PHL - ROB

$1,590 Find Cheap Flights from Philadelphia to Monrovia

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Philadelphia to Monrovia departing on 11/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Monrovia

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Philadelphia to Monrovia, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Philadelphia to Monrovia, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Philadelphia to Monrovia (PHL-ROB)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Philadelphia to Monrovia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to Monrovia

Fri, Nov 28 - Sat, Apr 11
 Logo
3:30 pm - 9:10 pmPHL-ROB
24h 40m3 stops
 Logo
9:10 pm - 2:37 pmROB-PHL
21h 27m2 stops
$1,590
Find Deal
Mon, Nov 24 - Sat, Apr 11
United Airlines Logo
6:31 pm - 9:10 pmPHL-ROB
45h 39m3 stops
United Airlines Logo
9:10 pm - 5:22 pmROB-PHL
24h 12m2 stops
$1,598United Airlines
Find Deal
Wed, Nov 26 - Sat, Apr 11
United Airlines Logo
8:00 pm - 6:45 pmPHL-ROB
41h 45m2 stops
United Airlines Logo
9:10 pm - 9:32 pmROB-PHL
28h 22m2 stops
$1,648United Airlines
Find Deal
Tue, Nov 25 - Sun, Apr 12
Brussels Airlines Logo
5:35 pm - 9:10 pmPHL-ROB
22h 35m3 stops
Brussels Airlines Logo
9:10 pm - 4:00 pmROB-PHL
46h 50m2 stops
$1,690Brussels Airlines
Find Deal
Thu, Nov 27 - Sun, Apr 12
Brussels Airlines Logo
5:35 pm - 9:10 pmPHL-ROB
46h 35m3 stops
Brussels Airlines Logo
9:10 pm - 4:00 pmROB-PHL
46h 50m2 stops
$1,703Brussels Airlines
Find Deal
Sat, Nov 29 - Wed, Apr 8
United Airlines Logo
6:00 am - 9:10 pmPHL-ROB
34h 10m3 stops
United Airlines Logo
9:10 pm - 9:24 amROB-PHL
40h 14m2 stops
$1,749United Airlines
Find Deal
Mon, Jul 21 - Tue, Jul 29
United Airlines Logo
3:05 pm - 7:50 pmPHL-ROB
24h 45m3 stops
United Airlines Logo
9:10 pm - 11:14 pmROB-PHL
30h 04m2 stops
$1,759United Airlines
Find Deal
Tue, Jul 29 - Tue, Aug 5
Brussels Airlines Logo
5:35 pm - 7:50 pmPHL-ROB
22h 15m3 stops
Brussels Airlines Logo
9:10 pm - 4:00 pmROB-PHL
46h 50m2 stops
$1,764Brussels Airlines
Find Deal
Mon, Jul 21 - Tue, Jul 29
Brussels Airlines Logo
5:35 pm - 7:50 pmPHL-ROB
22h 15m3 stops
Brussels Airlines Logo
9:10 pm - 6:48 pmROB-PHL
49h 38m3 stops
$1,819Brussels Airlines
Find Deal
Thu, Nov 27 - Fri, Apr 10
 Logo
10:34 am - 2:45 pmPHL-ROB
47h 11m2 stops
 Logo
7:30 am - 9:00 amROB-PHL
29h 30m2 stops
$1,961
Find Deal
Useful Info

KAYAK's insights & trends for Philadelphia to Monrovia flights

Get data-powered insights and trends into flights from Philadelphia to Monrovia to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Philadelphia to Monrovia?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Philadelphia to Monrovia were found on United Airlines ($1,598) and Brussels Airlines ($1,690).

Good to know

High seasonDecember
Cheapest flight$1,590
Most popular time to fly with an average 10% increase in price.
Flight from Philadelphia to Monrovia

When to book flights from Philadelphia to Monrovia

Are your dates flexible? Find out the best times to travel from Philadelphia to Monrovia based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Philadelphia to Monrovia

  • What is the cheapest flight from Philadelphia to Monrovia?

    In the last 3 days, the lowest price for a flight from Philadelphia to Monrovia was $3,860 for a one-way ticket and $1,590 for a round-trip.

  • Do I need a passport to fly between Philadelphia and Monrovia?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Philadelphia and on arrival in Monrovia.

  • Which airports will I be using when flying from Philadelphia to Monrovia?

    Philadelphia and Monrovia are both served by 1 main airport. You will leave Philadelphia from Philadelphia and will be arriving at Monrovia Roberts Intl.

  • Which aircraft models fly most regularly from Philadelphia to Monrovia?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Philadelphia to Monrovia?

    Star Alliance is the only airline alliance operating flights between Philadelphia and Monrovia.

  • Which is the best airline for flights from Philadelphia to Monrovia, Brussels Airlines or United Airlines?

    The two airlines most popular with KAYAK users for flights from Philadelphia to Monrovia are Brussels Airlines and United Airlines. With an average price for the route of $1,585 and an overall rating of 7.4, Brussels Airlines is the most popular choice. United Airlines is also a great choice for the route, with an average price of $1,753 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Philadelphia to Monrovia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Philadelphia to Monrovia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Philadelphia to Monrovia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Monrovia from Philadelphia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Philadelphia to Monrovia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Monrovia with an airline and back to Philadelphia with another airline. Booking your flights between Philadelphia and ROB can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Philadelphia to Monrovia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Monrovia from Philadelphia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top airlines flying from Philadelphia to Monrovia

 
See real verified KAYAK customer reviews for airlines flying from Philadelphia to Monrovia. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Philadelphia to Monrovia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
Brussels AirlinesOverall score based on 355 reviews
8.0Crew
7.1Comfort
6.4Food
7.5Boarding
6.3Entertainment
Airline reviews

All great. Very efficient. Good emails that kept us in the know

10.0 ExcellentGrant, May 2025ALC - BRU
Read more Brussels Airlines reviews

All great. Very efficient. Good emails that kept us in the know

Original flight was canceled, booked another one and find out when checking I was on the waiting list. Horrible experience

Actually this is my first time using airline I was in every single thing that happened throughout our journey, the appearance of the plane inside furnished about the seating the flight attendants and many many more I was so excited throughout thank you Brussels Airlines for the great service.

On board service was decent. I like the legroom at UA that seems to be more than in other airlines

It was really good because the employees were very nice and fun to talk to. The entertainment was nice because they had plenty of movies to watch.

Crew was enthusiastic. Meal was surprisingly good. They came to give water very frequently. Negative that the seat reclining didn't work

That was a short flight by the only time I could actually sleep

How can a national carrier and part of Lufthansa group not even provide complimentary water and a snack in such a long flight ?

The flight went well, only during the flight from Brussels to Vilnius I would have liked if they had at least given us plain water to drink.

The boarding process would have been better. When people are flying internationally and the airline is a member of Star Alliance they cannot have different rules for carryon baggage. Brussels Airlines made us adjust the weight of our carryons based on their rules even though we were flying international and our next flight was with United which does not have weight restrictions for carryons. That was just ridiculous.

Gate agent did not hold flight for connection, provided no assistance to get new flight

Evidently, my seat had the only broken TV. I couldn’t plug it in, get it to come on, or watch anything, and of course, no one could fix it while we were on the plane. The service was good and the boarding was quick

United airlines, mediocre at best. No issues , nothing great . Worked for me

Boarding experience was smooth. Flight attendants were friendly and helpful. Entertainment system on the Houston-Edmonton flight did not function for passengers on the left side of the aisle. On the bird's eye flight from Quito to Houston, they should not serve a meal. No one needs to eat after midnight and it is disturbing for those passengers trying to sleep.

it was so bad. I tried to board my flight from vancouver to saskatoon. And to my surprise they did not board me cause the flight was changed and no email was send to me. and on my boarding pass which i got from seattle says different flight. I did not knew anyone from Vancouver, air canada crew was rude, i asked for today flight but they were rude and i had early morning dental appointment in saskatoon. I was so much in pain and my whole day is wasted today. and i suffered alot. They did provide me hotel but they did not provide me any food. I am really really disappointed first time had so bad experience with air canada. I may think twice to book it again. If i can get any reply or any composition that would be great. Thanks

It was fine, definitely older planes with no charging or anything. There’s no entertainment set up on board, but it is nice that they allow you to access the in flight entertainment from your phone without having to pay for the Wi-Fi and they do offer free texting.

Terrible. Out flight was delayed for 21 (twenty one) hours. United is a joke.

Boarding was mayhem. Late boarding by 15 minutes because of lack of staff (missing 1 flight attendant. We had to wait for an arrival of another plane before we could board). Flight was a little rough, but cannot blame on airlines.

Impressed with the service despite turbulence because of the weather. Both flights arrived before their scheduled times.

Very comfortable (upgraded to business class). The audio on my screen didn’t work, but I managed to play the audio through my phone while watching the screen.

Everything you need to know for your flight from Philadelphia to Monrovia

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