HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Monrovia

$804+ Cheap flights from Boston (BOS) 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ROB
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston 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 Boston to Monrovia

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) 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 June 18, 2025.

Round-trip from

$878
(Gotogate)

One-way from

$804
(Ovago)

Popular in

December

Cheapest in

September

Average price

$1,741
From Boston Logan Intl to Monrovia Roberts Intl
Search Deals
One-way flight from Boston Logan Intl to Monrovia Roberts Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($152 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Boston to Monrovia

Cheapest flights from Boston to Monrovia
Explore the most affordable flight options available from Boston to Monrovia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2025.

This Gotogate deal was found by Cheapflights users on 6/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/83:20 pmBOS - ROB
3 stops24h 50mMultiple Airlines
Sun 11/3010:35 pmROB - BOS
2 stops26h 45mMultiple Airlines
Deal found 6/18$878
This United Airlines deal was found by Cheapflights users on 6/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/412:35 pmBOS - ROB
3 stops27h 15mUnited Airlines
Fri 10/109:10 pmROB - BOS
2 stops30h 49mUnited Airlines
Deal found 6/18$910
This SWISS deal was found by Cheapflights users on 6/15. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/129:40 pmBOS - ROB
3 stops42h 10mSWISS
Wed 1/710:35 pmROB - BOS
2 stops50h 45mSWISS
Deal found 6/15$1,104
This oojo deal was found by Cheapflights users on 6/18. 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.
Fri 9/265:30 amBOS - ROB
2 stops29h 15mEthiopian Air
Tue 9/3011:05 amROB - BOS
3 stops40h 54mEthiopian Air
Deal found 6/18$1,244
This Brussels Airlines deal was found by Cheapflights users on 6/17. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/138:05 pmBOS - ROB
3 stops43h 45mBrussels Airlines
Sun 7/279:10 pmROB - BOS
2 stops48h 30mBrussels Airlines
Deal found 6/17$1,387
This American Airlines deal was found by Cheapflights users on 6/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/124:30 pmBOS - ROB
2 stops31h 40mAmerican Airlines
Wed 1/75:35 amROB - BOS
2 stops24h 20mAmerican Airlines
Deal found 6/17$1,461
This Gurufare deal was found by Cheapflights users on 6/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:55 amBOS - ROB
3 stops26h 45mKenya Airways
Mon 1/56:40 pmROB - BOS
3 stops45h 41mKenya Airways
Deal found 6/17$1,782
This FlightHub deal was found by Cheapflights users on 6/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/124:40 pmBOS - ROB
2 stops31h 30mRoyal Air Maroc
Wed 1/75:35 amROB - BOS
2 stops24h 20mRoyal Air Maroc
Deal found 6/15$1,894

Cheapflights Fare Finder

Customize your flight search to find flights from Boston 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 June 18, 2025.
Use the filters below to find and compare flights from Boston to Monrovia that are best for you.

Fly from

Boston

Fly to

Monrovia

Route

Depart

Return

Price

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Sat 11/8

3:20 pm-9:10 pm

3 stops24h 50m

Monrovia Roberts Intl

Sun 11/30

10:35 pm-8:20 pm

2 stops26h 45m

$878

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Sat 10/4

12:35 pm-7:50 pm

3 stops27h 15m

Monrovia Roberts Intl

Fri 10/10

9:10 pm-11:59 pm

2 stops30h 49m

$910

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Fri 9/12

9:40 pm-7:50 pm

3 stops42h 10m

Monrovia Roberts Intl

Wed 1/7

10:35 pm-8:20 pm

2 stops50h 45m

$1,104

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Fri 9/26

5:30 am-2:45 pm

2 stops29h 15m

Monrovia Roberts Intl

Tue 9/30

11:05 am-11:59 pm

3 stops40h 54m

$1,244

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Sun 7/13

8:05 pm-7:50 pm

3 stops43h 45m

Monrovia Roberts Intl

Sun 7/27

9:10 pm-5:40 pm

2 stops48h 30m

$1,387

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Fri 9/12

4:30 pm-4:10 am

2 stops31h 40m

Monrovia Roberts Intl

Wed 1/7

5:35 am-12:55 am

2 stops24h 20m

$1,461

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Fri 12/5

9:55 am-5:40 pm

3 stops26h 45m

Monrovia Roberts Intl

Mon 1/5

6:40 pm-11:21 am

3 stops45h 41m

$1,782

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Fri 9/12

4:40 pm-4:10 am

2 stops31h 30m

Monrovia Roberts Intl

Wed 1/7

5:35 am-12:55 am

2 stops24h 20m

$1,894

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Mon 6/23

5:05 pm-7:50 pm

2 stops22h 45m

$804

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Best time to book a flight from Boston to Monrovia

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

What is the cheapest month to book a flight from Boston to Monrovia?

Currently, September is the cheapest month in which you can book a flight from Boston to Monrovia (average of $1,197). Flying from Boston to Monrovia in May is currently the most expensive (average of $1,858). 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.

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

Find hourly flight availability from Boston 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 June 18, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 16% on flights from Boston to Monrovia by exploring options for tickets at noon.

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 June 18, 2025.
Get a feel of what it's like to fly with SWISS, Brussels Airlines and United Airlines from Boston to Monrovia by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,632 reviews

Crew

8.2

Entertainment

6.7

Comfort

7.4

Food

7.0

Overall

7.5

Boarding

7.6

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
1,632 reviews
SWISS
7.5
Good
1,632 reviews

Crew

8.2

Entertainment

6.7

Comfort

7.4

Food

7.0

Overall

7.5

Boarding

7.6

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
355 reviews
SWISS
7.5
Good
1,632 reviews

Crew

8.2

Entertainment

6.7

Comfort

7.4

Food

7.0

Overall

7.5

Boarding

7.6

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
8,810 reviews
SWISS
7.5
Good
1,632 reviews

Crew

8.2

Entertainment

6.7

Comfort

7.4

Food

7.0

Overall

7.5

Boarding

7.6

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.
American Airlines
7.2
Good
10,000 reviews
SWISS
7.5
Good
1,632 reviews

Crew

8.2

Entertainment

6.7

Comfort

7.4

Food

7.0

Overall

7.5

Boarding

7.6

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
781 reviews
SWISS
7.5
Good
1,632 reviews

Crew

8.2

Entertainment

6.7

Comfort

7.4

Food

7.0

Overall

7.5

Boarding

7.6

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 Boston to Monrovia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    According to our current data, United Airlines ($910), SWISS ($1,104), and Ethiopian Air ($1,244) offers the cheapest pricing from Boston to Monrovia. United Airlines is 46% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Boston to Monrovia (average of $1,197). Flying from Boston to Monrovia in May is currently the most expensive (average of $1,858). 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.

Search flights from Boston to Monrovia by cabin class

Find flights from Boston to Monrovia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Top 4 airlines flying from Boston to Monrovia

Discover the top 4 airlines that operate flights from Boston 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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$998Average$1,691FlexibilityNo cancel feeOn-timeN/A
Ethiopian AirCheapest$1,285Average$1,638FlexibilityNo cancel feeOn-time72%
Kenya AirwaysCheapest$1,355Average$1,508FlexibilityNo cancel feeOn-time82%
British AirwaysCheapest$1,592Average$1,975FlexibilityNo cancel feeOn-time70%

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.