What is the cheapest airline that flies from Pennsylvania to Monrovia Roberts Intl?

Brussels Airlines, SWISS, and United Airlines are the most popular carriers operating from Pennsylvania to Monrovia Roberts Intl

How long does it take to fly to Monrovia?

The flight from Pennsylvania to Monrovia depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Philadelphia (a popular airport in Pennsylvania) to Monrovia (the most popular airport in Monrovia), then the flight time is 22h 58m on average. If you fly from Allentown (another popular airport in Pennsylvania) to Monrovia, then the average flight time is 44h 22m.

When did momondo last update prices for flights from Pennsylvania to Monrovia Roberts Intl Airport?

Prices for flights from Pennsylvania to Monrovia Roberts Intl Airport are updated daily.

How many operators does momondo search for flights from Pennsylvania to Monrovia Roberts Intl Airport?

As of December 2025, there are 6 operators available to choose from for flights from Pennsylvania to Monrovia Roberts Intl Airport.

How old do you have to be to fly from Pennsylvania to Monrovia Roberts Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Pennsylvania to Monrovia Roberts Intl Airport.

What documentation or ID do you need to fly to Monrovia Roberts Intl Airport?

The travel and health documents required for your trip to Monrovia Roberts Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Monrovia Roberts Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$521 Cheap Flights from Pennsylvania to Monrovia in 2025/26

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One-way

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Cheap round-trip flights

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8:45 pm - 4:35 am

IAD

ROB

26h 50m1 stop

3:05 am - 6:45 pm

ROB

IAD

20h 40m1 stop

$1,075Royal Air Maroc

Fri, Jan 16 - Thu, Jan 29

6:55 am - 9:15 pm

EWR

ROB

33h 20m3 stops

8:05 pm - 8:30 pm

ROB

EWR

29h 25m3 stops

$1,093Multiple Airlines

Fri, Feb 6 - Fri, Mar 6

6:55 pm - 9:15 pm

EWR

ROB

21h 20m2 stops

8:05 pm - 1:30 pm

ROB

EWR

22h 25m2 stops

$1,094Brussels Airlines

Fri, Feb 6 - Fri, Mar 6

6:55 pm - 9:15 pm

EWR

ROB

21h 20m2 stops

8:05 pm - 1:30 pm

ROB

EWR

21h 25m2 stops

$1,095United Airlines

Tue, Feb 17 - Fri, Mar 13

10:30 am - 9:15 pm

EWR

ROB

29h 45m3 stops

8:05 pm - 1:30 pm

ROB

EWR

22h 25m2 stops

$1,098Multiple Airlines

Fri, Feb 6 - Fri, Mar 6

8:45 pm - 2:05 am

IAD

ROB

24h 20m1 stop

5:45 am - 7:00 pm

ROB

IAD

17h 15m1 stop

$1,099Royal Air Maroc

Fri, Feb 20 - Wed, Apr 29

1:10 pm - 9:15 pm

EWR

ROB

27h 05m3 stops

10:45 pm - 1:30 pm

ROB

EWR

18h 45m1 stop

$1,100United Airlines

Tue, Feb 17 - Tue, Mar 17

11:00 am - 2:45 pm

IAD

ROB

23h 45m1 stop

11:05 am - 8:55 am

ROB

IAD

25h 50m2 stops

$1,129Ethiopian Air

Sat, Mar 21 - Thu, Apr 9

8:50 pm - 5:50 pm

IAD

ROB

16h 00m2 stops

11:05 am - 8:00 am

ROB

IAD

25h 55m2 stops

$1,174Ethiopian Air

Thu, Feb 5 - Thu, Feb 12

9:50 pm - 7:50 pm

JFK

ROB

42h 00m3 stops

9:10 pm - 1:00 pm

ROB

JFK

19h 50m1 stop

$1,286Brussels Airlines

Wed, Apr 1 - Fri, May 8

Brussels Airlines flights from Pennsylvania to Monrovia

Our best Brussels Airlines deals on Pennsylvania to Monrovia flight tickets

Brussels Airlines

Feb 27

EWR9:10 amNewark

31h 05m

3 stops

ROB9:15 pmMonrovia Roberts Intl

Mar 13

ROB8:05 pmMonrovia Roberts Intl

21h 25m

2 stops

EWR1:30 pmNewark

$1,050

Find similar

Brussels Airlines

Feb 6

EWR6:55 pmNewark

21h 20m

1 stop

ROB9:15 pmMonrovia Roberts Intl

Mar 6

ROB8:05 pmMonrovia Roberts Intl

22h 25m

2 stops

EWR1:30 pmNewark

$1,094

Find similar

Brussels Airlines

Feb 15

EWR10:40 pmNewark

41h 35m

3 stops

ROB9:15 pmMonrovia Roberts Intl

Feb 24

ROB10:45 pmMonrovia Roberts Intl

19h 45m

1 stop

EWR1:30 pmNewark

$1,190

Find similar

United Airlines flights from Pennsylvania to Monrovia

Our best United Airlines deals on Pennsylvania to Monrovia flight tickets

United Airlines

Feb 17

EWR6:55 pmNewark

21h 20m

2 stops

ROB9:15 pmMonrovia Roberts Intl

Mar 13

ROB8:05 pmMonrovia Roberts Intl

21h 25m

2 stops

EWR1:30 pmNewark

$1,095

Find similar

United Airlines

Feb 17

EWR6:00 amNewark

34h 15m

3 stops

ROB9:15 pmMonrovia Roberts Intl

Mar 13

ROB8:05 pmMonrovia Roberts Intl

21h 25m

2 stops

EWR1:30 pmNewark

$1,100

Find similar

United Airlines

Feb 16

EWR6:55 pmNewark

21h 20m

2 stops

ROB9:15 pmMonrovia Roberts Intl

Sep 18

ROB9:10 pmMonrovia Roberts Intl

26h 20m

2 stops

EWR7:30 pmNewark

$1,105

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Fri 1/16

8:45 pm-4:35 am

1 stop26h 50m

Monrovia Roberts Intl

Thu 1/29

3:05 am-6:45 pm

1 stop20h 40m

$1,075

NewarkMonrovia

EWR - ROB

EWRROB

Newark

Fri 2/6

6:55 am-9:15 pm

3 stops33h 20m

Monrovia Roberts Intl

Fri 3/6

8:05 pm-8:30 pm

3 stops29h 25m

$1,093

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

$1,094

NewarkMonrovia

EWR - ROB

EWRROB

Newark

Tue 2/17

6:55 pm-9:15 pm

2 stops21h 20m

Monrovia Roberts Intl

Fri 3/13

8:05 pm-1:30 pm

2 stops21h 25m

$1,095

NewarkMonrovia

EWR - ROB

EWRROB

Newark

Fri 2/6

10:30 am-9:15 pm

3 stops29h 45m

Monrovia Roberts Intl

Fri 3/6

8:05 pm-1:30 pm

2 stops22h 25m

$1,098

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

$1,099

NewarkMonrovia

EWR - ROB

EWRROB

Newark

Tue 2/17

1:10 pm-9:15 pm

3 stops27h 05m

Monrovia Roberts Intl

Tue 3/17

10:45 pm-1:30 pm

1 stop18h 45m

$1,100

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Sat 3/21

11:00 am-2:45 pm

1 stop23h 45m

Monrovia Roberts Intl

Thu 4/9

11:05 am-8:55 am

2 stops25h 50m

$1,129

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Thu 2/5

8:50 pm-5:50 pm

2 stops16h 00m

Monrovia Roberts Intl

Thu 2/12

11:05 am-8:00 am

2 stops25h 55m

$1,174

New YorkMonrovia

JFK - ROB

JFKROB

New York John F Kennedy Intl

Wed 4/1

9:50 pm-7:50 pm

3 stops42h 00m

Monrovia Roberts Intl

Fri 5/8

9:10 pm-1:00 pm

1 stop19h 50m

$1,286

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Pennsylvania to Monrovia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest day to depart on your flight to Monrovia?

The cheapest day to depart from Pennsylvania to Monrovia is on a Monday when prices can be found for as low as $1,547. On the other hand, Friday is the most expensive day to depart from Pennsylvania because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $2,263.

What is the cheapest time of day to depart on your flight to Monrovia?

The cheapest time of day to fly to Monrovia is at noon when flights can be purchased for as low as $1,561. Try not to purchase tickets in the evening because they tend to be around $1,873. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Pennsylvania to Monrovia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to Monrovia

Fastest flight time	15h 35m
Direct flights	None

The fastest flight from Pennsylvania to Monrovia takes 15h 35m

There are no direct flights from Pennsylvania to Monrovia. There are no popular flight routes from Pennsylvania to Monrovia.

Search flight deals

When did momondo last update prices for flights from Pennsylvania to Monrovia Roberts Intl Airport?
Prices for flights from Pennsylvania to Monrovia Roberts Intl Airport are updated daily.
How many operators does momondo search for flights from Pennsylvania to Monrovia Roberts Intl Airport?
As of December 2025, there are 6 operators available to choose from for flights from Pennsylvania to Monrovia Roberts Intl Airport.
How old do you have to be to fly from Pennsylvania to Monrovia Roberts Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Pennsylvania to Monrovia Roberts Intl Airport.
What documentation or ID do you need to fly to Monrovia Roberts Intl Airport?
The travel and health documents required for your trip to Monrovia Roberts Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Monrovia Roberts Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Pennsylvania to Monrovia

Compare and see reviews for airlines that fly from Pennsylvania to Monrovia with momondo

Airline	Rating	Free Cancellation	Price
Brussels Airlines	PriceFrom $1,435	Free Cancellation	Rating 7.2 375 reviews		Search Brussels Airlines flights
United Airlines	PriceFrom $1,470	Free Cancellation	Rating 7.4 9,106 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Pennsylvania to Monrovia?

It is quick and easy to find Pennsylvania to Monrovia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Monrovia that suits you.

Can I find flights from Pennsylvania to Monrovia with flexible booking policies on momondo?

Flights from Pennsylvania to Monrovia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Pennsylvania to Monrovia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Monrovia from Pennsylvania.

I’m not ready to book a flight from Pennsylvania to Monrovia right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Monrovia from Pennsylvania. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Pennsylvania to Monrovia from $521

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Monrovia departing on 2/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Pennsylvania to Monrovia

Cheap round-trip flights

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Brussels Airlines flights from Pennsylvania to Monrovia

Our best Brussels Airlines deals on Pennsylvania to Monrovia flight tickets

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Our best United Airlines deals on Pennsylvania to Monrovia flight tickets

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How to get the cheapest flight ticket from Pennsylvania to Monrovia

What is the cheapest day to depart on your flight to Monrovia?

What is the cheapest time of day to depart on your flight to Monrovia?

The cheapest time of day to fly to Monrovia is at noon when flights can be purchased for as low as $1,561. Try not to purchase tickets in the evening because they tend to be around $1,873. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest airline that flies from Pennsylvania to Monrovia Roberts Intl?

Brussels Airlines, SWISS, and United Airlines are the most popular carriers operating from Pennsylvania to Monrovia Roberts Intl

How long does it take to fly to Monrovia?

Cheap Pennsylvania to Monrovia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to Monrovia

Fastest flight time

Direct flights

When did momondo last update prices for flights from Pennsylvania to Monrovia Roberts Intl Airport?

How many operators does momondo search for flights from Pennsylvania to Monrovia Roberts Intl Airport?

How old do you have to be to fly from Pennsylvania to Monrovia Roberts Intl Airport?

What documentation or ID do you need to fly to Monrovia Roberts Intl Airport?

Best airlines flying from Pennsylvania to Monrovia

Compare and see reviews for airlines that fly from Pennsylvania to Monrovia with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Pennsylvania to Monrovia?

Can I find flights from Pennsylvania to Monrovia with flexible booking policies on momondo?

How can momondo help me find flights from Pennsylvania to Monrovia?

I’m not ready to book a flight from Pennsylvania to Monrovia right now. Can momondo alert me if prices change?

An easier way to manage your Monrovia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Liberia

Fly your favorite airline to Monrovia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo