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$1,396+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
ROB — PHL
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$2,164
(StudentUniverse)

One-way from

$1,396
(Gurufare)
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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From Monrovia Roberts Intl to Philadelphia
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One-way flight from Monrovia Roberts Intl to Philadelphia
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Find flight deals from Monrovia to Philadelphia

Cheapest flights from Monrovia to Philadelphia
Explore the most affordable flight options available from Monrovia to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This StudentUniverse deal was found by Cheapflights users on 4/29. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/139:10 pmROB - PHL
2 stops22h 50mBrussels Airlines
Mon 6/165:35 pmPHL - ROB
2 stops22h 15mBrussels Airlines
Deal found 4/29$2,164
This Gurufare deal was found by Cheapflights users on 4/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1310:45 amROB - PHL
3 stops31h 20mMultiple Airlines
Mon 6/162:50 pmPHL - ROB
3 stops23h 00mMultiple Airlines
Deal found 4/29$2,809

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 May 1, 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

Tue 5/13

9:10 pm-4:00 pm

2 stops22h 50m

Philadelphia

Mon 6/16

5:35 pm-7:50 pm

2 stops22h 15m

$2,164

MonroviaPhiladelphia

ROB - PHL

ROBPHL

Monrovia Roberts Intl

Tue 5/13

10:45 am-2:05 pm

3 stops31h 20m

Philadelphia

Mon 6/16

2:50 pm-5:50 pm

3 stops23h 00m

$2,809

MonroviaPhiladelphia

ROB - PHL

ROBPHL

Monrovia Roberts Intl

Mon 5/26

7:30 am-2:09 pm

3 stops34h 39m

$1,396

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

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 May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*2 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Monrovia-Philadelphia flight deals on Cheapflights vs. AranGrant >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 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 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

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated May 1, 2025.
Brussels Airlines
7.4
Good
346 reviews

Food

6.4

Boarding

7.4

Crew

8.0

Entertainment

6.2

Comfort

7.0

Overall

7.4

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
346 reviews
Brussels Airlines
7.4
Good
346 reviews

Food

6.4

Boarding

7.4

Crew

8.0

Entertainment

6.2

Comfort

7.0

Overall

7.4

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 Monrovia to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Monrovia to Philadelphia round-trip?

    Our cheapest airline available from Monrovia to Philadelphia is Brussels Airlines. Our recent data shows that you can find tickets from as low as $2,164 on this airline.

  • 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, August is the cheapest month in which you can book a flight from Monrovia to Philadelphia (average of $236). Flying from Monrovia to Philadelphia in March is currently the most expensive (average of $295). 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 Monrovia?

Book flights to Monrovia if you plan to visit one of these locations
Vineland
Pottstown
Wildwood
King of Prussia
Reading
Cherry Hill
Exton
Ocean City
Essington
Chester
Middletown
Willow Grove
Newark
Millville
Ephrata
Camden
Dewey Beach
West Chester
Malvern
Dover

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Alternative routes for Monrovia to Philadelphia

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