Cheap flights from Philadelphia (PHL) to Monrovia (ROB) from $2,633

This is the cheapest one-way flight price, found on 9/25. Prices may vary by date and flight preferences.
PHL — ROB
Oct 1 — Oct 81

The best prices from Philadelphia to Monrovia Roberts Intl are usually found in October or May, booked 56 days in advance, depart on a Monday or Tuesday and return on a Monday

How to find the cheapest flight from Philadelphia (PHL) to Monrovia (ROB)

All the information you need to plan the best PHL to ROB flight in 2023: compare Philadelphia to Monrovia flight prices with the expected peak season, weather and rainfall in Monrovia.

Popular in

June

Cheapest in

October

Average price

$1,159

Round-trip from

$1,197
High demand for flights, 21% potential price rise
Best time to find cheap flights, 13% potential price drop
Average for round-trip flights in September 2023
From Philadelphia to Monrovia Roberts Intl

PHL - ROB

Price

$1,197 - $2,652

What is the cheapest day to fly round-trip from Philadelphia to Monrovia?

Monday flights are generally found to be more expensive for flights from Philadelphia to Monrovia. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Monrovia.

How far in advance should I book a flight from Philadelphia to Monrovia?

Users have found that booking a flight from Philadelphia to Monrovia at least 29 days early can save you up to 4% on average compared to booking a flight this week. If booking 29 days before your flight isn’t an option for you, users have found flights from Philadelphia to Monrovia for as little as $1,388 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,430 for flights departing within the next 3 days.

What is the cheapest month to fly from Philadelphia to Monrovia?

Flights from Philadelphia to Monrovia lean towards being more expensive in June. Prices are generally better when you fly from Philadelphia to Monrovia in October, with the cheapest ticket starting at $1,113.

When is the cheapest time to fly from Philadelphia to Monrovia (PHL - ROB)?

When flying from Philadelphia to Monrovia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Brussels Airlines flights from Philadelphia to Monrovia

Cheap Philadelphia to Monrovia flights in September & October 2023

The best prices found for PHL to ROB flights for September, October

Philadelphia to Monrovia 2023 flight deals

Cheap flights to Monrovia from Philadelphia found for this year

One-way flights to Monrovia from Philadelphia

The cheapest one-way flights from Philadelphia to Monrovia

Find flights from Philadelphia to Monrovia within your budget

Use the slider to find flights from Philadelphia to Monrovia that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$2,633 - $9,001

Route

Depart

Return

Price

PhiladelphiaMonrovia Roberts Intl

PHL - ROB

PHLROB

Philadelphia

Tue 10/24

3 stops40h 10m

Monrovia Roberts Intl

Tue 10/31

2 stops47h 35m

PhiladelphiaMonrovia Roberts Intl

PHL - ROB

PHLROB

Philadelphia

Mon 12/18

2 stops39h 55m

Monrovia Roberts Intl

Mon 1/15

3 stops41h 35m

PhiladelphiaMonrovia Roberts Intl

PHL - ROB

PHLROB

Philadelphia

Wed 12/20

3 stops44h 33m

Monrovia Roberts Intl

Wed 1/3

2 stops29h 51m

PhiladelphiaMonrovia Roberts Intl

PHL - ROB

PHLROB

Philadelphia

Wed 12/20

2 stops45h 05m

Monrovia Roberts Intl

Wed 1/3

2 stops23h 35m

PhiladelphiaMonrovia Roberts Intl

PHL - ROB

PHLROB

Philadelphia

Tue 10/24

2 stops38h 35m

Monrovia Roberts Intl

Tue 10/31

2 stops47h 35m

PhiladelphiaMonrovia Roberts Intl

PHL - ROB

PHLROB

Philadelphia

Mon 12/18

2 stops39h 55m

Monrovia Roberts Intl

Mon 1/15

2 stops36h 55m

PhiladelphiaMonrovia Roberts Intl

PHL - ROB

PHLROB

Philadelphia

Tue 12/19

2 stops50h 45m

Monrovia Roberts Intl

Mon 1/15

3 stops41h 35m

PhiladelphiaMonrovia Roberts Intl

PHL - ROB

PHLROB

Philadelphia

Tue 12/19

2 stops42h 15m

Monrovia Roberts Intl

Mon 1/15

2 stops23h 50m

PhiladelphiaMonrovia Roberts Intl

PHL - ROB

PHLROB

Philadelphia

Tue 10/24

3 stops69h 35m

Monrovia Roberts Intl

Tue 10/31

3 stops47h 35m

Flights are sorted by cheapest first

Deals found on 9/25

Reviews of airlines servicing Monrovia

United Airlines
7.4
Good
1,890 reviews

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.0

Food

6.7

Reviews

1 / 10

Plane had an issuue mid air and had to land back in Switzerland

United Airlines
7.4
Good
1,890 reviews
United Airlines
7.4
Good
1,890 reviews

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.0

Food

6.7

Reviews

1 / 10

Plane had an issuue mid air and had to land back in Switzerland

Brussels Airlines
6.7
Okay
65 reviews
United Airlines
7.4
Good
1,890 reviews

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.0

Food

6.7

Reviews

1 / 10

Plane had an issuue mid air and had to land back in Switzerland

Related info for your journey

Useful info, stats and facts about Philadelphia to Monrovia flights.

Can I find flights from Philadelphia to Monrovia for under $2,700 on Cheapflights?

Yes, there are multiple flights from Philadelphia to Monrovia for under $2,700. The cheapest flight booked recently is on Multiple Airlines for just $2,633, but on average you can expect to pay $5,713.

How popular is this Philadelphia to Monrovia flight route?

What are the cheapest airlines flying from Philadelphia to Monrovia round-trip?

Our cheapest airline available from Philadelphia to Monrovia is United Airlines. Our recent data shows that you can find tickets from as low as $4,416 on this airline. An additional option worth looking into is Brussels Airlines, starting at $4,472.

What does PHL to ROB mean?

Great question - PHL to ROB just means Philadelphia Airport to Monrovia Roberts Intl Airport. Now you’ll know what these unique codes when you look for flights!

Other flights from Philadelphia

Flights to Monrovia from Philadelphia

Top 2 airlines flying from Philadelphia to Monrovia

The chart below displays the airlines Cheapflights users traveling from Philadelphia to Monrovia choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,120Average$1,479FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Brussels AirlinesCheapest$1,191Average$1,296FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights

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When you search for this flight from Philadelphia to Monrovia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Monrovia?

Millions of users choose and trust Cheapflights to book the best flight deals from Philadelphia to Monrovia for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Philadelphia to Monrovia with no change fees?

Yes, we can. To see specific flights from Philadelphia to Monrovia with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Philadelphia to Monrovia become cheaper?

Yes! Start tracking prices for Philadelphia to Monrovia flights today and get alerted whenever prices for these flights change. To access this feature, navigate to the search form above to perform a search, which will then prompt you for a valid email address to use the tool.

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