Cheap Flights from Philadelphia International to Liberia

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Compare Philadelphia International 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 Philadelphia International to Liberia

Looking for a cheap last-minute deal or the best return flight from Philadelphia International Airport to Liberia Airport? If you want to travel next month, return fares start from $642. Find the lowest prices on one-way and return tickets right here.

Liberia.$561 per passenger.Departing Tue, 19 Jan, returning Tue, 26 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Tue, 19 Jan, arriving in Liberia.Inbound indirect flight with Delta, departs from Liberia on Tue, 26 Jan, arriving in Philadelphia International.Price includes taxes and charges.From $561, select.

Liberia.$566 per passenger.Departing Mon, 7 Dec, returning Thu, 17 Dec.Return flight with United.Outbound indirect flight with United, departs from Philadelphia International on Mon, 7 Dec, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Thu, 17 Dec, arriving in Philadelphia International.Price includes taxes and charges.From $566, select.

Liberia.$576 per passenger.Departing Tue, 27 Oct, returning Tue, 3 Nov.Return flight with United.Outbound indirect flight with United, departs from Philadelphia International on Tue, 27 Oct, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Tue, 3 Nov, arriving in Philadelphia International.Price includes taxes and charges.From $576, select.

Liberia.$603 per passenger.Departing Sun, 25 Oct, returning Fri, 30 Oct.Return flight with United.Outbound indirect flight with United, departs from Philadelphia International on Sun, 25 Oct, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Fri, 30 Oct, arriving in Philadelphia International.Price includes taxes and charges.From $603, select.

Liberia.$642 per passenger.Departing Sun, 15 Nov, returning Wed, 25 Nov.Return flight with United.Outbound indirect flight with United, departs from Philadelphia International on Sun, 15 Nov, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Wed, 25 Nov, arriving in Philadelphia International.Price includes taxes and charges.From $642, select.

Liberia.$676 per passenger.Departing Sat, 5 Dec, returning Fri, 1 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Sat, 5 Dec, arriving in Liberia.Inbound indirect flight with Delta, departs from Liberia on Fri, 1 Jan, arriving in Philadelphia International.Price includes taxes and charges.From $676, select.

Liberia.$676 per passenger.Departing Sat, 5 Dec, returning Tue, 2 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Sat, 5 Dec, arriving in Liberia.Inbound indirect flight with Delta, departs from Liberia on Tue, 2 Feb, arriving in Philadelphia International.Price includes taxes and charges.From $676, select.

Liberia.$709 per passenger.Departing Sun, 29 Nov, returning Thu, 3 Dec.Return flight with United.Outbound indirect flight with United, departs from Philadelphia International on Sun, 29 Nov, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Thu, 3 Dec, arriving in Philadelphia International.Price includes taxes and charges.From $709, select.

Liberia.$711 per passenger.Departing Sat, 5 Dec, returning Tue, 2 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Sat, 5 Dec, arriving in Liberia.Inbound indirect flight with Delta, departs from Liberia on Tue, 2 Mar, arriving in Philadelphia International.Price includes taxes and charges.From $711, select.

Liberia.$711 per passenger.Departing Sat, 6 Feb, returning Thu, 11 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Sat, 6 Feb, arriving in Liberia.Inbound indirect flight with Delta, departs from Liberia on Thu, 11 Feb, arriving in Philadelphia International.Price includes taxes and charges.From $711, select.

Liberia.$775 per passenger.Departing Sun, 3 Jan, returning Sun, 28 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Sun, 3 Jan, arriving in Liberia.Inbound indirect flight with Delta, departs from Liberia on Sun, 28 Mar, arriving in Philadelphia International.Price includes taxes and charges.From $775, select.

Liberia.$775 per passenger.Departing Mon, 1 Feb, returning Sun, 28 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Mon, 1 Feb, arriving in Liberia.Inbound indirect flight with Delta, departs from Liberia on Sun, 28 Mar, arriving in Philadelphia International.Price includes taxes and charges.From $775, select.

Liberia.$817 per passenger.Departing Wed, 27 Jan, returning Mon, 1 Feb.Return flight with United.Outbound indirect flight with United, departs from Philadelphia International on Wed, 27 Jan, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Mon, 1 Feb, arriving in Philadelphia International.Price includes taxes and charges.From $817, select.

Liberia.$889 per passenger.Departing Sat, 1 May, returning Wed, 12 May.Return flight with United.Outbound indirect flight with United, departs from Philadelphia International on Sat, 1 May, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Wed, 12 May, arriving in Philadelphia International.Price includes taxes and charges.From $889, select.

Liberia.$1,067 per passenger.Departing Wed, 7 Apr, returning Mon, 12 Apr.Return flight with United.Outbound indirect flight with United, departs from Philadelphia International on Wed, 7 Apr, arriving in Liberia.Inbound indirect flight with United, departs from Liberia on Mon, 12 Apr, arriving in Philadelphia International.Price includes taxes and charges.From $1,067, select.

Liberia.$1,241 per passenger.Departing Sun, 18 Jul, returning Sat, 24 Jul.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Philadelphia International on Sun, 18 Jul, arriving in Liberia.Inbound indirect flight with Southwest Airlines, departs from Liberia on Sat, 24 Jul, arriving in Philadelphia International.Price includes taxes and charges.From $1,241, select.

Find the cheapest month to fly from Philadelphia International to Liberia

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

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Direct flights from Philadelphia International to Liberia

Philadelphia International to Liberia: Alternative routes

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

Philadelphia to Liberia: Flight information

The things to know before you go.

Cheapest flight found	$561
Cheapest month to fly	January
Average flight time	5 hrs, 19 mins
Most popular airline	American Airlines
Average flights per week	1

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

How much are return flights from Philadelphia International to Liberia?

The best price we found for a return flight from Philadelphia International to Liberia is $561. 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.

How long does it take to fly from Philadelphia International to Liberia?

5 hours and 19 minutes is the average flight time from Philadelphia International to Liberia.

Which airlines fly direct from Philadelphia International to Liberia?

American Airlines flies direct from Philadelphia International to Liberia.

How many flights are there a week from Philadelphia International to Liberia?

As of October 2026, there is one flight per week flying from Philadelphia International to Liberia.

When is the cheapest time to fly from Philadelphia International to Liberia?

The cheapest month to fly from Philadelphia International to Liberia is usually January.

Which upcoming date is cheapest to fly from Philadelphia International Airport to Liberia Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Philadelphia International Airport to Liberia Airport on Tuesday, 19 January 2027.

Can I get a direct flight from Philadelphia International Airport to Liberia Airport?

Yes – the average flight time is 5 hours and 19 minutes.

How can I find the best flight deal to Liberia?

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.

When is the best time to book flights to Liberia?

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.

Which is the cheapest airline to fly from Philadelphia International Airport to Liberia with?

Currently, Delta offers the cheapest flight tickets to Liberia.

Flying from Philadelphia International Airport (PHL) to Liberia Airport (LIR): what you need to know

Around 5 hours 10 minutes is how long you can expect to be travelling on a direct flight from Philadelphia International Airport to Liberia Airport.
Liberia's timezone is UTC-6, making Liberia one hour behind Philadelphia.
Leave enough time to catch your PHL to LIR flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.
Flying during a peak time like August? Major public holidays and other popular seasons can result in longer queues at security. Play things extra safe and get there up to four hours ahead of an international flight and two hours before domestic departures.
American Airlines is your gateway to exploring Liberia (and perhaps some other exciting corners of Costa Rica!). Browse the direct flights from Philadelphia International Airport to Liberia Airport offered by this popular carrier.
American Airlines is the airline most travellers choose to fly with on this route.
American Airlines is the most punctual carrier that offers PHL to LIR flights.
We make it a breeze to book a flight with a stopover. To see your options for tickets from Philadelphia International Airport to Liberia Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to visit your chosen city. Stopovers between PHL and LIR include:
- Atlanta Hartsfield-Jackson Airport
- Boston Logan International Airport
- Miami International Airport

How to find the cheapest flights from Philadelphia International Airport (PHL) to Liberia Airport (LIR)

Currently, $251 is the cheapest price we've seen for a one-way Philadelphia International Airport to Liberia Airport flight. The best price for a return plane ticket is $561. Bear in mind that fares may change due to demand at the time of booking.
Don't leave everything to the last moment. You're more likely to find cheap tickets from PHL to LIR if you book early. Airlines often have some amazing early bird rates.
Plan your trip for May. That's the cheapest month for flights from Philadelphia International Airport to Liberia Airport. If your travel dates are flexible, use the 'Whole month' tool to see the lowest airfare across every month.
Finding cheap flights from PHL to LIR is easy with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as a new deal comes up.
Tailor your trip with filters. Choose your departure and arrival times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Philadelphia International Airport to Liberia Airport.

Handy information about Philadelphia International Airport (PHL)

PHL's address is 8500 Essington Ave.
Of the flights that depart from Philadelphia International Airport, 77% arrive on time at their destination.
To get to Philadelphia International Airport from central Philadelphia, it takes about 20 minutes by car. Of course, this depends on traffic conditions. It's approximately 18 kilometres from the airport to the city centre.
You can expect a journey time of around 30 minutes when using public transport.
Get your journey off to a relaxed start by staying near PHL. Whether you're catching an early flight from Philadelphia International Airport to Liberia Airport or just don't want to be rushed, these hotels are perfect:

Arriving at Liberia Airport (LIR)

The last thing you need is a lengthy trip to your hotel if you're arriving on a late Philadelphia International Airport to Liberia Airport flight. Stay at one of these accommodation options near LIR instead:
Explore without limits with a Liberia Airport rental car. Pick up your wheels from Avis, Europcar or NU Car Rentals and chase adventure across Liberia and beyond.
Lock in the lowest price by reserving your ride from Liberia Airport around two weeks before your departure date.

When to fly to Liberia Airport (LIR)

It's time to work out your trip dates for your flight from Philadelphia International Airport to Liberia Airport. April is the most popular month to head to Liberia. If you prefer a more low-key vibe, go in September.
The warmest month in Liberia is April, with the temperature ranging between 22ºC and 35ºC. Book your flights from Philadelphia International Airport to Liberia Airport in this month if this is the type of weather you like.
January sees average temperatures of between 21ºC and 32ºC. Look for cheap tickets from PHL to LIR sometime around then if you want to travel when it's cooler.

Explore more of Costa Rica

You've seen Liberia, now it's time to discover other parts of Costa Rica. Journey around 161 kilometres south-east to San Jose to check off its popular sights. From National Park (Parque Nacional) to Central Park (Parque Central) and Precolumbian Gold Museum, you'll have a packed itinerary ahead.
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.