Monrovia

$528+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ROB
Feb 19 — Feb 261
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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 January 20, 2026.

This oojo deal was found by Cheapflights users on 1/20. 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 2/48:45 pm
IAD
-
ROB
1 stop24h 20m
Royal Air Maroc
Tue 2/243:05 am
ROB
-
IAD
1 stop20h 40m
Royal Air Maroc
Deal found 1/20$1,075
This CrystalTravel deal was found by Cheapflights users on 1/19. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/126:55 pm
EWR
-
ROB
1 stop18h 50m
Brussels Airlines
Wed 3/1810:45 pm
ROB
-
EWR
2 stops20h 15m
Brussels Airlines
Deal found 1/19$1,083
This FlightHub deal was found by Cheapflights users on 1/19. 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 2/48:45 pm
IAD
-
ROB
1 stop24h 20m
Royal Air Maroc
Thu 2/263:05 am
ROB
-
IAD
1 stop20h 40m
Royal Air Maroc
Deal found 1/19$1,084
This KAYAK deal was found by Cheapflights users on 1/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/66:55 pm
EWR
-
ROB
2 stops21h 20m
Brussels Airlines
Fri 3/68:05 pm
ROB
-
EWR
2 stops22h 25m
Brussels Airlines
Deal found 1/17$1,091
This United Airlines deal was found by Cheapflights users on 1/18. 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 2/199:50 am
EWR
-
ROB
2 stops27h 55m
United Airlines
Wed 3/410:45 pm
ROB
-
EWR
1 stop19h 45m
United Airlines
Deal found 1/18$1,093
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 3/36:55 pm
EWR
-
ROB
2 stops21h 20m
United Airlines
Tue 3/1010:45 pm
ROB
-
EWR
1 stop18h 45m
United Airlines
Deal found 1/19$1,096
This United Airlines deal was found by Cheapflights users on 1/19. 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 2/25:45 pm
IAD
-
ROB
2 stops22h 30m
United Airlines
Wed 2/2510:45 pm
ROB
-
IAD
1 stop20h 50m
United Airlines
Deal found 1/19$1,096
This FlightHub deal was found by Cheapflights users on 1/17. 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.
Fri 2/66:55 am
EWR
-
ROB
3 stops33h 20m
Multiple Airlines
Fri 3/68:05 pm
ROB
-
EWR
2 stops22h 25m
Multiple Airlines
Deal found 1/17$1,099
This United Airlines deal was found by Cheapflights users on 1/17. 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 9/1211:00 am
EWR
-
ROB
3 stops28h 50m
United Airlines
Tue 11/310:45 pm
ROB
-
EWR
1 stop19h 45m
United Airlines
Deal found 1/17$1,100
This oojo deal was found by Cheapflights users on 1/18. 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 1/18$1,101
This Air Canada deal was found by Cheapflights users on 1/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:00 pm
EWR
-
ROB
3 stops45h 50m
Air Canada
Fri 11/68:05 pm
ROB
-
EWR
3 stops23h 52m
Air Canada
Deal found 1/17$1,102
This United Airlines deal was found by Cheapflights users on 1/19. 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 2/25:45 pm
IAD
-
ROB
2 stops22h 30m
United Airlines
Tue 2/2410:45 pm
ROB
-
IAD
2 stops23h 45m
United Airlines
Deal found 1/19$1,106

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 January 20, 2026.

Most accurate provider

oojo
3 stars

Most trusted provider

oojo
3 stars

Round-trip from

$1,075
(oojo)

One-way from

$528
(Kiwi.com)
Provider with most accurate pricing for Philadelphia-Monrovia Roberts Intl flight deals.
Provider most trusted by Cheapflights users for Philadelphia-Monrovia Roberts Intl flights.
From Pennsylvania to Monrovia Roberts Intl
One-way flight from Pennsylvania to Monrovia Roberts Intl

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 January 20, 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

Fri 2/6

6:55 pm-9:15 pm

2 stops21h 20m

Monrovia Roberts Intl

Fri 3/6

8:05 pm-1:30 pm

2 stops22h 25m

$1,091

NewarkMonrovia

EWR - ROB

EWRROB

Newark

Tue 3/3

6:55 pm-9:15 pm

2 stops21h 20m

Monrovia Roberts Intl

Tue 3/10

10:45 pm-1:30 pm

1 stop18h 45m

$1,096

NewarkMonrovia

EWR - ROB

EWRROB

Newark

Thu 2/19

11:32 am-6:45 pm

2 stops26h 13m

Monrovia Roberts Intl

Wed 3/4

10:45 pm-6:54 pm

2 stops25h 09m

$1,099

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Mon 2/2

1:05 pm-9:15 pm

3 stops27h 10m

Monrovia Roberts Intl

Wed 2/25

10:45 pm-2:35 pm

1 stop20h 50m

$1,100

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Wed 2/4

5:25 pm-6:45 pm

2 stops44h 20m

Monrovia Roberts Intl

Wed 2/25

10:45 pm-2:35 pm

1 stop20h 50m

$1,110

Washington, D.C.Monrovia

DCA - ROB

DCAROB

Washington, D.C. Reagan-National

Tue 2/3

8:25 am-9:15 pm

3 stops31h 50m

Monrovia Roberts Intl

Tue 2/24

10:45 pm-7:12 pm

2 stops25h 27m

$1,110

Washington, D.C.Monrovia

DCA - ROB

DCAROB

Washington, D.C. Reagan-National

Mon 2/2

4:15 pm-9:15 pm

3 stops24h 00m

Monrovia Roberts Intl

Tue 2/24

10:45 pm-7:12 pm

2 stops25h 27m

$1,110

NewarkMonrovia

EWR - ROB

EWRROB

Newark

Fri 2/6

6:00 am-9:15 pm

3 stops34h 15m

Monrovia Roberts Intl

Fri 3/6

8:05 pm-12:28 am

3 stops33h 23m

$1,110

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Mon 2/2

1:05 pm-9:15 pm

3 stops27h 10m

Monrovia Roberts Intl

Tue 2/24

10:45 pm-5:30 pm

2 stops23h 45m

$1,110

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Sun 2/8

10:00 am-2:45 pm

1 stop23h 45m

Monrovia Roberts Intl

Sat 2/21

7:30 am-7:05 pm

2 stops16h 35m

$1,170

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

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 Brussels Airlines, United Airlines, and SWISS fly from Pennsylvania to Monrovia in about 21h 20m. The time it takes to get you to your destination can typically vary by up to 23h. Airlines will cover a distance of 4571 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?

  • 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

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Alternative routes for Pennsylvania to Monrovia

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

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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$1,428Average$1,633FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,470Average$1,753FlexibilityNo cancel feeOn-time69%

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