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Monrovia

$914+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ROB
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,716
(Qatar Airways)

One-way from

$914
(Gurufare)

Popular in

June

Cheapest in

November

Average price

$1,617
Provider with most accurate pricing for Philadelphia-Monrovia Roberts Intl flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Monrovia Roberts Intl flights.
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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. 5% potential increase in price ($112 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 17, 2025.

This FlightHub deal was found by Cheapflights users on 4/17. 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.
Wed 10/298:50 pmPHL - ROB
3 stops41h 00mMultiple Airlines
Wed 11/197:30 amROB - PHL
3 stops54h 30mMultiple Airlines
Deal found 4/17$1,387
This Gurufare deal was found by Cheapflights users on 4/17. 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.
Mon 11/102:37 pmPHL - ROB
2 stops25h 03mBrussels Airlines
Wed 11/1910:00 pmROB - PHL
2 stops25h 40mBrussels Airlines
Deal found 4/17$1,571
This Expedia deal was found by Cheapflights users on 4/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:45 pmPHL - ROB
2 stops25h 45mBritish Airways
Tue 11/183:30 amROB - PHL
2 stops38h 40mBritish Airways
Deal found 4/17$1,637
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Sat 5/103:10 pmPHL - ROB
3 stops24h 40mUnited Airlines
Wed 5/289:10 pmROB - PHL
2 stops30h 19mUnited Airlines
Deal found 4/17$1,858
This oojo deal was found by Cheapflights users on 4/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/263:05 pmPHL - ROB
3 stops22h 45mEthiopian Air
Sun 6/2910:45 amROB - PHL
3 stops31h 44mEthiopian Air
Deal found 4/17$2,501

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 April 17, 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

Sun 5/11

8:45 pm-5:50 pm

3 stops41h 05m

Monrovia Roberts Intl

Sun 6/15

7:30 am-9:00 am

3 stops53h 30m

$1,694

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Wed 5/14

7:30 pm-4:35 am

2 stops29h 05m

Monrovia Roberts Intl

Wed 6/18

5:45 am-3:25 pm

2 stops37h 40m

$1,787

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Tue 5/13

3:10 pm-7:50 pm

2 stops24h 40m

Monrovia Roberts Intl

Tue 6/10

9:10 pm-6:45 pm

2 stops25h 35m

$1,857

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Sat 5/10

3:10 pm-7:50 pm

3 stops24h 40m

Monrovia Roberts Intl

Wed 5/28

9:10 pm-11:29 pm

2 stops30h 19m

$1,858

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Thu 6/26

3:05 pm-5:50 pm

3 stops22h 45m

Monrovia Roberts Intl

Sun 6/29

10:45 am-2:29 pm

3 stops31h 44m

$2,501

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Sat 5/3

3:10 pm-7:50 pm

3 stops24h 40m

$914

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Sun 6/1

8:45 pm-5:50 pm

2 stops41h 05m

$1,490

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Compare providers for flights from Philadelphia to Monrovia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Monrovia in April.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
OvagoPrice Accuracy3 starsTrust Score*2 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Monrovia flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Philadelphia-Monrovia flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Philadelphia-Monrovia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Monrovia flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Monrovia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $1,864). 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 April 17, 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 April 17, 2025.
United Airlines
7.4
Good
8,667 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.0

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,667 reviews
United Airlines
7.4
Good
8,667 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.0

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Brussels Airlines
7.4
Good
345 reviews
United Airlines
7.4
Good
8,667 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.0

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Ethiopian Air
7.2
Good
766 reviews
United Airlines
7.4
Good
8,667 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.0

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 United Airlines. Our recent data shows that you can find tickets from as low as $1,858 on this airline. Additional options worth looking into are Brussels Airlines and Ethiopian Air, starting at $1,942 and $2,501 round-trip.

  • 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 $1,864). 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
LaGuardia to Monrovia flights
Reagan-National 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$1,489Average$1,602FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,582Average$2,089FlexibilityNo cancel feeOn-time69%

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