HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Monrovia

$1,893+ Cheap flights from Houston 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — ROB
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$1,893
(United Airlines)
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 September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 11/266:36 pmIAH - ROB
2 stops42h 09mUnited Airlines
Wed 12/1710:45 pmROB - IAH
2 stops27h 26mUnited Airlines
Deal found 9/15$1,893
This oojo deal was found by Cheapflights users on 9/15. 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.
Wed 11/265:45 pmIAH - ROB
3 stops42h 05mMultiple Airlines
Wed 12/177:30 amROB - IAH
3 stops37h 45mMultiple Airlines
Deal found 9/15$1,897
This Brussels Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/411:56 amIAH - ROB
3 stops26h 54mBrussels Airlines
Wed 10/89:10 pmROB - IAH
2 stops30h 04mBrussels Airlines
Deal found 9/14$2,056
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 10/411:56 amIAH - ROB
3 stops26h 54mUnited Airlines
Wed 10/89:10 pmROB - IAH
2 stops28h 04mUnited Airlines
Deal found 9/15$2,059
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/412:39 pmIAH - ROB
2 stops48h 01mDelta
Wed 10/86:40 pmROB - IAH
2 stops45h 49mDelta
Deal found 9/16$2,164
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/316:36 pmIAH - ROB
3 stops45h 39mUnited Airlines
Fri 11/78:05 pmROB - IAH
3 stops30h 14mUnited Airlines
Deal found 9/15$2,491
This FlightHub deal was found by Cheapflights users on 9/17. 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 11/229:05 pmIAH - ROB
2 stops38h 55mMultiple Airlines
Mon 12/157:00 pmROB - IAH
2 stops48h 10mMultiple Airlines
Deal found 9/17$2,563

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 September 17, 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

Wed 11/26

6:36 pm-6:45 pm

2 stops42h 09m

Monrovia Roberts Intl

Wed 12/17

10:45 pm-8:11 pm

2 stops27h 26m

$1,893

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

Wed 11/26

5:45 pm-5:50 pm

3 stops42h 05m

Monrovia Roberts Intl

Wed 12/17

7:30 am-3:15 pm

3 stops37h 45m

$1,897

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

Sat 10/4

11:56 am-7:50 pm

3 stops26h 54m

Monrovia Roberts Intl

Wed 10/8

9:10 pm-10:14 pm

2 stops30h 04m

$2,056

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

Sat 10/4

11:56 am-7:50 pm

3 stops26h 54m

Monrovia Roberts Intl

Wed 10/8

9:10 pm-8:14 pm

2 stops28h 04m

$2,059

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

Sat 10/4

12:39 pm-5:40 pm

2 stops48h 01m

Monrovia Roberts Intl

Wed 10/8

6:40 pm-11:29 am

2 stops45h 49m

$2,164

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

Fri 10/31

6:36 pm-9:15 pm

3 stops45h 39m

Monrovia Roberts Intl

Fri 11/7

8:05 pm-8:19 pm

3 stops30h 14m

$2,491

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

Sat 11/22

9:05 pm-6:00 pm

2 stops38h 55m

Monrovia Roberts Intl

Mon 12/15

7:00 pm-1:10 pm

2 stops48h 10m

$2,563

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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 September 17, 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 September 17, 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
8,926 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
Brussels Airlines
7.3
Good
359 reviews
United Airlines
7.4
Good
8,926 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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 26h 54m. Fly via United Airlines or Brussels Airlines to get the fastest option. There are 5700 mi between Houston and Monrovia. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $1,845). 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.
Austin to Monrovia flights
Dallas/Fort Worth to Monrovia flights
Hobby 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$1,685Average$1,868FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,742Average$1,816FlexibilityNo 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.