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Monrovia

$806+ Cheap flights from Sky Harbor Intl (PHX) 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ROB
Mar 8 — Mar 151
Sun 3/8
Sun 3/15
1 adult, Economy
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Cheap flight deals from Sky Harbor Intl to Monrovia

Cheapest flights from Sky Harbor Intl to Monrovia
Explore the most affordable flight options available from Sky Harbor Intl to Monrovia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 6, 2026.

This Gurufare deal was found by Cheapflights users on 2/3. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:40 pm
PHX
-
ROB
2 stops36h 05m
Brussels Airlines
Wed 4/19:10 pm
ROB
-
PHX
2 stops45h 10m
Brussels Airlines
Deal found 2/3$1,640
This Ovago deal was found by Cheapflights users on 2/4. 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.
Fri 5/89:20 pm
PHX
-
ROB
2 stops24h 15m
Multiple Airlines
Wed 6/35:45 am
ROB
-
PHX
2 stops47h 50m
Multiple Airlines
Deal found 2/4$1,651
This Ovago deal was found by Cheapflights users on 2/3. 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 2/1412:35 pm
PHX
-
ROB
3 stops25h 40m
Brussels Airlines
Sat 2/2110:45 pm
ROB
-
PHX
2 stops27h 33m
Brussels Airlines
Deal found 2/3$1,718
This United Airlines deal was found by Cheapflights users on 2/4. 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 2/258:28 pm
PHX
-
ROB
3 stops39h 17m
United Airlines
Tue 3/319:10 pm
ROB
-
PHX
2 stops43h 12m
United Airlines
Deal found 2/4$1,721
This United Airlines deal was found by Cheapflights users on 2/5. 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 9/911:59 pm
PHX
-
ROB
3 stops36h 51m
United Airlines
Sun 9/139:10 pm
ROB
-
PHX
2 stops31h 34m
United Airlines
Deal found 2/5$1,760
This BusinessClass deal was found by Cheapflights users on 2/4. 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.
Fri 2/2012:35 pm
PHX
-
ROB
3 stops25h 40m
Brussels Airlines
Wed 4/19:10 pm
ROB
-
PHX
2 stops29h 39m
Brussels Airlines
Deal found 2/4$1,809

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 February 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,640
(Gurufare)

One-way from

$806
(Trip.com)

Popular in

January

Cheapest in

April

Average price

$1,682
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
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One-way flight from Phoenix Sky Harbor Intl to Monrovia Roberts Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($249 potential increase over avg. RT price).
Search Deals
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 February 2026
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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 February 6, 2026.
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

Wed 3/18

11:40 pm-6:45 pm

2 stops36h 05m

Monrovia Roberts Intl

Wed 4/1

9:10 pm-11:20 am

2 stops45h 10m

$1,640

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Sat 2/14

12:35 pm-9:15 pm

3 stops25h 40m

Monrovia Roberts Intl

Sat 2/21

10:45 pm-7:18 pm

2 stops27h 33m

$1,718

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Wed 2/25

8:28 pm-6:45 pm

3 stops39h 17m

Monrovia Roberts Intl

Tue 3/31

9:10 pm-9:22 am

2 stops43h 12m

$1,721

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Fri 2/20

12:35 pm-9:15 pm

3 stops25h 40m

Monrovia Roberts Intl

Wed 4/1

9:10 pm-7:49 pm

2 stops29h 39m

$1,809

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Wed 3/18

5:13 pm-2:05 am

3 stops25h 52m

Monrovia Roberts Intl

Wed 4/1

5:45 am-7:00 pm

2 stops44h 15m

$1,834

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Mon 4/6

10:00 am-2:45 pm

3 stops45h 45m

Monrovia Roberts Intl

Mon 4/27

11:05 am-10:30 am

3 stops54h 25m

$1,844

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Sun 3/1

11:59 pm-2:05 am

2 stops43h 06m

$874

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Sun 3/15

11:40 pm-9:15 pm

3 stops38h 35m

$902

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Sun 3/15

11:40 pm-5:50 pm

2 stops35h 10m

$989

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

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 February.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Monrovia flight deals on Cheapflights vs. FlightHub >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 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 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 February 6, 2026.
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
384 reviews

Overall

7.2

Comfort

6.9

Food

6.3

Crew

7.9

Entertainment

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
384 reviews
Brussels Airlines
7.2
Good
384 reviews

Overall

7.2

Comfort

6.9

Food

6.3

Crew

7.9

Entertainment

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 36h 05m. 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. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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

Find flights from Sky Harbor Intl to Monrovia, based on your preferred cabin class, be it economy, premium economy, business, or first 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 February 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$1,203Average$1,646FlexibilityNo cancel feeOn-timeN/A

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