$148+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SJO
Feb 28 — Mar 71
1 adult, Economy
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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 January 29, 2026.
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 January 29, 2026.
This Copa Airlines deal was found by Cheapflights users on 1/26. 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.
Mon 2/98:17 pm
SAN
- SJO
1 stop8h 49m
Copa Airlines
Fri 2/138:11 am
SJO
- SAN
1 stop11h 02m
Copa Airlines
Deal found 1/26![Copa Airlines logo]()
$315
This Copa Airlines deal was found by Cheapflights users on 1/28. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/118:17 pm
SAN
- SJO
2 stops18h 29m
Copa Airlines
Mon 2/165:50 am
SJO
- SAN
1 stop13h 23m
Copa Airlines
Deal found 1/28![Copa Airlines logo]()
$320
This Copa Airlines deal was found by Cheapflights users on 1/27. 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 5/19:13 pm
SAN
- SJO
1 stop10h 53m
Copa Airlines
Fri 5/1510:05 am
SJO
- SAN
1 stop9h 25m
Copa Airlines
Deal found 1/27![Copa Airlines logo]()
$326
This United Airlines deal was found by Cheapflights users on 1/27. 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 3/37:50 pm
SAN
- SJO
1 stop10h 42m
United Airlines
Tue 3/107:45 am
SJO
- SAN
1 stop11h 48m
United Airlines
Deal found 1/27![United Airlines logo]()
$327
This Copa Airlines deal was found by Cheapflights users on 1/27. 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.
Sun 4/59:18 pm
SAN
- SJO
3 stops18h 30m
Copa Airlines
Fri 4/105:46 am
SJO
- SAN
1 stop13h 44m
Copa Airlines
Deal found 1/27![Copa Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/158:17 pm
SAN
- SJO
1 stop8h 49m
Copa Airlines
Fri 2/2010:08 am
SJO
- SAN
1 stop9h 05m
Copa Airlines
Deal found 1/28![Copa Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:23 am
SAN
- SJO
1 stop8h 14m
United Airlines
Sun 4/267:55 am
SJO
- SAN
1 stop13h 10m
United Airlines
Deal found 1/28![United Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 1/26. 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 2/187:50 pm
SAN
- LIR
2 stops15h 20m
United Airlines
Wed 2/258:35 am
LIR
- SAN
1 stop11h 58m
United Airlines
Deal found 1/26![United Airlines logo]()
$342
This American Airlines deal was found by Cheapflights users on 1/27. 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 4/284:32 pm
SAN
- SJO
2 stops17h 35m
American Airlines
Tue 5/122:08 pm
SJO
- SAN
2 stops19h 30m
American Airlines
Deal found 1/27![American Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/229:18 pm
SAN
- SJO
1 stop8h 47m
Copa Airlines
Wed 3/2510:08 am
SJO
- SAN
1 stop9h 06m
Copa Airlines
Deal found 1/28![Copa Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 1/27. 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 9/157:00 am
SAN
- SJO
2 stops11h 37m
United Airlines
Mon 9/217:55 am
SJO
- SAN
1 stop13h 02m
United Airlines
Deal found 1/27![United Airlines logo]()
$354
This American Airlines deal was found by Cheapflights users on 1/26. 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 2/2310:30 pm
SAN
- LIR
1 stop13h 43m
American Airlines
Mon 3/23:29 pm
LIR
- SAN
1 stop19h 10m
American Airlines
Deal found 1/26![American Airlines logo]()
$424
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 January 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $315 (Copa Airlines) |
One-way from | $148 (United Airlines) |
Popular in | February |
Cheapest in | October |
Average price | $412 |
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 January 29, 2026.
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 3/4
8:18 pm-8:20 am
1 stop10h 02m
San José Juan Santamaria Intl
Mon 3/9
8:11 am-6:14 pm
1 stop11h 03m
$315
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Mon 2/9
8:17 pm-7:06 am
1 stop8h 49m
San José Juan Santamaria Intl
Fri 2/13
8:11 am-5:13 pm
1 stop11h 02m
$315
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Wed 2/25
8:17 pm-7:06 am
1 stop8h 49m
San José Juan Santamaria Intl
Wed 3/4
10:08 am-5:14 pm
1 stop9h 06m
$315
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Mon 2/9
8:17 pm-4:48 pm
1 stop18h 31m
San José Juan Santamaria Intl
Sun 2/22
5:50 am-5:13 pm
1 stop13h 23m
$315
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Wed 2/11
8:17 pm-1:53 pm
1 stop15h 36m
San José Juan Santamaria Intl
Mon 2/16
8:11 am-5:13 pm
1 stop11h 02m
$315
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Sun 2/8
8:17 pm-4:46 pm
2 stops18h 29m
San José Juan Santamaria Intl
Fri 2/13
10:08 am-5:13 pm
1 stop9h 05m
$320
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Fri 5/22
9:13 pm-9:06 am
1 stop10h 53m
San José Juan Santamaria Intl
Mon 5/25
8:14 am-6:30 pm
1 stop11h 16m
$326
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Fri 5/1
9:13 pm-9:06 am
1 stop10h 53m
San José Juan Santamaria Intl
Fri 5/15
10:05 am-6:30 pm
1 stop9h 25m
$326
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Sat 3/7
7:50 pm-8:32 am
1 stop10h 42m
San José Juan Santamaria Intl
Wed 3/11
7:45 am-4:38 pm
1 stop9h 53m
$327
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Sun 5/17
9:13 pm-4:47 pm
3 stops18h 34m
San José Juan Santamaria Intl
Sun 5/24
8:14 am-6:30 pm
1 stop11h 16m
$331
Showing 1-10 of 35 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.
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 January 29, 2026.
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.
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
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.
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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 January 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$241 | Average$560 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$279 | Average$308 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$311 | Average$618 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$351 | Average$578 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$514 | Average$676 | FlexibilityNo cancel fee | On-time63% |