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Monrovia

$1,623+ Cheap flights from Sky Harbor Intl (PHX) 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ROB
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Sky Harbor Intl to Monrovia

Best flights from Sky Harbor Intl to Monrovia
Discover carefully curated flight deals from Sky Harbor Intl to Monrovia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This Ovago deal was found by Cheapflights users on 12/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/148:38 amPHX - ROB
3 stops29h 37mBrussels Airlines
Sat 2/2110:45 pmROB - PHX
2 stops29h 06mBrussels Airlines
Deal found 12/10$1,623
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Fri 2/138:38 amPHX - ROB
3 stops29h 37mUnited Airlines
Tue 2/1710:45 pmROB - PHX
2 stops25h 34mUnited Airlines
Deal found 12/9$1,759
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:15 pmPHX - ROB
2 stops35h 25mDelta
Thu 7/26:40 pmROB - PHX
2 stops35h 18mDelta
Deal found 12/10$1,931
This CheapOair deal was found by Cheapflights users on 12/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/144:51 pmPHX - ROB
3 stops41h 59mMultiple Airlines
Sat 2/218:00 amROB - PHX
3 stops44h 47mMultiple Airlines
Deal found 12/10$2,029

Find flight deals from Sky Harbor Intl to Monrovia

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,623
(Ovago)

Popular in

January

Cheapest in

April

Average price

$2,202
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Monrovia Roberts Intl flight deals.
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Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Monrovia Roberts Intl flights.
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From Phoenix Sky Harbor Intl to Monrovia Roberts Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($237 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($68 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl 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 December 12, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Monrovia that are best for you.

Fly from

Sky Harbor Intl

Fly to

Monrovia

Route

Depart

Return

Price

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Sat 2/14

8:38 am-9:15 pm

3 stops29h 37m

Monrovia Roberts Intl

Sat 2/21

10:45 pm-8:51 pm

2 stops29h 06m

$1,623

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Fri 2/13

8:38 am-9:15 pm

3 stops29h 37m

Monrovia Roberts Intl

Tue 2/17

10:45 pm-5:19 pm

2 stops25h 34m

$1,759

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Mon 6/1

11:15 pm-5:40 pm

2 stops35h 25m

Monrovia Roberts Intl

Thu 7/2

6:40 pm-10:58 pm

2 stops35h 18m

$1,931

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Sat 2/14

4:51 pm-5:50 pm

3 stops41h 59m

Monrovia Roberts Intl

Sat 2/21

8:00 am-9:47 pm

3 stops44h 47m

$2,029

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Wed 12/17

11:55 am-4:35 am

3 stops57h 40m

$1,703

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Wed 12/17

6:34 am-5:40 pm

2 stops28h 06m

$2,185

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Compare providers for flights from Sky Harbor Intl 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 Sky Harbor Intl to Monrovia in December.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Monrovia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Phoenix Sky Harbor Intl Airport-Monrovia flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Monrovia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Monrovia flights, Cheapflights users trust eDreams the most. eDreams 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 Phoenix Sky Harbor Intl Airport-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 Sky Harbor Intl to Monrovia

Have a flexible travel schedule? Discover the best time to fly to Monrovia from Sky Harbor Intl 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.

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 December 12, 2025.
Read reviews from past customers who have flown Brussels Airlines from Phoenix Sky Harbor Intl Airport 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.
Brussels Airlines
7.2
Good
375 reviews

Comfort

6.9

Crew

7.9

Overall

7.2

Entertainment

6.1

Food

6.2

Boarding

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Oct 2025

GVA - BRU

The flight delays in Brussels were so bad they rebooked me to Austrian Air, which was fine
Brussels Airlines
7.2
Good
375 reviews
Brussels Airlines
7.2
Good
375 reviews

Comfort

6.9

Crew

7.9

Overall

7.2

Entertainment

6.1

Food

6.2

Boarding

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Oct 2025

GVA - BRU

The flight delays in Brussels were so bad they rebooked me to Austrian Air, which was fine

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl 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 Sky Harbor Intl?

    If you book a flight to Monrovia from Phoenix Sky Harbor Intl, you will be flying to Roberts Intl, which is the city’s only airport. Monrovia Roberts Intl (ROB) is located 30.2 mi from the center of Monrovia. There are 0 flights from Phoenix Sky Harbor Intl to Roberts Intl per day from 1 airline.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to Monrovia?

    There are many flights that can get you from Phoenix Sky Harbor Intl Airport to Monrovia in 29h 37m. Fly via Brussels Airlines or United Airlines to get the fastest option. The distance from Phoenix Sky Harbor Intl Airport to Monrovia is about 6640 mi.

  • What is the cheapest airline to fly from Phoenix Sky Harbor Intl Airport to Monrovia round-trip?

    Flying on Brussels Airlines is currently your cheapest option to Monrovia, with prices starting at $1,203. Brussels Airlines is 35% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Sky Harbor Intl to Monrovia that include hotel bookings?

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

  • How can I find direct flights from Sky Harbor Intl to Monrovia?

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

  • Can I find deals for business class flights from Sky Harbor Intl to Monrovia?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl 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

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Search flights from Sky Harbor Intl to Monrovia by cabin class

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Top airline flying from Sky Harbor Intl to Monrovia

Discover the top airline that operate flights from Sky Harbor Intl 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$1,203Average$1,724FlexibilityNo cancel feeOn-timeN/A

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