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Monrovia

$543+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ROB
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$891
(Kiwi.com)

One-way from

$543
(FlightHub)

Popular in

August

Cheapest in

January

Average price

$1,723
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. 4% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Gotogate deal was found by Cheapflights users on 7/3. 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.
Sat 10/119:00 amEWR - ROB
3 stops30h 50mMultiple Airlines
Sat 11/1510:35 pmROB - EWR
2 stops21h 12mMultiple Airlines
Deal found 7/3$872
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/205:45 pmIAD - ROB
2 stops22h 05mBrussels Airlines
Sat 11/810:35 pmROB - IAD
1 stop21h 00mBrussels Airlines
Deal found 7/2$891
This FlightHub deal was found by Cheapflights users on 7/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/169:40 amDCA - ROB
3 stops30h 10mMultiple Airlines
Tue 9/239:10 pmROB - DCA
2 stops22h 41mMultiple Airlines
Deal found 7/2$896
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:40 pmEWR - ROB
2 stops21h 10mUnited Airlines
Fri 11/78:05 pmROB - EWR
2 stops22h 25mUnited Airlines
Deal found 7/3$896
This CheapOair deal was found by Cheapflights users on 7/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/169:35 amIAD - ROB
3 stops30h 15mMultiple Airlines
Tue 9/239:10 pmROB - IAD
2 stops27h 55mMultiple Airlines
Deal found 7/2$896
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Fri 9/198:00 pmDCA - ROB
3 stops43h 50mUnited Airlines
Tue 9/309:10 pmROB - DCA
2 stops29h 33mUnited Airlines
Deal found 7/1$910
This KAYAK deal was found by Cheapflights users on 7/2. 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.
Sat 9/135:35 pmEWR - ROB
2 stops22h 15mBrussels Airlines
Fri 10/318:05 pmROB - EWR
2 stops21h 25mBrussels Airlines
Deal found 7/2$915
This SWISS deal was found by Cheapflights users on 7/1. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/89:50 pmEWR - ROB
3 stops42h 00mSWISS
Wed 11/1210:35 pmROB - EWR
2 stops50h 55mSWISS
Deal found 7/1$936
This SWISS deal was found by Cheapflights users on 7/2. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/68:45 pmIAD - ROB
3 stops43h 25mSWISS
Tue 11/1110:35 pmROB - IAD
2 stops46h 55mSWISS
Deal found 7/2$936
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Tue 8/261:15 pmIAD - ROB
3 stops26h 35mUnited Airlines
Wed 9/179:10 pmROB - IAD
1 stop20h 20mUnited Airlines
Deal found 7/1$1,025
This oojo deal was found by Cheapflights users on 7/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/38:40 pmIAD - ROB
2 stops37h 05mEthiopian Air
Mon 11/1711:05 amROB - IAD
2 stops25h 55mEthiopian Air
Deal found 7/3$1,112
This Gurufare deal was found by Cheapflights users on 7/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2810:00 amEWR - ROB
1 stop23h 45mEthiopian Air
Tue 12/3011:05 amROB - EWR
2 stops25h 50mEthiopian Air
Deal found 7/1$1,147

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 July 3, 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

NewarkMonrovia

EWR - ROB

EWRROB

Newark

Sat 10/11

9:00 am-7:50 pm

3 stops30h 50m

Monrovia Roberts Intl

Sat 11/15

10:35 pm-2:47 pm

2 stops21h 12m

$872

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Mon 10/20

5:45 pm-7:50 pm

2 stops22h 05m

Monrovia Roberts Intl

Sat 11/8

10:35 pm-2:35 pm

1 stop21h 00m

$891

NewarkMonrovia

EWR - ROB

EWRROB

Newark

Thu 10/16

6:40 pm-7:50 pm

2 stops21h 10m

Monrovia Roberts Intl

Fri 11/7

8:05 pm-1:30 pm

2 stops22h 25m

$896

Washington, D.C.Monrovia

DCA - ROB

DCAROB

Washington, D.C. Reagan-National

Tue 9/16

9:40 am-7:50 pm

3 stops30h 10m

Monrovia Roberts Intl

Tue 9/23

9:10 pm-3:51 pm

2 stops22h 41m

$896

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Tue 9/16

9:35 am-7:50 pm

3 stops30h 15m

Monrovia Roberts Intl

Tue 9/23

9:10 pm-9:05 pm

2 stops27h 55m

$896

Washington, D.C.Monrovia

DCA - ROB

DCAROB

Washington, D.C. Reagan-National

Fri 9/19

8:00 pm-7:50 pm

3 stops43h 50m

Monrovia Roberts Intl

Tue 9/30

9:10 pm-10:43 pm

2 stops29h 33m

$910

NewarkMonrovia

EWR - ROB

EWRROB

Newark

Sat 9/13

5:35 pm-7:50 pm

2 stops22h 15m

Monrovia Roberts Intl

Fri 10/31

8:05 pm-1:30 pm

2 stops21h 25m

$915

NewarkMonrovia

EWR - ROB

EWRROB

Newark

Wed 10/8

9:50 pm-7:50 pm

3 stops42h 00m

Monrovia Roberts Intl

Fri 11/7

8:05 pm-8:30 pm

3 stops53h 25m

$936

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Thu 11/6

8:45 pm-9:10 pm

3 stops43h 25m

Monrovia Roberts Intl

Tue 11/11

10:35 pm-4:30 pm

2 stops46h 55m

$936

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Tue 8/26

1:15 pm-7:50 pm

3 stops26h 35m

Monrovia Roberts Intl

Wed 9/17

9:10 pm-1:30 pm

1 stop20h 20m

$1,025

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 54 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 July 3, 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.

How much does it cost to fly round-trip from Pennsylvania to Monrovia?

Reviews of airlines servicing Monrovia

Get insights into the airlines that provide service to Monrovia. 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 Monrovia. Reviews last updated July 3, 2025.
Peruse reviews from past customers who have flown with SWISS, United Airlines, and Brussels Airlines from Pennsylvania to Monrovia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,654 reviews

Comfort

7.4

Boarding

7.6

Entertainment

6.8

Overall

7.5

Crew

8.2

Food

7.1

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
SWISS
7.5
Good
1,654 reviews
SWISS
7.5
Good
1,654 reviews

Comfort

7.4

Boarding

7.6

Entertainment

6.8

Overall

7.5

Crew

8.2

Food

7.1

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
United Airlines
7.4
Good
8,845 reviews
SWISS
7.5
Good
1,654 reviews

Comfort

7.4

Boarding

7.6

Entertainment

6.8

Overall

7.5

Crew

8.2

Food

7.1

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
Brussels Airlines
7.3
Good
352 reviews
SWISS
7.5
Good
1,654 reviews

Comfort

7.4

Boarding

7.6

Entertainment

6.8

Overall

7.5

Crew

8.2

Food

7.1

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
American Airlines
7.2
Good
10,000 reviews
SWISS
7.5
Good
1,654 reviews

Comfort

7.4

Boarding

7.6

Entertainment

6.8

Overall

7.5

Crew

8.2

Food

7.1

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
Ethiopian Air
7.2
Good
790 reviews
SWISS
7.5
Good
1,654 reviews

Comfort

7.4

Boarding

7.6

Entertainment

6.8

Overall

7.5

Crew

8.2

Food

7.1

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

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.

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

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $543. However, be on the lookout for offers from Brussels Airlines and Royal Air Maroc, 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 New York John F Kennedy Intl - Monrovia Roberts Intl, Washington, D.C. Dulles Intl - Monrovia Roberts Intl or Newark - 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 $1,858). 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

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$1,489Average$1,582FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,589Average$1,753FlexibilityNo cancel feeOn-time69%

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