Monrovia

$1,626+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ROB
Feb 25 — Mar 41
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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 January 26, 2026.

This KAYAK deal was found by Cheapflights users on 1/24. 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 2/108:30 am
PHX
-
ROB
3 stops29h 45m
Brussels Airlines
Tue 3/1010:45 pm
ROB
-
PHX
2 stops28h 02m
Brussels Airlines
Deal found 1/24$1,626
This Gurufare deal was found by Cheapflights users on 1/26. 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 Gurufare 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 stops29h 06m
Brussels Airlines
Deal found 1/26$1,630
This CheapOair deal was found by Cheapflights users on 1/24. 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.
Wed 2/1111:58 pm
PHX
-
ROB
3 stops55h 47m
Multiple Airlines
Fri 4/107:30 am
ROB
-
PHX
3 stops44h 18m
Multiple Airlines
Deal found 1/24$1,645
This Trip.com deal was found by Cheapflights users on 1/25. 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.
Tue 2/1011:59 pm
PHX
-
ROB
2 stops43h 06m
Multiple Airlines
Fri 4/105:45 am
ROB
-
PHX
2 stops46h 03m
Multiple Airlines
Deal found 1/25$1,646
This FlightHub deal was found by Cheapflights users on 1/25. 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 2/1811:59 pm
PHX
-
ROB
3 stops55h 46m
Multiple Airlines
Thu 4/211:05 am
ROB
-
PHX
3 stops42h 00m
Multiple Airlines
Deal found 1/25$1,652
This FlightHub deal was found by Cheapflights users on 1/25. 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.
Thu 2/1911:59 pm
PHX
-
ROB
2 stops43h 06m
Multiple Airlines
Fri 4/35:45 am
ROB
-
PHX
2 stops46h 03m
Multiple Airlines
Deal found 1/25$1,708
This United Airlines deal was found by Cheapflights users on 1/24. 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.
Mon 2/98:30 am
PHX
-
ROB
3 stops29h 45m
United Airlines
Fri 4/109:10 pm
ROB
-
PHX
2 stops32h 05m
United Airlines
Deal found 1/24$1,710
This United Airlines deal was found by Cheapflights users on 1/24. 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 2/111:57 pm
PHX
-
ROB
2 stops45h 48m
United Airlines
Fri 4/109:10 pm
ROB
-
PHX
2 stops32h 05m
United Airlines
Deal found 1/24$1,721
This United Airlines deal was found by Cheapflights users on 1/25. 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 2/253:55 pm
PHX
-
ROB
2 stops43h 50m
United Airlines
Tue 3/319:10 pm
ROB
-
PHX
2 stops43h 12m
United Airlines
Deal found 1/25$1,731
This CheapOair deal was found by Cheapflights users on 1/24. 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.
Tue 2/1011:40 am
PHX
-
ROB
3 stops23h 10m
Multiple Airlines
Tue 3/1011:05 am
ROB
-
PHX
3 stops64h 35m
Multiple Airlines
Deal found 1/24$1,756

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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,626
(KAYAK)

Popular in

January

Cheapest in

April

Average price

$2,474
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Monrovia Roberts Intl flight deals.
Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Monrovia Roberts Intl flights.
From Phoenix Sky Harbor Intl to Monrovia Roberts Intl
Highest demand for flights based on searches. 11% potential increase in price ($241 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($68 potential savings vs. average RT price).
Average for round-trip flights in January 2026

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 January 26, 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

Sat 2/14

12:35 pm-9:15 pm

3 stops25h 40m

Monrovia Roberts Intl

Sat 2/21

10:45 pm-8:51 pm

2 stops29h 06m

$1,626

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Wed 2/11

11:58 pm-2:45 pm

3 stops55h 47m

Monrovia Roberts Intl

Fri 4/10

7:30 am-8:48 pm

3 stops44h 18m

$1,645

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Tue 2/10

11:59 pm-2:05 am

2 stops43h 06m

Monrovia Roberts Intl

Fri 4/10

5:45 am-8:48 pm

2 stops46h 03m

$1,646

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Wed 2/18

11:59 pm-2:45 pm

3 stops55h 46m

Monrovia Roberts Intl

Thu 4/2

11:05 am-10:05 pm

3 stops42h 00m

$1,652

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Thu 2/19

11:59 pm-2:05 am

2 stops43h 06m

Monrovia Roberts Intl

Fri 4/3

5:45 am-8:48 pm

2 stops46h 03m

$1,708

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

Wed 2/11

1:57 pm-6:45 pm

2 stops45h 48m

Monrovia Roberts Intl

Fri 4/10

9:10 pm-10:15 pm

2 stops32h 05m

$1,721

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Tue 2/10

11:40 am-5:50 pm

3 stops23h 10m

Monrovia Roberts Intl

Tue 3/10

11:05 am-8:40 pm

3 stops64h 35m

$1,756

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

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 January.
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 January 26, 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.

Food

6.3

Entertainment

6.2

Overall

7.2

Crew

7.9

Boarding

7.3

Comfort

6.9

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

Food

6.3

Entertainment

6.2

Overall

7.2

Crew

7.9

Boarding

7.3

Comfort

6.9

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 25h 40m. Fly via Brussels 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

Find flights from Sky Harbor Intl to Monrovia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$1,203Average$1,646FlexibilityNo cancel feeOn-timeN/A

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