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Monrovia

$541+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ROB
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Pennsylvania to Monrovia

Keep the following information in mind while searching for Pennsylvania to Monrovia flight deals. Data was last updated September 17, 2025.

Round-trip from

$1,019
(CrystalTravel)

One-way from

$541
(Gurufare)

Popular in

October

Cheapest in

January

Average price

$1,667
From Pennsylvania to Monrovia Roberts Intl
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One-way flight from Pennsylvania to Monrovia Roberts Intl
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Highest demand for flights based on searches. 5% potential increase in price ($97 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 17, 2025.

This CrystalTravel deal was found by Cheapflights users on 9/16. 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.
Tue 10/76:10 pmJFK - ROB
2 stops21h 40mBrussels Airlines
Tue 10/149:10 pmROB - JFK
1 stop19h 50mBrussels Airlines
Deal found 9/16$1,019
This CrystalTravel deal was found by Cheapflights users on 9/16. 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.
Tue 10/75:35 pmEWR - ROB
2 stops22h 15mBrussels Airlines
Tue 10/149:10 pmROB - EWR
1 stop18h 05mBrussels Airlines
Deal found 9/16$1,019
This oojo deal was found by Cheapflights users on 9/15. 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.
Tue 10/710:55 amIAD - ROB
1 stop23h 50mEthiopian Air
Tue 10/1411:05 amROB - IAD
2 stops25h 50mEthiopian Air
Deal found 9/15$1,040
This Gotogate deal was found by Cheapflights users on 9/16. 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 10/1410:55 amIAD - ROB
1 stop23h 50mEthiopian Air
Tue 10/2111:05 amROB - IAD
2 stops25h 50mEthiopian Air
Deal found 9/16$1,043
This CrystalTravel deal was found by Cheapflights users on 9/16. 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.
Tue 10/76:15 pmEWR - ROB
3 stops21h 35mSWISS
Tue 10/149:10 pmROB - EWR
2 stops20h 10mSWISS
Deal found 9/16$1,056
This Gurufare deal was found by Cheapflights users on 9/15. 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.
Sun 10/510:55 amIAD - ROB
1 stop23h 50mEthiopian Air
Thu 10/1611:05 amROB - IAD
2 stops25h 50mEthiopian Air
Deal found 9/15$1,061
This oojo deal was found by Cheapflights users on 9/15. 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 10/3111:00 amEWR - ROB
1 stop23h 45mEthiopian Air
Mon 11/1011:05 amROB - EWR
2 stops37h 10mEthiopian Air
Deal found 9/15$1,062
This FlightHub deal was found by Cheapflights users on 9/16. 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.
Mon 10/66:10 pmJFK - ROB
1 stop21h 40mBrussels Airlines
Wed 10/159:10 pmROB - JFK
1 stop19h 50mBrussels Airlines
Deal found 9/16$1,076
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Sat 10/116:10 pmJFK - ROB
2 stops21h 40mBrussels Airlines
Sat 11/810:45 pmROB - JFK
1 stop19h 35mBrussels Airlines
Deal found 9/15$1,084
This oojo deal was found by Cheapflights users on 9/15. 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 10/3111:00 amIAD - ROB
1 stop23h 45mEthiopian Air
Mon 11/1011:05 amROB - IAD
2 stops25h 55mEthiopian Air
Deal found 9/15$1,085
This Gurufare deal was found by Cheapflights users on 9/16. 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.
Mon 10/66:40 pmEWR - ROB
2 stops21h 10mBrussels Airlines
Tue 10/149:10 pmROB - EWR
1 stop20h 05mBrussels Airlines
Deal found 9/16$1,089
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/75:45 pmIAD - ROB
2 stops22h 05mBrussels Airlines
Tue 10/149:10 pmROB - IAD
1 stop21h 15mBrussels Airlines
Deal found 9/15$1,089

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 September 17, 2025.
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

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Tue 10/7

10:55 am-2:45 pm

1 stop23h 50m

Monrovia Roberts Intl

Sun 10/19

11:05 am-8:55 am

2 stops25h 50m

$1,091

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Sun 10/5

10:55 am-2:45 pm

1 stop23h 50m

Monrovia Roberts Intl

Mon 10/13

11:05 am-8:55 am

2 stops25h 50m

$1,091

New YorkMonrovia

JFK - ROB

JFKROB

New York John F Kennedy Intl

Mon 10/6

6:10 pm-7:50 pm

2 stops21h 40m

Monrovia Roberts Intl

Sun 10/12

9:10 pm-1:00 pm

1 stop19h 50m

$1,095

New YorkMonrovia

JFK - ROB

JFKROB

New York John F Kennedy Intl

Thu 11/20

6:25 pm-6:45 pm

1 stop19h 20m

Monrovia Roberts Intl

Sat 12/13

10:45 pm-1:20 pm

1 stop19h 35m

$1,095

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Mon 10/6

9:35 am-7:50 pm

3 stops30h 15m

Monrovia Roberts Intl

Wed 10/15

9:10 pm-2:25 pm

1 stop21h 15m

$1,095

New YorkMonrovia

JFK - ROB

JFKROB

New York John F Kennedy Intl

Mon 10/6

6:10 pm-7:50 pm

2 stops21h 40m

Monrovia Roberts Intl

Wed 10/15

9:10 pm-1:00 pm

1 stop19h 50m

$1,095

New YorkMonrovia

JFK - ROB

JFKROB

New York John F Kennedy Intl

Tue 10/7

6:10 pm-7:50 pm

2 stops21h 40m

Monrovia Roberts Intl

Wed 10/15

9:10 pm-1:00 pm

1 stop19h 50m

$1,095

New YorkMonrovia

JFK - ROB

JFKROB

New York John F Kennedy Intl

Mon 10/6

6:10 pm-7:50 pm

2 stops21h 40m

Monrovia Roberts Intl

Tue 10/14

9:10 pm-1:00 pm

1 stop19h 50m

$1,095

New YorkMonrovia

JFK - ROB

JFKROB

New York John F Kennedy Intl

Thu 10/9

6:10 pm-7:50 pm

2 stops21h 40m

Monrovia Roberts Intl

Wed 10/15

9:10 pm-1:00 pm

1 stop19h 50m

$1,095

New YorkMonrovia

JFK - ROB

JFKROB

New York John F Kennedy Intl

Mon 11/17

6:25 pm-9:15 pm

2 stops21h 50m

Monrovia Roberts Intl

Fri 12/12

8:05 pm-1:20 pm

2 stops22h 15m

$1,095

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

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

What is the cheapest time of day to fly from PA to ROB?

Find hourly flight availability from Pennsylvania to Monrovia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

When flying from Pennsylvania to Monrovia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 Ethiopian Air and United Airlines fly from Pennsylvania to Monrovia in about 21h 40m. The time it takes to get you to your destination can typically vary by up to 2h 10m. Airlines will cover a distance of 4550 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airline one-way is Brussels Airlines, with whom users have recently found tickets for as low as $541. However, be on the lookout for offers from Air Canada and SWISS, as they are both options that can get you from Pennsylvania to Monrovia for a low price.

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

    Most travelers choose Washington, D.C. Dulles Intl - Monrovia Roberts Intl, New York John F Kennedy Intl - Monrovia Roberts Intl or Philadelphia - 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.

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

    Currently, September is the cheapest month in which you can book a flight from Pennsylvania to Monrovia (average of $1,197). Flying from Pennsylvania to Monrovia in May is currently the most expensive (average of $1,845). 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.

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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.
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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$1,454Average$1,629FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,589Average$1,753FlexibilityNo cancel feeOn-time69%

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