Latest deals
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Phoenix Sky Harbor Intl Airport to Monrovia from $1,623

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix Sky Harbor Intl Airport to Monrovia departing on 4/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Monrovia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:18 pm - 5:50 pm
PHX
-
ROB
35h 32m
3 stops
Multiple Airlines Logo
11:05 am - 7:49 pm
ROB
-
PHX
39h 44m
3 stops
$1,623Multiple Airlines
Mon, Apr 6 - Mon, Apr 20
Multiple Airlines Logo
7:35 am - 5:50 pm
PHX
-
ROB
27h 15m
3 stops
Multiple Airlines Logo
7:30 am - 8:08 pm
ROB
-
PHX
43h 38m
3 stops
$1,706Multiple Airlines
Wed, Apr 1 - Thu, Apr 30
Multiple Airlines Logo
11:59 pm - 4:35 am
PHX
-
ROB
21h 36m
2 stops
Multiple Airlines Logo
5:45 am - 9:37 pm
ROB
-
PHX
46h 52m
2 stops
$1,756Multiple Airlines
Wed, Jun 3 - Wed, Jun 24
Multiple Airlines Logo
1:23 pm - 7:50 pm
PHX
-
ROB
47h 27m
3 stops
Multiple Airlines Logo
7:30 am - 7:39 pm
ROB
-
PHX
43h 09m
2 stops
$1,898Multiple Airlines
Wed, Apr 1 - Thu, Apr 30
Multiple Airlines Logo
7:10 am - 7:50 pm
PHX
-
ROB
53h 40m
2 stops
Multiple Airlines Logo
7:30 am - 11:10 am
ROB
-
PHX
34h 40m
2 stops
$1,905Multiple Airlines
Wed, Apr 1 - Thu, Apr 30
United Airlines Logo
4:35 pm - 7:50 pm
PHX
-
ROB
44h 15m
3 stops
United Airlines Logo
9:10 pm - 5:53 pm
ROB
-
PHX
27h 43m
2 stops
$1,992United Airlines
Fri, May 8 - Tue, Jun 2
Multiple Airlines Logo
9:20 pm - 2:45 pm
PHX
-
ROB
58h 25m
3 stops
Multiple Airlines Logo
11:05 am - 10:53 pm
ROB
-
PHX
66h 48m
3 stops
$2,003Multiple Airlines
Fri, May 8 - Tue, Jun 2
Ethiopian Air Logo
11:30 am - 2:45 pm
PHX
-
ROB
44h 15m
2 stops
Ethiopian Air Logo
11:05 am - 7:49 pm
ROB
-
PHX
39h 44m
3 stops
$2,146Ethiopian Air
Mon, Apr 6 - Mon, Apr 20
Multiple Airlines Logo
11:59 pm - 2:45 pm
PHX
-
ROB
55h 46m
3 stops
Multiple Airlines Logo
11:05 am - 8:08 pm
ROB
-
PHX
64h 03m
3 stops
$2,189Multiple Airlines
Sun, Apr 12 - Mon, May 11
Delta Logo
6:10 am - 5:50 pm
PHX
-
ROB
28h 40m
2 stops
Delta Logo
6:50 pm - 11:44 pm
ROB
-
PHX
35h 54m
2 stops
$2,288Delta
Sun, Apr 12 - Mon, May 11

Delta flights from Phoenix Sky Harbor Intl Airport to Monrovia

Our best Delta deals on Phoenix Sky Harbor Intl Airport to Monrovia flight tickets
Delta
Apr 12
PHX6:10 amPhoenix Sky Harbor Intl
28h 40m
2 stops
ROB5:50 pmMonrovia Roberts Intl
May 11
ROB6:50 pmMonrovia Roberts Intl
35h 54m
2 stops
PHX11:44 pmPhoenix Sky Harbor Intl
$2,288
Delta
Apr 6
PHX10:55 pmPhoenix Sky Harbor Intl
35h 55m
2 stops
ROB5:50 pmMonrovia Roberts Intl
Apr 20
ROB6:50 pmMonrovia Roberts Intl
35h 56m
2 stops
PHX11:46 pmPhoenix Sky Harbor Intl
$2,461
Delta
Jun 1
PHX10:45 pmPhoenix Sky Harbor Intl
36h 05m
2 stops
ROB5:50 pmMonrovia Roberts Intl
Jul 2
ROB6:50 pmMonrovia Roberts Intl
35h 08m
2 stops
PHX10:58 pmPhoenix Sky Harbor Intl
$2,466

Kenya Airways flights from Phoenix Sky Harbor Intl Airport to Monrovia

Our best Kenya Airways deals on Phoenix Sky Harbor Intl Airport to Monrovia flight tickets
Kenya Airways
Jun 1
PHX10:45 pmPhoenix Sky Harbor Intl
36h 05m
3 stops
ROB5:50 pmMonrovia Roberts Intl
Jul 2
ROB6:50 pmMonrovia Roberts Intl
55h 52m
3 stops
PHX7:42 pmPhoenix Sky Harbor Intl
$2,465
Kenya Airways
Jun 1
PHX10:45 pmPhoenix Sky Harbor Intl
36h 05m
3 stops
ROB5:50 pmMonrovia Roberts Intl
Jul 2
ROB6:50 pmMonrovia Roberts Intl
59h 08m
3 stops
PHX10:58 pmPhoenix Sky Harbor Intl
$2,518
Kenya Airways
Jun 1
PHX10:45 pmPhoenix Sky Harbor Intl
36h 05m
3 stops
ROB5:50 pmMonrovia Roberts Intl
Jul 2
ROB6:50 pmMonrovia Roberts Intl
55h 52m
3 stops
PHX7:42 pmPhoenix Sky Harbor Intl
$2,533

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix Sky Harbor Intl Airport 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, momondo users made 832,500 searches. Data last updated March 1, 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

Fly to

Route

Depart

Return

Price

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Mon 4/6

11:18 pm-5:50 pm

3 stops35h 32m

Monrovia Roberts Intl

Mon 4/20

11:05 am-7:49 pm

3 stops39h 44m

$1,623

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Wed 4/1

7:35 am-5:50 pm

3 stops27h 15m

Monrovia Roberts Intl

Thu 4/30

7:30 am-8:08 pm

3 stops43h 38m

$1,706

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Wed 6/3

11:59 pm-4:35 am

2 stops21h 36m

Monrovia Roberts Intl

Wed 6/24

5:45 am-9:37 pm

2 stops46h 52m

$1,756

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Wed 4/1

1:23 pm-7:50 pm

3 stops47h 27m

Monrovia Roberts Intl

Thu 4/30

7:30 am-7:39 pm

2 stops43h 09m

$1,898

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Wed 4/1

7:10 am-7:50 pm

2 stops53h 40m

Monrovia Roberts Intl

Thu 4/30

7:30 am-11:10 am

2 stops34h 40m

$1,905

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Fri 5/8

4:35 pm-7:50 pm

3 stops44h 15m

Monrovia Roberts Intl

Tue 6/2

9:10 pm-5:53 pm

2 stops27h 43m

$1,992

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Fri 5/8

9:20 pm-2:45 pm

3 stops58h 25m

Monrovia Roberts Intl

Tue 6/2

11:05 am-10:53 pm

3 stops66h 48m

$2,003

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Mon 4/6

11:30 am-2:45 pm

2 stops44h 15m

Monrovia Roberts Intl

Mon 4/20

11:05 am-7:49 pm

3 stops39h 44m

$2,146

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Sun 4/12

11:59 pm-2:45 pm

3 stops55h 46m

Monrovia Roberts Intl

Mon 5/11

11:05 am-8:08 pm

3 stops64h 03m

$2,189

PhoenixMonrovia

PHX - ROB

PHXROB

Phoenix Sky Harbor Intl

Sun 4/12

6:10 am-5:50 pm

2 stops28h 40m

Monrovia Roberts Intl

Mon 5/11

6:50 pm-11:44 pm

2 stops35h 54m

$2,288

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Phoenix Sky Harbor Intl Airport to Monrovia

Are you open to changing your travel dates? Check out the ideal times to fly from Phoenix Sky Harbor Intl Airport to Monrovia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Phoenix Sky Harbor Intl Airport to Monrovia (PHX to ROB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to Monrovia

Fastest flight time

23h 35m

Direct flights

None
The fastest flight from Phoenix Sky Harbor Intl Airport to Monrovia takes 23h 35m
There are no direct flights from Phoenix Sky Harbor Intl Airport to Monrovia. There are no popular flight routes from Phoenix Sky Harbor Intl Airport to Monrovia.
Search flight deals

  • How far is Phoenix Sky Harbor Intl to Monrovia Roberts Intl by plane?

    Phoenix Sky Harbor Intl and Monrovia Roberts Intl are 6613.0 mi apart from one another. In terms of flight time, this usually takes a little over 23h 35m.

  • When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Monrovia Roberts Intl Airport?

    Prices for flights from Phoenix Sky Harbor Intl Airport to Monrovia Roberts Intl Airport were last updated today.

  • How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Monrovia Roberts Intl Airport?

  • How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Monrovia Roberts Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Phoenix Sky Harbor Intl Airport to Monrovia Roberts Intl Airport.

  • What documentation or ID do you need to fly to Monrovia Roberts Intl Airport?

    The required travel and health documents for your Monrovia Roberts Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Monrovia Roberts Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Phoenix Sky Harbor Intl Airport to Monrovia?

Best airlines flying from Phoenix Sky Harbor Intl Airport to Monrovia

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Monrovia with momondo
Airline
Rating
Free Cancellation
Price
Brussels AirlinesPriceFrom $1,203Free CancellationRating
7.2
387 reviews
Search Brussels Airlines flights

  • How do I get Price Alerts for flights from Phoenix Sky Harbor Intl Airport to Monrovia?

    Search flight deals from Phoenix Sky Harbor Intl Airport to Monrovia. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Phoenix Sky Harbor Intl Airport to Monrovia with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to Monrovia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Phoenix to Monrovia for you.

Can I find flights from Phoenix to Monrovia with flexible booking policies on momondo?

All flight searches from Phoenix to Monrovia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Phoenix to Monrovia?

Once all potential Phoenix to Monrovia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Phoenix to Monrovia right now. Can momondo alert me if prices change?

Price alerts on flights to Monrovia from Phoenix are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Monrovia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 3/31
Tue 4/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Liberia

Fly your favorite airline to Monrovia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Brussels Airlines