Liberia

$536+ Cheap flights from Pennsylvania to Liberia

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
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Cheap flight deals from Pennsylvania to Liberia

Cheapest flights from Pennsylvania to Liberia
Explore the most affordable flight options available from Pennsylvania to Liberia. 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 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 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 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 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 2/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1910:00 pm
EWR
-
ROB
3 stops42h 15m
Multiple Airlines
Wed 3/410:45 pm
ROB
-
EWR
1 stop19h 45m
Multiple Airlines
Deal found 2/1$1,108
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 2/2312:00 pm
DCA
-
ROB
3 stops28h 15m
United Airlines
Wed 3/410:45 pm
ROB
-
DCA
2 stops22h 47m
United Airlines
Deal found 2/1$1,112
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.
Sun 2/1510:40 pm
EWR
-
ROB
3 stops41h 35m
Brussels Airlines
Tue 2/2410:45 pm
ROB
-
EWR
1 stop19h 45m
Brussels Airlines
Deal found 2/1$1,112
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:20 pm
IAD
-
ROB
3 stops43h 30m
Multiple Airlines
Wed 10/219:10 pm
ROB
-
IAD
2 stops23h 10m
Multiple Airlines
Deal found 2/1$1,115
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.
Sun 2/159:55 pm
EWR
-
ROB
3 stops42h 20m
United Airlines
Tue 2/2410:45 pm
ROB
-
EWR
2 stops25h 20m
United Airlines
Deal found 2/1$1,117

Find flight deals from Pennsylvania to Liberia

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,022
(oojo)

One-way from

$536
(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 Liberia
One-way flight from Pennsylvania to Liberia

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania to Liberia 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 Liberia that are best for you.

Fly from

Pennsylvania

Fly to

Liberia

Route

Depart

Return

Price

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Fri 2/20

8:45 pm-2:05 am

1 stop24h 20m

Monrovia Roberts Intl

Wed 4/29

5:45 am-7:00 pm

1 stop17h 15m

$1,022

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

$1,051

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

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

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

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

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Wed 3/18

9:50 pm-5:50 pm

2 stops16h 00m

Monrovia Roberts Intl

Tue 4/7

11:05 am-8:55 am

2 stops25h 50m

$1,162

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 Liberia

Have a flexible travel schedule? Discover the best time to fly to Liberia 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 Liberia
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 Liberia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Pennsylvania to Liberia?

    A quick flight from Pennsylvania to Liberia can take about 18h 50m. Royal Air Maroc provides one of the quickest options available for as low as $1,051. Airlines will cover a distance of 4571 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Pennsylvania to Liberia one-way?

    One-way options have recently been found by users for as low as $29 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $39 and JetBlue from $68 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pennsylvania to Liberia 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 Liberia

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

Top 2 airlines flying from Pennsylvania to Liberia

Discover the top 2 airlines that operate flights from Pennsylvania to Liberia. 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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