What is the cheapest airline that flies from Boston Logan Intl to Monrovia Roberts Intl?

SWISS and Brussels Airlines are the most popular carriers operating from Boston Logan Intl to Monrovia Roberts Intl

What airlines fly to Monrovia?

Brussels Airlines, Ethiopian Air and United Airlines are the top three most popular airlines that fly to Monrovia from Boston according to our data. Brussels Airlines is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Monrovia. Keep in mind that there are 4 different airlines that fly to Monrovia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Boston Logan Intl Airport to Monrovia Roberts Intl Airport?

Prices for flights from Boston Logan Intl Airport to Monrovia Roberts Intl Airport are updated daily.

How many operators does momondo search for flights from Boston Logan Intl Airport to Monrovia Roberts Intl Airport?

The number of operators available for flights from Boston Logan Intl Airport to Monrovia Roberts Intl Airport is 4 as of August 2026.

How old do you have to be to fly from Boston Logan Intl Airport to Monrovia Roberts Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Monrovia Roberts Intl Airport.

What documentation or ID do you need to fly to Monrovia Roberts Intl Airport?

The travel and health documents you'll need for your trip to Monrovia Roberts Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Monrovia Roberts Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$719 Cheap Flights from Boston to Monrovia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Monrovia

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One-way

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5:15 am - 4:35 amBOS Boston Logan Intl-ROB Monrovia Roberts Intl

19h 20m2 stops New York John F Kennedy Intl Casablanca Mohamed V

5:45 am - 6:00 pmROB Monrovia Roberts Intl-BOS Boston Logan Intl

40h 15m2 stops Casablanca Mohamed V New York John F Kennedy Intl

$1,270Multiple Airlines

Thu, Sep 17 - Fri, Oct 2

9:46 am - 4:35 amBOS Boston Logan Intl-ROB Monrovia Roberts Intl

38h 49m2 stops New York John F Kennedy Intl Casablanca Mohamed V

5:45 am - 5:21 pmROB Monrovia Roberts Intl-BOS Boston Logan Intl

39h 36m2 stops Casablanca Mohamed V New York John F Kennedy Intl

$1,273Multiple Airlines

Fri, Sep 11 - Fri, Sep 18

7:00 pm - 4:35 amBOS Boston Logan Intl-ROB Monrovia Roberts Intl

29h 35m2 stops New York John F Kennedy Intl Casablanca Mohamed V

5:45 am - 6:00 pmROB Monrovia Roberts Intl-BOS Boston Logan Intl

40h 15m2 stops Casablanca Mohamed V New York John F Kennedy Intl

$1,314Multiple Airlines

Fri, Sep 18 - Fri, Oct 2

7:30 am - 7:50 pmBOS Boston Logan Intl-ROB Monrovia Roberts Intl

32h 20m3 stops Newark Brussels Bruxelles-National Freetown Lungi Intl

9:10 pm - 7:19 pmROB Monrovia Roberts Intl-BOS Boston Logan Intl

26h 09m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

$1,500United Airlines

Mon, Sep 7 - Tue, Sep 22

7:00 pm - 7:50 pmBOS Boston Logan Intl-ROB Monrovia Roberts Intl

44h 50m3 stops Newark Brussels Bruxelles-National Freetown Lungi Intl

9:10 pm - 12:09 amROB Monrovia Roberts Intl-BOS Boston Logan Intl

30h 59m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

$1,565United Airlines

Sun, Sep 27 - Sun, Oct 4

5:45 am - 5:50 pmBOS Boston Logan Intl-ROB Monrovia Roberts Intl

32h 05m2 stops Washington, D.C. Dulles Intl Lome

7:30 am - 7:28 pmROB Monrovia Roberts Intl-BOS Boston Logan Intl

39h 58m3 stops Accra Kotoka Lome Newark

$1,580Ethiopian Air

Sat, Aug 29 - Fri, Sep 11

4:05 pm - 9:15 pmBOS Boston Logan Intl-ROB Monrovia Roberts Intl

24h 10m3 stops Frankfurt am Main Brussels Bruxelles-National Freetown Lungi Intl

8:20 pm - 7:02 pmROB Monrovia Roberts Intl-BOS Boston Logan Intl

27h 42m3 stops Conakry Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

$1,647Brussels Airlines

Tue, Dec 8 - Thu, Dec 31

12:30 pm - 5:50 pmBOS Boston Logan Intl-ROB Monrovia Roberts Intl

24h 20m3 stops Newark Lome Accra Kotoka

7:30 am - 12:10 pmROB Monrovia Roberts Intl-BOS Boston Logan Intl

33h 40m3 stops Accra Kotoka Lome Newark

$1,647Ethiopian Air

Tue, Dec 8 - Thu, Dec 31

2:16 pm - 9:15 pmBOS Boston Logan Intl-ROB Monrovia Roberts Intl

25h 59m3 stops Washington, D.C. Dulles Intl Brussels Bruxelles-National Freetown Lungi Intl

8:20 pm - 6:35 pmROB Monrovia Roberts Intl-BOS Boston Logan Intl

27h 15m3 stops Conakry Brussels Bruxelles-National Munich Franz Josef Strauss

$1,769Brussels Airlines

Thu, Dec 3 - Thu, Jan 7

5:30 am - 9:15 pmBOS Boston Logan Intl-ROB Monrovia Roberts Intl

34h 45m3 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National Freetown Lungi Intl

10:45 pm - 8:20 pmROB Monrovia Roberts Intl-BOS Boston Logan Intl

26h 35m2 stops Brussels Bruxelles-National Zurich

$3,430SWISS

Thu, Dec 17 - Fri, Jan 8

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Brussels Airlines flights from Boston to Monrovia

Our best Brussels Airlines deals on Boston to Monrovia flight tickets

Brussels Airlines

Dec 8

BOS4:05 pmBoston Logan Intl

24h 10m

3 stops

ROB9:15 pmMonrovia Roberts Intl

Dec 31

ROB8:20 pmMonrovia Roberts Intl

27h 42m

3 stops

BOS7:02 pmBoston Logan Intl

$1,647

Brussels Airlines

Dec 3

BOS2:16 pmBoston Logan Intl

25h 59m

3 stops

ROB9:15 pmMonrovia Roberts Intl

Jan 7

ROB8:20 pmMonrovia Roberts Intl

27h 15m

3 stops

BOS6:35 pmBoston Logan Intl

$1,769

Brussels Airlines

Dec 8

BOS2:16 pmBoston Logan Intl

25h 59m

3 stops

ROB9:15 pmMonrovia Roberts Intl

Dec 31

ROB8:20 pmMonrovia Roberts Intl

23h 33m

3 stops

BOS2:53 pmBoston Logan Intl

$1,787

Ethiopian Air flights from Boston to Monrovia

Our best Ethiopian Air deals on Boston to Monrovia flight tickets

Ethiopian Air

Aug 29

BOS5:45 amBoston Logan Intl

32h 05m

2 stops

ROB5:50 pmMonrovia Roberts Intl

Sep 11

ROB7:30 amMonrovia Roberts Intl

39h 58m

3 stops

BOS7:28 pmBoston Logan Intl

$1,580

Ethiopian Air

Aug 29

BOS5:45 amBoston Logan Intl

32h 05m

3 stops

ROB5:50 pmMonrovia Roberts Intl

Sep 11

ROB7:30 amMonrovia Roberts Intl

38h 22m

3 stops

BOS5:52 pmBoston Logan Intl

$1,653

Ethiopian Air

Sep 11

BOS7:30 amBoston Logan Intl

30h 20m

3 stops

ROB5:50 pmMonrovia Roberts Intl

Sep 18

ROB7:30 amMonrovia Roberts Intl

37h 18m

3 stops

BOS4:48 pmBoston Logan Intl

$1,655

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonMonrovia

BOS Boston Logan Intl - ROB Monrovia Roberts Intl

BOSROB

Boston Logan Intl

Thu 9/17

5:15 am-4:35 am

2 stops19h 20m

Monrovia Roberts Intl

Fri 10/2

5:45 am-6:00 pm

2 stops40h 15m

$1,270

BostonMonrovia

BOS Boston Logan Intl - ROB Monrovia Roberts Intl

BOSROB

Boston Logan Intl

Fri 9/11

9:46 am-4:35 am

2 stops38h 49m

Monrovia Roberts Intl

Fri 9/18

5:45 am-5:21 pm

2 stops39h 36m

$1,273

BostonMonrovia

BOS Boston Logan Intl - ROB Monrovia Roberts Intl

BOSROB

Boston Logan Intl

Fri 9/18

7:00 pm-4:35 am

2 stops29h 35m

Monrovia Roberts Intl

Fri 10/2

5:45 am-6:00 pm

2 stops40h 15m

$1,314

BostonMonrovia

BOS Boston Logan Intl - ROB Monrovia Roberts Intl

BOSROB

Boston Logan Intl

Mon 9/7

7:30 am-7:50 pm

3 stops32h 20m

Monrovia Roberts Intl

Tue 9/22

9:10 pm-7:19 pm

2 stops26h 09m

$1,500

BostonMonrovia

BOS Boston Logan Intl - ROB Monrovia Roberts Intl

BOSROB

Boston Logan Intl

Sun 9/27

7:00 pm-7:50 pm

3 stops44h 50m

Monrovia Roberts Intl

Sun 10/4

9:10 pm-12:09 am

2 stops30h 59m

$1,565

BostonMonrovia

BOS Boston Logan Intl - ROB Monrovia Roberts Intl

BOSROB

Boston Logan Intl

Sat 8/29

5:45 am-5:50 pm

2 stops32h 05m

Monrovia Roberts Intl

Fri 9/11

7:30 am-7:28 pm

3 stops39h 58m

$1,580

Quickest round-trip

BostonMonrovia

BOS Boston Logan Intl - ROB Monrovia Roberts Intl

BOSROB

Boston Logan Intl

Tue 12/8

4:05 pm-9:15 pm

3 stops24h 10m

Monrovia Roberts Intl

Thu 12/31

8:20 pm-7:02 pm

3 stops27h 42m

$1,647

BostonMonrovia

BOS Boston Logan Intl - ROB Monrovia Roberts Intl

BOSROB

Boston Logan Intl

Tue 12/8

12:30 pm-5:50 pm

3 stops24h 20m

Monrovia Roberts Intl

Thu 12/31

7:30 am-12:10 pm

3 stops33h 40m

$1,647

BostonMonrovia

BOS Boston Logan Intl - ROB Monrovia Roberts Intl

BOSROB

Boston Logan Intl

Thu 12/3

2:16 pm-9:15 pm

3 stops25h 59m

Monrovia Roberts Intl

Thu 1/7

8:20 pm-6:35 pm

3 stops27h 15m

$1,769

BostonMonrovia

BOS Boston Logan Intl - ROB Monrovia Roberts Intl

BOSROB

Boston Logan Intl

Thu 12/17

5:30 am-9:15 pm

3 stops34h 45m

Monrovia Roberts Intl

Fri 1/8

10:45 pm-8:20 pm

2 stops26h 35m

$3,430

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boston to Monrovia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Monrovia?

If you’re not able to fly to Monrovia in November, then October is your next best option. Flight prices from Boston to Monrovia during October average around $1,365.

When to book flights from Boston to Monrovia

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Monrovia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boston to Monrovia (BOS to ROB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Monrovia

Best Price Found	$719
Fastest flight time	19h 20m
Direct flights	None

The best one-way flight to Monrovia from Boston in the past 72 hours is $719. The best round-trip flight deal from Boston to Monrovia found on momondo in the last 72 hours is $1,270.

The fastest flight from Boston to Monrovia takes 19h 20m

There are no direct flights from Boston to Monrovia. There are no popular flight routes from Boston to Monrovia.

Search flight deals

Frequently asked questions about flying from Boston to Monrovia

How far is Boston Logan Intl to Monrovia Roberts Intl by plane?
There are 4419.4 mi between Boston Logan Intl and Monrovia Roberts Intl. A reasonable flight in good conditions will take 19h 20m.
When did momondo last update prices for flights from Boston Logan Intl Airport to Monrovia Roberts Intl Airport?
Prices for flights from Boston Logan Intl Airport to Monrovia Roberts Intl Airport are updated daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to Monrovia Roberts Intl Airport?
The number of operators available for flights from Boston Logan Intl Airport to Monrovia Roberts Intl Airport is 4 as of August 2026.
How old do you have to be to fly from Boston Logan Intl Airport to Monrovia Roberts Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Monrovia Roberts Intl Airport.
What documentation or ID do you need to fly to Monrovia Roberts Intl Airport?
The travel and health documents you'll need for your trip to Monrovia Roberts Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Monrovia Roberts Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Boston to Monrovia?
Based on momondo bookings for flights between Boston and Monrovia, the leading airline is Brussels Airlines, making up 64% of the total bookings. Other popular airlines include Ethiopian Air with 16%, United Airlines with 11%, and SWISS with 8%.

Best airlines flying from Boston to Monrovia

Compare and see reviews for airlines that fly from Boston to Monrovia with momondo

Airline	Rating	Free Cancellation	Price
Brussels Airlines	PriceFrom $1,204	Free Cancellation	Rating 7.3 429 reviews	Search Brussels Airlines flights
United Airlines	PriceFrom $1,231	Free Cancellation	Rating 7.4 10,104 reviews	Search United Airlines flights
Ethiopian Air	PriceFrom $1,308	Free Cancellation	Rating 7.2 1,031 reviews	Search Ethiopian Air flights
SWISS	PriceFrom $1,332	Free Cancellation	Rating 7.5 2,036 reviews	Search SWISS flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Monrovia?

Finding the right flight to Monrovia from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Monrovia quick and easy, saving you time and money.

Can I find flights from Boston to Monrovia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Monrovia from Boston with this policy.

How can momondo help me find flights from Boston to Monrovia?

Once you have performed a search for Boston to Monrovia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Boston to Monrovia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Boston to Monrovia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Boston to Monrovia from $719

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Monrovia departing on 10/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Brussels Airlines flights from Boston to Monrovia

Our best Brussels Airlines deals on Boston to Monrovia flight tickets

Ethiopian Air flights from Boston to Monrovia

Our best Ethiopian Air deals on Boston to Monrovia flight tickets

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How to get the cheapest flight ticket from Boston to Monrovia

What is the cheapest month to fly to Monrovia?

What is the cheapest airline that flies from Boston Logan Intl to Monrovia Roberts Intl?

What airlines fly to Monrovia?

When to book flights from Boston to Monrovia

Cheap Boston to Monrovia (BOS to ROB) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Boston to Monrovia

Best airlines flying from Boston to Monrovia

Compare and see reviews for airlines that fly from Boston to Monrovia with momondo

Why use momondo?

An easier way to manage your Monrovia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Liberia

Fly your favorite airline to Monrovia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Monrovia

List of cabin classes available on flights landing in Monrovia. Availability may vary depending on flight origin and airline.

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