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Monrovia

$827+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ROB
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
1 adult, Economy
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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 julio 3, 2025.

Round-trip from

$896
(Brussels Airlines)

One-way from

$827
(SWISS)

Popular in

December

Cheapest in

September

Average price

$1,673
From Boston Logan Intl to Monrovia Roberts Intl
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One-way flight from Boston Logan Intl to Monrovia Roberts Intl
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Highest demand for flights based on searches. 7% potential increase in price ($144 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 julio 3, 2025.

This Brussels Airlines deal was found by Cheapflights users on 7/2. 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.
mar. 11/113:40 pmBOS - ROB
3 stops24h 30mBrussels Airlines
dom. 11/2310:35 pmROB - BOS
2 stops21h 17mBrussels Airlines
Deal found 7/2$896
This United Airlines deal was found by Cheapflights users on 7/1. 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.
lun. 11/171:30 pmBOS - ROB
3 stops26h 40mUnited Airlines
mar. 2/310:35 pmROB - BOS
2 stops43h 12mUnited Airlines
Deal found 7/1$910
This SWISS deal was found by Cheapflights users on 7/1. 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.
jue. 11/209:55 pmBOS - ROB
3 stops42h 15mSWISS
mar. 2/310:35 pmROB - BOS
2 stops26h 45mSWISS
Deal found 7/1$936
This Justfly.com deal was found by Cheapflights users on 7/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/255:05 pmBOS - ROB
2 stops22h 45mMultiple Airlines
mar. 9/99:10 pmROB - BOS
2 stops21h 20mMultiple Airlines
Deal found 7/3$1,041
This FlightHub deal was found by Cheapflights users on 7/1. 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.
dom. 11/165:30 amBOS - ROB
2 stops28h 15mEthiopian Air
lun. 2/211:05 amROB - BOS
3 stops32h 18mEthiopian Air
Deal found 7/1$1,244
This KAYAK deal was found by Cheapflights users on 7/1. 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.
vie. 11/149:55 amBOS - ROB
3 stops27h 05mKenya Airways
lun. 2/27:00 pmROB - BOS
3 stops45h 21mKenya Airways
Deal found 7/1$1,494
This American Airlines deal was found by Cheapflights users on 7/3. 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.
jue. 10/236:28 pmBOS - ROB
2 stops53h 42mAmerican Airlines
mié. 11/125:35 amROB - BOS
2 stops23h 09mAmerican Airlines
Deal found 7/3$1,518

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 julio 3, 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

mar. 11/11

3:40 pm-9:10 pm

3 stops24h 30m

Monrovia Roberts Intl

dom. 11/23

10:35 pm-2:52 pm

2 stops21h 17m

$896

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

lun. 11/17

1:30 pm-9:10 pm

3 stops26h 40m

Monrovia Roberts Intl

mar. 2/3

10:35 pm-12:47 pm

2 stops43h 12m

$910

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

jue. 11/20

9:55 pm-9:10 pm

3 stops42h 15m

Monrovia Roberts Intl

mar. 2/3

10:35 pm-8:20 pm

2 stops26h 45m

$936

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

lun. 8/25

5:05 pm-7:50 pm

2 stops22h 45m

Monrovia Roberts Intl

mar. 9/9

9:10 pm-2:30 pm

2 stops21h 20m

$1,041

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

dom. 11/16

5:30 am-2:45 pm

2 stops28h 15m

Monrovia Roberts Intl

lun. 2/2

11:05 am-2:23 pm

3 stops32h 18m

$1,244

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

vie. 11/14

9:55 am-6:00 pm

3 stops27h 05m

Monrovia Roberts Intl

lun. 2/2

7:00 pm-11:21 am

3 stops45h 21m

$1,494

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

jue. 10/23

6:28 pm-4:10 am

2 stops53h 42m

Monrovia Roberts Intl

mié. 11/12

5:35 am-11:44 pm

2 stops23h 09m

$1,518

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

vie. 8/15

9:40 pm-7:50 pm

3 stops42h 10m

$827

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

vie. 8/15

6:32 am-4:10 am

2 stops41h 38m

$961

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 julio 3, 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 julio 3, 2025.
Peruse reviews from past customers who have flown with SWISS, United Airlines, and Brussels Airlines from Boston to Monrovia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,654 reviews

Boarding

7.6

Crew

8.2

Overall

7.5

Entertainment

6.8

Comfort

7.4

Food

7.1

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
1,654 reviews
SWISS
7.5
Good
1,654 reviews

Boarding

7.6

Crew

8.2

Overall

7.5

Entertainment

6.8

Comfort

7.4

Food

7.1

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
8,861 reviews
SWISS
7.5
Good
1,654 reviews

Boarding

7.6

Crew

8.2

Overall

7.5

Entertainment

6.8

Comfort

7.4

Food

7.1

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
7.3
Good
352 reviews
SWISS
7.5
Good
1,654 reviews

Boarding

7.6

Crew

8.2

Overall

7.5

Entertainment

6.8

Comfort

7.4

Food

7.1

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
1,654 reviews

Boarding

7.6

Crew

8.2

Overall

7.5

Entertainment

6.8

Comfort

7.4

Food

7.1

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
787 reviews
SWISS
7.5
Good
1,654 reviews

Boarding

7.6

Crew

8.2

Overall

7.5

Entertainment

6.8

Comfort

7.4

Food

7.1

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, Brussels Airlines ($896), United Airlines ($910), and SWISS ($936) offers the cheapest pricing from Boston to Monrovia. Brussels 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

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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 5 airlines flying from Boston to Monrovia

Discover the top 5 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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$998Average$1,692FlexibilityNo cancel feeOn-timeN/A
Ethiopian AirCheapest$1,285Average$1,624FlexibilityNo cancel feeOn-time72%
Kenya AirwaysCheapest$1,355Average$1,508FlexibilityNo cancel feeOn-time82%
United AirlinesCheapest$1,409Average$1,657FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$1,592Average$2,058FlexibilityNo cancel feeOn-time70%

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