$172+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SJO
May 5 — May 121
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 April 30, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $340 (Priceline) |
One-way from | $172 (CheapOair) |
Popular in | December |
Cheapest in | May |
Average price | $588 |
Find flight deals from San Diego to Costa Rica
Cheapest flights from San Diego to Costa RicaExplore 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 April 30, 2025.
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 April 30, 2025.
This Priceline deal was found by Cheapflights users on 4/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/26:15 amSAN - SJO
2 stops28h 18mSpirit Airlines
Tue 6/1012:28 pmSJO - SAN
2 stops19h 45mSpirit Airlines
Deal found 4/29![Spirit Airlines logo]()
$339
This Copa Airlines deal was found by Cheapflights users on 4/29. 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 7/118:58 pmSAN - SJO
1 stop15h 22mCopa Airlines
Mon 7/214:10 amSJO - SAN
1 stop14h 34mCopa Airlines
Deal found 4/29![Copa Airlines logo]()
$372
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/296:58 pmSAN - SJO
2 stops15h 35mMultiple Airlines
Wed 6/41:06 amSJO - SAN
2 stops47h 32mMultiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$377
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/296:43 pmSAN - LIR
1 stop16h 27mUnited Airlines
Thu 6/511:49 amLIR - SAN
1 stop10h 25mUnited Airlines
Deal found 4/29![United Airlines logo]()
$385
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/277:29 amSAN - SJO
1 stop13h 48mAmerican Airlines
Tue 6/36:03 amSJO - SAN
1 stop17h 34mAmerican Airlines
Deal found 4/29![American Airlines logo]()
$392
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 8/49:32 pmSAN - SJO
2 stops24h 58mAlaska Airlines
Fri 8/812:50 amSJO - SAN
2 stops32h 31mAlaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 4/28. 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.
Fri 6/139:40 pmSAN - LIR
1 stop13h 00mDelta
Mon 6/161:25 pmLIR - SAN
1 stop11h 04mDelta
Deal found 4/28![Delta logo]()
$472
This Delta deal was found by Cheapflights users on 4/29. 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 5/1210:30 pmSAN - SJO
1 stop12h 29mDelta
Thu 5/151:24 pmSJO - SAN
1 stop11h 18mDelta
Deal found 4/29![Delta logo]()
$483
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 6/2310:45 pmSAN - LIR
2 stops13h 30mAmerican Airlines
Wed 7/23:40 pmLIR - SAN
1 stop19h 10mAmerican Airlines
Deal found 4/29![American Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 4/29. 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 7/14:00 pmSAN - SJO
1 stop14h 15mUnited Airlines
Tue 7/151:30 pmSJO - SAN
1 stop8h 42mUnited Airlines
Deal found 4/29![United Airlines logo]()
$495
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 8/512:41 pmSAN - LIR
2 stops16h 39mAlaska Airlines
Tue 8/124:58 pmLIR - SAN
2 stops24h 11mAlaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$512
This JetBlue deal was found by Cheapflights users on 4/28. 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.
Mon 7/78:30 pmSAN - LIR
1 stop15h 10mJetBlue
Sat 7/122:05 pmLIR - SAN
1 stop20h 00mJetBlue
Deal found 4/28![JetBlue logo]()
$590
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 April 30, 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
Sat 5/24
5:43 pm-11:33 am
2 stops16h 50m
San José Juan Santamaria Intl
Tue 6/3
12:28 pm-7:13 am
2 stops19h 45m
$340
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Fri 7/11
8:58 pm-1:20 pm
1 stop15h 22m
San José Juan Santamaria Intl
Mon 7/21
5:52 am-5:44 pm
1 stop12h 52m
$372
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Sat 5/24
6:15 am-10:14 am
3 stops26h 59m
San José Juan Santamaria Intl
Tue 6/3
12:28 pm-7:13 am
2 stops19h 45m
$376
San DiegoLiberia
SAN - LIR
SANLIR
San Diego
Thu 5/29
6:43 pm-12:10 pm
1 stop16h 27m
Liberia
Thu 6/5
11:49 am-9:14 pm
1 stop10h 25m
$385
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Tue 5/27
7:29 am-10:17 pm
1 stop13h 48m
San José Juan Santamaria Intl
Thu 6/5
11:59 pm-9:50 am
1 stop10h 51m
$392
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Wed 5/28
11:15 am-10:39 pm
2 stops10h 24m
San José Juan Santamaria Intl
Mon 6/9
11:13 am-7:56 pm
1 stop9h 43m
$402
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Wed 5/28
6:32 pm-11:46 pm
2 stops28h 14m
San José Juan Santamaria Intl
Sun 6/8
1:06 am-9:02 am
2 stops56h 56m
$427
San DiegoLiberia
SAN - LIR
SANLIR
San Diego
Fri 6/13
9:40 pm-11:40 am
1 stop13h 00m
Liberia
Mon 6/16
1:25 pm-11:29 pm
1 stop11h 04m
$472
San DiegoLiberia
SAN - LIR
SANLIR
San Diego
Mon 6/23
10:45 pm-1:15 pm
2 stops13h 30m
Liberia
Wed 7/2
3:40 pm-9:50 am
1 stop19h 10m
$489
San DiegoLiberia
SAN - LIR
SANLIR
San Diego
Tue 8/5
12:41 pm-6:20 am
2 stops16h 39m
Liberia
Tue 8/12
4:58 pm-4:09 pm
2 stops24h 11m
$512
Showing 1-10 of 27 results
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 April 30, 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 April 30, 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.
Comfort
7.9
Food
7.1
Crew
8.5
Overall
8.0
Entertainment
7.1
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Comfort
7.9
Food
7.1
Crew
8.5
Overall
8.0
Entertainment
7.1
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Comfort
7.9
Food
7.1
Crew
8.5
Overall
8.0
Entertainment
7.1
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Comfort
7.9
Food
7.1
Crew
8.5
Overall
8.0
Entertainment
7.1
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Comfort
7.9
Food
7.1
Crew
8.5
Overall
8.0
Entertainment
7.1
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Comfort
7.9
Food
7.1
Crew
8.5
Overall
8.0
Entertainment
7.1
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
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.
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.
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 April 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$235 | Average$593 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$280 | Average$387 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$380 | Average$380 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$434 | Average$609 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$434 | Average$693 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$484 | Average$707 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$492 | Average$601 | FlexibilityNo cancel fee | On-time63% |