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$995+ Cheap flights from Monrovia (ROB) to Philadelphia (PHL)

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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
ROB — PHL
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Cheap flight deals from Monrovia to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Monrovia (ROB) to Philadelphia (PHL). 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 octubre 30, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars
Provider with most accurate pricing for Monrovia Roberts Intl-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Monrovia Roberts Intl-Philadelphia flights.
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Find flight deals from Monrovia to Philadelphia

One-way flights from Monrovia to Philadelphia
Search for one-way flight options from Monrovia to Philadelphia. Find affordable one-way fares based on user searches. Data last updated octubre 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/143:05 amROB - PHL
2 stops34h 45mMultiple Airlines
Deal found 10/29$995
This oojo deal was found by Cheapflights users on 10/29. 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.
mar. 12/27:30 amROB - PHL
2 stops30h 50mMultiple Airlines
Deal found 10/29$1,001
This oojo deal was found by Cheapflights users on 10/29. 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.
mié. 2/187:30 amROB - PHL
3 stops54h 30mMultiple Airlines
Deal found 10/29$1,004
This FlightHub deal was found by Cheapflights users on 10/29. 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.
jue. 11/206:40 pmROB - PHL
2 stops43h 25mMultiple Airlines
Deal found 10/29$1,042
This Orbitz deal was found by Cheapflights users on 10/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/166:40 pmROB - PHL
2 stops43h 20mMultiple Airlines
Deal found 10/29$1,081
This Ovago deal was found by Cheapflights users on 10/29. 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.
mar. 2/173:05 amROB - PHL
3 stops35h 20mBritish Airways
Deal found 10/29$1,327
This United Airlines deal was found by Cheapflights users on 10/29. 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. 2/1810:45 pmROB - PHL
2 stops27h 53mUnited Airlines
Deal found 10/29$1,340
This Orbitz deal was found by Cheapflights users on 10/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/1510:45 pmROB - PHL
2 stops25h 19mBrussels Airlines
Deal found 10/29$1,345

Cheapflights Fare Finder

 
Customize your flight search to find flights from Monrovia to Philadelphia 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 octubre 30, 2025.
Use the filters below to find and compare flights from Monrovia to Philadelphia that are best for you.

Fly from

Monrovia

Fly to

Philadelphia

Route

Depart

Return

Price

MonroviaPhiladelphia

ROB - PHL

ROBPHL

Monrovia Roberts Intl

sáb. 2/14

3:05 am-8:50 am

2 stops34h 45m

$995

MonroviaPhiladelphia

ROB - PHL

ROBPHL

Monrovia Roberts Intl

mar. 12/2

7:30 am-9:20 am

2 stops30h 50m

$1,001

MonroviaPhiladelphia

ROB - PHL

ROBPHL

Monrovia Roberts Intl

jue. 11/20

6:40 pm-9:05 am

2 stops43h 25m

$1,042

MonroviaPhiladelphia

ROB - PHL

ROBPHL

Monrovia Roberts Intl

mar. 2/17

3:05 am-9:00 am

2 stops34h 55m

$1,048

MonroviaPhiladelphia

ROB - PHL

ROBPHL

Monrovia Roberts Intl

lun. 2/16

6:40 pm-9:00 am

2 stops43h 20m

$1,081

MonroviaPhiladelphia

ROB - PHL

ROBPHL

Monrovia Roberts Intl

mar. 2/17

3:05 am-9:25 am

3 stops35h 20m

$1,327

MonroviaPhiladelphia

ROB - PHL

ROBPHL

Monrovia Roberts Intl

mié. 2/18

10:45 pm-9:38 pm

2 stops27h 53m

$1,340

MonroviaPhiladelphia

ROB - PHL

ROBPHL

Monrovia Roberts Intl

mar. 2/17

7:30 am-8:50 am

3 stops54h 20m

$1,348

MonroviaPhiladelphia

ROB - PHL

ROBPHL

Monrovia Roberts Intl

mar. 12/2

10:45 pm-7:08 pm

3 stops49h 23m

$1,380

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Compare providers for flights from Monrovia to Philadelphia

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 Monrovia to Philadelphia in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 Monrovia-Philadelphia flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Monrovia-Philadelphia flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Monrovia-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Monrovia-Philadelphia flights, Cheapflights users trust Justfly.com the most. Justfly.com 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 Monrovia-Philadelphia 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 Monrovia to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Monrovia 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 Monrovia to Philadelphia

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

Currently, July is the cheapest month in which you can book a flight from Monrovia to Philadelphia (average of $1,098). Flying from Monrovia to Philadelphia in September is currently the most expensive (average of $1,460). 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.

Related info for your journey

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Monrovia to Philadelphia 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 Monrovia to Philadelphia?

    Currently, July is the cheapest month in which you can book a flight from Monrovia to Philadelphia (average of $1,098). Flying from Monrovia to Philadelphia in September is currently the most expensive (average of $1,460). 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

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
King of Prussia
Pottstown
Reading
Ocean City
Cherry Hill
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
Newark
Millville
Chester
Exton
Havre de Grace

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Alternative routes for Monrovia to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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