$831 Cheap Flights from Boston (BOS) to Monrovia (ROB)

View $831 flight on Sun, Mar 1, 2026Opens in a new window

Popular airlines from Logan International Airport (BOS) to Monrovia (ROB-Roberts Intl.)

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Cheap Flights from Boston to Monrovia (BOS-ROB)

Prices were available within the past 7 days and start at $831 for one-way flights and $1,223 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, Nov 16 - Tue, Dec 1
BOS
Boston
ROB
Monrovia
$1,223 Roundtrip, just found
$1,223
Roundtrip
just found
Select Air Canada flight, departing Mon, Nov 16 from Boston to Monrovia, returning Tue, Dec 1, priced at $1,223 just found
United
Mon, Nov 16 - Tue, Dec 1
BOS
Boston
ROB
Monrovia
$1,224 Roundtrip, just found
$1,224
Roundtrip
just found
Select United flight, departing Mon, Nov 16 from Boston to Monrovia, returning Tue, Dec 1, priced at $1,224 just found
Air Canada
Mon, Sep 21 - Wed, Oct 7
BOS
Boston
ROB
Monrovia
$1,228 Roundtrip, found 5 days ago
$1,228
Roundtrip
found 5 days ago
Select Air Canada flight, departing Mon, Sep 21 from Boston to Monrovia, returning Wed, Oct 7, priced at $1,228 found 5 days ago
United
Tue, Sep 29 - Wed, Oct 14
BOS
Boston
ROB
Monrovia
$1,229 Roundtrip, found 5 days ago
$1,229
Roundtrip
found 5 days ago
Select United flight, departing Tue, Sep 29 from Boston to Monrovia, returning Wed, Oct 14, priced at $1,229 found 5 days ago
United
Mon, Nov 16 - Tue, Dec 1
BOS
Boston
ROB
Monrovia
$1,231 Roundtrip, just found
$1,231
Roundtrip
just found
Select United flight, departing Mon, Nov 16 from Boston to Monrovia, returning Tue, Dec 1, priced at $1,231 just found
Brussels Airlines
Mon, Nov 16 - Wed, Dec 2
BOS
Boston
ROB
Monrovia
$1,231 Roundtrip, found 5 days ago
$1,231
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Mon, Nov 16 from Boston to Monrovia, returning Wed, Dec 2, priced at $1,231 found 5 days ago
Air Canada
Sun, Sep 6 - Tue, Sep 22
BOS
Boston
ROB
Monrovia
$1,235 Roundtrip, found 5 days ago
$1,235
Roundtrip
found 5 days ago
Select Air Canada flight, departing Sun, Sep 6 from Boston to Monrovia, returning Tue, Sep 22, priced at $1,235 found 5 days ago
Air Canada
Sun, Nov 1 - Tue, Nov 17
BOS
Boston
ROB
Monrovia
$1,235 Roundtrip, found 3 days ago
$1,235
Roundtrip
found 3 days ago
Select Air Canada flight, departing Sun, Nov 1 from Boston to Monrovia, returning Tue, Nov 17, priced at $1,235 found 3 days ago
Swiss International Air Lines
Mon, Nov 16 - Tue, Dec 1
BOS
Boston
ROB
Monrovia
$1,247 Roundtrip, just found
$1,247
Roundtrip
just found
Select Swiss International Air Lines flight, departing Mon, Nov 16 from Boston to Monrovia, returning Tue, Dec 1, priced at $1,247 just found
Ethiopian Airlines
Tue, May 5 - Tue, May 19
BOS
Boston
ROB
Monrovia
$1,343 Roundtrip, found 6 days ago
$1,343
Roundtrip
found 6 days ago
Select Ethiopian Airlines flight, departing Tue, May 5 from Boston to Monrovia, returning Tue, May 19, priced at $1,343 found 6 days ago

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Alternative airports near Monrovia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Roberts Intl. ROB. Cheapest option available. Average driving time to city center is 49 minutes. Flights from $1,373
ROB
Roberts Intl.
Cheapest
Average driving time to city center49 min
Flights from $1,373

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Roberts Intl. Airport (ROB) cost?
Secure a cheap one-way flight from $831 or cheap return flight from $1,223 from Logan Intl. Airport (BOS) to Roberts Intl. Airport (ROB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Roberts Intl. Airport (ROB)?
November is the most affordable month to fly from BOS to ROB. Traveling during quieter months is often the key to finding better deals on flights.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Roberts Intl. Airport (ROB)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from BOS to ROB. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Logan Intl. Airport (BOS) to Roberts Intl. Airport (ROB)?
You'll have to book a flight with a layover when traveling from Logan Intl. Airport (BOS) to Roberts Intl. Airport (ROB). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from BOS to ROB?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to Roberts Intl. Airport (ROB)?
Book a flight from Logan Intl. Airport (BOS) to Roberts Intl. Airport (ROB) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Roberts Intl. Airport (ROB) last-minute?
Waiting until just before your departure to book a ticket from BOS to ROB generally means paying more. While you may come across some last-minute deals, they aren't always guaranteed. Allow some flexibility in your schedule for a better chance of snagging a bargain.
Is it cheaper to book a BOS to ROB flight and hotel package?
Compared with arranging hotels and flights separately, booking a BOS to ROB flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the stress out of planning your trip. Just secure your flights and select from our wide range of hotels, then customize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Roberts Intl. Airport (ROB)?
In most instances, you can reschedule or cancel your BOS to ROB flight. However, there may be additional charges, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more information, head to our Customer Service portal.

Travel information

Origin airport
Logan Intl.
Destination airport
Roberts Intl.
Airlines serving
American Airlines, British Airways, Brussels Airlines, Delta, Ethiopian Airlines, Kenya Airways, Royal Air Maroc, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$1,222
Distance
4444 mi

Book with confidence

Boston to Monrovia Flights

The cheapest times to fly from Boston to Monrovia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Monrovia are during the month of November. You can find some of the cheapest flights from Boston to Monrovia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Monrovia

Sunday is one of the best days to book for cheap flights from Boston to Monrovia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Monrovia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Monrovia in 2026. You can also book with separate airlines for your outbound and return journeys, from $831 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Monrovia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Monrovia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Boston to Monrovia Flights

*Flight schedules are subject to change.

*Available to One Key members.