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Cheap flights from Boston to Monrovia from $1,229

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 12/1. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:59 am - 9:15 pmBOS-ROB
28h 16m3 stops
United Airlines Logo
10:45 pm - 6:33 pmROB-BOS
24h 48m2 stops
$1,229United Airlines
Find Deal
Mon, Dec 1 - Wed, Dec 10
United Airlines Logo
11:59 am - 9:15 pmBOS-ROB
28h 16m3 stops
United Airlines Logo
10:45 pm - 6:48 pmROB-BOS
25h 03m3 stops
$1,308United Airlines
Find Deal
Mon, Dec 1 - Wed, Dec 10
Ethiopian Air Logo
5:45 am - 2:45 pmBOS-ROB
28h 00m2 stops
Ethiopian Air Logo
7:30 am - 11:49 pmROB-BOS
21h 19m3 stops
$1,427Ethiopian Air
Find Deal
Sat, Feb 7 - Wed, Feb 11
British Airways Logo
7:15 pm - 4:35 amBOS-ROB
28h 20m2 stops
British Airways Logo
3:05 am - 9:55 pmROB-BOS
23h 50m2 stops
$1,462British Airways
Find Deal
Wed, Dec 31 - Thu, Jan 29
SWISS Logo
10:10 pm - 9:15 pmBOS-ROB
42h 05m3 stops
SWISS Logo
9:10 pm - 3:30 pmROB-BOS
46h 20m2 stops
$1,504SWISS
Find Deal
Mon, Dec 8 - Fri, Apr 17
Ethiopian Air Logo
5:45 am - 5:50 pmBOS-ROB
31h 05m3 stops
Ethiopian Air Logo
7:30 am - 11:49 pmROB-BOS
21h 19m3 stops
$1,516Ethiopian Air
Find Deal
Sat, Feb 7 - Wed, Feb 11
Ethiopian Air Logo
5:35 am - 5:50 pmBOS-ROB
31h 15m3 stops
Ethiopian Air Logo
11:05 am - 8:15 pmROB-BOS
37h 10m3 stops
$1,522Ethiopian Air
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Thu, Feb 12 - Thu, Mar 19
British Airways Logo
9:37 am - 4:35 amBOS-ROB
37h 58m3 stops
British Airways Logo
3:05 am - 9:55 pmROB-BOS
23h 50m2 stops
$1,546British Airways
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Wed, Dec 31 - Thu, Jan 29
SWISS Logo
10:10 pm - 9:15 pmBOS-ROB
42h 05m3 stops
SWISS Logo
9:10 pm - 3:30 pmROB-BOS
22h 20m2 stops
$1,547SWISS
Find Deal
Mon, Dec 8 - Wed, Apr 15
Multiple Airlines Logo
4:20 pm - 9:15 pmBOS-ROB
23h 55m3 stops
Multiple Airlines Logo
9:10 pm - 3:30 pmROB-BOS
22h 20m2 stops
$1,552Multiple Airlines
Find Deal
Tue, Dec 9 - Wed, Apr 15

Ethiopian Air flights from Boston to Monrovia

Our best Ethiopian Air deals on Boston to Monrovia flight tickets
Ethiopian Air
Feb 7
BOS5:45 amBoston Logan Intl
28h 00m
2 stops
ROB2:45 pmMonrovia Roberts Intl
Feb 11
ROB7:30 amMonrovia Roberts Intl
21h 19m
3 stops
BOS11:49 pmBoston Logan Intl
$1,427
Find similar
Ethiopian Air
Feb 7
BOS5:45 amBoston Logan Intl
31h 05m
3 stops
ROB5:50 pmMonrovia Roberts Intl
Feb 11
ROB7:30 amMonrovia Roberts Intl
21h 19m
3 stops
BOS11:49 pmBoston Logan Intl
$1,516
Find similar
Ethiopian Air
Feb 12
BOS5:35 amBoston Logan Intl
31h 15m
3 stops
ROB5:50 pmMonrovia Roberts Intl
Mar 19
ROB11:05 amMonrovia Roberts Intl
37h 10m
3 stops
BOS8:15 pmBoston Logan Intl
$1,522
Find similar

SWISS flights from Boston to Monrovia

Our best SWISS deals on Boston to Monrovia flight tickets
SWISS
Dec 8
BOS10:10 pmBoston Logan Intl
42h 05m
3 stops
ROB9:15 pmMonrovia Roberts Intl
Apr 17
ROB9:10 pmMonrovia Roberts Intl
46h 20m
2 stops
BOS3:30 pmBoston Logan Intl
$1,504
Find similar
SWISS
Dec 8
BOS10:10 pmBoston Logan Intl
42h 05m
3 stops
ROB9:15 pmMonrovia Roberts Intl
Apr 15
ROB9:10 pmMonrovia Roberts Intl
22h 20m
2 stops
BOS3:30 pmBoston Logan Intl
$1,547
Find similar
SWISS
Dec 8
BOS10:10 pmBoston Logan Intl
42h 05m
3 stops
ROB9:15 pmMonrovia Roberts Intl
Apr 14
ROB9:10 pmMonrovia Roberts Intl
50h 45m
2 stops
BOS7:55 pmBoston Logan Intl
$1,573
Find similar

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 November 13, 2025.
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

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Mon 12/1

11:59 am-9:15 pm

3 stops28h 16m

Monrovia Roberts Intl

Wed 12/10

10:45 pm-6:33 pm

2 stops24h 48m

$1,229

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Mon 12/1

11:59 am-9:15 pm

3 stops28h 16m

Monrovia Roberts Intl

Wed 12/10

10:45 pm-6:48 pm

3 stops25h 03m

$1,308

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Sat 2/7

5:45 am-2:45 pm

2 stops28h 00m

Monrovia Roberts Intl

Wed 2/11

7:30 am-11:49 pm

3 stops21h 19m

$1,427

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Wed 12/31

7:15 pm-4:35 am

2 stops28h 20m

Monrovia Roberts Intl

Thu 1/29

3:05 am-9:55 pm

2 stops23h 50m

$1,462

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Mon 12/8

10:10 pm-9:15 pm

3 stops42h 05m

Monrovia Roberts Intl

Fri 4/17

9:10 pm-3:30 pm

2 stops46h 20m

$1,504

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Sat 2/7

5:45 am-5:50 pm

3 stops31h 05m

Monrovia Roberts Intl

Wed 2/11

7:30 am-11:49 pm

3 stops21h 19m

$1,516

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Thu 2/12

5:35 am-5:50 pm

3 stops31h 15m

Monrovia Roberts Intl

Thu 3/19

11:05 am-8:15 pm

3 stops37h 10m

$1,522

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Wed 12/31

9:37 am-4:35 am

3 stops37h 58m

Monrovia Roberts Intl

Thu 1/29

3:05 am-9:55 pm

2 stops23h 50m

$1,546

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Mon 12/8

10:10 pm-9:15 pm

3 stops42h 05m

Monrovia Roberts Intl

Wed 4/15

9:10 pm-3:30 pm

2 stops22h 20m

$1,547

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Tue 12/9

4:20 pm-9:15 pm

3 stops23h 55m

Monrovia Roberts Intl

Wed 4/15

9:10 pm-3:30 pm

2 stops22h 20m

$1,552

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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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 November is your next best option. Flight prices from Boston to Monrovia during November average around $1,244.

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.

How far in advance should I book a flight to Monrovia?

You are more likely to see cheaper flights to Monrovia from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Monrovia for around $1,561 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Monrovia from Boston for as low as $962 on momondo.

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

Direct flights

None
There are no direct flights from Boston to Monrovia. There are no popular flight routes from Boston to Monrovia.
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 19h 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 $962Free CancellationRating
7.2
369 reviews
Search Brussels Airlines flights
United AirlinesPriceFrom $1,035Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights
Ethiopian AirPriceFrom $1,304Free CancellationRating
7.2
894 reviews
Search Ethiopian Air flights
Kenya AirwaysPriceFrom $1,355Free CancellationRating
6.8
286 reviews
Search Kenya 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.

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