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Cheap Flights from Seattle (SEA) to Liberia (LIR)

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      Travellers and cabin class, 1 Adult, Economy
      Alaska Airlines

      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 Airport to Liberia Airport? If you want to travel next month, return fares start from $754. Find the lowest prices on one-way and return tickets right here.
      Liberia.$754 per passenger.Departing Sat, 24 Oct, returning Sat, 31 Oct.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Seattle / Tacoma International on Sat, 24 Oct, arriving in Liberia.Inbound indirect flight with Air Canada, departs from Liberia on Sat, 31 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $754, select.
      Liberia.$755 per passenger.Departing Mon, 7 Dec, returning Sat, 12 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Seattle / Tacoma International on Mon, 7 Dec, arriving in Liberia.Inbound indirect flight with Air Canada, departs from Liberia on Sat, 12 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $755, select.
      Liberia.$806 per passenger.Departing Sat, 24 Oct, returning Thu, 5 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Seattle / Tacoma International on Sat, 24 Oct, arriving in Liberia.Inbound indirect flight with Air Canada, departs from Liberia on Thu, 5 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $806, select.
      Liberia.$813 per passenger.Departing Tue, 17 Nov, returning Wed, 25 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Seattle / Tacoma International on Tue, 17 Nov, arriving in Liberia.Inbound indirect flight with Air Canada, departs from Liberia on Wed, 25 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $813, select.
      Liberia.$826 per passenger.Departing Wed, 25 Nov, returning Tue, 1 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Seattle / Tacoma International on Wed, 25 Nov, arriving in Liberia.Inbound indirect flight with Air Canada, departs from Liberia on Tue, 1 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $826, select.
      Liberia.$870 per passenger.Departing Tue, 9 Mar, returning Wed, 17 Mar.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Tue, 9 Mar, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Wed, 17 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $870, select.
      Liberia.$871 per passenger.Departing Mon, 11 Jan, returning Fri, 22 Jan.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Mon, 11 Jan, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Fri, 22 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $871, select.
      Liberia.$873 per passenger.Departing Tue, 29 Dec, returning Tue, 9 Feb.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Tue, 29 Dec, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Tue, 9 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $873, select.
      Liberia.$901 per passenger.Departing Mon, 8 Feb, returning Thu, 18 Feb.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Mon, 8 Feb, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Thu, 18 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $901, select.
      Liberia.$906 per passenger.Departing Fri, 25 Sep, returning Fri, 2 Oct.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Fri, 25 Sep, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Fri, 2 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $906, select.
      Liberia.$930 per passenger.Departing Fri, 9 Apr, returning Fri, 23 Apr.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Seattle / Tacoma International on Fri, 9 Apr, arriving in Liberia.Inbound indirect flight with Air Canada, departs from Liberia on Fri, 23 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $930, select.
      Liberia.$938 per passenger.Departing Sat, 30 Jan, returning Sat, 6 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Sat, 30 Jan, arriving in Liberia.Inbound indirect flight with Delta, departs from Liberia on Sat, 6 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $938, select.
      Liberia.$1,018 per passenger.Departing Mon, 10 May, returning Fri, 21 May.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Mon, 10 May, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Fri, 21 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,018, select.
      Liberia.$1,151 per passenger.Departing Fri, 25 Sep, returning Wed, 30 Sep.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Fri, 25 Sep, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Wed, 30 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,151, select.
      Liberia.$1,197 per passenger.Departing Thu, 15 Jul, returning Thu, 22 Jul.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Thu, 15 Jul, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Thu, 22 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,197, select.
      Liberia.$1,200 per passenger.Departing Fri, 4 Dec, returning Thu, 7 Jan.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Seattle / Tacoma International on Fri, 4 Dec, arriving in Liberia.Inbound indirect flight with WestJet, departs from Liberia on Thu, 7 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,200, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Seattle / Tacoma International to Liberia found in the last 4 days, and are subject to change and availability.

      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 October.
      Sep
      from $1,151
      Oct
      from $754
      Nov
      from $813
      Dec
      from $755
      Jan
      from $871
      Feb
      from $901
      Mar
      from $870
      Apr
      from $930
      May
      from $1,018
      Jun
      from $1,346
      Jul
      from $1,197
      Aug
      Find prices

      Direct flights from Seattle / Tacoma International to Liberia

      Alaska Airlines

      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.

      Liberia

      13km from central Liberia
      ClosestCheapest
      from $754
      Search flights

      Tamarindo

      54km from central Liberia
      Search flights

      Nosara Beach

      76km from central Liberia
      Search flights

      Seattle to Liberia: Flight information

      The things to know before you go.
      Cheapest flight found$754
      Cheapest month to flyOctober
      Average flight time7 hrs, 4 mins
      Most popular airlineAlaska Airlines
      Average flights per week1

      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 $754. 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 and 4 minutes is the average flight time from Seattle / Tacoma International to Liberia.
      Alaska Airlines flies direct from Seattle / Tacoma International to Liberia.
      As of September 2026, there is one flight per week flying from Seattle / Tacoma International to Liberia.
      The cheapest month to fly from Seattle / Tacoma International to Liberia is usually October.
      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 Saturday, 24 October 2026.
      Yes – the average flight time is 7 hours and 4 minutes.
      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, Air Canada offers the cheapest flight tickets to Liberia.

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

      • Around 7 hours is how long you can expect to be travelling on a direct flight from Seattle / Tacoma International Airport to Liberia Airport.

      • The timezone in Liberia is UTC-6, which is two hours ahead of Seattle.

      • To ensure you get on your SEA to LIR flight, allow plenty of time for things like check-in and baggage drop. Arriving two hours before international departures and an hour before domestic flights is the general rule.

      • During popular months such as July, it's best to get to the airport earlier. Arrive two hours before a domestic departure and four hours ahead of an international flight when you fly during a high season in general.

      • Getting to Liberia (and then discovering more of Costa Rica!) is a breeze with Alaska Airlines. This popular airline offers direct flights from Seattle / Tacoma International Airport to Liberia Airport.

      • Alaska Airlines has the highest passenger demand on this route.

      • With 75.0% of services arriving as scheduled, Alaska Airlines is the most punctual carrier offering SEA to LIR flights.

      • If you want to split up your journey, just deselect 'Direct flights only' when searching for your ticket from Seattle / Tacoma International Airport to Liberia Airport. These are the top stopovers between SEA and LIR:

        • Denver International Airport

        • Los Angeles International Airport

        • San Francisco 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 $362. A return plane ticket is currently $754. Depending on the availability and when you book, these fares could change.

      • Don't leave things to the last moment. You're more likely to find cheap tickets from SEA to LIR if you book early. Airlines often have some fantastic early bird discounts.

      • The cheapest month for flights from Seattle / Tacoma International Airport to Liberia Airport is May. Use the 'Whole month' tool to find the lowest prices if you have a flexible travel schedule.

      • Snapping up cheap flights from SEA to LIR is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know when there's a better deal.

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

      Handy information about Seattle / Tacoma International Airport (SEA)

      • Seattle / Tacoma International Airport maintains a strong on-time performance, reducing your chances of a delayed flight. Departures from SEA arrive at their destination as scheduled 80% of the time.

      • To reach Seattle / Tacoma International Airport from central Seattle, it takes around 25 minutes if you're going by car. This depends on traffic though. It's approximately 23 kilometres from the airport to the city centre.

      • The trip on public transport typically takes 35 minutes.

      • Looking for a convenient hotel near SEA? If you're boarding an early flight from Seattle / Tacoma International Airport to Liberia Airport, these stays will put you moments from your departure gate:

      Arriving at Liberia Airport (LIR)

      When to fly to Liberia Airport (LIR)

      • It's time to choose your trip dates for your flight from Seattle / Tacoma International Airport to Liberia Airport. April is the busiest month to head to Liberia. If you want a more laid-back vibe, go in September.

      • Book your flight from Seattle / Tacoma International Airport to Liberia Airport for April if you want to explore Liberia during its warmest month. You can expect temperatures of between 22ºC (72ºF) and 35ºC (95ºF).

      • If you like cooler conditions, search for a cheap ticket from SEA to LIR in January. Temperatures average between 21ºC (70ºF) and 32ºC (90ºF) then.

      Explore more of Costa Rica

      • San Jose is just one of the many cities in Costa Rica waiting to be explored after you've seen Liberia. Around 161 kilometres away to the south-east, its top attractions include National Park (Parque Nacional), Central Park (Parque Central) and Precolumbian Gold Museum.

      • Around 274 kilometres east of Liberia, Limon is another favourite stop in Costa Rica. Experience the best of this destination with a visit to Veragua Rainforest Park, Playa Bonita and Playa Los Baños.

      Plan smart, explore more

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      Plan the rest of your trip from Seattle to Liberia

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.