San Francisco (SFO) to Liberia (LIR) flight deal from $431 USD in economy class

ASAlaska Airlines, Inc.

Round Trip•Economy

SFO

San Francisco International Airport

San Francisco, United States

LIR

Daniel Oduber Quirós International Airport

Liberia, Costa Rica

$643 USD

-33%$431 USD

Verified Nov 28, 2025 at 2:54 AM

February 2026

Today

Mon

Tue

Wed

Thu

Fri

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Sun

26$452 27$444 28$439 29$473 30$473 31$447 1$444 2$444 3$439 4$464 5$473 6$482 7$447 8$452 9$458 10$724 11$695 12$859 13$755 14$549 15$476 16$491 17$469 18$489 19$469 20$469 21$447 22$458 23$439 24$476 25$575 26$469 27$488 28$444 1

Rare Availability

9% of dates checked are available within 10% of the lowest price

Sunday, February 8th, 2026

10 round-trip options

Returning

Fri, Feb 13, 2026•5 Day Trip

$460 USD

Google Flights

Returning

Sat, Feb 14, 2026•6 Day Trip

$482 USD

Google Flights

Returning

Sun, Feb 15, 2026•7 Day Trip

$504 USD

Google Flights

Returning

Mon, Feb 16, 2026•8 Day Trip

$482 USD

Google Flights

Returning

Tue, Feb 17, 2026•9 Day Trip

$796 USD

Google Flights

Returning

Wed, Feb 18, 2026•10 Day Trip

$502 USD

Google Flights

Returning

Thu, Feb 19, 2026•11 Day Trip

$452 USD

Google Flights

Returning

Fri, Feb 20, 2026•12 Day Trip

$539 USD

Google Flights

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Sat, Feb 21, 2026•13 Day Trip

$825 USD

Google Flights

Returning

Sun, Feb 22, 2026•14 Day Trip

$588 USD

Google Flights