HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Monrovia

$1,259+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — ROB
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
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

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 January 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/20. 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.
Mon 3/167:35 am
IAH
-
ROB
3 stops32h 40m
United Airlines
Sun 3/2210:45 pm
ROB
-
IAH
3 stops30h 24m
United Airlines
Deal found 1/20$1,259
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Sun 3/156:10 pm
IAH
-
ROB
3 stops46h 05m
United Airlines
Sun 3/2210:45 pm
ROB
-
IAH
3 stops30h 24m
United Airlines
Deal found 1/20$1,266
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Thu 3/197:25 am
IAH
-
ROB
2 stops30h 20m
United Airlines
Sun 3/2210:45 pm
ROB
-
IAH
3 stops30h 24m
United Airlines
Deal found 1/20$1,309
This United Airlines deal was found by Cheapflights users on 1/20. 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 10/288:06 pm
IAH
-
ROB
2 stops41h 39m
United Airlines
Sun 11/110:45 pm
ROB
-
IAH
2 stops31h 41m
United Airlines
Deal found 1/20$1,315
This United Airlines deal was found by Cheapflights users on 1/20. 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 3/1812:30 pm
IAH
-
ROB
3 stops49h 15m
United Airlines
Sun 3/2210:45 pm
ROB
-
IAH
3 stops30h 24m
United Airlines
Deal found 1/20$1,324
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Mon 3/167:35 am
IAH
-
ROB
3 stops32h 40m
United Airlines
Tue 3/2410:45 pm
ROB
-
IAH
3 stops30h 24m
United Airlines
Deal found 1/20$1,485
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Sun 3/156:10 pm
IAH
-
ROB
3 stops46h 05m
United Airlines
Tue 3/2410:45 pm
ROB
-
IAH
3 stops30h 24m
United Airlines
Deal found 1/20$1,492

Find 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 January 21, 2026.

Round-trip from

$1,259
(United Airlines)
From Houston to Monrovia Roberts Intl
Search Deals

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 January 21, 2026.
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

Mon 3/16

7:35 am-9:15 pm

3 stops32h 40m

Monrovia Roberts Intl

Sun 3/22

10:45 pm-12:09 am

3 stops30h 24m

$1,259

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

Sun 3/15

7:50 pm-9:15 pm

3 stops44h 25m

Monrovia Roberts Intl

Sun 3/22

10:45 pm-9:53 am

2 stops40h 08m

$1,274

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

Thu 3/19

7:25 am-6:45 pm

2 stops30h 20m

Monrovia Roberts Intl

Sun 3/22

10:45 pm-12:09 am

3 stops30h 24m

$1,309

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

Fri 3/20

7:25 am-9:15 pm

3 stops32h 50m

Monrovia Roberts Intl

Sun 3/22

10:45 pm-12:09 am

3 stops30h 24m

$1,309

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

Wed 3/18

4:55 pm-6:45 pm

2 stops44h 50m

Monrovia Roberts Intl

Sun 3/22

10:45 pm-12:09 am

3 stops30h 24m

$1,317

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

Mon 3/16

7:35 am-9:15 pm

3 stops32h 40m

Monrovia Roberts Intl

Tue 3/24

10:45 pm-12:09 am

3 stops30h 24m

$1,485

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

Sun 3/15

6:10 pm-9:15 pm

3 stops46h 05m

Monrovia Roberts Intl

Tue 3/24

10:45 pm-12:09 am

3 stops30h 24m

$1,492

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

Sun 3/1

9:50 pm-9:15 pm

3 stops41h 25m

Monrovia Roberts Intl

Tue 3/31

9:10 pm-1:38 pm

2 stops45h 28m

$1,500

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

Tue 3/17

7:05 am-5:40 pm

2 stops29h 35m

Monrovia Roberts Intl

Wed 3/25

6:40 pm-9:43 pm

2 stops32h 03m

$1,502

HoustonMonrovia

IAH - ROB

IAHROB

Houston George Bush Intcntl

Fri 3/20

7:05 am-5:40 pm

2 stops29h 35m

Monrovia Roberts Intl

Wed 3/25

6:40 pm-9:43 pm

2 stops32h 03m

$1,512

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

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
No data available for this route at this time. Please check back soon.

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 January 21, 2026.
Get a feel of what it's like to fly with United Airlines, Brussels Airlines, and British Airways 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
9,191 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,191 reviews
United Airlines
7.4
Good
9,191 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Brussels Airlines
7.2
Good
382 reviews
United Airlines
7.4
Good
9,191 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
British Airways
6.7
Okay
7,690 reviews
United Airlines
7.4
Good
9,191 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 3 different airlines.

  • How long is the flight from Houston to Monrovia?

    There are many flights that can get you from Houston to Monrovia in 32h 40m. Fly via United Airlines to get the fastest option. There are 5700 mi between Houston and Monrovia.

  • What are the cheapest airlines flying from Houston to Monrovia round-trip?

    Our cheapest airline available from Houston to Monrovia is Brussels Airlines. Our recent data shows that you can find tickets from as low as $1,685 on this airline. Additional options worth looking into are British Airways and United Airlines, starting at $1,695 and $1,757 round-trip.

  • 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.

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 3 airlines flying from Houston to Monrovia

Discover the top 3 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$1,685Average$1,825FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$1,695Average$2,241FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$1,757Average$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.