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Cheap flights from Philadelphia to Monrovia from $959

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Monrovia departing on 7/15. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:30 pm - 7:55 pm
PHL
-
ROB
43h 25m
3 stops
Multiple Airlines Logo
8:00 am - 9:00 am
ROB
-
PHL
53h 00m
3 stops
$1,305Multiple Airlines
Wed, Sep 9 - Sun, Oct 4
Multiple Airlines Logo
8:30 pm - 5:50 pm
PHL
-
ROB
41h 20m
2 stops
Multiple Airlines Logo
8:00 am - 9:00 am
ROB
-
PHL
53h 00m
3 stops
$1,628Multiple Airlines
Mon, Sep 28 - Sun, Oct 25
Ethiopian Air Logo
6:15 am - 2:45 pm
PHL
-
ROB
28h 30m
2 stops
Ethiopian Air Logo
11:05 am - 1:51 pm
ROB
-
PHL
31h 46m
3 stops
$1,668Ethiopian Air
Tue, Oct 13 - Tue, Nov 3
Ethiopian Air Logo
7:55 pm - 2:45 pm
PHL
-
ROB
38h 50m
2 stops
Ethiopian Air Logo
11:05 am - 2:15 pm
ROB
-
PHL
31h 10m
3 stops
$1,720Ethiopian Air
Thu, Sep 10 - Mon, Oct 5
Brussels Airlines Logo
7:55 pm - 7:50 pm
PHL
-
ROB
43h 55m
3 stops
Brussels Airlines Logo
9:10 pm - 2:47 pm
ROB
-
PHL
21h 37m
2 stops
$1,786Brussels Airlines
Wed, Sep 9 - Sun, Oct 4
Multiple Airlines Logo
10:05 am - 7:50 pm
PHL
-
ROB
29h 45m
3 stops
Multiple Airlines Logo
9:10 pm - 9:32 pm
ROB
-
PHL
28h 22m
2 stops
$1,822Multiple Airlines
Thu, Sep 10 - Sun, Oct 4
United Airlines Logo
11:39 am - 9:15 pm
PHL
-
ROB
29h 36m
3 stops
United Airlines Logo
10:45 pm - 7:18 pm
ROB
-
PHL
25h 33m
2 stops
$1,830United Airlines
Thu, Oct 29 - Tue, Nov 17
United Airlines Logo
8:00 pm - 9:15 pm
PHL
-
ROB
45h 15m
3 stops
United Airlines Logo
10:45 pm - 9:32 pm
ROB
-
PHL
27h 47m
2 stops
$1,836United Airlines
Fri, Oct 30 - Wed, Nov 18
Multiple Airlines Logo
5:40 pm - 7:50 pm
PHL
-
ROB
46h 10m
3 stops
Multiple Airlines Logo
9:10 pm - 2:47 pm
ROB
-
PHL
21h 37m
2 stops
$1,879Multiple Airlines
Wed, Sep 9 - Sun, Oct 4
Brussels Airlines Logo
5:40 pm - 7:50 pm
PHL
-
ROB
46h 10m
3 stops
Brussels Airlines Logo
10:45 pm - 6:40 pm
ROB
-
PHL
47h 55m
3 stops
$1,927Brussels Airlines
Mon, Sep 28 - Sun, Oct 25

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United Airlines flights from Philadelphia to Monrovia

Our best United Airlines deals on Philadelphia to Monrovia flight tickets
United Airlines
Oct 29
PHL11:39 amPhiladelphia
29h 36m
3 stops
ROB9:15 pmMonrovia Roberts Intl
Nov 17
ROB10:45 pmMonrovia Roberts Intl
25h 33m
2 stops
PHL7:18 pmPhiladelphia
$1,830
United Airlines
Oct 30
PHL8:00 pmPhiladelphia
45h 15m
3 stops
ROB9:15 pmMonrovia Roberts Intl
Nov 18
ROB10:45 pmMonrovia Roberts Intl
27h 47m
2 stops
PHL9:32 pmPhiladelphia
$1,836
United Airlines
Jul 4
PHL3:10 pmPhiladelphia
24h 40m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Nov 11
ROB10:45 pmMonrovia Roberts Intl
23h 37m
2 stops
PHL5:22 pmPhiladelphia
$1,955

Brussels Airlines flights from Philadelphia to Monrovia

Our best Brussels Airlines deals on Philadelphia to Monrovia flight tickets
Brussels Airlines
Sep 9
PHL7:55 pmPhiladelphia
43h 55m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Oct 4
ROB9:10 pmMonrovia Roberts Intl
21h 37m
2 stops
PHL2:47 pmPhiladelphia
$1,786
Brussels Airlines
Sep 28
PHL5:40 pmPhiladelphia
46h 10m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Oct 25
ROB10:45 pmMonrovia Roberts Intl
47h 55m
3 stops
PHL6:40 pmPhiladelphia
$1,927
Brussels Airlines
Jul 6
PHL5:40 pmPhiladelphia
46h 10m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Nov 11
ROB10:45 pmMonrovia Roberts Intl
48h 55m
3 stops
PHL6:40 pmPhiladelphia
$2,031

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 May 3, 2026.
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

Cheapest round-trip

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Wed 9/9

8:30 pm-7:55 pm

3 stops43h 25m

Monrovia Roberts Intl

Sun 10/4

8:00 am-9:00 am

3 stops53h 00m

$1,305

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Mon 9/28

8:30 pm-5:50 pm

2 stops41h 20m

Monrovia Roberts Intl

Sun 10/25

8:00 am-9:00 am

3 stops53h 00m

$1,628

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Tue 10/13

6:15 am-2:45 pm

2 stops28h 30m

Monrovia Roberts Intl

Tue 11/3

11:05 am-1:51 pm

3 stops31h 46m

$1,668

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Thu 9/10

7:55 pm-2:45 pm

2 stops38h 50m

Monrovia Roberts Intl

Mon 10/5

11:05 am-2:15 pm

3 stops31h 10m

$1,720

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Wed 9/9

7:55 pm-7:50 pm

3 stops43h 55m

Monrovia Roberts Intl

Sun 10/4

9:10 pm-2:47 pm

2 stops21h 37m

$1,786

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Thu 9/10

10:05 am-7:50 pm

3 stops29h 45m

Monrovia Roberts Intl

Sun 10/4

9:10 pm-9:32 pm

2 stops28h 22m

$1,822
Quickest round-trip

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Thu 10/29

11:39 am-9:15 pm

3 stops29h 36m

Monrovia Roberts Intl

Tue 11/17

10:45 pm-7:18 pm

2 stops25h 33m

$1,830

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Fri 10/30

8:00 pm-9:15 pm

3 stops45h 15m

Monrovia Roberts Intl

Wed 11/18

10:45 pm-9:32 pm

2 stops27h 47m

$1,836

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Wed 9/9

5:40 pm-7:50 pm

3 stops46h 10m

Monrovia Roberts Intl

Sun 10/4

9:10 pm-2:47 pm

2 stops21h 37m

$1,879

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Mon 9/28

5:40 pm-7:50 pm

3 stops46h 10m

Monrovia Roberts Intl

Sun 10/25

10:45 pm-6:40 pm

3 stops47h 55m

$1,927

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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 month to fly to Monrovia?

If you’re not able to fly to Monrovia in February, then November is your next best option. Flight prices from Philadelphia to Monrovia during November average around $1,459.

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

Fastest flight time

22h 40m

Direct flights

None
The fastest flight from Philadelphia to Monrovia takes 22h 40m
There are no direct flights from Philadelphia to Monrovia. There are no popular flight routes from Philadelphia to Monrovia.
Search flight deals

Frequently asked questions about flying from Philadelphia to Monrovia

  • 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 22h 40m.

  • 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 $1,395Free CancellationRating
7.2
404 reviews
Search Brussels 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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Fly your favorite airline to Monrovia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Brussels Airlines
Royal Air Maroc
Ethiopian Air
United Airlines
Air Côte d’Ivoire