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Monrovia

$983+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ROB
ago. 23 — ago. 301
sáb. 8/23
sáb. 8/30
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 agosto 18, 2025.

Round-trip from

$1,108
(Gotogate)

One-way from

$983
(Ethiopian Air)

Popular in

December

Cheapest in

August

Average price

$1,035
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. 10% potential increase in price ($197 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in August 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 agosto 18, 2025.

This Gotogate deal was found by Cheapflights users on 8/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/2110:20 amBOS - ROB
3 stops29h 30mMultiple Airlines
mar. 11/2510:45 pmROB - BOS
2 stops21h 07mMultiple Airlines
Deal found 8/17$1,108
This Ovago deal was found by Cheapflights users on 8/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/212:36 pmBOS - ROB
2 stops25h 14mBrussels Airlines
mar. 11/2510:45 pmROB - BOS
2 stops21h 07mBrussels Airlines
Deal found 8/17$1,158
This Travelocity deal was found by Cheapflights users on 8/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/38:05 pmBOS - ROB
3 stops43h 45mMultiple Airlines
mié. 11/510:45 pmROB - BOS
2 stops21h 07mMultiple Airlines
Deal found 8/16$1,180
This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/21:38 pmBOS - ROB
3 stops26h 12mUnited Airlines
vie. 9/129:10 pmROB - BOS
2 stops25h 02mUnited Airlines
Deal found 8/17$1,209
This Gurufare deal was found by Cheapflights users on 8/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/83:40 pmBOS - ROB
3 stops24h 35mBrussels Airlines
vie. 11/218:05 pmROB - BOS
3 stops23h 47mBrussels Airlines
Deal found 8/16$1,224
This Air Canada deal was found by Cheapflights users on 8/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/66:40 pmBOS - ROB
3 stops45h 35mMultiple Airlines
vie. 11/218:05 pmROB - BOS
3 stops30h 22mMultiple Airlines
Deal found 8/16$1,245
This Gurufare deal was found by Cheapflights users on 8/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/235:05 pmBOS - ROB
3 stops22h 45mMultiple Airlines
vie. 9/59:10 pmROB - BOS
2 stops25h 45mMultiple Airlines
Deal found 8/16$1,343
This Brussels Airlines deal was found by Cheapflights users on 8/16. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/38:05 pmBOS - ROB
3 stops43h 45mBrussels Airlines
mié. 11/510:45 pmROB - BOS
3 stops25h 03mBrussels Airlines
Deal found 8/16$1,346
This Ovago deal was found by Cheapflights users on 8/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/248:05 pmBOS - ROB
3 stops43h 45mBrussels Airlines
dom. 8/319:10 pmROB - BOS
2 stops25h 45mBrussels Airlines
Deal found 8/17$1,362
This Priceline deal was found by Cheapflights users on 8/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/1510:20 amBOS - ROB
3 stops29h 30mMultiple Airlines
sáb. 10/256:40 pmROB - BOS
3 stops44h 29mMultiple Airlines
Deal found 8/16$1,495

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 agosto 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

mar. 10/21

10:20 am-7:50 pm

3 stops29h 30m

Monrovia Roberts Intl

mar. 11/25

10:45 pm-2:52 pm

2 stops21h 07m

$1,108

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

mar. 10/21

2:36 pm-7:50 pm

2 stops25h 14m

Monrovia Roberts Intl

mar. 11/25

10:45 pm-2:52 pm

2 stops21h 07m

$1,158

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

mié. 9/3

8:05 pm-7:50 pm

3 stops43h 45m

Monrovia Roberts Intl

mié. 11/5

10:45 pm-2:52 pm

2 stops21h 07m

$1,180

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

mar. 9/2

1:38 pm-7:50 pm

3 stops26h 12m

Monrovia Roberts Intl

vie. 9/12

9:10 pm-6:55 pm

2 stops25h 45m

$1,209

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

sáb. 11/8

3:40 pm-9:15 pm

3 stops24h 35m

Monrovia Roberts Intl

vie. 11/21

8:05 pm-2:52 pm

3 stops23h 47m

$1,224

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

jue. 11/6

6:40 pm-9:15 pm

3 stops45h 35m

Monrovia Roberts Intl

vie. 11/21

8:05 pm-9:27 pm

3 stops30h 22m

$1,245

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

mié. 9/3

8:05 pm-7:50 pm

3 stops43h 45m

Monrovia Roberts Intl

mié. 11/5

10:45 pm-6:48 pm

3 stops25h 03m

$1,346

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

lun. 9/15

10:20 am-7:50 pm

3 stops29h 30m

Monrovia Roberts Intl

sáb. 10/25

6:40 pm-11:09 am

3 stops44h 29m

$1,495

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

sáb. 10/4

5:30 am-2:45 pm

2 stops29h 15m

Monrovia Roberts Intl

sáb. 10/11

7:30 am-11:59 pm

3 stops20h 29m

$1,543

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

lun. 9/15

5:30 am-5:50 pm

3 stops32h 20m

$983

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

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 $1,850). 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 agosto 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 agosto 18, 2025.
Peruse reviews from past customers who have flown with United Airlines, Brussels Airlines, and Ethiopian Air 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.
United Airlines
7.4
Good
8,925 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

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
8,925 reviews
United Airlines
7.4
Good
8,925 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

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
8,925 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

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??
Ethiopian Air
7.2
Good
835 reviews
United Airlines
7.4
Good
8,925 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

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??
Kenya Airways
6.9
Okay
276 reviews
United Airlines
7.4
Good
8,925 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

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??
British Airways
6.7
Okay
7,277 reviews
United Airlines
7.4
Good
8,925 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

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

  • How long is the flight from Boston to Monrovia?

    Brussels Airlines and United Airlines can get you from Boston to Monrovia in just under 25h 14m. Your travel time can differ by up to 58m. There are 4442 mi between Boston and Monrovia. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    According to our current data, Brussels Airlines ($962), United Airlines ($1,035), and Ethiopian Air ($1,285) offers the cheapest pricing from Boston to Monrovia. Brussels Airlines is 40% 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 $1,850). 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 agosto 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$962Average$1,663FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,035Average$1,597FlexibilityNo cancel feeOn-time69%
Ethiopian AirCheapest$1,285Average$1,618FlexibilityNo cancel feeOn-time72%
Kenya AirwaysCheapest$1,355Average$1,508FlexibilityNo cancel feeOn-time82%
British AirwaysCheapest$1,708Average$2,058FlexibilityNo cancel feeOn-time70%

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