Flights from San Diego to Costa Rica from $ 306*
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1 Passenger, Economy
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Find United's best fares from San Diego to Costa Rica
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San Diego (SAN)to
San Jose, CR (SJO)03/04/26 - 03/18/26from$Â 306Viewed: 7 hours agoRoundtripEconomy
San Diego (SAN)to
Liberia (Costa Rica) (LIR)01/07/26 - 01/21/26from$Â 357Viewed: 7 hours agoRoundtripEconomy
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.
Business class flights from San Diego to Costa Rica
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flight_land
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San Diego (SAN)to
San Jose, CR (SJO)
12/15/25 - 12/24/25
Roundtrip
Business
from
$Â 1,234
Viewed: 2 hours ago
San Diego (SAN)to
Liberia (Costa Rica) (LIR)
01/21/26 - 01/28/26
Roundtrip
Business
from
$Â 937
Viewed: 13 hours ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.