HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Monrovia

$1,286+ Cheap flights from Riverside, CA 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ROB
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Riverside to Monrovia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Riverside to Monrovia

Keep the following information in mind while searching for Riverside to Monrovia flight deals. Data was last updated April 25, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,286
(Ethiopian Air)

Popular in

December

Cheapest in

March

Average price

$1,879
Provider with most accurate pricing for Los Angeles-Monrovia Roberts Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Monrovia Roberts Intl flights.
Search Deals
From Riverside to Monrovia Roberts Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($175 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($81 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Riverside to Monrovia

Cheapest flights from Riverside to Monrovia
Explore the most affordable flight options available from Riverside to Monrovia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

This Ethiopian Air deal was found by Cheapflights users on 4/24. 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1811:00 pmLAX - ROB
2 stops32h 45mEthiopian Air
Mon 9/2911:05 amROB - LAX
3 stops35h 10mEthiopian Air
Deal found 4/24$1,286
This FlightHub deal was found by Cheapflights users on 4/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2010:52 amLAX - ROB
3 stops25h 58mBrussels Airlines
Fri 9/269:10 pmROB - LAX
2 stops25h 05mBrussels Airlines
Deal found 4/24$1,660
This FlightHub deal was found by Cheapflights users on 4/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1910:30 pmLAX - ROB
3 stops38h 20mMultiple Airlines
Fri 9/269:10 pmROB - LAX
2 stops30h 43mMultiple Airlines
Deal found 4/24$1,700
This United Airlines deal was found by Cheapflights users on 4/24. 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 9/1711:59 pmLAX - ROB
3 stops36h 51mUnited Airlines
Sun 9/289:10 pmROB - LAX
2 stops28h 31mUnited Airlines
Deal found 4/24$1,708
This SWISS deal was found by Cheapflights users on 4/24. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/217:35 pmLAX - ROB
3 stops41h 15mSWISS
Fri 9/269:10 pmROB - LAX
2 stops50h 20mSWISS
Deal found 4/24$1,733
This KAYAK deal was found by Cheapflights users on 4/24. 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.
Wed 5/219:30 pmLAX - ROB
2 stops24h 05mBritish Airways
Fri 5/305:45 amROB - LAX
2 stops41h 20mBritish Airways
Deal found 4/24$1,912
This FlightHub deal was found by Cheapflights users on 4/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1910:29 pmLAX - ROB
2 stops23h 06mRoyal Air Maroc
Fri 9/265:45 amROB - LAX
2 stops25h 17mRoyal Air Maroc
Deal found 4/24$2,014

Cheapflights Fare Finder

Customize your flight search to find flights from Riverside 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 April 25, 2025.
Use the filters below to find and compare flights from Riverside to Monrovia that are best for you.

Fly from

Riverside

Fly to

Monrovia

Route

Depart

Return

Price

Los AngelesMonrovia

LAX - ROB

LAXROB

Los Angeles

Thu 9/18

11:00 pm-2:45 pm

2 stops32h 45m

Monrovia Roberts Intl

Mon 9/29

11:05 am-3:15 pm

3 stops35h 10m

$1,286

Los AngelesMonrovia

LAX - ROB

LAXROB

Los Angeles

Sat 9/20

10:52 am-7:50 pm

3 stops25h 58m

Monrovia Roberts Intl

Fri 9/26

9:10 pm-3:15 pm

2 stops25h 05m

$1,660

Los AngelesMonrovia

LAX - ROB

LAXROB

Los Angeles

Fri 9/19

10:30 pm-7:50 pm

3 stops38h 20m

Monrovia Roberts Intl

Fri 9/26

9:10 pm-8:53 pm

2 stops30h 43m

$1,700

Los AngelesMonrovia

LAX - ROB

LAXROB

Los Angeles

Wed 9/17

11:59 pm-7:50 pm

3 stops36h 51m

Monrovia Roberts Intl

Sun 9/28

9:10 pm-6:41 pm

2 stops28h 31m

$1,708

Los AngelesMonrovia

LAX - ROB

LAXROB

Los Angeles

Sun 9/21

7:35 pm-7:50 pm

3 stops41h 15m

Monrovia Roberts Intl

Fri 9/26

9:10 pm-4:30 pm

2 stops50h 20m

$1,733

Los AngelesMonrovia

LAX - ROB

LAXROB

Los Angeles

Wed 5/21

9:30 pm-4:35 am

2 stops24h 05m

Monrovia Roberts Intl

Fri 5/30

5:45 am-4:05 pm

2 stops41h 20m

$1,912

Los AngelesMonrovia

LAX - ROB

LAXROB

Los Angeles

Fri 9/19

10:29 pm-4:35 am

2 stops23h 06m

Monrovia Roberts Intl

Fri 9/26

5:45 am-12:02 am

2 stops25h 17m

$2,014

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Best time to book a flight from Riverside to Monrovia

Have a flexible travel schedule? Discover the best time to fly to Monrovia from Riverside 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.

Cheapflights Insights

Everything you need to know about your flight from Riverside to Monrovia

What is the cheapest time of day to fly from R1V to ROB?

Find hourly flight availability from Riverside to Monrovia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 25, 2025.

When flying from Riverside to Monrovia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 April 25, 2025.
SWISS
7.5
Good
1,582 reviews

Food

7.0

Boarding

7.6

Entertainment

6.7

Comfort

7.4

Crew

8.2

Overall

7.5

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
SWISS
7.5
Good
1,582 reviews
SWISS
7.5
Good
1,582 reviews

Food

7.0

Boarding

7.6

Entertainment

6.7

Comfort

7.4

Crew

8.2

Overall

7.5

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
United Airlines
7.4
Good
8,685 reviews
SWISS
7.5
Good
1,582 reviews

Food

7.0

Boarding

7.6

Entertainment

6.7

Comfort

7.4

Crew

8.2

Overall

7.5

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Brussels Airlines
7.4
Good
345 reviews
SWISS
7.5
Good
1,582 reviews

Food

7.0

Boarding

7.6

Entertainment

6.7

Comfort

7.4

Crew

8.2

Overall

7.5

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Ethiopian Air
7.2
Good
769 reviews
SWISS
7.5
Good
1,582 reviews

Food

7.0

Boarding

7.6

Entertainment

6.7

Comfort

7.4

Crew

8.2

Overall

7.5

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
British Airways
6.6
Okay
6,815 reviews
SWISS
7.5
Good
1,582 reviews

Food

7.0

Boarding

7.6

Entertainment

6.7

Comfort

7.4

Crew

8.2

Overall

7.5

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Related info for your journey

Find useful and relevant information for your journey from Riverside 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 Riverside?

    Located just 30.2 mi from the city center, Monrovia Roberts Intl is the airport most travelers will use when flying to Monrovia from Riverside. Booking flights from Riverside to Roberts Intl (ROB) should be relatively easy as there are 0 daily inbound flights from Riverside from 2 different airlines.

  • Can I find deals for flights from Riverside to Monrovia that include hotel bookings?

    Yes. In addition to deals on Riverside to Monrovia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Riverside to Monrovia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Riverside to Monrovia.

  • Can I find deals for business class flights from Riverside to Monrovia?

    Yes. Cheapflights offers flight deals from Riverside 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 Riverside to Monrovia?

    Currently, September is the cheapest month in which you can book a flight from Riverside to Monrovia (average of $1,197). Flying from Riverside to Monrovia in May is currently the most expensive (average of $1,864). 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

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.

Alternative routes for Riverside to Monrovia

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Monrovia flights
Los Angeles to Monrovia flights
Santa Ana to Monrovia flights
Sacramento to Monrovia flights
San Diego to Monrovia flights

Top 2 airlines flying from Riverside to Monrovia

Discover the top 2 airlines that operate flights from Riverside 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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Ethiopian AirCheapest$1,460Average$1,530FlexibilityNo cancel feeOn-time72%
Brussels AirlinesCheapest$1,601Average$1,718FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.