Cheap Flights from Denver International to Liberia

Compare Denver 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 Denver International to Liberia

Looking for a cheap last-minute deal or the best return flight from Denver International Airport to Liberia Airport? If you want to travel next month, return fares start from R 8,067. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver International to Liberia

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

Direct flights from Denver International to Liberia

Denver International to Liberia: Alternative routes

Compare routes from Denver International 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 foundR 2,939
Cheapest month to flyAugust
Average flight time5 hrs, 8 mins
Most popular airlineUnited
Average flights per week8

Finding cheap flights from Denver International to Liberia: Frequently asked questions

The best price we found for a return flight from Denver International to Liberia is R 6,597. 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 8 minutes is the average flight time from Denver International to Liberia.
United and Southwest Airlines fly direct from Denver International to Liberia.
As of July 2026, there are 8 flights per week flying from Denver International to Liberia.
The cheapest month to fly from Denver International to Liberia is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Liberia Airport on Friday, 11 September 2026.
Yes – the average flight time is 5 hours and 8 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, Frontier Airlines and United offer the cheapest flight tickets to Liberia.

Flying from Denver International Airport (DEN) to Liberia Airport (LIR): what you need to know

  • Jump on a direct flight from Denver International Airport to Liberia Airport and you'll be travelling for an average of 5 hours 15 minutes.

  • Liberia is one hour ahead of Denver and follows the UTC-6 timezone.

  • Each week, there are six Denver International Airport to Liberia Airport flights. To get going as soon as possible, opt for the 07:55 Southwest Airlines flight. If you're eager to make the most of your time before flying, the latest flight is at 10:21 with United Airlines.

  • Leave enough time to catch your DEN to LIR flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as July, you'll want to get to the airport earlier than normal. Arrive two hours before domestic departures and four hours ahead of an international flight when you fly during a peak period in general.

  • Jetting into Liberia (and then discovering more of Costa Rica!) is a cinch with United. This popular airline offers direct flights from Denver International Airport to Liberia Airport.

  • United is the airline most travellers choose to fly with on this route.

  • United is a leader in on-time performance for DEN to LIR flights, with 82.69% of services arriving as scheduled.

  • If you want to add a stop to your trip, simply uncheck 'Direct flights only' when searching for your ticket from Denver International Airport to Liberia Airport. Here are the most popular stopovers between DEN and LIR:

    • Dallas Fort Worth International Airport

    • Houston George Bush Intercntl. Airport

    • Houston Hobby Airport

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

  • R 2,939 is currently the best price for a one-way Denver International Airport to Liberia Airport flight. A return flight starts from R 6,597. These prices may change depending on availability.

  • Get cheap tickets from DEN to LIR by booking at least three months ahead. Based on our research, that's the sweet spot for finding the biggest deals.

  • August is the cheapest month for flights from Denver International Airport to Liberia Airport. If you want to travel at a different time of year, the 'Whole month' tool will show you the lowest prices for each month.

  • Getting your hands on cheap flights from DEN to LIR is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch when there's a better deal.

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

Handy information about Denver International Airport (DEN)

  • You'll find DEN at 8500 Pena Boulevard.

  • Denver International Airport has an excellent on-time performance, making delays less likely. Departures from DEN land on schedule 80% of the time.

  • Central Denver to Denver International Airport is around 40 kilometres. Depending on traffic, it'll take you about 35 minutes to get there if you're driving, catching a taxi or ride-sharing.

  • You can expect a journey time of roughly 35 minutes when using public transport.

  • Need a hotel to stay in before your flight from Denver International Airport to Liberia Airport? Check out Baymont by Wyndham Denver International Airport. Enjoy a good night's sleep here before heading to DEN.

Arriving at Liberia Airport (LIR)

  • If you're coming in on a late Denver International Airport to Liberia Airport flight, few things top the convenience of staying near the terminal. Grab your suitcases from the carousel and then be showered and snoozing soon after at one of these hotels near LIR:

  • Get on the fast track to adventure by picking up a Liberia Airport rental car. Grab a set of wheels from Avis, Europcar or NU Car Rentals and explore beyond Liberia's main sights.

  • Secure the lowest price by booking your ride from Liberia Airport about two weeks ahead of your trip.

Getting from Liberia Airport (LIR) to central Liberia

  • Liberia Airport to the centre of Liberia has a drive time of around 20 minutes. It's approximately 13 kilometres away.

  • Getting there by public transport takes roughly 30 minutes.

When to fly to Liberia Airport (LIR)

  • April is the most popular month for flights from Denver International Airport to Liberia Airport. For a quieter experience, head to Liberia in September.

  • The warmest month in Liberia is April, with the temperature ranging between 22ºC (72ºF) and 35ºC (95ºF). Book your flights from Denver International Airport to Liberia Airport in this month if you like this kind of weather.

  • Search for cheap tickets from DEN to LIR in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 21ºC (70ºF) and 32ºC (90ºF) on average.

Explore more of Costa Rica

  • Liberia has loads to offer, but there are so many other parts of Costa Rica you'll want to see. Around 161 kilometres south-east of Liberia, a visit to San Jose will keep you on the move. Start with leading sights like National Park (Parque Nacional), Central Park (Parque Central) and Precolumbian Gold Museum.

  • Around 274 kilometres east of Liberia, Limon is another essential stop in Costa Rica. No visit is complete without checking out Veragua Rainforest Park, Playa Bonita and Playa Los Baños.

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