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513 € Cheap Flights from Knoxville to Liberia

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      Travellers and cabin class, 1 Adult, Economy

      Compare Knoxville 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 Knoxville to Liberia

      Looking for a cheap last-minute deal or the best return flight from Knoxville Airport to Liberia Airport? If you want to travel next month, return fares start from 513 €. Find the lowest prices on one-way and return tickets right here.
      Liberia.513 € per passenger.Departing Sat, 10 Oct, returning Fri, 16 Oct.Return flight with Allegiant Air and jetBlue.Outbound indirect flight with Allegiant Air, departs from Knoxville on Sat, 10 Oct, arriving in Liberia.Inbound indirect flight with jetBlue, departs from Liberia on Fri, 16 Oct, arriving in Knoxville.Price includes taxes and charges.From 513 €, select.
      Liberia.560 € per passenger.Departing Mon, 22 Feb, returning Tue, 2 Mar.Return flight with United.Outbound indirect flight with United, departs from Knoxville on Mon, 22 Feb, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Tue, 2 Mar, arriving in Knoxville.Price includes taxes and charges.From 560 €, select.
      Liberia.573 € per passenger.Departing Tue, 17 Nov, returning Mon, 23 Nov.Return flight with United.Outbound indirect flight with United, departs from Knoxville on Tue, 17 Nov, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Mon, 23 Nov, arriving in Knoxville.Price includes taxes and charges.From 573 €, select.
      Liberia.577 € per passenger.Departing Wed, 25 Nov, returning Tue, 1 Dec.Return flight with United.Outbound indirect flight with United, departs from Knoxville on Wed, 25 Nov, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Tue, 1 Dec, arriving in Knoxville.Price includes taxes and charges.From 577 €, select.
      Liberia.583 € per passenger.Departing Sun, 21 Feb, returning Sun, 28 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Knoxville on Sun, 21 Feb, arriving in Liberia.Inbound indirect flight with Delta, departs from Liberia on Sun, 28 Feb, arriving in Knoxville.Price includes taxes and charges.From 583 €, select.
      Liberia.678 € per passenger.Departing Tue, 16 Mar, returning Mon, 22 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Knoxville on Tue, 16 Mar, arriving in Liberia.Inbound indirect flight with Delta, departs from Liberia on Mon, 22 Mar, arriving in Knoxville.Price includes taxes and charges.From 678 €, select.
      Liberia.702 € per passenger.Departing Mon, 12 Apr, returning Sun, 18 Apr.Return flight with Allegiant Air and jetBlue.Outbound indirect flight with Allegiant Air, departs from Knoxville on Mon, 12 Apr, arriving in Liberia.Inbound indirect flight with jetBlue, departs from Liberia on Sun, 18 Apr, arriving in Knoxville.Price includes taxes and charges.From 702 €, select.
      Liberia.707 € per passenger.Departing Wed, 23 Sep, returning Mon, 28 Sep.Return flight with Allegiant Air and jetBlue.Outbound indirect flight with Allegiant Air, departs from Knoxville on Wed, 23 Sep, arriving in Liberia.Inbound indirect flight with jetBlue, departs from Liberia on Mon, 28 Sep, arriving in Knoxville.Price includes taxes and charges.From 707 €, select.
      Liberia.903 € per passenger.Departing Sun, 30 May, returning Fri, 4 Jun.Return flight with United.Outbound indirect flight with United, departs from Knoxville on Sun, 30 May, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Fri, 4 Jun, arriving in Knoxville.Price includes taxes and charges.From 903 €, select.

      Find the cheapest month to fly from Knoxville to Liberia

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Knoxville to Liberia flights are currently cheapest in October.
      Sep
      from 707 €
      Oct
      from 513 €
      Nov
      from 573 €
      Dec
      Find prices
      Jan
      Find prices
      Feb
      from 583 €
      Mar
      from 678 €
      Apr
      from 702 €
      May
      Find prices
      Jun
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      Jul
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      Aug
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      Knoxville to Liberia: Alternative routes

      Compare routes from Knoxville 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 513 €
      Search flights

      Tamarindo

      54km from central Liberia
      from 801 €
      Search flights

      Nosara Beach

      76km from central Liberia
      Search flights

      Knoxville to Liberia: Flight information

      The things to know before you go.
      Cheapest flight found513 €
      Cheapest month to flyOctober

      Finding cheap flights from Knoxville to Liberia: Frequently asked questions

      The best price we found for a return flight from Knoxville to Liberia is 513 €. 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.
      Currently, there are no airlines that fly direct from Knoxville to Liberia. But we found flights with one or more stops from 513 €.
      As of September 2026, there are no flights flying from Knoxville to Liberia.
      The cheapest month to fly from Knoxville to Liberia is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Knoxville Airport to Liberia Airport on Saturday, 10 October 2026.
      No airlines currently offer direct flights between Knoxville Airport and Liberia Airport. Most routes have one or more stops.
      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, Allegiant Air offers the cheapest flight tickets to Liberia.

      Flying from Knoxville Airport (TYS) to Liberia Airport (LIR): what you need to know

      • The timezone in Liberia is UTC-6, which is one hour behind Knoxville.

      • Leave plenty of time to make your TYS to LIR flight. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

      • Travelling during a peak month like October? School holidays and other popular seasons can mean longer lines at security. Play it safe and get there up to four hours before an international flight and two hours before domestic departures.

      How to find the cheapest flights from Knoxville Airport (TYS) to Liberia Airport (LIR)

      • 226 € is currently the best price for a one-way Knoxville Airport to Liberia Airport flight. Return flights start from 513 €. These fares can change based on demand and availability.

      • Don't leave everything to the last moment. You're more likely to get cheap tickets from TYS to LIR if you book in advance. Airlines often have some excellent early bird deals.

      • If you can be flexible with your trip dates, use the 'Whole month' search function. It'll show you the lowest price across every month when looking for your flight from Knoxville Airport to Liberia Airport.

      • Landing cheap flights from TYS to LIR is a cinch with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you as soon as there's a better deal.

      • Choose your preferred departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Knoxville Airport to Liberia Airport.

      Handy information about Knoxville Airport (TYS)

      • You'll find TYS at 2055 Alcoa Highway.

      • When it comes to the on-time performance of Knoxville Airport, data shows 76% of flights stick to their scheduled arrival time.

      • To reach Knoxville Airport from central Knoxville, it takes about 25 minutes by car. Of course, this depends on traffic. It's approximately 24 kilometres from the airport to the city centre.

      • The trip on public transport takes about 50 minutes.

      • Taking an early flight from Knoxville Airport to Liberia Airport? Avoid the last-minute rush to the terminal (and catch some extra z's) by picking one of these stays close to TYS:

      Arriving at Liberia Airport (LIR)

      • If you're arriving on a late Knoxville Airport to Liberia Airport flight, few things beat the convenience of staying near the terminal. Collect your bags from the carousel and then be showered and sleeping shortly after at one of these options near LIR:

      • Hit the road running by picking up a Liberia Airport rental car. Grab your wheels from Avis, Europcar or NU Car Rentals and explore beyond Liberia's usual tourist stops.

      • Booking your ride from Liberia Airport around two weeks ahead boosts your odds of scoring a great price.

      Getting from Liberia Airport (LIR) to central Liberia

      • From Liberia Airport, Liberia is approximately 13 kilometres away. It takes around 20 minutes to get to the centre driving.

      • Getting there by public transport takes roughly 30 minutes.

      When to fly to Liberia Airport (LIR)

      • The quietest month for a flight from Knoxville Airport to Liberia Airport is September, while April is the busiest. Choose the best time to go to Liberia based on whether you prefer a more relaxed vibe or a faster pace.

      • Book your flight from Knoxville Airport to Liberia Airport for April if you want to visit Liberia during its warmest month. Expect temperatures of between 22ºC (72ºF) and 35ºC (95ºF).

      • Look for cheap tickets from TYS to LIR in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between 21ºC (70ºF) and 32ºC (90ºF) on average.

      Explore more of Costa Rica

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

      • If you're looking to explore another well-known destination in Costa Rica, head for Limon, roughly 274 kilometres east of Liberia. Veragua Rainforest Park, Playa Bonita and Playa Los Baños are the start of reasons to visit.

      Plan the rest of your trip from Knoxville to Liberia

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