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Monrovia

$1,719+ Cheap flights from Phoenix 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ROB
May 24 — May 311
Sun 5/24
Sun 5/31
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 April 24, 2026.

This oojo deal was found by Cheapflights users on 4/22. 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.
Tue 12/112:19 pm
PHX
-
ROB
2 stops22h 31m
Ethiopian Air
Thu 12/317:30 am
ROB
-
PHX
2 stops45h 15m
Ethiopian Air
Deal found 4/22$1,719
This KAYAK deal was found by Cheapflights users on 4/22. 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 12/112:19 pm
PHX
-
ROB
3 stops22h 31m
Multiple Airlines
Thu 12/317:30 am
ROB
-
PHX
3 stops37h 43m
Multiple Airlines
Deal found 4/22$1,747
This KAYAK deal was found by Cheapflights users on 4/22. 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 5/811:47 pm
PHX
-
ROB
2 stops31h 58m
Multiple Airlines
Mon 5/187:30 am
ROB
-
PHX
3 stops43h 09m
Multiple Airlines
Deal found 4/22$1,753
This United Airlines deal was found by Cheapflights users on 4/19. 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 10/2811:59 pm
PHX
-
ROB
2 stops35h 46m
United Airlines
Sun 11/110:45 pm
ROB
-
PHX
2 stops29h 10m
United Airlines
Deal found 4/19$1,980
This Justfly.com deal was found by Cheapflights users on 4/23. 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.
Wed 6/311:58 pm
PHX
-
ROB
2 stops21h 37m
Multiple Airlines
Wed 6/245:45 am
ROB
-
PHX
2 stops47h 01m
Multiple Airlines
Deal found 4/23$2,001
This BusinessClass deal was found by Cheapflights users on 4/21. 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.
Mon 6/2211:05 pm
PHX
-
ROB
2 stops22h 30m
Multiple Airlines
Fri 7/245:45 am
ROB
-
PHX
2 stops46h 58m
Multiple Airlines
Deal found 4/21$2,087
This Justfly.com deal was found by Cheapflights users on 4/21. 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.
Tue 6/211:58 pm
PHX
-
ROB
2 stops45h 37m
Multiple Airlines
Wed 6/245:45 am
ROB
-
PHX
2 stops47h 01m
Multiple Airlines
Deal found 4/21$2,102

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 April 24, 2026.

Round-trip from

$1,753
(KAYAK)
From Phoenix to Monrovia Roberts Intl
Search Deals

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 April 24, 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

Fri 5/8

11:47 pm-2:45 pm

2 stops31h 58m

Monrovia Roberts Intl

Mon 5/18

7:30 am-7:39 pm

3 stops43h 09m

$1,753

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Tue 6/2

11:58 pm-4:35 am

2 stops45h 37m

Monrovia Roberts Intl

Wed 6/24

5:45 am-9:46 pm

2 stops47h 01m

$2,184

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Wed 6/3

11:50 pm-7:50 pm

3 stops37h 00m

Monrovia Roberts Intl

Wed 6/24

9:10 pm-7:46 pm

2 stops29h 36m

$2,192

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Wed 6/3

5:49 pm-7:50 pm

3 stops43h 01m

Monrovia Roberts Intl

Wed 6/10

9:10 pm-7:46 pm

2 stops29h 36m

$2,192
Quickest round-trip

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Tue 6/23

9:45 am-7:50 pm

3 stops27h 05m

Monrovia Roberts Intl

Fri 7/24

9:10 pm-7:46 pm

2 stops29h 36m

$2,555

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Thu 6/18

7:07 am-7:50 pm

3 stops29h 43m

Monrovia Roberts Intl

Tue 7/28

9:10 pm-5:53 pm

2 stops27h 43m

$2,555

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Fri 5/8

5:45 am-5:50 pm

2 stops29h 05m

Monrovia Roberts Intl

Mon 5/18

6:50 pm-11:06 am

2 stops47h 16m

$2,584

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Tue 6/2

5:45 am-5:50 pm

2 stops29h 05m

Monrovia Roberts Intl

Thu 9/24

6:50 pm-10:58 pm

2 stops35h 08m

$2,838

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Mon 6/1

10:45 pm-5:50 pm

2 stops36h 05m

Monrovia Roberts Intl

Thu 7/2

6:50 pm-11:43 pm

2 stops35h 53m

$2,892

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Sorted by cheapest first

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 April 24, 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
404 reviews

Overall

7.2

Boarding

7.3

Comfort

7.0

Entertainment

6.2

Food

6.3

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
404 reviews
Brussels Airlines
7.2
Good
404 reviews

Overall

7.2

Boarding

7.3

Comfort

7.0

Entertainment

6.2

Food

6.3

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.

  • How long is the flight from Phoenix to Monrovia?

    Departing from Phoenix to Monrovia will take you 37h. The distance from Phoenix to Monrovia is about 6640 mi.

  • 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 $1,621 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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Search flights from Phoenix to Monrovia by cabin class

Find flights from Phoenix to Monrovia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First class flights to Monrovia
Business class flights to Monrovia
Prem Economy class flights to Monrovia
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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 April 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$1,621Average$1,753FlexibilityNo cancel feeOn-timeN/A

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