

1:24 pm-11:42 pm

1 stop11h 18m

$483

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Thu 5/1

8:59 pm-11:52 pm

2 stops25h 53m

San José Juan Santamaria Intl

Tue 5/27

1:06 am-5:52 pm

2 stops17h 46m

$491

San DiegoLiberia

SAN - LIR

SANLIR

San Diego

Wed 5/28

6:15 am-6:20 am

2 stops23h 05m

Liberia

Mon 6/16

4:58 pm-4:09 pm

2 stops24h 11m

$499

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Tue 9/2

4:57 pm-9:25 am

2 stops15h 28m

San José Juan Santamaria Intl

Sat 9/13

11:35 am-11:32 pm

2 stops12h 57m

$510

San DiegoLiberia

SAN - LIR

SANLIR

San Diego

Tue 4/29

10:15 pm-1:16 pm

1 stop14h 01m

Liberia

Fri 5/9

2:05 pm-8:33 am

1 stop19h 28m

$551

San DiegoLiberia

SAN - LIR

SANLIR

San Diego

Wed 5/7

8:39 pm-1:05 pm

1 stop15h 26m

Liberia

Mon 5/12

2:10 pm-9:10 am

1 stop20h 00m

$562

San DiegoLiberia

SAN - LIR

SANLIR

San Diego

Thu 5/1

5:44 pm-12:10 pm

1 stop17h 26m

Liberia

Wed 5/7

1:20 pm-9:22 pm

1 stop9h 02m

$569

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 28 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 March 31, 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 March 31, 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
9,818 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Copa Airlines
7.6
Good
1,400 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 ($137), Alaska Airlines ($192), and Delta ($195).

  • 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 6 airlines flying from San Diego to Costa Rica

Discover the top 6 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$263Average$385FlexibilityNo cancel feeOn-time65%
Copa AirlinesCheapest$380Average$380FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$440Average$625FlexibilityNo cancel feeOn-time71%
DeltaCheapest$444Average$678FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$486Average$712FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$492Average$602FlexibilityNo cancel feeOn-time63%
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