PDX to SJO from $478 in economy – flightdeals.net

Home Premium Fare Deals About

American Airlines

AAAmerican Airlines

Round Trip•Economy

Portland International Airport

Portland, United States

Juan Santamaría International Airport (SJO)

San José, Costa Rica

$610 USD

-22%$478 USD

Verified 13 days ago

September 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$483 1$483 2$483 3$533 4$508 5$508 6$483 7$483 8$500 9$483 10$483 11$483 12$483 13$483 14$523 15$483 16$483 17$483 18$523 19$483 20$483 21$523 22$483 23$483 24$483 25$523 26$483 27$483 28$483 29$488 30$483 1$483 2$483 3$483 4$483

Great Availability

62% of dates checked are available within 10% of the lowest price

Thursday, September 3rd, 2026

2 round-trip options

Returning

Tue, Sep 8, 2026•5 Day Trip

$533 USD

Returning

Sun, Sep 13, 2026•10 Day Trip

$618 USD