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Cheap Flights from Washington D.C. (IAD) to Liberia (LIR)

Compare Washington Dulles 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 Washington Dulles to Liberia

Looking for a cheap last-minute deal or the best return flight from Washington Dulles Airport to Liberia Airport? If you want to travel next month, return fares start from $741. Find the lowest prices on one-way and return tickets right here.
Liberia.$498 per passenger.Departing Mon, 21 Sep, returning Fri, 25 Sep.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Mon, 21 Sep, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Fri, 25 Sep, arriving in Washington Dulles.Price includes taxes and charges.From $498, select.
Liberia.$499 per passenger.Departing Wed, 6 Jan, returning Wed, 13 Jan.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Wed, 6 Jan, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Wed, 13 Jan, arriving in Washington Dulles.Price includes taxes and charges.From $499, select.
Liberia.$502 per passenger.Departing Thu, 29 Oct, returning Tue, 3 Nov.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Thu, 29 Oct, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Tue, 3 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $502, select.
Liberia.$504 per passenger.Departing Sat, 24 Oct, returning Thu, 29 Oct.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Sat, 24 Oct, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Thu, 29 Oct, arriving in Washington Dulles.Price includes taxes and charges.From $504, select.
Liberia.$505 per passenger.Departing Fri, 25 Sep, returning Fri, 2 Oct.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Fri, 25 Sep, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Fri, 2 Oct, arriving in Washington Dulles.Price includes taxes and charges.From $505, select.
Liberia.$515 per passenger.Departing Wed, 27 Jan, returning Tue, 2 Feb.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Wed, 27 Jan, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Tue, 2 Feb, arriving in Washington Dulles.Price includes taxes and charges.From $515, select.
Liberia.$520 per passenger.Departing Tue, 8 Dec, returning Mon, 14 Dec.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Tue, 8 Dec, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Mon, 14 Dec, arriving in Washington Dulles.Price includes taxes and charges.From $520, select.
Liberia.$529 per passenger.Departing Wed, 26 Aug, returning Fri, 4 Sep.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Wed, 26 Aug, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Fri, 4 Sep, arriving in Washington Dulles.Price includes taxes and charges.From $529, select.
Liberia.$531 per passenger.Departing Wed, 4 Nov, returning Sun, 8 Nov.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Wed, 4 Nov, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Sun, 8 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $531, select.
Liberia.$545 per passenger.Departing Tue, 23 Feb, returning Tue, 9 Mar.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Tue, 23 Feb, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Tue, 9 Mar, arriving in Washington Dulles.Price includes taxes and charges.From $545, select.
Liberia.$603 per passenger.Departing Mon, 1 Mar, returning Fri, 5 Mar.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Mon, 1 Mar, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Fri, 5 Mar, arriving in Washington Dulles.Price includes taxes and charges.From $603, select.
Liberia.$616 per passenger.Departing Mon, 27 Jul, returning Mon, 3 Aug.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Mon, 27 Jul, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Mon, 3 Aug, arriving in Washington Dulles.Price includes taxes and charges.From $616, select.
Liberia.$631 per passenger.Departing Tue, 9 Feb, returning Tue, 23 Feb.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Tue, 9 Feb, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Tue, 23 Feb, arriving in Washington Dulles.Price includes taxes and charges.From $631, select.
Liberia.$697 per passenger.Departing Sat, 28 Nov, returning Thu, 3 Dec.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Sat, 28 Nov, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Thu, 3 Dec, arriving in Washington Dulles.Price includes taxes and charges.From $697, select.
Liberia.$741 per passenger.Departing Sat, 22 Aug, returning Sat, 29 Aug.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Sat, 22 Aug, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Sat, 29 Aug, arriving in Washington Dulles.Price includes taxes and charges.From $741, select.
Liberia.$794 per passenger.Departing Thu, 17 Dec, returning Mon, 21 Dec.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Thu, 17 Dec, arriving in Liberia.Inbound direct flight with United departs from Liberia on Mon, 21 Dec, arriving in Washington Dulles.Price includes taxes and charges.From $794, select.

Find the cheapest month to fly from Washington Dulles to Liberia

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Liberia flights are currently cheapest in September.
Jul
Find prices
Aug
from $741
Sep
from $498
Oct
from $504
Nov
from $531
Dec
from $520
Jan
from $499
Feb
from $631
Mar
from $603
Apr
from $988
May
Find prices
Jun
from $2,357

Direct flights from Washington Dulles to Liberia

Washington Dulles to Liberia: Alternative routes

Compare routes from Washington Dulles 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 $498
Search flights

Tamarindo

54km from central Liberia
Search flights

Nosara Beach

76km from central Liberia
Search flights

Washington D.C. to Liberia: Flight information

The things to know before you go.
Cheapest flight found$498
Cheapest month to flySeptember
Average flight time4 hrs, 59 mins
Most popular airlineUnited
Average flights per week7

Finding cheap flights from Washington Dulles to Liberia: Frequently asked questions

The best price we found for a return flight from Washington Dulles to Liberia is $498. 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.
4 hours and 59 minutes is the average flight time from Washington Dulles to Liberia.
United flies direct from Washington Dulles to Liberia.
As of July 2026, there are 7 flights per week flying from Washington Dulles to Liberia.
The cheapest month to fly from Washington Dulles to Liberia is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Liberia Airport on Monday, 21 September 2026.
Yes – the average flight time is 4 hours and 59 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, United offers the cheapest flight tickets to Liberia.

Travelling from Washington Dulles Airport (IAD) to Liberia Airport (LIR): what you need to know

  • Liberia's timezone is UTC-6, making Liberia one hour behind Washington DC.

  • Arrive at the airport on time so you don't miss your IAD to LIR flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • Be prepared for bigger queues in popular months such as July. Arriving up to four hours in advance for an international flight and two hours for domestic departures will help ensure a smooth travel experience.

  • We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from Washington Dulles Airport to Liberia Airport, deselect 'Direct flights only.' Then, pick a flight with a stop long enough to visit the city of your choice. Stopovers between IAD and LIR include:

    • Atlanta Hartsfield-Jackson Airport

    • Charlotte Douglas Airport

    • Houston George Bush Intercntl. Airport

How to find the cheapest flights from Washington Dulles Airport (IAD) to Liberia Airport (LIR)

  • $226 is the lowest price for a one-way Washington Dulles Airport to Liberia Airport flight. A return flight starts at $498. These fares can change depending on availability.

  • Don't wait until the last moment. You're more likely to get cheap tickets from IAD to LIR if you book in advance. Airlines often offer some excellent early bird discounts.

  • The 'Whole month' search tool shows you the cheapest flights from Washington Dulles Airport to Liberia Airport across the entire month. It's an easy way to find a bargain if your trip dates are flexible.

  • Picking up cheap flights from IAD 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 when fares go down.

  • Secure the ideal flight for you with the help of the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Washington Dulles Airport to Liberia Airport, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and number of stops.

Handy information about Washington Dulles Airport (IAD)

  • IAD is located at 1 Saarinen Circle.

  • Of all flights departing from Washington Dulles Airport, 77% arrive as scheduled at their destination.

  • Washington Dulles Airport is about 40 kilometres from central Washington DC. If you're catching a taxi, ride-sharing or driving from the centre, it'll take you 45 minutes or so to arrive, depending on the traffic.

  • Expect a trip time of about 1 hour 10 minutes on public transport.

  • Need a handy hotel close to IAD? If you're catching an early flight from Washington Dulles Airport to Liberia Airport, these stays will have you moments from your departure gate:

Arriving at Liberia Airport (LIR)

Getting from Liberia Airport (LIR) to central Liberia

  • Liberia Airport is roughly 13 kilometres from central Liberia. Driving there takes about 20 minutes.

  • When travelling on public transport, expect a journey time of roughly 30 minutes.

When to fly to Liberia Airport (LIR)

  • It's time to work out your travel dates for your flight from Washington Dulles Airport to Liberia Airport. April is the busiest month to visit Liberia. If you prefer a more relaxed vibe, go in September.

  • The warmest month in Liberia is April, with temperatures ranging between 22ºC (72ºF) and 35ºC (95ºF). Lock in your flights from Washington Dulles Airport to Liberia Airport in this month if this is the type of weather you like.

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

Explore more of Costa Rica

  • Liberia has loads to offer, but there are so many other corners of Costa Rica just waiting to be explored. About 161 kilometres south-east of Liberia, a trip to San Jose will keep your itinerary packed. Don't miss top attractions 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. Experience this destination's highlights firsthand at Veragua Rainforest Park, Playa Bonita and Playa Los Baños.

Plan smart, explore more

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Plan the rest of your trip from Washington D.C. to Liberia

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