$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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SJO
Jan 17 — Jan 241
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
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 December 18, 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 December 18, 2025.
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Wed 12/3110:30 pmSAN - SJO
1 stop10h 02mAmerican Airlines
Fri 1/97:09 amSJO - SAN
1 stop17h 17mAmerican Airlines
Deal found 12/17![American Airlines logo]()
$416
This United Airlines deal was found by Cheapflights users on 12/18. 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 12/199:00 amSAN - SJO
1 stop11h 00mUnited Airlines
Wed 12/2412:35 pmSJO - SAN
1 stop11h 21mUnited Airlines
Deal found 12/18![United Airlines logo]()
$455
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sat 12/203:00 pmSAN - SJO
1 stop27h 39mUnited Airlines
Thu 12/256:30 amSJO - SAN
1 stop14h 16mUnited Airlines
Deal found 12/17![United Airlines logo]()
$493
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2012:11 pmSAN - SJO
1 stop8h 21mUnited Airlines
Mon 12/228:45 amSJO - SAN
1 stop13h 31mUnited Airlines
Deal found 12/16![United Airlines logo]()
$501
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Mon 12/2211:00 amSAN - SJO
1 stop9h 00mUnited Airlines
Thu 3/265:30 amSJO - SAN
1 stop12h 08mUnited Airlines
Deal found 12/17![United Airlines logo]()
$527
This Trip.com deal was found by Cheapflights users on 12/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:47 pmSAN - SJO
2 stops20h 33mMultiple Airlines
Wed 12/314:15 pmSJO - SAN
2 stops22h 24mMultiple Airlines
Deal found 12/16![Multiple Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/1810:25 amSAN - SJO
1 stop10h 07mUnited Airlines
Fri 1/27:30 amSJO - SAN
2 stops15h 18mUnited Airlines
Deal found 12/17![United Airlines logo]()
$561
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 12/286:55 pmSAN - LIR
2 stops21h 42mUnited Airlines
Fri 1/92:20 pmLIR - SAN
2 stops22h 07mUnited Airlines
Deal found 12/17![United Airlines logo]()
$747
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:30 pmSAN - LIR
1 stop14h 10mUnited Airlines
Thu 1/88:35 amLIR - SAN
1 stop10h 01mUnited Airlines
Deal found 12/16![United Airlines logo]()
$763
This Delta deal was found by Cheapflights users on 12/17. 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.
Thu 12/2510:30 pmSAN - LIR
1 stop13h 20mDelta
Thu 1/82:05 pmLIR - SAN
1 stop10h 40mDelta
Deal found 12/17![Delta logo]()
$773
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Mon 12/222:23 pmSAN - LIR
1 stop22h 04mAmerican Airlines
Sun 12/281:21 pmLIR - SAN
1 stop24h 32mAmerican Airlines
Deal found 12/15![American Airlines logo]()
$814
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/233:38 pmSAN - LIR
1 stop18h 38mAmerican Airlines
Sun 12/281:21 pmLIR - SAN
1 stop24h 32mAmerican Airlines
Deal found 12/17![American Airlines logo]()
$833
Find 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 December 18, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $294 (Copa Airlines) |
One-way from | $137 (United Airlines) |
Popular in | February |
Cheapest in | October |
Average price | $614 |
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 December 18, 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 1/28
8:16 pm-8:21 am
1 stop10h 05m
San José Juan Santamaria Intl
Wed 2/4
8:11 am-5:13 pm
1 stop11h 02m
$294
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Sun 4/12
9:18 pm-9:05 am
1 stop10h 47m
San José Juan Santamaria Intl
Sun 4/19
10:04 am-6:30 pm
1 stop9h 26m
$294
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Mon 1/26
8:16 pm-5:01 pm
1 stop18h 45m
San José Juan Santamaria Intl
Wed 2/4
5:50 am-5:13 pm
1 stop13h 23m
$294
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Fri 2/20
8:17 pm-7:06 am
1 stop8h 49m
San José Juan Santamaria Intl
Sun 3/1
8:11 am-5:14 pm
1 stop11h 03m
$294
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Mon 2/2
8:17 pm-8:21 am
1 stop10h 04m
San José Juan Santamaria Intl
Wed 2/11
10:08 am-5:13 pm
1 stop9h 05m
$294
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Wed 1/28
8:16 pm-4:46 pm
2 stops18h 30m
San José Juan Santamaria Intl
Sun 2/8
5:50 am-5:13 pm
1 stop13h 23m
$299
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Wed 2/18
8:17 pm-4:46 pm
2 stops18h 29m
San José Juan Santamaria Intl
Wed 2/25
8:48 am-5:13 pm
1 stop10h 25m
$299
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Sun 4/12
9:18 pm-4:48 pm
2 stops18h 30m
San José Juan Santamaria Intl
Mon 4/20
10:04 am-6:30 pm
1 stop9h 26m
$299
San DiegoLiberia
SAN - LIR
SANLIR
San Diego
Mon 1/26
3:00 pm-1:30 pm
1 stop20h 30m
Liberia
Wed 1/28
2:05 pm-10:45 pm
1 stop10h 40m
$421
San DiegoLiberia
SAN - LIR
SANLIR
San Diego
Wed 1/28
6:00 pm-1:10 pm
2 stops17h 10m
Liberia
Thu 2/5
2:20 pm-9:56 pm
1 stop9h 36m
$421
Showing 1-10 of 33 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, December is the cheapest month in which you can book a flight from San Diego to Costa Rica (average of $136). Flying from San Diego to Costa Rica in June is currently the most expensive (average of $385). 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 December 18, 2025.
Unlike in the morning, when flights are generally more expensive, you can save up to 17% on flights from San Diego to Costa Rica by exploring options for tickets in the afternoon.
What is the cheapest day to fly from San Diego to Costa Rica?
Use this chart to determine the cheapest time to fly round-trip from San Diego to Costa Rica. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their San Diego to Costa Rica flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 December 18, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and Copa Airlines 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.
Entertainment
7.5
Boarding
8.1
Overall
7.9
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Overall
7.9
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Overall
7.9
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Overall
7.9
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Overall
7.9
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Overall
7.9
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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 5 airlines flying from San Diego to Costa Rica
Discover the top 5 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 December 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$279 | Average$360 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$311 | Average$640 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$347 | Average$560 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$351 | Average$587 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$511 | Average$676 | FlexibilityNo cancel fee | On-time63% |