$978+ Cheap flights from Philadelphia (PHL) to Monrovia (ROB)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ROB
Dec 11 — Dec 181
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Monrovia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Philadelphia to Monrovia
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Cheapest flights from Philadelphia to MonroviaExplore the most affordable flight options available from Philadelphia to Monrovia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 11, 2026.
Explore the most affordable flight options available from Philadelphia to Monrovia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 11, 2026.
This Trip.com deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:00 am -
2 stops27h 45m
Sun 11/2211:05 am -
3 stops41h 26m
Deal found 11/10![Ethiopian Air logo]()
$1,814
This KAYAK deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:40 pm -
3 stops44h 35m
Sun 12/2010:45 pm -
2 stops30h 49m
Deal found 11/7![Brussels Airlines logo]()
$1,886
This Ovago deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/183:05 pm -
2 stops22h 55m
Tue 12/2210:45 pm -
2 stops27h 56m
Deal found 11/9![Multiple Airlines logo]()
$1,971
This United deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:40 pm -
3 stops44h 35m
Sun 12/2010:45 pm -
2 stops46h 20m
Deal found 11/9![Multiple Airlines logo]()
$1,993
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:54 am -
2 stops27h 06m
Tue 12/2210:45 pm -
2 stops23h 59m
Deal found 11/9![United Airlines logo]()
$2,028
This United deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:55 pm -
3 stops25h 20m
Sun 1/3110:45 pm -
2 stops25h 00m
Deal found 11/8![Multiple Airlines logo]()
$2,053
Best flights from Philadelphia to MonroviaDiscover carefully curated flight deals from Philadelphia to Monrovia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 11, 2026.
Discover carefully curated flight deals from Philadelphia to Monrovia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 11, 2026.
This United Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/271:00 pm -
3 stops27h 05m
Fri 5/289:35 pm -
2 stops44h 16m
Deal found 11/11![United Airlines logo]()
$1,894
This United deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:40 pm -
3 stops44h 35m
Sun 12/2010:45 pm -
2 stops46h 20m
Deal found 11/9![Multiple Airlines logo]()
$1,993
This Brussels Airlines deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/23:10 pm -
3 stops25h 05m
Tue 3/2310:45 pm -
3 stops23h 52m
Deal found 11/8![Brussels Airlines logo]()
$2,068
This BusinessClass deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:40 pm -
2 stops44h 20m
Thu 12/318:20 pm -
3 stops30h 21m
Deal found 11/10![Multiple Airlines logo]()
$2,154
This United Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/145:03 pm -
3 stops47h 12m
Thu 2/188:20 pm -
3 stops26h 15m
Deal found 11/10![United Airlines logo]()
$2,196
This United deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 am -
3 stops34h 15m
Wed 1/1310:45 pm -
2 stops22h 20m
Deal found 11/6![Multiple Airlines logo]()
$2,176
This Mytrip deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/85:05 pm -
3 stops30h 35m
Thu 1/213:25 am -
2 stops40h 25m
Deal found 11/8![Multiple Airlines logo]()
$2,272
This Qatar Airways deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/118:45 pm -
3 stops39h 55m
Sun 3/287:30 am -
3 stops36h 30m
Deal found 11/7![Multiple Airlines logo]()
$2,314
Last-minute flights from Philadelphia to MonroviaDiscover last-minute flight deals from Philadelphia to Monrovia. Data last updated November 11, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Monrovia. Data last updated November 11, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:00 am -
2 stops27h 45m
Sun 11/2211:05 am -
3 stops41h 26m
Deal found 11/10![Ethiopian Air logo]()
$1,814
This Ovago deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/183:05 pm -
2 stops22h 55m
Tue 12/2210:45 pm -
2 stops27h 56m
Deal found 11/9![Multiple Airlines logo]()
$1,971
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:54 am -
2 stops27h 06m
Tue 12/2210:45 pm -
2 stops23h 59m
Deal found 11/9![United Airlines logo]()
$2,028
This KAYAK deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:40 pm -
3 stops44h 35m
Sun 12/2010:45 pm -
2 stops30h 49m
Deal found 11/7![Brussels Airlines logo]()
$1,886
This United deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:40 pm -
3 stops44h 35m
Sun 12/2010:45 pm -
2 stops46h 20m
Deal found 11/9![Multiple Airlines logo]()
$1,993
This United deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:55 pm -
3 stops25h 20m
Sun 1/3110:45 pm -
2 stops25h 00m
Deal found 11/8![Multiple Airlines logo]()
$2,053
One-way flights from Philadelphia to MonroviaSearch for one-way flight options from Philadelphia to Monrovia. Find affordable one-way fares based on user searches. Data last updated November 11, 2026.
Search for one-way flight options from Philadelphia to Monrovia. Find affordable one-way fares based on user searches. Data last updated November 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:25 am -
3 stops38h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$978
This Kiwi.com deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/98:40 am -
3 stops36h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$983
This Kiwi.com deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:40 pm -
3 stops27h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$995
This Kiwi.com deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:40 pm -
3 stops27h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$1,038
This KAYAK deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/171:20 pm -
3 stops26h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Brussels Airlines logo]()
$1,075
This KAYAK deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:40 pm -
2 stops42h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Lufthansa logo]()
$1,087
This Kiwi.com deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:45 pm -
3 stops42h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$1,133
This Kiwi.com deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:00 am -
3 stops52h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$1,142
This Kiwi.com deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/229:07 pm -
2 stops50h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Multiple Airlines logo]()
$1,205
This Justfly.com deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:45 pm -
2 stops48h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$1,219
Find flight deals from Philadelphia to Monrovia
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Monrovia (ROB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,768 (Justfly.com) |
One-way from | $978 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated November 11, 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
Cheapest round-trip
PhiladelphiaMonrovia
PHL Philadelphia - ROB Monrovia Roberts Intl
PHLROB
Philadelphia
Wed 12/9
8:40 am-2:25 am
3 stops36h 45m
Monrovia Roberts Intl
Wed 12/31
12:00 am-7:44 pm
Nonstop0h 00m
$983
PhiladelphiaMonrovia
PHL Philadelphia - ROB Monrovia Roberts Intl
PHLROB
Philadelphia
Mon 12/7
5:40 pm-2:25 am
3 stops27h 45m
Monrovia Roberts Intl
Wed 12/31
12:00 am-7:44 pm
Nonstop0h 00m
$995
PhiladelphiaMonrovia
PHL Philadelphia - ROB Monrovia Roberts Intl
PHLROB
Philadelphia
Tue 11/17
7:40 pm-7:00 pm
2 stops42h 20m
Monrovia Roberts Intl
Wed 12/31
12:00 am-7:44 pm
Nonstop0h 00m
$1,087
PhiladelphiaMonrovia
PHL Philadelphia - ROB Monrovia Roberts Intl
PHLROB
Philadelphia
Tue 12/22
9:07 pm-4:40 am
2 stops50h 33m
Monrovia Roberts Intl
Wed 12/31
12:00 am-7:44 pm
Nonstop0h 00m
$1,205
PhiladelphiaMonrovia
PHL Philadelphia - ROB Monrovia Roberts Intl
PHLROB
Philadelphia
Thu 12/10
6:45 pm-5:50 pm
3 stops42h 05m
Monrovia Roberts Intl
Wed 12/31
12:00 am-7:44 pm
Nonstop0h 00m
$1,241
PhiladelphiaMonrovia
PHL Philadelphia - ROB Monrovia Roberts Intl
PHLROB
Philadelphia
Tue 12/8
5:40 pm-7:00 pm
2 stops44h 20m
Monrovia Roberts Intl
Wed 12/31
12:00 am-7:44 pm
Nonstop0h 00m
$1,256
PhiladelphiaMonrovia
PHL Philadelphia - ROB Monrovia Roberts Intl
PHLROB
Philadelphia
Mon 12/21
5:40 pm-2:25 am
3 stops27h 45m
Monrovia Roberts Intl
Wed 12/31
12:00 am-7:44 pm
Nonstop0h 00m
$1,320
PhiladelphiaMonrovia
PHL Philadelphia - ROB Monrovia Roberts Intl
PHLROB
Philadelphia
Sun 12/20
5:40 pm-2:25 am
3 stops51h 45m
Monrovia Roberts Intl
Wed 12/31
12:00 am-7:44 pm
Nonstop0h 00m
$1,339
Quickest round-trip
PhiladelphiaMonrovia
PHL Philadelphia - ROB Monrovia Roberts Intl
PHLROB
Philadelphia
Tue 12/8
3:10 pm-9:15 pm
3 stops25h 05m
Monrovia Roberts Intl
Wed 12/31
12:00 am-7:44 pm
Nonstop0h 00m
$1,611
PhiladelphiaMonrovia
PHL Philadelphia - ROB Monrovia Roberts Intl
PHLROB
Philadelphia
Tue 4/27
1:00 pm-8:05 pm
3 stops27h 05m
Monrovia Roberts Intl
Fri 5/28
9:35 pm-1:51 pm
2 stops44h 16m
$1,894
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Philadelphia to Monrovia
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Monrovia in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Philadelphia-Monrovia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Monrovia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Monrovia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Philadelphia-Monrovia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Monrovia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Philadelphia to Monrovia
Have a flexible travel schedule? Discover the best time to fly to Monrovia from Philadelphia with our price prediction graph.
PHL-ROB
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Reviews of airlines servicing Monrovia
Get insights into the airlines that provide service to Monrovia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Monrovia. Reviews last updated November 11, 2026.
Read reviews from past customers who have flown Brussels Airlines from Philadelphia to Monrovia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.0
Comfort
7.1
Food
6.4
Overall
7.3
Boarding
7.4
Entertainment
6.2
Reviews
1 / 20
8.0
ExcellentCourtney,Jul 2026
MXP - YUL
Crew
8.0
Comfort
7.1
Food
6.4
Overall
7.3
Boarding
7.4
Entertainment
6.2
Reviews
1 / 20
8.0
ExcellentCourtney,Jul 2026
MXP - YUL
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to Monrovia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Philadelphia and Monrovia flights
Browse other Philadelphia and Monrovia flight options. Last updated on November 11, 2026.
Other flights from Philadelphia
Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on November 11, 2026.
Popular flight searches
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Top airline flying from Philadelphia to Monrovia
Discover the top airline that operate flights from Philadelphia to Monrovia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,398 | Average$1,788 | FlexibilityNo cancel fee | On-timeN/A |