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Monrovia

$536+ Cheap flights from Pennsylvania 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ROB
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from Pennsylvania to Monrovia

Cheapest flights from Pennsylvania to Monrovia
Explore the most affordable flight options available from Pennsylvania to Monrovia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This oojo deal was found by Cheapflights users on 2/1. 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.
Wed 9/309:00 pm
IAD
-
ROB
1 stop27h 35m
Royal Air Maroc
Wed 10/215:45 am
ROB
-
IAD
1 stop17h 15m
Royal Air Maroc
Deal found 2/1$1,003
This FlightHub deal was found by Cheapflights users on 2/3. 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 2/188:45 pm
IAD
-
ROB
1 stop24h 20m
Royal Air Maroc
Fri 5/225:45 am
ROB
-
IAD
1 stop17h 15m
Royal Air Maroc
Deal found 2/3$1,013
This oojo deal was found by Cheapflights users on 2/2. 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.
Fri 2/208:45 pm
IAD
-
ROB
1 stop24h 20m
Royal Air Maroc
Wed 4/295:45 am
ROB
-
IAD
1 stop17h 15m
Royal Air Maroc
Deal found 2/2$1,022
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Tue 2/175:45 pm
IAD
-
ROB
2 stops22h 30m
Brussels Airlines
Tue 2/2410:45 pm
ROB
-
IAD
1 stop20h 50m
Brussels Airlines
Deal found 2/3$1,038
This KAYAK deal was found by Cheapflights users on 2/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/119:45 pm
IAD
-
ROB
1 stop24h 20m
Royal Air Maroc
Fri 4/175:45 am
ROB
-
IAD
1 stop17h 15m
Royal Air Maroc
Deal found 2/2$1,050
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Thu 2/196:55 pm
EWR
-
ROB
1 stop18h 50m
Brussels Airlines
Wed 3/410:45 pm
ROB
-
EWR
1 stop19h 45m
Brussels Airlines
Deal found 2/1$1,051
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Wed 2/185:45 pm
IAD
-
ROB
2 stops44h 00m
Multiple Airlines
Wed 2/2510:45 pm
ROB
-
IAD
1 stop20h 50m
Multiple Airlines
Deal found 2/3$1,086
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Thu 2/192:20 pm
EWR
-
ROB
2 stops23h 25m
United Airlines
Wed 3/410:45 pm
ROB
-
EWR
1 stop19h 45m
United Airlines
Deal found 2/1$1,088
This KAYAK deal was found by Cheapflights users on 2/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/235:45 pm
IAD
-
ROB
2 stops22h 30m
Brussels Airlines
Wed 3/410:45 pm
ROB
-
IAD
1 stop20h 50m
Brussels Airlines
Deal found 2/1$1,092
This FlightHub deal was found by Cheapflights users on 2/3. 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.
Tue 2/171:13 pm
IAD
-
ROB
3 stops27h 02m
Multiple Airlines
Tue 2/2410:45 pm
ROB
-
IAD
1 stop20h 50m
Multiple Airlines
Deal found 2/3$1,100
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Mon 2/238:20 am
IAD
-
ROB
3 stops31h 55m
United Airlines
Wed 3/410:45 pm
ROB
-
IAD
1 stop20h 50m
United Airlines
Deal found 2/1$1,102
This Gotogate deal was found by Cheapflights users on 2/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/179:45 am
IAD
-
ROB
3 stops30h 30m
Multiple Airlines
Sun 2/2210:45 pm
ROB
-
IAD
2 stops46h 55m
Multiple Airlines
Deal found 2/3$1,104

Find flight deals from Pennsylvania to Monrovia

Keep the following information in mind while searching for Pennsylvania to Monrovia flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,013
(FlightHub)

One-way from

$536
(Kiwi.com)
Provider with most accurate pricing for Philadelphia-Monrovia Roberts Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Monrovia Roberts Intl flights.
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From Pennsylvania to Monrovia Roberts Intl
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One-way flight from Pennsylvania to Monrovia Roberts Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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 February 3, 2026.
Use the filters below to find and compare flights from Pennsylvania to Monrovia that are best for you.

Fly from

Pennsylvania

Fly to

Monrovia

Route

Depart

Return

Price

NewarkMonrovia

EWR - ROB

EWRROB

Newark

Thu 2/19

2:20 pm-6:45 pm

2 stops23h 25m

Monrovia Roberts Intl

Wed 3/4

10:45 pm-1:30 pm

1 stop19h 45m

$1,088

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Mon 2/23

5:45 pm-9:15 pm

2 stops22h 30m

Monrovia Roberts Intl

Wed 3/4

10:45 pm-2:35 pm

1 stop20h 50m

$1,092

NewarkMonrovia

EWR - ROB

EWRROB

Newark

Thu 2/19

6:55 pm-6:45 pm

1 stop18h 50m

Monrovia Roberts Intl

Wed 3/4

10:45 pm-1:30 pm

1 stop19h 45m

$1,097

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Mon 2/23

8:20 am-9:15 pm

3 stops31h 55m

Monrovia Roberts Intl

Wed 3/4

10:45 pm-2:35 pm

1 stop20h 50m

$1,102

Washington, D.C.Monrovia

DCA - ROB

DCAROB

Washington, D.C. Reagan-National

Tue 2/17

2:00 pm-9:15 pm

3 stops26h 15m

Monrovia Roberts Intl

Tue 2/24

10:45 pm-10:52 pm

2 stops29h 07m

$1,111

NewarkMonrovia

EWR - ROB

EWRROB

Newark

Sun 2/15

10:00 pm-9:15 pm

3 stops42h 15m

Monrovia Roberts Intl

Tue 2/24

10:45 pm-1:30 pm

1 stop19h 45m

$1,112

Washington, D.C.Monrovia

DCA - ROB

DCAROB

Washington, D.C. Reagan-National

Mon 2/23

12:00 pm-9:15 pm

3 stops28h 15m

Monrovia Roberts Intl

Wed 3/4

10:45 pm-4:32 pm

2 stops22h 47m

$1,112

NewarkMonrovia

EWR - ROB

EWRROB

Newark

Sun 2/15

9:55 pm-9:15 pm

3 stops42h 20m

Monrovia Roberts Intl

Tue 2/24

10:45 pm-7:05 pm

2 stops25h 20m

$1,117

NewarkMonrovia

EWR - ROB

EWRROB

Newark

Mon 2/23

5:30 pm-9:15 pm

3 stops22h 45m

Monrovia Roberts Intl

Wed 3/18

10:45 pm-1:30 pm

1 stop18h 45m

$1,139

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Tue 3/31

10:10 am-7:50 pm

3 stops29h 40m

Monrovia Roberts Intl

Wed 4/29

9:10 pm-11:48 am

2 stops42h 38m

$1,142

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 60 results
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Best time to book a flight from Pennsylvania to Monrovia

Have a flexible travel schedule? Discover the best time to fly to Monrovia from Pennsylvania 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 Pennsylvania to Monrovia
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • What airport do you fly into for flights to Monrovia from Pennsylvania?

    Monrovia Roberts Intl (ROB), located 30.2 mi from the city center, is the airport you fly into when you book flights from Pennsylvania to Monrovia.

  • How long is the flight from Pennsylvania to Monrovia?

    Airlines like United Airlines, Brussels Airlines, and Royal Air Maroc fly from Pennsylvania to Monrovia in about 22h 30m. The time it takes to get you to your destination can typically vary by up to 5h 20m. Airlines will cover a distance of 4718 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Pennsylvania to Monrovia?

    Most travelers choose New York John F Kennedy Intl - Monrovia Roberts Intl, Newark - Monrovia Roberts Intl or Washington, D.C. Dulles Intl - Monrovia Roberts Intl when deciding on the best route from Pennsylvania to Monrovia.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pennsylvania 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Pennsylvania to Monrovia

Discover the top 2 airlines that operate flights from Pennsylvania 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$1,428Average$1,695FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,470Average$1,753FlexibilityNo cancel feeOn-time69%

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