Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Philadelphia to Monrovia from $781

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 2/28. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Philadelphia to Monrovia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Brussels Airlines Logo
3:30 pm - 9:15 pm
PHL
-
ROB
25h 45m
3 stops
Brussels Airlines Logo
10:45 pm - 7:09 pm
ROB
-
PHL
24h 24m
2 stops
$1,382Brussels Airlines
lun., mar. 9 - mié., mar. 18
SWISS Logo
10:35 am - 9:15 pm
PHL
-
ROB
30h 40m
3 stops
SWISS Logo
10:45 pm - 9:09 pm
ROB
-
PHL
26h 24m
2 stops
$1,399SWISS
lun., mar. 9 - mar., mar. 17
United Airlines Logo
7:45 pm - 9:15 pm
PHL
-
ROB
45h 30m
3 stops
United Airlines Logo
10:45 pm - 7:09 pm
ROB
-
PHL
24h 24m
2 stops
$1,442United Airlines
dom., mar. 8 - mié., mar. 18
Brussels Airlines Logo
6:40 pm - 9:15 pm
PHL
-
ROB
46h 35m
3 stops
Brussels Airlines Logo
10:45 pm - 7:09 pm
ROB
-
PHL
24h 24m
2 stops
$1,446Brussels Airlines
dom., mar. 8 - mar., mar. 17
Multiple Airlines Logo
3:30 pm - 9:15 pm
PHL
-
ROB
25h 45m
3 stops
Multiple Airlines Logo
10:45 pm - 5:05 pm
ROB
-
PHL
22h 20m
2 stops
$1,459Multiple Airlines
mar., mar. 10 - mié., mar. 18
United Airlines Logo
3:05 pm - 9:15 pm
PHL
-
ROB
25h 10m
3 stops
United Airlines Logo
8:05 pm - 9:09 pm
ROB
-
PHL
30h 04m
3 stops
$1,461United Airlines
mar., feb. 17 - vie., mar. 6
Brussels Airlines Logo
6:40 pm - 9:15 pm
PHL
-
ROB
46h 35m
3 stops
Brussels Airlines Logo
10:45 pm - 5:05 pm
ROB
-
PHL
22h 20m
2 stops
$1,470Brussels Airlines
dom., mar. 8 - mié., mar. 18
British Airways Logo
7:45 pm - 2:05 am
PHL
-
ROB
25h 20m
2 stops
British Airways Logo
5:45 am - 3:30 pm
ROB
-
PHL
37h 45m
2 stops
$1,485British Airways
mié., feb. 25 - mié., abr. 1
United Airlines Logo
7:45 pm - 6:45 pm
PHL
-
ROB
42h 00m
2 stops
United Airlines Logo
10:45 pm - 7:04 pm
ROB
-
PHL
25h 19m
2 stops
$1,492United Airlines
mié., feb. 11 - dom., feb. 22
British Airways Logo
6:35 pm - 2:05 am
PHL
-
ROB
26h 30m
2 stops
British Airways Logo
5:45 am - 4:40 pm
ROB
-
PHL
38h 55m
2 stops
$1,510British Airways
vie., feb. 27 - mié., abr. 1

Ethiopian Air flights from Philadelphia to Monrovia

Our best Ethiopian Air deals on Philadelphia to Monrovia flight tickets
Ethiopian Air
Feb 20
PHL8:02 pmPhiladelphia
37h 43m
2 stops
ROB2:45 pmMonrovia Roberts Intl
Mar 16
ROB7:30 amMonrovia Roberts Intl
34h 47m
3 stops
PHL2:17 pmPhiladelphia
$1,613
Ethiopian Air
Feb 20
PHL8:02 pmPhiladelphia
40h 48m
3 stops
ROB5:50 pmMonrovia Roberts Intl
Mar 16
ROB7:30 amMonrovia Roberts Intl
34h 47m
3 stops
PHL2:17 pmPhiladelphia
$1,696
Ethiopian Air
Mar 8
PHL6:30 amPhiladelphia
28h 15m
2 stops
ROB2:45 pmMonrovia Roberts Intl
Mar 16
ROB7:30 amMonrovia Roberts Intl
30h 17m
3 stops
PHL9:47 amPhiladelphia
$1,700

Brussels Airlines flights from Philadelphia to Monrovia

Our best Brussels Airlines deals on Philadelphia to Monrovia flight tickets
Brussels Airlines
Mar 9
PHL3:30 pmPhiladelphia
25h 45m
3 stops
ROB9:15 pmMonrovia Roberts Intl
Mar 18
ROB10:45 pmMonrovia Roberts Intl
24h 24m
2 stops
PHL7:09 pmPhiladelphia
$1,382
Brussels Airlines
Mar 8
PHL6:40 pmPhiladelphia
46h 35m
3 stops
ROB9:15 pmMonrovia Roberts Intl
Mar 17
ROB10:45 pmMonrovia Roberts Intl
24h 24m
2 stops
PHL7:09 pmPhiladelphia
$1,446
Brussels Airlines
Mar 8
PHL6:40 pmPhiladelphia
46h 35m
3 stops
ROB9:15 pmMonrovia Roberts Intl
Mar 18
ROB10:45 pmMonrovia Roberts Intl
22h 20m
2 stops
PHL5:05 pmPhiladelphia
$1,470

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 enero 29, 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

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

lun. 3/9

3:30 pm-9:15 pm

3 stops25h 45m

Monrovia Roberts Intl

mié. 3/18

10:45 pm-7:09 pm

2 stops24h 24m

$1,382

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

lun. 3/9

10:35 am-9:15 pm

3 stops30h 40m

Monrovia Roberts Intl

mar. 3/17

10:45 pm-9:09 pm

2 stops26h 24m

$1,399

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

dom. 3/8

7:45 pm-9:15 pm

3 stops45h 30m

Monrovia Roberts Intl

mié. 3/18

10:45 pm-7:09 pm

2 stops24h 24m

$1,442

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

dom. 3/8

6:40 pm-9:15 pm

3 stops46h 35m

Monrovia Roberts Intl

mar. 3/17

10:45 pm-7:09 pm

2 stops24h 24m

$1,446

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

mar. 3/10

3:30 pm-9:15 pm

3 stops25h 45m

Monrovia Roberts Intl

mié. 3/18

10:45 pm-5:05 pm

2 stops22h 20m

$1,459

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

mar. 2/17

3:05 pm-9:15 pm

3 stops25h 10m

Monrovia Roberts Intl

vie. 3/6

8:05 pm-9:09 pm

3 stops30h 04m

$1,461

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

dom. 3/8

6:40 pm-9:15 pm

3 stops46h 35m

Monrovia Roberts Intl

mié. 3/18

10:45 pm-5:05 pm

2 stops22h 20m

$1,470

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

mié. 2/25

7:45 pm-2:05 am

2 stops25h 20m

Monrovia Roberts Intl

mié. 4/1

5:45 am-3:30 pm

2 stops37h 45m

$1,485

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

mié. 2/11

7:45 pm-6:45 pm

2 stops42h 00m

Monrovia Roberts Intl

dom. 2/22

10:45 pm-7:04 pm

2 stops25h 19m

$1,492

PhiladelphiaMonrovia

PHL - ROB

PHLROB

Philadelphia

vie. 2/27

6:35 pm-2:05 am

2 stops26h 30m

Monrovia Roberts Intl

mié. 4/1

5:45 am-4:40 pm

2 stops38h 55m

$1,510

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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 airline that flies from Philadelphia to Monrovia Roberts Intl?

Brussels Airlines, British Airways, and Ethiopian Air are the most popular carriers operating from Philadelphia to Monrovia Roberts Intl

What airlines fly to Monrovia?

Brussels Airlines, Royal Air Maroc and Ethiopian Air are the top three most popular airlines that fly to Monrovia from Philadelphia according to our data. Brussels Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Monrovia. Keep in mind that there are 6 different airlines that fly to Monrovia on a routine basis, so you have a few additional options to choose from.

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 55m

Direct flights

None
The fastest flight from Philadelphia to Monrovia takes 22h 55m
There are no direct flights from Philadelphia to Monrovia. There are no popular flight routes from Philadelphia to Monrovia.
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 22h 55m.

  • 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 $1,428Free CancellationRating
7.2
381 reviews
Search Brussels Airlines flights
United AirlinesPriceFrom $1,470Free CancellationRating
7.4
9,216 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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
sáb. 2/28
sáb. 3/7
By creating a price alert you accept our terms of use and privacy policy.

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
Brussels Airlines
Royal Air Maroc
Ethiopian Air
United Airlines
Air Côte d’Ivoire
Kenya Airways