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Monrovia

$938+ Cheap flights from Phoenix to Monrovia (ROB)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ROB
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
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Cheap flight deals from Phoenix to Monrovia

Cheapest flights from Phoenix to Monrovia
Explore the most affordable flight options available from Phoenix to Monrovia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.

This Trip.com deal was found by Cheapflights users on 7/28. 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 11/17:35 pm
PHX
-
ROB
3 stops47h 50m
Multiple Airlines
Sun 11/293:25 am
ROB
-
PHX
3 stops49h 25m
Multiple Airlines
Deal found 7/28$1,759
This FlightHub deal was found by Cheapflights users on 7/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:32 pm
PHX
-
ROB
2 stops32h 03m
Multiple Airlines
Tue 2/163:25 am
ROB
-
PHX
2 stops42h 49m
Multiple Airlines
Deal found 7/28$1,907
This oojo deal was found by Cheapflights users on 7/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2710:25 pm
PHX
-
ROB
2 stops38h 05m
Ethiopian Air
Wed 12/308:15 am
ROB
-
PHX
2 stops34h 55m
Ethiopian Air
Deal found 7/26$1,912
This FlightHub deal was found by Cheapflights users on 7/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2710:25 pm
PHX
-
ROB
3 stops38h 05m
Multiple Airlines
Wed 12/308:15 am
ROB
-
PHX
3 stops34h 55m
Multiple Airlines
Deal found 7/26$1,963
This United Airlines deal was found by Cheapflights users on 7/28. 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 9/1611:54 pm
PHX
-
ROB
3 stops36h 56m
United Airlines
Wed 2/1710:45 pm
ROB
-
PHX
3 stops30h 54m
United Airlines
Deal found 7/28$1,988
This KAYAK deal was found by Cheapflights users on 7/27. 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.
Wed 9/1611:54 pm
PHX
-
ROB
3 stops36h 56m
Brussels Airlines
Wed 2/1710:45 pm
ROB
-
PHX
2 stops29h 10m
Brussels Airlines
Deal found 7/27$1,998
This Justfly.com deal was found by Cheapflights users on 7/26. 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.
Sun 12/277:00 am
PHX
-
ROB
2 stops38h 35m
Multiple Airlines
Fri 1/155:35 am
ROB
-
PHX
2 stops47h 12m
Multiple Airlines
Deal found 7/26$2,034
This Ovago deal was found by Cheapflights users on 7/26. 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.
Tue 12/1511:56 pm
PHX
-
ROB
2 stops45h 39m
Multiple Airlines
Tue 12/293:25 am
ROB
-
PHX
2 stops50h 20m
Multiple Airlines
Deal found 7/26$2,098

Find flight deals from Phoenix to Monrovia

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) 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 July 28, 2026.

Round-trip from

$1,759
(Trip.com)

One-way from

$938
(Ovago)
From Phoenix to Monrovia Roberts Intl
Search Deals
One-way flight from Phoenix to Monrovia Roberts Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix 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 2,558,603 searches. Data last updated July 28, 2026.
Use the filters below to find and compare flights from Phoenix to Monrovia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Wed 9/16

1:32 pm-4:35 am

2 stops32h 03m

Monrovia Roberts Intl

Tue 2/16

3:25 am-3:14 pm

2 stops42h 49m

$1,907

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Fri 11/27

10:25 pm-7:30 pm

3 stops38h 05m

Monrovia Roberts Intl

Wed 12/30

8:15 am-12:10 pm

3 stops34h 55m

$1,963

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Wed 9/16

11:54 pm-7:50 pm

3 stops36h 56m

Monrovia Roberts Intl

Wed 2/17

10:45 pm-10:39 pm

3 stops30h 54m

$1,988
Quickest round-trip

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Wed 9/16

11:54 pm-7:50 pm

3 stops36h 56m

Monrovia Roberts Intl

Wed 2/17

10:45 pm-8:55 pm

2 stops29h 10m

$1,998

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Fri 11/27

5:05 pm-9:15 pm

3 stops45h 10m

Monrovia Roberts Intl

Wed 12/30

10:45 pm-10:51 pm

2 stops31h 06m

$1,999

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Sun 12/27

6:32 pm-9:15 pm

3 stops43h 43m

Monrovia Roberts Intl

Fri 1/15

10:45 pm-10:39 pm

3 stops30h 54m

$1,999

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Sun 12/27

7:00 am-4:35 am

2 stops38h 35m

Monrovia Roberts Intl

Fri 1/15

5:35 am-9:47 pm

2 stops47h 12m

$2,034

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Tue 12/15

11:56 pm-4:35 am

2 stops45h 39m

Monrovia Roberts Intl

Tue 12/29

3:25 am-10:45 pm

2 stops50h 20m

$2,098
Cheapest one-way

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Tue 9/1

11:07 pm-4:35 am

2 stops46h 28m

$938

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Sat 8/8

8:50 am-7:50 pm

3 stops28h 00m

$1,013

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

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

Best time to book a flight from Phoenix to Monrovia

Have a flexible travel schedule? Discover the best time to fly to Monrovia from Phoenix with our price prediction graph.
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.

Cheapflights Insights

Everything you need to know about your flight from Phoenix to Monrovia

No data available for this route at this time. Please check back soon.

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 July 28, 2026.
See what other customers who have flown with Brussels Airlines from Phoenix to Monrovia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Brussels Airlines
7.2
Good
424 reviews

Overall

7.2

Comfort

7.0

Food

6.3

Boarding

7.4

Entertainment

6.2

Crew

7.9

Reviews

1 / 20
8.0
Excellent

Nyaga,Mar 2026

BRU - NBO

Airbus A330 was quite empty, so had all the seats to myself. Very comfortable. Flight left on time. Not a fan of pizza as it is processed carbs heavy but the rest of the food was good. Movies were good. I enjoyed Better Man - a movie on Robbie William's life.
Brussels Airlines
7.2
Good
424 reviews
Brussels Airlines
7.2
Good
424 reviews

Overall

7.2

Comfort

7.0

Food

6.3

Boarding

7.4

Entertainment

6.2

Crew

7.9

Reviews

1 / 20
8.0
Excellent

Nyaga,Mar 2026

BRU - NBO

Airbus A330 was quite empty, so had all the seats to myself. Very comfortable. Flight left on time. Not a fan of pizza as it is processed carbs heavy but the rest of the food was good. Movies were good. I enjoyed Better Man - a movie on Robbie William's life.

Related info for your journey

Find useful and relevant information for your journey from Phoenix to Monrovia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Monrovia from Phoenix?

    Most people fly into Monrovia Roberts Intl (ROB) if they book a flight to Monrovia from Phoenix. On average, Roberts Intl has 0 inbound flights from Phoenix per day from 1 airline. Monrovia Roberts Intl is conveniently located just 30.2 mi from Monrovia’s city center.

  • What is the cheapest airline to fly from Phoenix to Monrovia round-trip?

    Our cheapest airline available from Phoenix to Monrovia is Brussels Airlines. Our recent data shows that you can find tickets from as low as $1,635 on this airline.

  • Can I find deals for flights from Phoenix to Monrovia that include hotel bookings?

    Yes. In addition to deals on Phoenix to Monrovia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phoenix to Monrovia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix to Monrovia.

  • Can I find deals for business class flights from Phoenix to Monrovia?

    Yes. Cheapflights offers flight deals from Phoenix to Monrovia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Phoenix to Monrovia

Discover the top airline that operate flights from Phoenix 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 2,558,603 searches. Data last updated July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$1,635Average$1,753FlexibilityNo cancel feeOn-timeN/A

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