Cheap flight tickets from Denver to Liberia

Compare Denver to Liberia flight deals

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

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Flight deals from Denver to Liberia

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

Find the cheapest month to fly from Denver to Liberia

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

Direct flights from Denver to Liberia

Denver to Liberia: Alternative routes

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

Denver to Liberia: Flight information

The things to know before you go.
Cheapest flight foundRM1,551
Cheapest month to flyMay
Average flight time5 hrs, 4 mins
Most popular airlineUnited
Average flights per week8

Finding cheap flights from Denver to Liberia: Frequently asked questions

The best price we found for a return flight from Denver to Liberia is RM1,556. 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.
5 hours and 4 minutes is the average flight time from Denver to Liberia.
United and Southwest Airlines fly direct from Denver to Liberia.
As of February 2026, there are 8 flights per week flying from Denver to Liberia.
The cheapest month to fly from Denver to Liberia is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Denver to Liberia Airport on Wednesday, 6 May 2026.
Yes – the average flight time is 5 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.

Flying from Denver to Liberia Airport (LIR): What you need to know

  • Denver International Airport (DEN) is Denver's main airport. Check out your options for booking a flight from Denver to Liberia Airport (LIR) leaving from here.

  • The average length of a direct Denver to Liberia Airport flight is 5 hours 5 minutes.

  • Liberia's timezone is UTC-6, which is the same as Denver. Liberia Airport is located in Liberia.

  • Take your pick of 6 direct flights a week between Denver International Airport (DEN) and Liberia Airport (LIR). This is the most popular route, with Southwest Airlines offering a 7:55am departure from DEN to LIR.

  • Give yourself plenty of time to catch your flight from Denver to LIR. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Heading off during a peak time like public or school holidays? Expect longer queues at security and check-in. To give yourself peace of mind, arrive up to four hours before international flights and two hours ahead of domestic departures.

Airports in Denver

Denver International Airport (DEN)

  • You can take a direct flight from Denver to Liberia Airport (LIR) leaving from Denver International Airport (DEN).

  • You can get away on a direct flight from Denver to Liberia Airport with United Airlines. This top airline operates departures from DEN.

  • The preferred choice for passengers flying between DEN and LIR is United Airlines.

  • With 75.41% of services landing as planned, United Airlines is the highest-rated carrier for punctuality on this route.

  • We make it simple to book cheap flights from Denver to LIR that include a stopover. To explore all the options departing from Denver International Airport (DEN), deselect 'Direct flights only.' Next, select a flight that has a stop long enough to tour the city of your choice. Popular stopovers between DEN and LIR include:

    • Dallas/Fort Worth International Airport (DFW)

    • George Bush Intercontinental Airport (IAH)

    • William P. Hobby Airport (HOU)

  • Travelling from central Denver to DEN takes around 1 hour 30 minutes by public transport. If you ride-share, drive or take a cab, you'll cover the 40 kilometres in 35 minutes or so, depending on traffic conditions.

  • Booking a night at a hotel can take the stress out of arriving at the airport on time. If you're looking for a place to stay before your flight from Denver to Liberia Airport, check out Baymont by Wyndham Denver International Airport. It's an easy drive from Denver International Airport.

  • 80.23% of flights departing from Denver International Airport reach their destination on time. Given its solid on-time performance, you're unlikely to be delayed when taking off from DEN.

  • DEN is located at 8500 Pena Boulevard.

About Liberia Airport (LIR)

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

  • RM669 is the best price for a one-way ticket from Denver to Liberia Airport. Return flights start from RM1,551. These fares may change based on demand and availability.

  • To snap up cheap flights from Denver to LIR, book your ticket three months before your departure date.

  • Organise your trip for August. That's the best month for scoring a great bargain on Denver to Liberia Airport tickets. If you're open to different travel dates, use the 'Whole month' tool to find the lowest price across every month.

  • Snapping up a cheap plane ticket from Denver to LIR is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll get in touch when a lower fare pops up.

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

The best time to fly from Denver to Liberia Airport (LIR)

  • May is the quietest month for flights from Denver to Liberia Airport (LIR), while July is the most popular. Pick the ideal time to go to Liberia based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • When booking your Denver to LIR plane ticket, consider the kind of weather forecast you're hoping for. April is the warmest month in Liberia, with temperatures ranging from 22ºC (72ºF) to 35ºC (95ºF).

  • If you want cooler conditions, look for a cheap ticket from Denver to Liberia Airport in November when temperatures are between 21ºC (70ºF) and 30ºC (86ºF).

More about Liberia

  • Start your Liberia trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from Denver to Liberia Airport, check out our range of accommodation options including:

  • You'll find plenty of things to do in Liberia when you're in the mood to sightsee. Kick off your itinerary at Ponderosa Adventure Park followed by Ecologico Park and Museo de Guanacaste.

Explore more of Costa Rica

  • You've seen Liberia, now it's time to discover other corners of Costa Rica. Travel about 177 kilometres south-east to San Jose to tick off its leading attractions. From National Park (Parque Nacional) to Jurassic World and Central Park (Parque Central), there's plenty to keep you on the go.

  • If you're eager to discover another corner of Costa Rica, consider Limon, about 274 kilometres east of Liberia. Veragua Rainforest Park, Playa Bonita and Playa Los Baños are among its highlights.

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