Newark Liberty Airport
Newark, United States
Juan Santamaría International Airport (SJO)
San José, Costa Rica
$593 USD
-26%$436 USD
Verified Nov 29, 2025 at 6:54 PMMarch 2026
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Fair Availability
36% of dates checked are available within 10% of the lowest price
Monday, March 9th, 2026
Outbound Flights
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5h 23m·Nonstop
$452 USD
EWRMar 9 07:07
→SJOMar 9 10:30
UA 1642Boeing 737MAX 8 Passenger
5h 23m·Nonstop
$452 USD
EWRMar 9 08:19
→SJOMar 9 11:42
UA 1080Boeing 737MAX 8 Passenger
5h 22m·Nonstop
$452 USD
EWRMar 9 15:31
→SJOMar 9 18:53
UA 1222Boeing 737MAX 8 Passenger
16h 31m·1 stop
$457 USD
EWRMar 9 21:25
→ORDMar 9 23:13
UA 1981Boeing 737
8h 26m layover·Overnight

ORDMar 10 07:39
→SJOMar 10 11:56
UA 1135Boeing 737MAX 8 Passenger
21h 47m·2 stops
$3,605 USD
EWRMar 9 21:29
→MSYMar 9 23:59
UA 2437Boeing 737MAX 8 Passenger
11h 56m layover·Overnight

MSYMar 10 11:55
→IAHMar 10 13:21
UA 1470Airbus A319
1h 13m layover

IAHMar 10 14:34
→SJOMar 10 17:16
UA 1055Boeing 737MAX 8 Passenger
21h 47m·2 stops
$3,605 USD
EWRMar 9 21:29
→MSYMar 9 23:59
UA 2437Boeing 737MAX 8 Passenger
5h 1m layover·Overnight

MSYMar 10 05:00
→IAHMar 10 06:26
UA 2744Boeing 737
8h 8m layover

IAHMar 10 14:34
→SJOMar 10 17:16
UA 1055Boeing 737MAX 8 Passenger
21h 47m·2 stops
$3,605 USD
EWRMar 9 21:29
→MSYMar 9 23:59
UA 2437Boeing 737MAX 8 Passenger
7h 1m layover·Overnight

MSYMar 10 07:00
→IAHMar 10 08:25
UA 2124Boeing 737
6h 9m layover

IAHMar 10 14:34
→SJOMar 10 17:16
UA 1055Boeing 737MAX 8 Passenger
17h 47m·1 stop
$5,333 USD
EWRMar 9 15:45
→SFOMar 9 19:07
UA 2328Boeing 777
4h 58m layover·Overnight

SFOMar 10 00:05
→SJOMar 10 07:32
UA 2312Boeing 737MAX 8 Passenger