$968 Cheap Flights from Phoenix (PHX) to Monrovia (MLW)

View $968 flight on Mon, Nov 17, 2025Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Monrovia (MLW-Spriggs Payne)

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Cheap Flights from Phoenix to Monrovia (PHX-MLW)

Prices were available within the past 7 days and start at $968 for one-way flights and $1,446 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Nov 17 - Mon, Dec 1
PHX
Phoenix
ROB
Monrovia
$1,446 Roundtrip, just found
$1,446
Roundtrip
just found
Select United flight, departing Mon, Nov 17 from Phoenix to Monrovia, returning Mon, Dec 1, priced at $1,446 just found
United
Mon, Nov 17 - Mon, Dec 1
PHX
Phoenix
ROB
Monrovia
$1,453 Roundtrip, just found
$1,453
Roundtrip
just found
Select United flight, departing Mon, Nov 17 from Phoenix to Monrovia, returning Mon, Dec 1, priced at $1,453 just found
United
Mon, Nov 17 - Mon, Dec 1
PHX
Phoenix
ROB
Monrovia
$1,496 Roundtrip, just found
$1,496
Roundtrip
just found
Select United flight, departing Mon, Nov 17 from Phoenix to Monrovia, returning Mon, Dec 1, priced at $1,496 just found
United
Mon, Nov 17 - Mon, Dec 1
PHX
Phoenix
ROB
Monrovia
$1,503 Roundtrip, just found
$1,503
Roundtrip
just found
Select United flight, departing Mon, Nov 17 from Phoenix to Monrovia, returning Mon, Dec 1, priced at $1,503 just found
United
Thu, Nov 27 - Sun, Jan 11
PHX
Phoenix
ROB
Monrovia
$1,505 Roundtrip, found 1 day ago
$1,505
Roundtrip
found 1 day ago
Select United flight, departing Thu, Nov 27 from Phoenix to Monrovia, returning Sun, Jan 11, priced at $1,505 found 1 day ago
United
Mon, Aug 18 - Thu, Sep 18
PHX
Phoenix
ROB
Monrovia
$1,510 Roundtrip, found 8 hours ago
$1,510
Roundtrip
found 8 hours ago
Select United flight, departing Mon, Aug 18 from Phoenix to Monrovia, returning Thu, Sep 18, priced at $1,510 found 8 hours ago
Air Canada
Mon, Nov 24 - Tue, Jan 13
PHX
Phoenix
ROB
Monrovia
$1,543 Roundtrip, found 1 day ago
$1,543
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Nov 24 from Phoenix to Monrovia, returning Tue, Jan 13, priced at $1,543 found 1 day ago
Brussels Airlines
Mon, Sep 15 - Fri, Nov 14
PHX
Phoenix
ROB
Monrovia
$1,562 Roundtrip, found 1 day ago
$1,562
Roundtrip
found 1 day ago
Select Brussels Airlines flight, departing Mon, Sep 15 from Phoenix to Monrovia, returning Fri, Nov 14, priced at $1,562 found 1 day ago
American Airlines
Tue, Dec 23 - Fri, Jan 16
PHX
Phoenix
ROB
Monrovia
$1,978 Roundtrip, found 12 hours ago
$1,978
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Tue, Dec 23 from Phoenix to Monrovia, returning Fri, Jan 16, priced at $1,978 found 12 hours ago
Royal Air Maroc
Wed, Jul 16 - Fri, Jul 25
PHX
Phoenix
ROB
Monrovia
$2,033 Roundtrip, found 19 hours ago
$2,033
Roundtrip
found 19 hours ago
Select Royal Air Maroc flight, departing Wed, Jul 16 from Phoenix to Monrovia, returning Fri, Jul 25, priced at $2,033 found 19 hours ago

Alternative airports near Monrovia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Roberts Intl. ROB. Cheapest option available. Average driving time to city center is 49 minutes. Flights from $1,747
ROB
Roberts Intl.
Cheapest
Average driving time to city center49 min
Flights from $1,747
Flights from Phoenix (PHX) to Monrovia (ROB)
Origin airport
Sky Harbor Intl.
Destination airport
Roberts Intl.
Roundtrip price
$1,445
Distance
6645 mi

Phoenix to Monrovia Flights

The cheapest times to fly from Phoenix to Monrovia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phoenix to Monrovia are during the month of November. You can find some of the cheapest flights from Phoenix to Monrovia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Monrovia

Sunday is one of the best days to book for cheap flights from Phoenix to Monrovia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Phoenix to Monrovia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phoenix to Monrovia in 2025. You can also book with separate airlines for your outbound and return journeys, from $968 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phoenix to Monrovia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phoenix to Monrovia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Spriggs Payne Airport (MLW) cost?
Discover the latest flight deals from PHX to MLW by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PHX to MLW?
The cheapest flights from PHX to MLW are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PHX to MLW?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PHX to MLW. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Spriggs Payne Airport (MLW)?
Nonstop flights from Sky Harbor Intl. Airport (PHX) to Spriggs Payne Airport (MLW) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PHX to MLW?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can vary depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Spriggs Payne Airport (MLW)?
To touch down at Spriggs Payne Airport (MLW) without delays, pick a flight that leaves Sky Harbor Intl. Airport (PHX) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to Spriggs Payne Airport (MLW) last-minute?
Last-minute bookings from PHX to MLW are generally more expensive. To lock in the lowest rates, start looking for flights well in advance. That said, if you're flexible with your travel dates, it's possible to find a cheap ticket right before you leave.
Is it cheaper to book a PHX to MLW flight and hotel package?
Securing a PHX to MLW flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our impressive range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Spriggs Payne Airport (MLW)?
You can usually reschedule or cancel your PHX to MLW flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.