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Cheap flights from Philadelphia to Monrovia from $1,432

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Monrovia departing on 11/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Philadelphia to Monrovia

Cheap round-trip flights

Logo
3:30 pm - 9:10 pmPHL-ROB
24h 40m3 stops
Logo
10:35 pm - 2:47 pmROB-PHL
21h 12m2 stops
$1,432
Find Deal
Fri, Nov 14 - Sun, Nov 23
United Airlines Logo
7:58 pm - 7:50 pmPHL-ROB
43h 52m3 stops
United Airlines Logo
9:10 pm - 5:21 pmROB-PHL
24h 11m2 stops
$1,465United Airlines
Find Deal
Sun, Sep 7 - Sun, Sep 21
Brussels Airlines Logo
5:35 pm - 7:50 pmPHL-ROB
46h 15m3 stops
Brussels Airlines Logo
8:05 pm - 7:05 pmROB-PHL
27h 00m3 stops
$1,479Brussels Airlines
Find Deal
Fri, Oct 3 - Fri, Oct 31
Brussels Airlines Logo
5:35 pm - 7:50 pmPHL-ROB
46h 15m3 stops
Brussels Airlines Logo
9:10 pm - 6:55 pmROB-PHL
49h 45m3 stops
$1,510Brussels Airlines
Find Deal
Sun, Sep 7 - Sun, Sep 21
American Airlines Logo
3:45 pm - 4:10 amPHL-ROB
32h 25m2 stops
American Airlines Logo
6:35 am - 11:36 amROB-PHL
33h 01m3 stops
$1,641American Airlines
Find Deal
Fri, Oct 3 - Fri, Oct 31
British Airways Logo
8:00 pm - 4:35 amPHL-ROB
27h 35m2 stops
British Airways Logo
5:35 am - 2:10 pmROB-PHL
36h 35m2 stops
$1,647British Airways
Find Deal
Wed, Dec 3 - Wed, Mar 25
British Airways Logo
8:00 pm - 4:35 amPHL-ROB
27h 35m2 stops
British Airways Logo
5:35 am - 2:10 pmROB-PHL
36h 35m2 stops
$1,648British Airways
Find Deal
Wed, Dec 3 - Wed, Mar 25
American Airlines Logo
3:35 pm - 4:35 amPHL-ROB
32h 00m2 stops
American Airlines Logo
5:35 am - 9:44 amROB-PHL
33h 09m2 stops
$1,649American Airlines
Find Deal
Fri, Dec 19 - Fri, Jan 30
Ethiopian Air Logo
10:33 am - 2:45 pmPHL-ROB
47h 12m2 stops
Ethiopian Air Logo
11:05 am - 12:32 amROB-PHL
41h 27m3 stops
$1,680Ethiopian Air
Find Deal
Thu, Dec 4 - Thu, Mar 26
Ethiopian Air Logo
10:33 am - 5:50 pmPHL-ROB
26h 17m3 stops
Ethiopian Air Logo
11:05 am - 12:32 amROB-PHL
41h 27m3 stops
$1,756Ethiopian Air
Find Deal
Wed, Dec 3 - Thu, Mar 26

United Airlines flights from Philadelphia to Monrovia

Our best United Airlines deals on Philadelphia to Monrovia flight tickets
United Airlines
Sep 7
PHL7:58 pmPhiladelphia
43h 52m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Sep 21
ROB9:10 pmMonrovia Roberts Intl
24h 11m
2 stops
PHL5:21 pmPhiladelphia
$1,465
Find similar
United Airlines
Nov 22
PHL6:00 amPhiladelphia
34h 10m
3 stops
ROB9:10 pmMonrovia Roberts Intl
Mar 22
ROB10:35 pmMonrovia Roberts Intl
43h 47m
2 stops
PHL2:22 pmPhiladelphia
$1,517
Find similar
United Airlines
Dec 4
PHL10:33 amPhiladelphia
27h 12m
2 stops
ROB6:45 pmMonrovia Roberts Intl
Mar 25
ROB10:35 pmMonrovia Roberts Intl
39h 52m
2 stops
PHL10:27 amPhiladelphia
$1,816
Find similar

Brussels Airlines flights from Philadelphia to Monrovia

Our best Brussels Airlines deals on Philadelphia to Monrovia flight tickets
Brussels Airlines
Oct 3
PHL5:35 pmPhiladelphia
46h 15m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Oct 31
ROB8:05 pmMonrovia Roberts Intl
27h 00m
3 stops
PHL7:05 pmPhiladelphia
$1,479
Find similar
Brussels Airlines
Sep 7
PHL5:35 pmPhiladelphia
46h 15m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Sep 21
ROB9:10 pmMonrovia Roberts Intl
49h 45m
3 stops
PHL6:55 pmPhiladelphia
$1,510
Find similar
Brussels Airlines
Nov 22
PHL6:10 pmPhiladelphia
22h 00m
3 stops
ROB9:10 pmMonrovia Roberts Intl
Mar 22
ROB10:35 pmMonrovia Roberts Intl
46h 30m
2 stops
PHL5:05 pmPhiladelphia
$1,530
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia 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, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Philadelphia to Monrovia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Fri 11/14

3:30 pm-9:10 pm

3 stops24h 40m

Monrovia Roberts Intl

Sun 11/23

10:35 pm-2:47 pm

2 stops21h 12m

$1,432

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Sun 9/7

7:58 pm-7:50 pm

3 stops43h 52m

Monrovia Roberts Intl

Sun 9/21

9:10 pm-5:21 pm

2 stops24h 11m

$1,465

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Fri 10/3

5:35 pm-7:50 pm

3 stops46h 15m

Monrovia Roberts Intl

Fri 10/31

8:05 pm-7:05 pm

3 stops27h 00m

$1,479

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Sun 9/7

5:35 pm-7:50 pm

3 stops46h 15m

Monrovia Roberts Intl

Sun 9/21

9:10 pm-6:55 pm

3 stops49h 45m

$1,510

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Fri 10/3

3:45 pm-4:10 am

2 stops32h 25m

Monrovia Roberts Intl

Fri 10/31

6:35 am-11:36 am

3 stops33h 01m

$1,641

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Wed 12/3

8:00 pm-4:35 am

2 stops27h 35m

Monrovia Roberts Intl

Wed 3/25

5:35 am-2:10 pm

2 stops36h 35m

$1,647

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Wed 12/3

8:00 pm-4:35 am

2 stops27h 35m

Monrovia Roberts Intl

Wed 3/25

5:35 am-2:10 pm

2 stops36h 35m

$1,648

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Fri 12/19

3:35 pm-4:35 am

2 stops32h 00m

Monrovia Roberts Intl

Fri 1/30

5:35 am-9:44 am

2 stops33h 09m

$1,649

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Thu 12/4

10:33 am-2:45 pm

2 stops47h 12m

Monrovia Roberts Intl

Thu 3/26

11:05 am-12:32 am

3 stops41h 27m

$1,680

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Wed 12/3

10:33 am-5:50 pm

3 stops26h 17m

Monrovia Roberts Intl

Thu 3/26

11:05 am-12:32 am

3 stops41h 27m

$1,756

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Monrovia from

How to get the cheapest flight ticket from Philadelphia 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

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

The cheapest day to depart from Philadelphia 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 Philadelphia 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.

When to book flights from Philadelphia to Monrovia

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Monrovia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Monrovia (PHL to ROB) flight deals and tips

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

Best Price Found

$1,432

Fastest flight time

20h 05m

Direct flights

None

Airports in Monrovia

1 airport
The best flight deal from Philadelphia to Monrovia found on momondo in the last 72 hours is $1,432
The fastest flight from Philadelphia to Monrovia takes 20h 05m
There are no direct flights from Philadelphia to Monrovia. Popular non-direct route for this connection is Philadelphia Airport - Monrovia Roberts Intl Airport.
There is 1 airport near Monrovia: Monrovia Roberts Intl (ROB)
Search flight deals

  • How far is Philadelphia to Monrovia Roberts Intl by plane?

    There are 4585.2 mi between Philadelphia and Monrovia Roberts Intl. By plane, this route typically takes 20h 05m.

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

    Prices for flights from Philadelphia Airport to Monrovia Roberts Intl Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Monrovia Roberts Intl Airport.

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

    The required travel and health documents for your Monrovia Roberts Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Monrovia Roberts Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Philadelphia to Monrovia?

Best airlines flying from Philadelphia to Monrovia

Compare and see reviews for airlines that fly from Philadelphia to Monrovia with momondo
Airline
Rating
Free Cancellation
Price
Brussels AirlinesPriceFrom $1,482Free CancellationRating
7.2
350 reviews
Search Brussels Airlines flights
United AirlinesPriceFrom $1,589Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Philadelphia to Monrovia for you.

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

momondo does allow users to show only those flights to Monrovia from Philadelphia which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Philadelphia to Monrovia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Monrovia, momondo offers a useful price alert feature which will track prices for flights to Monrovia from Philadelphia and alert you when they change.

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