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

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

What airlines fly to Monrovia?

Ethiopian Air, Brussels Airlines and British Airways are the top three most popular airlines that fly to Monrovia from Boston according to our data. Ethiopian Air is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Monrovia. Keep in mind that there are 5 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 5 as of July 2025.

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.

$815 Cheap Flights from Boston to Monrovia in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Boston to Monrovia

Round-trip

One-way

Last minute

Cheap round-trip flights

11:00 am - 7:50 pmBOS-ROB

28h 50m3 stops

9:10 pm - 4:22 pmROB-BOS

23h 12m2 stops

$1,103United Airlines

Find Deal

Thu, Sep 11 - Wed, Sep 24

6:30 pm - 7:50 pmBOS-ROB

45h 20m3 stops

9:10 pm - 2:30 pmROB-BOS

21h 20m2 stops

$1,145

Find Deal

Sun, Sep 7 - Wed, Sep 24

3:40 pm - 9:10 pmBOS-ROB

24h 30m3 stops

10:35 pm - 2:52 pmROB-BOS

21h 17m2 stops

$1,179Brussels Airlines

Find Deal

Sat, Nov 8 - Wed, Nov 26

2:21 pm - 9:10 pmBOS-ROB

25h 49m3 stops

10:35 pm - 2:52 pmROB-BOS

21h 17m2 stops

$1,183Brussels Airlines

Find Deal

Fri, Nov 7 - Tue, Nov 25

3:15 pm - 7:50 pmBOS-ROB

24h 35m3 stops

9:10 pm - 9:55 pmROB-BOS

28h 45m2 stops

$1,184

Find Deal

Tue, Sep 2 - Fri, Sep 12

5:05 pm - 7:50 pmBOS-ROB

22h 45m3 stops

9:10 pm - 3:25 pmROB-BOS

46h 15m2 stops

$1,185SWISS

Find Deal

Mon, Aug 25 - Sun, Sep 7

2:21 pm - 9:10 pmBOS-ROB

25h 49m3 stops

10:35 pm - 2:52 pmROB-BOS

21h 17m2 stops

$1,188

Find Deal

Fri, Nov 7 - Tue, Nov 25

5:30 am - 2:45 pmBOS-ROB

52h 15m3 stops

11:05 am - 12:45 amROB-BOS

42h 40m3 stops

$1,437Ethiopian Air

Find Deal

Mon, Nov 17 - Mon, Nov 24

5:30 am - 2:45 pmBOS-ROB

29h 15m2 stops

7:30 am - 11:59 pmROB-BOS

20h 29m3 stops

$1,543Ethiopian Air

Find Deal

Sat, Oct 4 - Sat, Oct 11

9:59 am - 5:40 pmBOS-ROB

27h 41m3 stops

7:00 pm - 11:21 amROB-BOS

45h 21m3 stops

$1,938Kenya Airways

Find Deal

Fri, Sep 12 - Wed, Jan 7

Brussels Airlines flights from Boston to Monrovia

Our best Brussels Airlines deals on Boston to Monrovia flight tickets

Brussels Airlines

Nov 8

BOS3:40 pmBoston Logan Intl

24h 30m

3 stops

ROB9:10 pmMonrovia Roberts Intl

Nov 26

ROB10:35 pmMonrovia Roberts Intl

21h 17m

2 stops

BOS2:52 pmBoston Logan Intl

$1,179

Find similar

Brussels Airlines

Nov 7

BOS2:21 pmBoston Logan Intl

25h 49m

3 stops

ROB9:10 pmMonrovia Roberts Intl

Nov 25

ROB10:35 pmMonrovia Roberts Intl

21h 17m

2 stops

BOS2:52 pmBoston Logan Intl

$1,183

Find similar

Brussels Airlines

Nov 8

BOS2:21 pmBoston Logan Intl

25h 49m

2 stops

ROB9:10 pmMonrovia Roberts Intl

Nov 26

ROB10:35 pmMonrovia Roberts Intl

21h 17m

2 stops

BOS2:52 pmBoston Logan Intl

$1,199

Find similar

Ethiopian Air flights from Boston to Monrovia

Our best Ethiopian Air deals on Boston to Monrovia flight tickets

Ethiopian Air

Nov 17

BOS5:30 amBoston Logan Intl

52h 15m

3 stops

ROB2:45 pmMonrovia Roberts Intl

Nov 24

ROB11:05 amMonrovia Roberts Intl

42h 40m

3 stops

BOS12:45 amBoston Logan Intl

$1,437

Find similar

Ethiopian Air

Oct 4

BOS5:30 amBoston Logan Intl

29h 15m

2 stops

ROB2:45 pmMonrovia Roberts Intl

Oct 11

ROB7:30 amMonrovia Roberts Intl

20h 29m

3 stops

BOS11:59 pmBoston Logan Intl

$1,543

Find similar

Ethiopian Air

Aug 25

BOS5:30 amBoston Logan Intl

32h 20m

3 stops

ROB5:50 pmMonrovia Roberts Intl

Sep 7

ROB11:05 amMonrovia Roberts Intl

32h 35m

3 stops

BOS3:40 pmBoston Logan Intl

$1,694

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Thu 9/11

11:00 am-7:50 pm

3 stops28h 50m

Monrovia Roberts Intl

Wed 9/24

9:10 pm-4:22 pm

2 stops23h 12m

$1,103

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Sun 9/7

6:30 pm-7:50 pm

3 stops45h 20m

Monrovia Roberts Intl

Wed 9/24

9:10 pm-2:30 pm

2 stops21h 20m

$1,145

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Sat 11/8

3:40 pm-9:10 pm

3 stops24h 30m

Monrovia Roberts Intl

Wed 11/26

10:35 pm-2:52 pm

2 stops21h 17m

$1,179

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Fri 11/7

2:21 pm-9:10 pm

3 stops25h 49m

Monrovia Roberts Intl

Tue 11/25

10:35 pm-2:52 pm

2 stops21h 17m

$1,183

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Tue 9/2

3:15 pm-7:50 pm

3 stops24h 35m

Monrovia Roberts Intl

Fri 9/12

9:10 pm-9:55 pm

2 stops28h 45m

$1,184

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Mon 8/25

5:05 pm-7:50 pm

3 stops22h 45m

Monrovia Roberts Intl

Sun 9/7

9:10 pm-3:25 pm

2 stops46h 15m

$1,185

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Fri 11/7

2:21 pm-9:10 pm

3 stops25h 49m

Monrovia Roberts Intl

Tue 11/25

10:35 pm-2:52 pm

2 stops21h 17m

$1,188

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Mon 11/17

5:30 am-2:45 pm

3 stops52h 15m

Monrovia Roberts Intl

Mon 11/24

11:05 am-12:45 am

3 stops42h 40m

$1,437

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Sat 10/4

5:30 am-2:45 pm

2 stops29h 15m

Monrovia Roberts Intl

Sat 10/11

7:30 am-11:59 pm

3 stops20h 29m

$1,543

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Fri 9/12

9:59 am-5:40 pm

3 stops27h 41m

Monrovia Roberts Intl

Wed 1/7

7:00 pm-11:21 am

3 stops45h 21m

$1,938

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 August, then September is your next best option. Flight prices from Boston to Monrovia during September average around $1,463.

What is the cheapest day to depart on your flight to Monrovia?

The cheapest day to depart from Boston to Monrovia is on a Tuesday when prices can be found for as low as $1,801. On the other hand, Saturday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,919.

What is the cheapest time of day to depart on your flight to Monrovia?

The cheapest time of day to fly to Monrovia is at noon when flights can be purchased for as low as $1,642. Try not to purchase tickets in the morning because they tend to be around $1,938. Of course, these prices can vary depending on the time of year and what airport you fly to.

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	$815
Fastest flight time	22h 00m
Direct flights	None
Airports in Monrovia	1 airport

The best one-way flight to Monrovia from Boston in the past 72 hours is $815. The best round-trip flight deal from Boston to Monrovia found on momondo in the last 72 hours is $1,103.

The fastest flight from Boston to Monrovia takes 22h 00m

There are no direct flights from Boston to Monrovia. Popular non-direct route for this connection is Boston Logan Intl Airport - Monrovia Roberts Intl Airport.

There is 1 airport near Monrovia: Monrovia Roberts Intl (ROB)

Search flight deals

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 22h 45m.
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 5 as of July 2025.
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 Ethiopian Air, making up 53% of the total bookings. Other popular airlines include Brussels Airlines with 30%, British Airways with 7%, and United Airlines with 7%.

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 $962	Free Cancellation	Rating 7.2 350 reviews	Search Brussels Airlines flights
United Airlines	PriceFrom $1,035	Free Cancellation	Rating 7.4 8,896 reviews	Search United Airlines flights
Ethiopian Air	PriceFrom $1,285	Free Cancellation	Rating 7.2 803 reviews	Search Ethiopian Air flights
Kenya Airways	PriceFrom $1,355	Free Cancellation	Rating 6.9 274 reviews	Search Kenya Airways flights
British Airways	PriceFrom $1,592	Free Cancellation	Rating 6.6 7,217 reviews	Search British Airways 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Mon 8/4

Mon 8/11

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Liberia

Fly your favorite airline to Monrovia

Cheap flights from Boston to Monrovia from $815

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 8/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Boston to Monrovia

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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

momondo Fare Finder

Use the filters below to find and compare flights from Boston to Monrovia that are best for you.

See travel insights to Monrovia from

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

What is the cheapest month to fly to Monrovia?

If you’re not able to fly to Monrovia in August, then September is your next best option. Flight prices from Boston to Monrovia during September average around $1,463.

What is the cheapest day to depart on your flight to Monrovia?

What is the cheapest time of day to depart on your flight to Monrovia?

The cheapest time of day to fly to Monrovia is at noon when flights can be purchased for as low as $1,642. Try not to purchase tickets in the morning because they tend to be around $1,938. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

SWISS, Brussels Airlines, and American Airlines are the most popular carriers operating 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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Monrovia

How far is Boston Logan Intl to Monrovia Roberts Intl by plane?

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

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

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

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

What is the most popular airline 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?

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

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

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

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

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