$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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SJO
Apr 18 — Apr 251
Round-trip
1 adult, Economy
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Find cheap flights from San Diego to Costa Rica with Cheapflights
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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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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 March 19, 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 March 19, 2026.
This Copa Airlines deal was found by Cheapflights users on 3/16. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:18 pm
SAN
- SJO
1 stop8h 50m
Copa Airlines
Fri 4/244:09 am
SJO
- SAN
1 stop15h 21m
Copa Airlines
Deal found 3/16![Copa Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Sat 5/29:45 pm
SAN
- SJO
1 stop12h 40m
American Airlines
Fri 5/86:30 am
SJO
- SAN
1 stop16h 58m
American Airlines
Deal found 3/15![American Airlines logo]()
$390
This Southwest deal was found by Cheapflights users on 3/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:30 pm
SAN
- SJO
1 stop13h 05m
Southwest
Sat 5/91:35 pm
SJO
- SAN
1 stop9h 10m
Southwest
Deal found 3/18![Southwest logo]()
$391
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Tue 4/289:45 pm
SAN
- SJO
2 stops14h 23m
American Airlines
Tue 5/122:31 pm
SJO
- SAN
2 stops19h 07m
American Airlines
Deal found 3/15![American Airlines logo]()
$395
This BusinessClass deal was found by Cheapflights users on 3/18. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/612:17 pm
SAN
- SJO
1 stop8h 19m
GOL
Mon 5/112:31 pm
SJO
- SAN
2 stops19h 07m
GOL
Deal found 3/18![GOL logo]()
$397
This American Airlines deal was found by Cheapflights users on 3/19. 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 11/163:40 pm
SAN
- SJO
1 stop20h 30m
American Airlines
Sat 11/212:39 pm
SJO
- SAN
1 stop19h 55m
American Airlines
Deal found 3/19![American Airlines logo]()
$399
This American Airlines deal was found by Cheapflights users on 3/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:30 am
SAN
- SJO
2 stops14h 06m
American Airlines
Sun 5/1011:35 pm
SJO
- SAN
1 stop9h 40m
American Airlines
Deal found 3/18![American Airlines logo]()
$400
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Tue 11/310:02 pm
SAN
- SJO
1 stop12h 20m
American Airlines
Mon 11/93:11 pm
SJO
- SAN
1 stop22h 14m
American Airlines
Deal found 3/15![American Airlines logo]()
$402
This American Airlines deal was found by Cheapflights users on 3/15. 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 5/47:20 pm
SAN
- SJO
2 stops15h 15m
American Airlines
Mon 5/1112:35 pm
SJO
- SAN
1 stop23h 33m
American Airlines
Deal found 3/15![American Airlines logo]()
$405
This American Airlines deal was found by Cheapflights users on 3/14. 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 5/26:30 am
SAN
- SJO
2 stops14h 06m
American Airlines
Mon 5/182:22 pm
SJO
- SAN
1 stop21h 54m
American Airlines
Deal found 3/14![American Airlines logo]()
$406
This Alaska Airlines deal was found by Cheapflights users on 3/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:05 am
SAN
- SJO
2 stops11h 40m
Alaska Airlines
Wed 5/612:55 am
SJO
- SAN
2 stops33h 00m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$408
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Tue 4/289:45 pm
SAN
- LIR
1 stop12h 43m
American Airlines
Wed 5/612:30 pm
LIR
- SAN
1 stop10h 58m
American Airlines
Deal found 3/15![American Airlines logo]()
$472
Best flights from San Diego to Costa RicaDiscover carefully curated flight deals from San Diego to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 19, 2026.
Discover carefully curated flight deals from San Diego to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 19, 2026.
This Copa Airlines deal was found by Cheapflights users on 3/15. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1710:00 pm
SAN
- SJO
1 stop14h 53m
Copa Airlines
Sun 5/248:47 am
SJO
- SAN
1 stop10h 43m
Copa Airlines
Deal found 3/15![Copa Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Thu 5/147:40 pm
SAN
- SJO
1 stop10h 35m
United Airlines
Tue 5/191:25 pm
SJO
- SAN
1 stop9h 00m
United Airlines
Deal found 3/18![United Airlines logo]()
$390
This Alaska Airlines deal was found by Cheapflights users on 3/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:05 am
SAN
- SJO
2 stops11h 40m
Alaska Airlines
Wed 5/612:55 am
SJO
- SAN
2 stops33h 00m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$408
This American Airlines deal was found by Cheapflights users on 3/14. 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.
Tue 5/121:03 pm
SAN
- LIR
1 stop21h 25m
American Airlines
Sun 5/1712:30 pm
LIR
- SAN
1 stop23h 46m
American Airlines
Deal found 3/14![American Airlines logo]()
$544
This Copa Airlines deal was found by Cheapflights users on 3/14. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:00 pm
SAN
- SJO
1 stop8h 12m
Copa Airlines
Wed 5/2010:05 am
SJO
- SAN
1 stop9h 25m
Copa Airlines
Deal found 3/14![Copa Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 3/17. 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.
Fri 5/17:40 pm
SAN
- SJO
1 stop10h 35m
United Airlines
Wed 5/137:55 am
SJO
- SAN
2 stops13h 08m
United Airlines
Deal found 3/17![United Airlines logo]()
$415
This Copa Airlines deal was found by Cheapflights users on 3/16. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:18 pm
SAN
- SJO
1 stop8h 50m
Copa Airlines
Fri 4/244:09 am
SJO
- SAN
1 stop15h 21m
Copa Airlines
Deal found 3/16![Copa Airlines logo]()
$378
This Copa Airlines deal was found by Cheapflights users on 3/17. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2910:00 pm
SAN
- SJO
1 stop8h 09m
Copa Airlines
Wed 6/310:05 am
SJO
- SAN
1 stop9h 35m
Copa Airlines
Deal found 3/17![Copa Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Sat 5/238:32 pm
SAN
- SJO
1 stop7h 58m
United Airlines
Sat 5/307:55 am
SJO
- SAN
1 stop12h 55m
United Airlines
Deal found 3/18![United Airlines logo]()
$416
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:12 pm
SAN
- LIR
1 stop17h 47m
Alaska Airlines
Thu 5/711:20 am
LIR
- SAN
2 stops22h 35m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$477
This Alaska Airlines deal was found by Cheapflights users on 3/14. 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.
Mon 5/112:31 pm
SAN
- LIR
2 stops14h 49m
Alaska Airlines
Wed 5/1311:20 am
LIR
- SAN
2 stops21h 38m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$535
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Tue 5/56:26 pm
SAN
- SJO
1 stop11h 49m
United Airlines
Thu 5/78:45 am
SJO
- SAN
1 stop16h 43m
United Airlines
Deal found 3/18![United Airlines logo]()
$500
This United Airlines deal was found by Cheapflights users on 3/17. 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.
Fri 5/14:49 pm
SAN
- LIR
1 stop18h 04m
United Airlines
Fri 5/81:20 pm
LIR
- SAN
1 stop9h 05m
United Airlines
Deal found 3/17![United Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Fri 4/178:37 pm
SAN
- LIR
1 stop17h 19m
United Airlines
Sat 4/258:30 am
LIR
- SAN
1 stop11h 10m
United Airlines
Deal found 3/16![United Airlines logo]()
$548
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Mon 5/115:00 pm
SAN
- LIR
1 stop18h 10m
United Airlines
Wed 5/131:20 pm
LIR
- SAN
1 stop9h 05m
United Airlines
Deal found 3/18![United Airlines logo]()
$582
Last-minute flights from San Diego to Costa RicaDiscover last-minute flight deals from San Diego to Costa Rica. Data last updated March 19, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Costa Rica. Data last updated March 19, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/17. 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.
Sun 3/2910:30 pm
SAN
- SJO
1 stop11h 56m
American Airlines
Thu 4/22:20 pm
SJO
- SAN
1 stop19h 19m
American Airlines
Deal found 3/17![American Airlines logo]()
$421
This Trip.com deal was found by Cheapflights users on 3/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:00 am
SAN
- SJO
2 stops24h 30m
Multiple Airlines
Fri 4/174:35 pm
SJO
- SAN
2 stops21h 17m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$425
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Tue 4/147:40 pm
SAN
- SJO
1 stop10h 35m
United Airlines
Tue 4/217:55 am
SJO
- SAN
1 stop11h 10m
United Airlines
Deal found 3/16![United Airlines logo]()
$410
This American Airlines deal was found by Cheapflights users on 3/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/163:21 pm
SAN
- LIR
1 stop21h 19m
American Airlines
Thu 4/232:10 pm
LIR
- SAN
1 stop10h 46m
American Airlines
Deal found 3/18![American Airlines logo]()
$483
This Copa Airlines deal was found by Cheapflights users on 3/16. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:18 pm
SAN
- SJO
1 stop8h 50m
Copa Airlines
Fri 4/244:09 am
SJO
- SAN
1 stop15h 21m
Copa Airlines
Deal found 3/16![Copa Airlines logo]()
$378
This Trip.com deal was found by Cheapflights users on 3/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:00 am
SAN
- SJO
2 stops24h 30m
Multiple Airlines
Fri 4/244:35 pm
SJO
- SAN
2 stops21h 13m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$435
This American Airlines deal was found by Cheapflights users on 3/15. 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 4/2010:40 pm
SAN
- SJO
2 stops13h 28m
American Airlines
Fri 4/2411:35 pm
SJO
- SAN
2 stops17h 10m
American Airlines
Deal found 3/15![American Airlines logo]()
$424
This Trip.com deal was found by Cheapflights users on 3/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:25 pm
SAN
- SJO
2 stops34h 05m
Multiple Airlines
Wed 4/294:35 pm
SJO
- SAN
2 stops28h 27m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$417
This American Airlines deal was found by Cheapflights users on 3/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2710:05 pm
SAN
- SJO
1 stop12h 02m
American Airlines
Sun 5/311:35 pm
SJO
- SAN
1 stop23h 25m
American Airlines
Deal found 3/18![American Airlines logo]()
$404
This American Airlines deal was found by Cheapflights users on 3/17. 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 4/289:45 pm
SAN
- SJO
1 stop12h 40m
American Airlines
Tue 5/126:30 am
SJO
- SAN
1 stop16h 58m
American Airlines
Deal found 3/17![American Airlines logo]()
$390
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Tue 4/289:45 pm
SAN
- LIR
1 stop12h 43m
American Airlines
Wed 5/612:30 pm
LIR
- SAN
1 stop10h 58m
American Airlines
Deal found 3/15![American Airlines logo]()
$472
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:35 pm
SAN
- LIR
2 stops13h 45m
Alaska Airlines
Thu 5/711:20 am
LIR
- SAN
2 stops22h 35m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$477
One-way flights from San Diego to Costa RicaSearch for one-way flight options from San Diego to Costa Rica. Find affordable one-way fares based on user searches. Data last updated March 19, 2026.
Search for one-way flight options from San Diego to Costa Rica. Find affordable one-way fares based on user searches. Data last updated March 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/99:37 am
SAN
- SJO
3 stops24h 56m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$172
This American Airlines deal was found by Cheapflights users on 3/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:45 pm
SAN
- SJO
2 stops12h 22m
American Airlines
Deal found 3/18![American Airlines logo]()
$174
This American Airlines deal was found by Cheapflights users on 3/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:01 am
SAN
- SJO
1 stop9h 35m
American Airlines
Deal found 3/18![American Airlines logo]()
$176
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Wed 3/255:50 pm
SAN
- SJO
1 stop17h 25m
United Airlines
Deal found 3/16![United Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/712:00 pm
SAN
- SJO
3 stops22h 14m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$189
This Avianca deal was found by Cheapflights users on 3/18. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/83:15 pm
SAN
- SJO
2 stops16h 15m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$192
This Cheapflightsfares deal was found by Cheapflights users on 3/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:30 pm
SAN
- SJO
1 stop15h 10m
JetBlue
Deal found 3/16![JetBlue logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/169:37 am
SAN
- SJO
3 stops24h 56m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$202
This American Airlines deal was found by Cheapflights users on 3/14. 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.
Fri 5/16:15 am
SAN
- SJO
1 stop14h 21m
American Airlines
Deal found 3/14![American Airlines logo]()
$203
This Alaska Airlines deal was found by Cheapflights users on 3/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:05 am
SAN
- SJO
2 stops11h 40m
Alaska Airlines
Deal found 3/17![Alaska Airlines logo]()
$205
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Thu 3/265:50 pm
SAN
- SJO
1 stop17h 25m
United Airlines
Deal found 3/18![United Airlines logo]()
$206
This American Airlines deal was found by Cheapflights users on 3/17. 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.
Sun 4/1210:05 pm
SAN
- LIR
1 stop12h 19m
American Airlines
Deal found 3/17![American Airlines logo]()
$220
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 March 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $378 (Copa Airlines) |
One-way from | $172 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $510 |
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 19, 2026.
Use the filters below to find and compare flights from San Diego to Costa Rica that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Sun 5/17
10:00 pm-1:53 pm
1 stop14h 53m
San José Juan Santamaria Intl
Sun 5/24
8:47 am-6:30 pm
1 stop10h 43m
$378
Quickest round-trip
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Fri 5/1
10:00 pm-7:12 am
1 stop8h 12m
San José Juan Santamaria Intl
Wed 5/20
10:05 am-6:30 pm
1 stop9h 25m
$378
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Fri 4/17
9:18 pm-7:08 am
1 stop8h 50m
San José Juan Santamaria Intl
Fri 4/24
4:09 am-6:30 pm
1 stop15h 21m
$378
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Fri 5/29
10:00 pm-7:09 am
1 stop8h 09m
San José Juan Santamaria Intl
Wed 6/3
10:05 am-6:40 pm
1 stop9h 35m
$378
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Thu 5/14
7:40 pm-7:15 am
1 stop10h 35m
San José Juan Santamaria Intl
Tue 5/19
1:25 pm-9:25 pm
1 stop9h 00m
$390
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Tue 5/5
11:05 am-11:45 pm
2 stops11h 40m
San José Juan Santamaria Intl
Wed 5/6
12:55 am-8:55 am
2 stops33h 00m
$408
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Fri 5/1
7:40 pm-7:15 am
1 stop10h 35m
San José Juan Santamaria Intl
Wed 5/13
7:55 am-8:03 pm
2 stops13h 08m
$415
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Sat 5/23
8:32 pm-5:30 am
1 stop7h 58m
San José Juan Santamaria Intl
Sat 5/30
7:55 am-7:50 pm
1 stop12h 55m
$416
San DiegoLiberia
SAN - LIR
SANLIR
San Diego
Fri 5/1
9:12 pm-3:59 pm
1 stop17h 47m
Liberia
Thu 5/7
11:20 am-8:55 am
2 stops22h 35m
$477
San DiegoSan José
SAN - SJO
SANSJO
San Diego
Tue 5/5
6:26 pm-7:15 am
1 stop11h 49m
San José Juan Santamaria Intl
Thu 5/7
8:45 am-12:28 am
1 stop16h 43m
$500
Showing 1-10 of 33 resultsSorted by cheapest first
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.
SAN-SJO
SAN-LIR
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
SAN-CR0
SAN-SJO
SAN-LIR
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 $384). 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 March 19, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andCopa 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.
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
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.
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Complete your trip
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San Diego and Costa Rica flights
Browse other San Diego and Costa Rica flight options. Last updated on March 19, 2026.
Popular flight searches
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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 March 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$234 | Average$559 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$279 | Average$320 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$311 | Average$592 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$327 | Average$553 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$418 | Average$604 | FlexibilityNo cancel fee | On-time63% |