$817+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ROB
Apr 26 — May 31
Round-trip
1 adult, Economy
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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
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to MonroviaExplore 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 March 27, 2026.
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 March 27, 2026.
This KAYAK deal was found by Cheapflights users on 3/25. 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.
Sat 4/258:15 pm
BOS
- ROB
3 stops41h 35m
Multiple Airlines
Mon 5/256:50 pm
ROB
- BOS
3 stops50h 04m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$1,384
This CheapOair deal was found by Cheapflights users on 3/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:15 pm
BOS
- ROB
3 stops41h 35m
Multiple Airlines
Wed 5/66:50 pm
ROB
- BOS
3 stops44h 20m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$1,467
This KAYAK deal was found by Cheapflights users on 3/24. 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.
Tue 4/77:39 pm
BOS
- ROB
3 stops42h 11m
Multiple Airlines
Mon 5/116:50 pm
ROB
- BOS
3 stops51h 26m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$1,483
This CheapOair deal was found by Cheapflights users on 3/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/35:20 am
BOS
- ROB
3 stops32h 30m
Multiple Airlines
Sat 5/236:50 pm
ROB
- BOS
3 stops44h 20m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$1,490
This Ovago deal was found by Cheapflights users on 3/27. 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.
Tue 8/116:45 pm
BOS
- ROB
3 stops43h 05m
Multiple Airlines
Thu 9/36:50 pm
ROB
- BOS
2 stops50h 39m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$1,521
This KAYAK deal was found by Cheapflights users on 3/24. 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.
Fri 7/246:25 pm
BOS
- ROB
3 stops45h 25m
Brussels Airlines
Fri 8/219:10 pm
ROB
- BOS
2 stops30h 44m
Brussels Airlines
Deal found 3/24![Brussels Airlines logo]()
$1,531
This Ovago deal was found by Cheapflights users on 3/27. 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.
Sun 5/39:05 am
BOS
- ROB
3 stops28h 45m
Kenya Airways
Sat 5/236:50 pm
ROB
- BOS
2 stops44h 20m
Kenya Airways
Deal found 3/27![Kenya Airways logo]()
$1,544
This oojo deal was found by Cheapflights users on 3/24. 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.
Tue 4/79:50 pm
BOS
- ROB
2 stops50h 45m
Turkish Airlines
Mon 5/113:40 pm
ROB
- BOS
2 stops32h 15m
Turkish Airlines
Deal found 3/24![Turkish Airlines logo]()
$1,557
This oojo deal was found by Cheapflights users on 3/23. 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 4/85:45 am
BOS
- ROB
3 stops32h 05m
Multiple Airlines
Tue 4/2811:05 am
ROB
- BOS
3 stops40h 54m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$1,609
Best flights from Boston to MonroviaDiscover carefully curated flight deals from Boston to Monrovia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 27, 2026.
Discover carefully curated flight deals from Boston to Monrovia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 27, 2026.
This KAYAK deal was found by Cheapflights users on 3/25. 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.
Sat 4/258:15 pm
BOS
- ROB
3 stops41h 35m
Multiple Airlines
Mon 5/256:50 pm
ROB
- BOS
3 stops50h 04m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$1,384
This KAYAK deal was found by Cheapflights users on 3/26. 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.
Fri 7/249:40 pm
BOS
- ROB
3 stops42h 10m
SWISS
Sun 8/29:10 pm
ROB
- BOS
2 stops50h 45m
SWISS
Deal found 3/26![SWISS logo]()
$1,690
This KAYAK deal was found by Cheapflights users on 3/23. 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.
Sun 5/315:45 pm
BOS
- ROB
3 stops46h 05m
Brussels Airlines
Tue 6/309:10 pm
ROB
- BOS
2 stops24h 30m
Brussels Airlines
Deal found 3/23![Brussels Airlines logo]()
$1,727
This CheapOair deal was found by Cheapflights users on 3/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:15 pm
BOS
- ROB
3 stops41h 35m
Multiple Airlines
Wed 5/66:50 pm
ROB
- BOS
3 stops44h 20m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$1,467
This CheapOair deal was found by Cheapflights users on 3/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/35:20 am
BOS
- ROB
3 stops32h 30m
Multiple Airlines
Sat 5/236:50 pm
ROB
- BOS
3 stops44h 20m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$1,490
This KAYAK deal was found by Cheapflights users on 3/22. 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.
Wed 6/108:05 pm
BOS
- ROB
3 stops43h 45m
Brussels Airlines
Sun 7/199:10 pm
ROB
- BOS
2 stops46h 30m
Brussels Airlines
Deal found 3/22![Brussels Airlines logo]()
$1,733
This Justfly.com deal was found by Cheapflights users on 3/27. 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.
Tue 8/116:45 pm
BOS
- ROB
3 stops43h 05m
Multiple Airlines
Thu 9/36:50 pm
ROB
- BOS
3 stops50h 39m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$1,541
This oojo deal was found by Cheapflights users on 3/23. 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 4/85:45 am
BOS
- ROB
3 stops32h 05m
Multiple Airlines
Tue 4/2811:05 am
ROB
- BOS
3 stops40h 54m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$1,609
This BusinessClass deal was found by Cheapflights users on 3/22. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/108:30 pm
BOS
- ROB
2 stops28h 05m
Multiple Airlines
Sun 7/195:45 am
ROB
- BOS
2 stops29h 57m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$1,723
Last-minute flights from Boston to MonroviaDiscover last-minute flight deals from Boston to Monrovia. Data last updated March 27, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Monrovia. Data last updated March 27, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 3/24. 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.
Tue 4/77:39 pm
BOS
- ROB
3 stops42h 11m
Multiple Airlines
Mon 5/116:50 pm
ROB
- BOS
3 stops51h 26m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$1,483
This oojo deal was found by Cheapflights users on 3/24. 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.
Tue 4/79:50 pm
BOS
- ROB
2 stops50h 45m
Turkish Airlines
Mon 5/113:40 pm
ROB
- BOS
2 stops32h 15m
Turkish Airlines
Deal found 3/24![Turkish Airlines logo]()
$1,557
This oojo deal was found by Cheapflights users on 3/23. 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 4/85:45 am
BOS
- ROB
3 stops32h 05m
Multiple Airlines
Tue 4/2811:05 am
ROB
- BOS
3 stops40h 54m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$1,609
This Gurufare deal was found by Cheapflights users on 3/23. 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.
Wed 4/89:40 pm
BOS
- ROB
3 stops42h 10m
SWISS
Tue 4/289:10 pm
ROB
- BOS
2 stops26h 45m
SWISS
Deal found 3/23![SWISS logo]()
$1,769
This CheapOair deal was found by Cheapflights users on 3/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:15 pm
BOS
- ROB
2 stops52h 20m
Multiple Airlines
Sun 5/35:45 am
ROB
- BOS
2 stops29h 25m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$1,633
This KAYAK deal was found by Cheapflights users on 3/25. 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.
Sat 4/258:15 pm
BOS
- ROB
3 stops41h 35m
Multiple Airlines
Mon 5/256:50 pm
ROB
- BOS
3 stops50h 04m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$1,384
One-way flights from Boston to MonroviaSearch for one-way flight options from Boston to Monrovia. Find affordable one-way fares based on user searches. Data last updated March 27, 2026.
Search for one-way flight options from Boston to Monrovia. Find affordable one-way fares based on user searches. Data last updated March 27, 2026.
This oojo deal was found by Cheapflights users on 3/25. 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 8/59:50 pm
BOS
- ROB
2 stops60h 40m
Turkish Airlines
Deal found 3/25![Turkish Airlines logo]()
$817
This Priceline deal was found by Cheapflights users on 3/25. 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.
Wed 8/56:25 pm
BOS
- ROB
3 stops45h 25m
Air Canada
Deal found 3/25![Air Canada logo]()
$860
Find 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 March 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,384 (KAYAK) |
One-way from | $817 (oojo) |
Popular in | December |
Cheapest in | August |
Average price | $1,367 |
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 March 27, 2026.
Use the filters below to find and compare flights from Boston to Monrovia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonMonrovia
BOS - ROB
BOSROB
Boston Logan Intl
Sat 4/25
8:15 pm-5:50 pm
3 stops41h 35m
Monrovia Roberts Intl
Mon 5/25
6:50 pm-4:54 pm
3 stops50h 04m
$1,384
BostonMonrovia
BOS - ROB
BOSROB
Boston Logan Intl
Sat 5/2
8:15 pm-5:50 pm
3 stops41h 35m
Monrovia Roberts Intl
Wed 5/6
6:50 pm-11:10 am
3 stops44h 20m
$1,467
BostonMonrovia
BOS - ROB
BOSROB
Boston Logan Intl
Sun 5/3
5:20 am-5:50 pm
3 stops32h 30m
Monrovia Roberts Intl
Sat 5/23
6:50 pm-11:10 am
3 stops44h 20m
$1,490
BostonMonrovia
BOS - ROB
BOSROB
Boston Logan Intl
Tue 8/11
6:45 pm-5:50 pm
3 stops43h 05m
Monrovia Roberts Intl
Thu 9/3
6:50 pm-5:29 pm
3 stops50h 39m
$1,541
BostonMonrovia
BOS - ROB
BOSROB
Boston Logan Intl
Wed 4/8
5:45 am-5:50 pm
3 stops32h 05m
Monrovia Roberts Intl
Tue 4/28
11:05 am-11:59 pm
3 stops40h 54m
$1,609
BostonMonrovia
BOS - ROB
BOSROB
Boston Logan Intl
Fri 7/24
9:40 pm-7:50 pm
3 stops42h 10m
Monrovia Roberts Intl
Sun 8/2
9:10 pm-7:55 pm
2 stops50h 45m
$1,690
Quickest round-trip
BostonMonrovia
BOS - ROB
BOSROB
Boston Logan Intl
Wed 6/10
8:30 pm-4:35 am
2 stops28h 05m
Monrovia Roberts Intl
Sun 7/19
5:45 am-7:42 am
2 stops29h 57m
$1,723
BostonMonrovia
BOS - ROB
BOSROB
Boston Logan Intl
Sun 5/31
5:45 pm-7:50 pm
3 stops46h 05m
Monrovia Roberts Intl
Tue 6/30
9:10 pm-5:40 pm
2 stops24h 30m
$1,727
BostonMonrovia
BOS - ROB
BOSROB
Boston Logan Intl
Wed 6/10
8:05 pm-7:50 pm
3 stops43h 45m
Monrovia Roberts Intl
Sun 7/19
9:10 pm-3:40 pm
2 stops46h 30m
$1,733
Cheapest one-way
BostonMonrovia
BOS - ROB
BOSROB
Boston Logan Intl
Wed 8/5
9:50 pm-2:30 pm
2 stops60h 40m
$817
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from Boston to Monrovia
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Monrovia in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Monrovia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Monrovia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Monrovia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Monrovia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Monrovia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
BOS-ROB
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, November is the cheapest month in which you can book a flight from Boston to Monrovia (average of $895). Flying from Boston to Monrovia in June is currently the most expensive (average of $1,576). 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.
How much does it cost to fly round-trip from Boston to Monrovia?
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 March 27, 2026.
Peruse reviews from past customers who have flown with United Airlines,Brussels Airlines, andEthiopian 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.
Boarding
7.7
Food
6.6
Comfort
7.3
Overall
7.4
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Boarding
7.7
Food
6.6
Comfort
7.3
Overall
7.4
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Boarding
7.7
Food
6.6
Comfort
7.3
Overall
7.4
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Boarding
7.7
Food
6.6
Comfort
7.3
Overall
7.4
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Boarding
7.7
Food
6.6
Comfort
7.3
Overall
7.4
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
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.
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Find flights from Boston to Monrovia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Monrovia flights
Browse other Boston and Monrovia flight options. Last updated on March 27, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on March 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 March 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,025 | Average$1,433 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,035 | Average$1,393 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,285 | Average$1,457 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$1,547 | Average$1,899 | FlexibilityNo cancel fee | On-time71% |