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Cheap flights from Boston to Monrovia from $1,507

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Monrovia departing on 12/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Monrovia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Ethiopian Air Logo
6:00 am - 2:45 pm
BOS
-
ROB
27h 45m
2 stops
Ethiopian Air Logo
7:30 am - 11:17 pm
ROB
-
BOS
20h 47m
3 stops
$1,507Ethiopian Air
Tue, Dec 8 - Thu, Dec 31
Ethiopian Air Logo
6:00 am - 2:45 pm
BOS
-
ROB
27h 45m
2 stops
Ethiopian Air Logo
7:30 am - 11:17 pm
ROB
-
BOS
20h 47m
3 stops
$1,516Ethiopian Air
Tue, Dec 8 - Thu, Dec 31
Ethiopian Air Logo
6:00 am - 2:45 pm
BOS
-
ROB
27h 45m
2 stops
Ethiopian Air Logo
7:30 am - 11:17 pm
ROB
-
BOS
20h 47m
3 stops
$1,518Ethiopian Air
Tue, Dec 8 - Thu, Dec 31
Ethiopian Air Logo
2:28 pm - 2:45 pm
BOS
-
ROB
44h 17m
2 stops
Ethiopian Air Logo
7:30 am - 12:43 pm
ROB
-
BOS
33h 13m
3 stops
$1,523Ethiopian Air
Thu, Sep 10 - Sun, Sep 27
Ethiopian Air Logo
9:33 am - 5:50 pm
BOS
-
ROB
28h 17m
3 stops
Ethiopian Air Logo
7:30 am - 12:43 pm
ROB
-
BOS
33h 13m
3 stops
$1,532Ethiopian Air
Thu, Sep 10 - Sun, Sep 27
Ethiopian Air Logo
12:30 pm - 5:50 pm
BOS
-
ROB
24h 20m
3 stops
Ethiopian Air Logo
7:30 am - 10:39 am
ROB
-
BOS
32h 09m
3 stops
$1,541Ethiopian Air
Thu, Dec 3 - Thu, Jan 7
Multiple Airlines Logo
9:15 pm - 5:50 pm
BOS
-
ROB
40h 35m
3 stops
Multiple Airlines Logo
6:50 pm - 11:33 am
ROB
-
BOS
44h 43m
3 stops
$1,546Multiple Airlines
Thu, Aug 27 - Wed, Sep 2
Multiple Airlines Logo
3:35 pm - 7:50 pm
BOS
-
ROB
24h 15m
3 stops
Multiple Airlines Logo
9:10 pm - 6:22 pm
ROB
-
BOS
25h 12m
2 stops
$1,555Multiple Airlines
Thu, Aug 27 - Wed, Sep 2
Multiple Airlines Logo
12:27 pm - 7:50 pm
BOS
-
ROB
27h 23m
3 stops
Multiple Airlines Logo
9:10 pm - 5:52 pm
ROB
-
BOS
24h 42m
2 stops
$1,558Multiple Airlines
Thu, Aug 27 - Wed, Sep 2
Multiple Airlines Logo
12:27 pm - 7:50 pm
BOS
-
ROB
27h 23m
3 stops
Multiple Airlines Logo
9:10 pm - 5:52 pm
ROB
-
BOS
24h 42m
2 stops
$1,559Multiple Airlines
Thu, Aug 27 - Wed, Sep 2

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Ethiopian Air flights from Boston to Monrovia

Our best Ethiopian Air deals on Boston to Monrovia flight tickets
Ethiopian Air
Dec 8
BOS6:00 amBoston Logan Intl
27h 45m
2 stops
ROB2:45 pmMonrovia Roberts Intl
Dec 31
ROB7:30 amMonrovia Roberts Intl
20h 47m
3 stops
BOS11:17 pmBoston Logan Intl
$1,507
Ethiopian Air
Dec 8
BOS6:00 amBoston Logan Intl
27h 45m
2 stops
ROB2:45 pmMonrovia Roberts Intl
Dec 31
ROB7:30 amMonrovia Roberts Intl
20h 47m
3 stops
BOS11:17 pmBoston Logan Intl
$1,516
Ethiopian Air
Dec 8
BOS6:00 amBoston Logan Intl
27h 45m
2 stops
ROB2:45 pmMonrovia Roberts Intl
Dec 31
ROB7:30 amMonrovia Roberts Intl
20h 47m
3 stops
BOS11:17 pmBoston Logan Intl
$1,518

Brussels Airlines flights from Boston to Monrovia

Our best Brussels Airlines deals on Boston to Monrovia flight tickets
Brussels Airlines
Aug 27
BOS3:35 pmBoston Logan Intl
24h 15m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Sep 2
ROB9:10 pmMonrovia Roberts Intl
26h 09m
2 stops
BOS7:19 pmBoston Logan Intl
$1,564
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
27h 15m
3 stops
BOS6:35 pmBoston Logan Intl
$1,773
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
27h 15m
3 stops
BOS6:35 pmBoston Logan Intl
$1,807

momondo 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, momondo users made 832,500 searches. Data last updated July 3, 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

Price

Cheapest round-trip
Quickest round-trip

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Tue 12/8

6:00 am-2:45 pm

2 stops27h 45m

Monrovia Roberts Intl

Thu 12/31

7:30 am-11:17 pm

3 stops20h 47m

$1,507

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Tue 12/8

6:00 am-2:45 pm

2 stops27h 45m

Monrovia Roberts Intl

Thu 12/31

7:30 am-11:17 pm

3 stops20h 47m

$1,516

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Tue 12/8

6:00 am-2:45 pm

2 stops27h 45m

Monrovia Roberts Intl

Thu 12/31

7:30 am-11:17 pm

3 stops20h 47m

$1,518

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Thu 9/10

2:28 pm-2:45 pm

2 stops44h 17m

Monrovia Roberts Intl

Sun 9/27

7:30 am-12:43 pm

3 stops33h 13m

$1,523

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Thu 9/10

9:33 am-5:50 pm

3 stops28h 17m

Monrovia Roberts Intl

Sun 9/27

7:30 am-12:43 pm

3 stops33h 13m

$1,532

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Thu 12/3

12:30 pm-5:50 pm

3 stops24h 20m

Monrovia Roberts Intl

Thu 1/7

7:30 am-10:39 am

3 stops32h 09m

$1,541

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Thu 8/27

9:15 pm-5:50 pm

3 stops40h 35m

Monrovia Roberts Intl

Wed 9/2

6:50 pm-11:33 am

3 stops44h 43m

$1,546

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Thu 8/27

3:35 pm-7:50 pm

3 stops24h 15m

Monrovia Roberts Intl

Wed 9/2

9:10 pm-6:22 pm

2 stops25h 12m

$1,555

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Thu 8/27

12:27 pm-7:50 pm

3 stops27h 23m

Monrovia Roberts Intl

Wed 9/2

9:10 pm-5:52 pm

2 stops24h 42m

$1,558

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Thu 8/27

12:27 pm-7:50 pm

3 stops27h 23m

Monrovia Roberts Intl

Wed 9/2

9:10 pm-5:52 pm

2 stops24h 42m

$1,559

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 typical price of a round-trip flight between Boston and Monrovia?

What is the cheapest month to fly to Monrovia?

If you’re not able to fly to Monrovia in August, then November is your next best option. Flight prices from Boston to Monrovia during November average around $1,244.

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

Fastest flight time

27h 45m

Direct flights

None
The fastest flight from Boston to Monrovia takes 27h 45m
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 27h 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?

  • 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?

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 AirlinesPriceFrom $1,026Free CancellationRating
7.2
420 reviews
Search Brussels Airlines flights
United AirlinesPriceFrom $1,035Free CancellationRating
7.4
9,929 reviews
Search United Airlines flights
SWISSPriceFrom $1,191Free CancellationRating
7.5
1,986 reviews
Search SWISS flights
Ethiopian AirPriceFrom $1,308Free CancellationRating
7.2
1,008 reviews
Search Ethiopian Air flights
American AirlinesPriceFrom $1,547Free CancellationRating
7.1
11,766 reviews
Search American Airlines 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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Fly your favorite airline to Monrovia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Brussels Airlines
United Airlines
Ethiopian Air
SWISS
American Airlines