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Monrovia

$854+ Cheap flights from Philadelphia (PHL) to Monrovia (ROB)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ROB
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Philadelphia to Monrovia

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Monrovia (ROB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated junio 12, 2025.

Round-trip from

$1,552
(FlightHub)

One-way from

$854
(FlightHub)

Popular in

August

Cheapest in

January

Average price

$1,813
From Philadelphia to Monrovia Roberts Intl
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One-way flight from Philadelphia to Monrovia Roberts Intl
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Highest demand for flights based on searches. 3% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Philadelphia to Monrovia

Cheapest flights from Philadelphia to Monrovia
Explore the most affordable flight options available from Philadelphia to Monrovia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/173:30 pmPHL - ROB
3 stops24h 40mMultiple Airlines
mié. 3/2510:35 pmROB - PHL
2 stops24h 05mMultiple Airlines
Deal found 6/10$1,552
This Gurufare deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/173:00 pmPHL - ROB
2 stops25h 10mBrussels Airlines
mié. 3/2510:35 pmROB - PHL
2 stops24h 05mBrussels Airlines
Deal found 6/10$1,571
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/34:56 pmPHL - ROB
2 stops44h 49mUnited Airlines
mié. 3/2510:35 pmROB - PHL
2 stops29h 57mUnited Airlines
Deal found 6/10$1,766
This Ovago deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/219:10 pmPHL - ROB
3 stops50h 25mBritish Airways
mié. 1/215:35 amROB - PHL
2 stops39h 45mBritish Airways
Deal found 6/11$2,268

Cheapflights Fare Finder

Customize your flight search to find flights from Philadelphia to Monrovia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
Use the filters below to find and compare flights from Philadelphia to Monrovia that are best for you.

Fly from

Philadelphia

Fly to

Monrovia

Route

Depart

Return

Price

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

lun. 11/17

3:30 pm-9:10 pm

3 stops24h 40m

Monrovia Roberts Intl

mié. 3/25

10:35 pm-6:40 pm

2 stops24h 05m

$1,552

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

lun. 11/17

3:00 pm-9:10 pm

2 stops25h 10m

Monrovia Roberts Intl

mié. 3/25

10:35 pm-6:40 pm

2 stops24h 05m

$1,571

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

mié. 12/3

4:56 pm-6:45 pm

2 stops44h 49m

Monrovia Roberts Intl

mié. 3/25

10:35 pm-12:32 am

2 stops29h 57m

$1,766

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

jue. 7/24

3:20 pm-7:50 pm

3 stops24h 30m

$854

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Best time to book a flight from Philadelphia to Monrovia

Have a flexible travel schedule? Discover the best time to fly to Monrovia from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Monrovia

What is the cheapest month to book a flight from Philadelphia to Monrovia?

Currently, September is the cheapest month in which you can book a flight from Philadelphia to Monrovia (average of $1,197). Flying from Philadelphia to Monrovia in May is currently the most expensive (average of $1,858). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHL to ROB?

Find hourly flight availability from Philadelphia to Monrovia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Philadelphia to Monrovia at noon. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the evening.

Reviews of airlines servicing Monrovia

Get insights into the airlines that provide service to Monrovia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Monrovia. Reviews last updated junio 12, 2025.
Brussels Airlines
7.4
Good
355 reviews

Food

6.4

Boarding

7.5

Entertainment

6.3

Overall

7.4

Comfort

7.1

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

CLT - EWR

I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.
Brussels Airlines
7.4
Good
355 reviews
Brussels Airlines
7.4
Good
355 reviews

Food

6.4

Boarding

7.5

Entertainment

6.3

Overall

7.4

Comfort

7.1

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

CLT - EWR

I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.
United Airlines
7.4
Good
8,790 reviews
Brussels Airlines
7.4
Good
355 reviews

Food

6.4

Boarding

7.5

Entertainment

6.3

Overall

7.4

Comfort

7.1

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

CLT - EWR

I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Monrovia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Philadelphia to Monrovia round-trip?

    Our cheapest airline available from Philadelphia to Monrovia is Brussels Airlines. Our recent data shows that you can find tickets from as low as $1,571 on this airline. An additional option worth looking into is United Airlines, starting at $1,766. You may be able to fly from Philadelphia to Monrovia for 11% less than the average price by searching for these airlines.

  • Can I find deals for flights from Philadelphia to Monrovia that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Monrovia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Monrovia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Monrovia.

  • Can I find deals for business class flights from Philadelphia to Monrovia?

    Yes. Cheapflights offers flight deals from Philadelphia to Monrovia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Philadelphia to Monrovia?

    Currently, September is the cheapest month in which you can book a flight from Philadelphia to Monrovia (average of $1,197). Flying from Philadelphia to Monrovia in May is currently the most expensive (average of $1,858). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Philadelphia to Monrovia

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Monrovia flights
Newark to Monrovia flights
Dulles Intl to Monrovia flights
Reagan-National to Monrovia flights
LaGuardia to Monrovia flights

Top 2 airlines flying from Philadelphia to Monrovia

Discover the top 2 airlines that operate flights from Philadelphia to Monrovia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$1,489Average$1,587FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,589Average$1,753FlexibilityNo cancel feeOn-time69%

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