PDX to SJO from $446 in economy

UAUnited Airlines

Round Trip•Economy

PDX

Portland International Airport

Portland, United States

SJO

Juan Santamaría International Airport (SJO)

San José, Costa Rica

$646 USD

-31%$446 USD

Verified about 4 hours ago

September 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$472 1$486 2$472 3$472 4$472 5$472 6$472 7$529 8$472 9$446 10$472 11$472 12$472 13$453 14$470 15$451 16$446 17$472 18$472 19$472 20$453 21$446 22$470 23$446 24$477 25$472 26$498 27$472 28$472 29$486 30$479 1$498 2$498 3$498 4$498

Rare Availability

7% of dates checked are available within 10% of the lowest price

Tuesday, September 22nd, 2026

7 round-trip options

Returning

Sun, Sep 27, 2026•5 Day Trip

$496 USD

Google Flights

Returning

Tue, Sep 29, 2026•7 Day Trip

$475 USD

Google Flights

Returning

Wed, Sep 30, 2026•8 Day Trip

$470 USD

Google Flights

Returning

Thu, Oct 1, 2026•9 Day Trip

$496 USD

Google Flights

Returning

Fri, Oct 2, 2026•10 Day Trip

$496 USD

Google Flights

Returning

Sun, Oct 4, 2026•12 Day Trip

$496 USD

Google Flights

Returning

Tue, Oct 6, 2026•14 Day Trip

$496 USD

Google Flights

Portland (PDX) to San José (SJO) flight deal in economy from $446

Portland International Airport

Juan Santamaría International Airport (SJO)

September 2026

Tuesday, September 22nd, 2026