Cheap Flights from Philadelphia International to Monrovia Roberts

Compare Philadelphia International to Monrovia Roberts flight deals

Find the cheapest month or even day of the year to fly to Monrovia Roberts

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Flight deals from Philadelphia International to Monrovia Roberts

Looking for a cheap last-minute deal or the best return flight from Philadelphia International Airport to Monrovia Roberts Airport? If you want to travel next month, return fares start from Rs562,043. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Philadelphia International to Monrovia Roberts

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

Philadelphia International to Monrovia Roberts: Alternative routes

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

Philadelphia to Monrovia: Flight information

The things to know before you go.
Cheapest flight foundRs171,141
Cheapest month to flySeptember

Finding cheap flights from Philadelphia International to Monrovia Roberts: Frequently asked questions

The best price we found for a return flight from Philadelphia International to Monrovia Roberts is Rs562,043. 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 Philadelphia International to Monrovia Roberts. But we found flights with one or more stops from Rs562,043.
As of July 2026, there are no flights flying from Philadelphia International to Monrovia Roberts.
The cheapest month to fly from Philadelphia International to Monrovia Roberts is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Philadelphia International Airport to Monrovia Roberts Airport on Saturday, 22 August 2026.
No airlines currently offer direct flights between Philadelphia International Airport and Monrovia Roberts 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 Monrovia Roberts 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 Monrovia is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Frontier Airlines offers the cheapest flight tickets to Monrovia Roberts.

Travelling from Philadelphia International Airport (PHL) to Monrovia Roberts Airport (ROB): what you need to know

  • The timezone in Monrovia is UTC+0, which is five hours ahead of Philadelphia.

  • Your PHL to ROB flight won't wait if you're late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • Be prepared for bigger queues during popular months such as August. Arriving up to four hours ahead of international flights and two hours for a domestic departure will help ensure a smooth travel experience.

How to find the cheapest flights from Philadelphia International Airport (PHL) to Monrovia Roberts Airport (ROB)

  • Rs171,141 is currently the lowest price for a one-way Philadelphia International Airport to Monrovia Roberts Airport flight. Return flights start from Rs562,043. These fares can change based on demand and availability.

  • To pick up cheap tickets from PHL to ROB, book ahead. Airlines usually offer the most competitive fares when flights are first made available.

  • If you're willing to be flexible with your trip dates, try using the 'Whole month' tool. It'll find the cheapest price across the month when looking for your flight from Philadelphia International Airport to Monrovia Roberts Airport.

  • There's no need to check every day to see if fares have gone down when you set up a Price Alert. We'll notify you as soon as there's a change in price on cheap flights from PHL to ROB.

  • Pick your ideal departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Philadelphia International Airport to Monrovia Roberts Airport.

Handy information about Philadelphia International Airport (PHL)

  • The address for PHL is 8500 Essington Ave.

  • When it comes to Philadelphia International Airport's on-time performance, data shows 77% of flights stick to their scheduled arrival time.

  • Central Philadelphia to Philadelphia International Airport is around 18 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, ride-sharing or catching a taxi.

  • Expect a trip time of about 30 minutes when using public transport.

  • Have an early flight from Philadelphia International Airport to Monrovia Roberts Airport? Avoid the last-minute rush to the terminal (and sneak in some extra precious sleep) by choosing one of these stays close to PHL:

Arriving at Monrovia Roberts Airport (ROB)

  • Stay moments from your arrivals gate if you're getting in on a late Philadelphia International Airport to Monrovia Roberts Airport flight. The Farmington Hotel is one option close to ROB. Or check in and enjoy some rest at Royal Ambassador Hotel before continuing to your final destination.

Getting from Monrovia Roberts Airport (ROB) to central Monrovia

  • From Monrovia Roberts Airport, Monrovia is approximately 48 kilometres away. It takes around 1 hour 5 minutes to reach the centre by car.

  • It'll take around 2 hours to get there by public transport.

When to fly to Monrovia Roberts Airport (ROB)

  • The quietest month for a flight from Philadelphia International Airport to Monrovia Roberts Airport is March, while December is the busiest. Choose the ideal time to go to Monrovia based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • When reserving your flight from Philadelphia International Airport to Monrovia Roberts Airport, consider the type of weather you enjoy. January is the warmest month in Monrovia, with the temperature ranging from 24ºC to 31ºC.

  • For cooler conditions, search for a cheap ticket from PHL to ROB in August. Temperatures average between 23ºC and 26ºC then.

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