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$1,958+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ROB
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 June 12, 2025.

Round-trip from

$1,958
(United Airlines)

Popular in

July

Cheapest in

April
From Phoenix Sky Harbor Intl to Monrovia Roberts Intl
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($645 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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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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 12/412:27 pmPHX - ROB
2 stops23h 18mUnited Airlines
Tue 1/610:35 pmROB - PHX
2 stops29h 20mUnited Airlines
Deal found 6/11$1,958
This Gurufare deal was found by Cheapflights users on 6/12. 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.
Thu 12/49:35 amPHX - ROB
2 stops26h 10mBrussels Airlines
Tue 1/610:35 pmROB - PHX
2 stops27h 20mBrussels Airlines
Deal found 6/12$2,537
This Travelocity deal was found by Cheapflights users on 6/10. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/307:40 amPHX - ROB
3 stops29h 10mMultiple Airlines
Thu 9/116:40 pmROB - PHX
3 stops56h 24mMultiple Airlines
Deal found 6/10$2,898

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 June 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

Thu 12/4

12:27 pm-6:45 pm

2 stops23h 18m

Monrovia Roberts Intl

Tue 1/6

10:35 pm-8:55 pm

2 stops29h 20m

$1,958

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Thu 12/4

9:35 am-6:45 pm

2 stops26h 10m

Monrovia Roberts Intl

Tue 1/6

10:35 pm-6:55 pm

2 stops27h 20m

$2,537

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Sat 8/30

7:40 am-7:50 pm

3 stops29h 10m

Monrovia Roberts Intl

Thu 9/11

6:40 pm-8:04 pm

3 stops56h 24m

$2,898

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 June 12, 2025.
Brussels Airlines
7.4
Good
355 reviews

Entertainment

6.3

Crew

8.0

Overall

7.4

Comfort

7.1

Boarding

7.5

Food

6.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

CLT - EWR

I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.
Brussels Airlines
7.4
Good
355 reviews
Brussels Airlines
7.4
Good
355 reviews

Entertainment

6.3

Crew

8.0

Overall

7.4

Comfort

7.1

Boarding

7.5

Food

6.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

CLT - EWR

I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.
United Airlines
7.4
Good
8,790 reviews
Brussels Airlines
7.4
Good
355 reviews

Entertainment

6.3

Crew

8.0

Overall

7.4

Comfort

7.1

Boarding

7.5

Food

6.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

CLT - EWR

I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.

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 2 different airlines.

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

    Flying on United Airlines is currently your cheapest option to Monrovia, with prices starting at $1,958. Another option worth looking into is Brussels Airlines, starting at $2,537 round trip.

  • 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.

See more FAQs

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Top 2 airlines flying from Sky Harbor Intl to Monrovia

Discover the top 2 airlines 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$1,203Average$1,695FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,665Average$1,863FlexibilityNo cancel feeOn-time69%

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