HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Monrovia

$838+ Cheap flights from Houston to Monrovia (ROB)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — ROB
ago. 25 — sep. 11
lun. 8/25
lun. 9/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Houston 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 Houston to Monrovia

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) 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 agosto 20, 2025.

Round-trip from

$1,681
(Ovago)

One-way from

$838
(Kiwi.com)
From Houston to Monrovia Roberts Intl
Search Deals
One-way flight from Houston to Monrovia Roberts Intl
Search Deals

Find flight deals from Houston to Monrovia

Cheapest flights from Houston to Monrovia
Explore the most affordable flight options available from Houston to Monrovia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 20, 2025.

This Ovago deal was found by Cheapflights users on 8/18. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/18:15 pmIAH - ROB
3 stops42h 35mBrussels Airlines
vie. 11/148:05 pmROB - IAH
3 stops28h 38mBrussels Airlines
Deal found 8/18$1,681
This Ovago deal was found by Cheapflights users on 8/18. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/188:15 pmIAH - ROB
3 stops66h 35mBrussels Airlines
vie. 10/39:10 pmROB - IAH
2 stops30h 04mBrussels Airlines
Deal found 8/18$1,691
This oojo deal was found by Cheapflights users on 8/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/176:25 pmIAH - ROB
3 stops42h 25mMultiple Airlines
mié. 9/247:30 amROB - IAH
3 stops37h 20mMultiple Airlines
Deal found 8/18$1,729
This Ovago deal was found by Cheapflights users on 8/18. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/38:15 pmIAH - ROB
3 stops42h 35mBrussels Airlines
vie. 10/109:10 pmROB - IAH
2 stops28h 04mBrussels Airlines
Deal found 8/18$1,755
This oojo deal was found by Cheapflights users on 8/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/36:25 pmIAH - ROB
2 stops42h 25mMultiple Airlines
vie. 10/107:30 amROB - IAH
2 stops37h 20mMultiple Airlines
Deal found 8/18$1,771
This American Airlines deal was found by Cheapflights users on 8/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/16:11 pmIAH - ROB
2 stops76h 59mAmerican Airlines
vie. 11/146:35 amROB - IAH
2 stops23h 55mAmerican Airlines
Deal found 8/18$1,872
This United Airlines deal was found by Cheapflights users on 8/19. 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.
vie. 12/511:55 amIAH - ROB
3 stops27h 20mUnited Airlines
mar. 1/610:45 pmROB - IAH
2 stops25h 59mUnited Airlines
Deal found 8/19$2,009
This Expedia deal was found by Cheapflights users on 8/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/186:25 pmIAH - ROB
2 stops52h 45mMultiple Airlines
vie. 10/37:30 amROB - IAH
2 stops37h 20mMultiple Airlines
Deal found 8/18$2,017
This Expedia deal was found by Cheapflights users on 8/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/66:25 pmIAH - ROB
3 stops66h 15mMultiple Airlines
jue. 10/166:40 pmROB - IAH
3 stops50h 10mMultiple Airlines
Deal found 8/19$2,022
This Brussels Airlines deal was found by Cheapflights users on 8/18. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/412:00 pmIAH - ROB
3 stops26h 50mBrussels Airlines
mié. 10/89:10 pmROB - IAH
2 stops30h 04mBrussels Airlines
Deal found 8/18$2,056

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston 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 agosto 20, 2025.
Use the filters below to find and compare flights from Houston to Monrovia that are best for you.

Fly from

Houston

Fly to

Monrovia

Route

Depart

Return

Price

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

mié. 10/1

8:15 pm-7:50 pm

3 stops42h 35m

Monrovia Roberts Intl

vie. 11/14

8:05 pm-6:43 pm

3 stops28h 38m

$1,681

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

jue. 9/18

8:15 pm-7:50 pm

3 stops66h 35m

Monrovia Roberts Intl

vie. 10/3

9:10 pm-10:14 pm

2 stops30h 04m

$1,691

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

mié. 9/17

6:25 pm-5:50 pm

3 stops42h 25m

Monrovia Roberts Intl

mié. 9/24

7:30 am-3:50 pm

3 stops37h 20m

$1,729

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

mié. 10/1

6:25 pm-5:50 pm

3 stops42h 25m

Monrovia Roberts Intl

vie. 11/14

7:30 am-3:20 pm

2 stops37h 50m

$1,729

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

vie. 10/3

8:15 pm-7:50 pm

3 stops42h 35m

Monrovia Roberts Intl

vie. 10/10

9:10 pm-8:14 pm

2 stops28h 04m

$1,755

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

vie. 10/3

6:25 pm-5:50 pm

2 stops42h 25m

Monrovia Roberts Intl

vie. 10/10

7:30 am-3:50 pm

2 stops37h 20m

$1,771

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

mié. 10/1

6:11 pm-4:10 am

2 stops76h 59m

Monrovia Roberts Intl

vie. 11/14

6:35 am-12:30 am

2 stops23h 55m

$1,872

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

vie. 12/5

11:55 am-9:15 pm

3 stops27h 20m

Monrovia Roberts Intl

mar. 1/6

10:45 pm-6:44 pm

2 stops25h 59m

$2,009

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

jue. 9/18

6:25 pm-4:10 am

2 stops52h 45m

Monrovia Roberts Intl

vie. 10/3

7:30 am-3:50 pm

2 stops37h 20m

$2,017

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

jue. 10/30

7:52 pm-3:50 am

3 stops50h 58m

$838

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 11 results
1
2

Best time to book a flight from Houston to Monrovia

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

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

Find hourly flight availability from Houston 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 agosto 20, 2025.

When flying from Houston 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 agosto 20, 2025.
Get a feel of what it's like to fly with United Airlines and Brussels Airlines from Houston to Monrovia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,928 reviews

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

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
8,928 reviews
United Airlines
7.4
Good
8,928 reviews

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

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
8,928 reviews

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

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

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

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

  • How long is the flight from Houston to Monrovia?

    There are many flights that can get you from Houston to Monrovia in 42h 35m. Fly via Brussels Airlines to get the fastest option. There are 5700 mi between Houston and Monrovia.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Houston to Monrovia (average of $1,197). Flying from Houston to Monrovia in May is currently the most expensive (average of $1,847). 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 Houston to Monrovia

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Monrovia flights
Dallas/Fort Worth to Monrovia flights
Austin to Monrovia flights

Top 2 airlines flying from Houston to Monrovia

Discover the top 2 airlines that operate flights from Houston 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 agosto 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$1,685Average$1,868FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,734Average$1,877FlexibilityNo cancel feeOn-time69%

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.