350 € Cheap Flights from Seattle / Tacoma International to Liberia

Compare Seattle / Tacoma International to Liberia flight deals

Find the cheapest month or even day of the year to fly to Liberia

Book the best Liberia fare with no extra fees

Flight deals from Seattle / Tacoma International to Liberia

Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International to Liberia? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle / Tacoma International to Liberia

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle / Tacoma International to Liberia flights are currently cheapest in April.

Direct flights from Seattle / Tacoma International to Liberia

Seattle / Tacoma International to Liberia: Alternative routes

Compare routes from Seattle / Tacoma International to Liberia below. You may find an airport to fly into that's cheaper, faster, or easier than Liberia.

Seattle to Liberia: Flight information

The things to know before you go.
Cheapest flight found350 €
Cheapest month to flyApril
Average flight time7 hrs
Most popular airlineAlaska Airlines
Average flights per week2

Finding cheap flights from Seattle / Tacoma International to Liberia: Frequently asked questions

The best price we found for a return flight from Seattle / Tacoma International to Liberia is 350 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
7 hours is the average flight time from Seattle / Tacoma International to Liberia.
Alaska Airlines flies direct from Seattle / Tacoma International to Liberia.
As of March 2026, there are 2 flights per week flying from Seattle / Tacoma International to Liberia.
The cheapest month to fly from Seattle / Tacoma International to Liberia is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Liberia Airport on Monday, 13 April 2026.
Yes – the average flight time is 7 hours.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Liberia but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Liberia is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Liberia.

Flying from Seattle-Tacoma International Airport (SEA) to Liberia Airport (LIR): what you need to know

  • Liberia's timezone is UTC-6, making Liberia one hour ahead of Seattle.

  • Arrive at the airport on time so you don't miss your SEA to LIR flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • During popular months such as July, it's a good idea to get to the airport even earlier. Plan to arrive two hours before a domestic departure and four hours ahead of international flights when you fly during a high season in general.

  • If you want to add a stop to your trip, just uncheck 'Direct flights only' when searching for your ticket from Seattle-Tacoma International Airport to Liberia Airport. These are the most popular stopovers between SEA and LIR:

    • Denver International Airport

    • San Francisco International Airport

    • Los Angeles International Airport

How to find the cheapest flights from Seattle-Tacoma International Airport (SEA) to Liberia Airport (LIR)

  • The cheapest price we've found for a one-way Seattle-Tacoma International Airport to Liberia Airport flight is 160 €. A round-trip ticket right now is 350 €. Depending on the availability and when you book, these fares could change.

  • Don't leave everything to the last minute. You're more likely to get cheap tickets from SEA to LIR if you book early. Airlines often have some amazing early bird discounts.

  • The 'Whole month' search function shows you the cheapest flights from Seattle-Tacoma International Airport to Liberia Airport across the month. It's a good way to snap up a bargain if your travel dates are flexible.

  • Cut down on the time spent looking for cheap flights from SEA to LIR by creating a Price Alert. We'll send you an email or notification on the app when a special offer becomes available.

  • Tailor your trip using filters. Select your ideal arrival and departure times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Seattle-Tacoma International Airport to Liberia Airport.

Handy information about Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport earns top marks for its on-time performance. 81.27% of flights that depart SEA land on time.

  • To get to Seattle-Tacoma International Airport from central Seattle, it'll take about 20 minutes if you're travelling by car. This depends on traffic though. It's approximately 23 kilometres from the airport to the city centre.

  • Taking public transport? You can expect a journey time of around 55 minutes.

  • Get your journey off to a relaxed start by staying near SEA. Whether you're boarding an early flight from Seattle-Tacoma International Airport to Liberia Airport or just don't want to be rushed, these hotels are ideal:

Arriving at Liberia Airport (LIR)

Getting from Liberia Airport (LIR) to central Liberia

  • Liberia Airport is roughly 13 kilometres from the centre of Liberia. Driving there takes about 20 minutes.

When to fly to Liberia Airport (LIR)

  • It's time to choose your dates for your flight from Seattle-Tacoma International Airport to Liberia Airport. January is the most popular month to visit Liberia. If you'd like a more relaxed vibe, go in May.

  • When reserving your flight from Seattle-Tacoma International Airport to Liberia Airport, think about the kind of weather you enjoy. April is the warmest month in Liberia, with the temperature ranging from 22ºC (72ºF) to 35ºC (95ºF).

  • November sees average temperatures of between 21ºC (70ºF) and 30ºC (86ºF). Search for cheap tickets from SEA to LIR sometime around then if you want to travel in cooler conditions.

Explore more of Costa Rica

  • You've visited Liberia, now it's time to discover other parts of Costa Rica. Travel around 161 kilometres south-east to San Jose to check off its top attractions. From Teatro Nacional Costa Rica to National Park (Parque Nacional) and Plaza de la Cultura, there's plenty to keep you on the go.

  • Limon is another well-known destination in Costa Rica and is around 274 kilometres east of Liberia. No trip is complete without seeing Veragua Rainforest Park, Playa Bonita and Cruise Pier Puerto Limon.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.