What are the cheapest airlines flying 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 $1,622. Another option worth looking into is United Airlines, starting at $2,674 round trip. Brussels Airlines is 15% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Monrovia?

Currently, September is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Monrovia (average of $1,197). Flying from Phoenix Sky Harbor Intl Airport to Monrovia in May is currently the most expensive (average of $1,858). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Monrovia?

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Monrovia flight should consider departing on Wednesday mornings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Flights from Phoenix Sky Harbor Intl Airport to Monrovia are found to be more expensive on Monday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Monrovia.

What is the cheapest month to fly from Phoenix Sky Harbor Intl Airport to Monrovia?

April can be a great time to fly to Monrovia from Phoenix Sky Harbor Intl Airport with a flight ticket averaging about $1,926. Cheapflights users have found deals in the month of April for as cheap as $1,203. The most expensive prices can be found in the month of July.

What is the cheapest time of day to fly from PHX to ROB?

A simple way to save on the total cost of your ticket is to fly from Phoenix Sky Harbor Intl Airport to Monrovia in the morning. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight at noon.

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.

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.

$1,622+ Flights from Phoenix Sky Harbor Intl Airport to Monrovia

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Cheap flight deals from Sky Harbor Intl to Monrovia

Round-trip from	$1,622 (Ovago)
Popular in	July
Cheapest in	April
Average price	$2,570

From Phoenix Sky Harbor Intl to Monrovia Roberts Intl

Search Deals

Highest demand for flights based on searches. 25% potential increase in price ($644 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($72 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find 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 July 29, 2025.

Sat 10/410:50 amPHX - ROB

2 stops26h 00mBrussels Airlines

Tue 10/219:10 pmROB - PHX

2 stops27h 29mBrussels Airlines

Deal found 7/28

$1,622

Sat 10/47:30 amPHX - ROB

3 stops29h 20mMultiple Airlines

Tue 10/219:10 pmROB - PHX

3 stops31h 50mMultiple Airlines

Deal found 7/28

$1,725

Thu 12/48:30 amPHX - ROB

3 stops27h 15mUnited Airlines

Tue 1/610:35 pmROB - PHX

2 stops29h 20mUnited Airlines

Deal found 7/29

$2,674

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 July 29, 2025.

Sat 10/410:50 amPHX - ROB

2 stops26h 00mBrussels Airlines

Tue 10/219:10 pmROB - PHX

2 stops27h 29mBrussels Airlines

Deal found 7/28

$1,622

Sat 10/47:30 amPHX - ROB

3 stops29h 20mMultiple Airlines

Tue 10/219:10 pmROB - PHX

3 stops31h 50mMultiple Airlines

Deal found 7/28

$1,725

Thu 12/48:30 amPHX - ROB

3 stops27h 15mUnited Airlines

Tue 1/610:35 pmROB - PHX

2 stops29h 20mUnited Airlines

Deal found 7/29

$2,674

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Monrovia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Sat 10/4

10:50 am-7:50 pm

2 stops26h 00m

Monrovia Roberts Intl

Tue 10/21

9:10 pm-5:39 pm

2 stops27h 29m

$1,622

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Sat 10/4

7:30 am-7:50 pm

3 stops29h 20m

Monrovia Roberts Intl

Tue 10/21

9:10 pm-10:00 pm

3 stops31h 50m

$1,725

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Thu 12/4

8:30 am-6:45 pm

3 stops27h 15m

Monrovia Roberts Intl

Tue 1/6

10:35 pm-8:55 pm

2 stops29h 20m

$2,674

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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

Read reviews from past customers who have flown United Airlines and 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.

United Airlines

7.4

Good

8,896 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,896 reviews

United Airlines

7.4

Good

8,896 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Brussels Airlines

7.3

Good

350 reviews

United Airlines

7.4

Good

8,896 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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.
What are the cheapest airlines flying 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 $1,622. Another option worth looking into is United Airlines, starting at $2,674 round trip. Brussels Airlines is 15% 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.
What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Monrovia?
Currently, September is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Monrovia (average of $1,197). Flying from Phoenix Sky Harbor Intl Airport to Monrovia in May is currently the most expensive (average of $1,858). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top airline flying from Sky Harbor Intl to Monrovia

Airline	Cheapest	Average	Flexibility	On-time
Brussels Airlines	Cheapest$1,203	Average$1,723	FlexibilityNo cancel fee	On-timeN/A

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$1,622+ 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sky Harbor Intl to Monrovia with Cheapflights

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3. Compare prices and book

Cheap flight deals from Sky Harbor Intl to Monrovia

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Find flight deals from Sky Harbor Intl to Monrovia

Cheapest flights from Sky Harbor Intl to MonroviaExplore 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 July 29, 2025.

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 July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Monrovia that are best for you.

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.

Reviews of airlines servicing Monrovia

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?

What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to Monrovia round-trip?

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

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

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

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Monrovia?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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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 July 29, 2025.