DCARonald Reagan Washington National Airport
Washington, United States
SJOJuan Santamaría International Airport (SJO)
San José, Costa Rica
$596 USD
-29%$426 USD
Verified Nov 29, 2025 at 5:45 AMJanuary 2026
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Fair Availability
32% of dates checked are available within 10% of the lowest price
Thursday, January 29th, 2026
Outbound Flights
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21h 27m·1 stop
$1,155 USD
DCAJan 29 16:15
→EWRJan 29 17:49
UA 4413Bombardier Regional Jet 550
14h 30m layover·Overnight
EWRJan 30 08:19
→SJOJan 30 12:42
UA 1080Boeing 737MAX 8 Passenger
17h 32m·1 stop
$1,428 USDDCAJan 29 20:10
→EWRJan 29 21:44
UA 4174Bombardier Regional Jet 550
10h 35m layover·Overnight
EWRJan 30 08:19
→SJOJan 30 12:42
UA 1080Boeing 737MAX 8 Passenger