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Cheap flights from Philadelphia to Monrovia from $1,043

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 7/30. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Monrovia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:30 pm - 7:30 pm
PHL
-
ROB
42h 00m
3 stops
Multiple Airlines Logo
7:30 am - 3:05 pm
ROB
-
PHL
35h 35m
3 stops
$1,636Multiple Airlines
Sun, Sep 20 - Sun, Oct 4
Multiple Airlines Logo
9:30 pm - 7:30 pm
PHL
-
ROB
42h 00m
3 stops
Multiple Airlines Logo
6:50 pm - 3:05 pm
ROB
-
PHL
48h 15m
2 stops
$1,725Multiple Airlines
Sun, Sep 20 - Mon, Oct 5
Brussels Airlines Logo
3:20 pm - 9:15 pm
PHL
-
ROB
24h 55m
3 stops
Brussels Airlines Logo
10:45 pm - 5:22 pm
ROB
-
PHL
23h 37m
2 stops
$1,821Brussels Airlines
Thu, Nov 12 - Fri, Nov 27
Brussels Airlines Logo
7:00 pm - 7:50 pm
PHL
-
ROB
44h 50m
3 stops
Brussels Airlines Logo
9:10 pm - 2:49 pm
ROB
-
PHL
21h 39m
2 stops
$1,846Brussels Airlines
Wed, Jul 22 - Wed, Sep 2
Multiple Airlines Logo
3:25 pm - 7:50 pm
PHL
-
ROB
24h 25m
3 stops
Multiple Airlines Logo
9:10 pm - 9:32 pm
ROB
-
PHL
28h 22m
2 stops
$1,871Multiple Airlines
Sat, Sep 19 - Sun, Oct 4
United Airlines Logo
11:04 am - 7:50 pm
PHL
-
ROB
28h 46m
3 stops
United Airlines Logo
9:10 pm - 9:29 pm
ROB
-
PHL
28h 19m
2 stops
$1,879United Airlines
Thu, Sep 17 - Sun, Oct 4
Brussels Airlines Logo
5:40 pm - 7:50 pm
PHL
-
ROB
46h 10m
3 stops
Brussels Airlines Logo
9:10 pm - 6:42 pm
ROB
-
PHL
25h 32m
2 stops
$1,880Brussels Airlines
Sun, Sep 20 - Sun, Oct 4
Multiple Airlines Logo
5:40 pm - 7:50 pm
PHL
-
ROB
46h 10m
3 stops
Multiple Airlines Logo
9:10 pm - 5:54 pm
ROB
-
PHL
24h 44m
2 stops
$1,883Multiple Airlines
Fri, Sep 18 - Sun, Oct 18
United Airlines Logo
7:40 pm - 7:50 pm
PHL
-
ROB
44h 10m
3 stops
United Airlines Logo
9:10 pm - 9:29 pm
ROB
-
PHL
28h 19m
2 stops
$1,885United Airlines
Wed, Sep 16 - Tue, Oct 6
United Airlines Logo
7:40 pm - 7:50 pm
PHL
-
ROB
44h 10m
3 stops
United Airlines Logo
9:10 pm - 7:24 pm
ROB
-
PHL
26h 14m
2 stops
$1,935United Airlines
Wed, Sep 23 - Sun, Sep 27

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Brussels Airlines flights from Philadelphia to Monrovia

Our best Brussels Airlines deals on Philadelphia to Monrovia flight tickets
Brussels Airlines
Nov 12
PHL3:20 pmPhiladelphia
24h 55m
3 stops
ROB9:15 pmMonrovia Roberts Intl
Nov 27
ROB10:45 pmMonrovia Roberts Intl
23h 37m
2 stops
PHL5:22 pmPhiladelphia
$1,821
Brussels Airlines
Jul 22
PHL7:00 pmPhiladelphia
44h 50m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Sep 2
ROB9:10 pmMonrovia Roberts Intl
21h 39m
2 stops
PHL2:49 pmPhiladelphia
$1,846
Brussels Airlines
Sep 20
PHL5:40 pmPhiladelphia
46h 10m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Oct 4
ROB9:10 pmMonrovia Roberts Intl
25h 32m
2 stops
PHL6:42 pmPhiladelphia
$1,880

United Airlines flights from Philadelphia to Monrovia

Our best United Airlines deals on Philadelphia to Monrovia flight tickets
United Airlines
Sep 17
PHL11:04 amPhiladelphia
28h 46m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Oct 4
ROB9:10 pmMonrovia Roberts Intl
28h 19m
2 stops
PHL9:29 pmPhiladelphia
$1,879
United Airlines
Sep 16
PHL7:40 pmPhiladelphia
44h 10m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Oct 6
ROB9:10 pmMonrovia Roberts Intl
28h 19m
2 stops
PHL9:29 pmPhiladelphia
$1,885
United Airlines
Sep 23
PHL7:40 pmPhiladelphia
44h 10m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Sep 27
ROB9:10 pmMonrovia Roberts Intl
26h 14m
2 stops
PHL7:24 pmPhiladelphia
$1,935

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 June 18, 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

Sun 9/20

9:30 pm-7:30 pm

3 stops42h 00m

Monrovia Roberts Intl

Sun 10/4

7:30 am-3:05 pm

3 stops35h 35m

$1,636

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Sun 9/20

9:30 pm-7:30 pm

3 stops42h 00m

Monrovia Roberts Intl

Mon 10/5

6:50 pm-3:05 pm

2 stops48h 15m

$1,725
Quickest round-trip

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Thu 11/12

3:20 pm-9:15 pm

3 stops24h 55m

Monrovia Roberts Intl

Fri 11/27

10:45 pm-5:22 pm

2 stops23h 37m

$1,821

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Wed 7/22

7:00 pm-7:50 pm

3 stops44h 50m

Monrovia Roberts Intl

Wed 9/2

9:10 pm-2:49 pm

2 stops21h 39m

$1,846

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Sat 9/19

3:25 pm-7:50 pm

3 stops24h 25m

Monrovia Roberts Intl

Sun 10/4

9:10 pm-9:32 pm

2 stops28h 22m

$1,871

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Thu 9/17

11:04 am-7:50 pm

3 stops28h 46m

Monrovia Roberts Intl

Sun 10/4

9:10 pm-9:29 pm

2 stops28h 19m

$1,879

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Sun 9/20

5:40 pm-7:50 pm

3 stops46h 10m

Monrovia Roberts Intl

Sun 10/4

9:10 pm-6:42 pm

2 stops25h 32m

$1,880

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Fri 9/18

5:40 pm-7:50 pm

3 stops46h 10m

Monrovia Roberts Intl

Sun 10/18

9:10 pm-5:54 pm

2 stops24h 44m

$1,883

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Wed 9/16

7:40 pm-7:50 pm

3 stops44h 10m

Monrovia Roberts Intl

Tue 10/6

9:10 pm-9:29 pm

2 stops28h 19m

$1,885

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

Wed 9/23

7:40 pm-7:50 pm

3 stops44h 10m

Monrovia Roberts Intl

Sun 9/27

9:10 pm-7:24 pm

2 stops26h 14m

$1,935

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 typical price of a round-trip flight between Philadelphia and Monrovia?

What is the cheapest month to fly to Monrovia?

If you’re not able to fly to Monrovia in January, then February is your next best option. Flight prices from Philadelphia to Monrovia during February average around $1,428.

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

30h 00m

Direct flights

None
The fastest flight from Philadelphia to Monrovia takes 30h 00m
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 30h 00m.

  • 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
412 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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Brussels Airlines
Royal Air Maroc
Ethiopian Air
United Airlines