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Cheap flights from Boston to Monrovia from $770

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 10/1. 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

Multiple Airlines Logo
6:30 pm - 7:50 pmBOS-ROB
45h 20m3 stops
Multiple Airlines Logo
10:45 pm - 7:12 pmROB-BOS
24h 27m2 stops
$1,215Multiple Airlines
Find Deal
Sun, Oct 19 - Wed, Oct 29
United Airlines Logo
5:30 am - 7:50 pmBOS-ROB
34h 20m3 stops
United Airlines Logo
9:10 pm - 5:51 pmROB-BOS
24h 41m2 stops
$1,229United Airlines
Find Deal
Mon, Oct 13 - Wed, Oct 22
SWISS Logo
9:40 pm - 7:50 pmBOS-ROB
42h 10m3 stops
SWISS Logo
9:10 pm - 3:25 pmROB-BOS
46h 15m2 stops
$1,260SWISS
Find Deal
Sun, Oct 12 - Wed, Oct 22
United Airlines Logo
3:17 pm - 7:50 pmBOS-ROB
24h 33m3 stops
United Airlines Logo
10:45 pm - 6:15 pmROB-BOS
23h 30m2 stops
$1,279United Airlines
Find Deal
Mon, Oct 20 - Sat, Nov 1
Brussels Airlines Logo
5:20 pm - 6:45 pmBOS-ROB
21h 25m2 stops
Brussels Airlines Logo
10:45 pm - 2:52 pmROB-BOS
21h 07m2 stops
$1,287Brussels Airlines
Find Deal
Thu, Oct 30 - Wed, Nov 5
Ethiopian Air Logo
5:30 am - 2:45 pmBOS-ROB
29h 15m2 stops
Ethiopian Air Logo
11:05 am - 11:42 pmROB-BOS
40h 37m3 stops
$1,289Ethiopian Air
Find Deal
Fri, Oct 17 - Tue, Oct 28
Ethiopian Air Logo
2:00 pm - 2:45 pmBOS-ROB
44h 45m2 stops
Ethiopian Air Logo
11:05 am - 10:46 pmROB-BOS
39h 41m3 stops
$1,303Ethiopian Air
Find Deal
Thu, Oct 16 - Thu, Oct 23
SWISS Logo
5:05 pm - 7:50 pmBOS-ROB
22h 45m3 stops
SWISS Logo
10:45 pm - 9:20 pmROB-BOS
50h 35m2 stops
$1,310SWISS
Find Deal
Sat, Oct 11 - Sun, Oct 26
Brussels Airlines Logo
8:05 pm - 7:50 pmBOS-ROB
43h 45m3 stops
Brussels Airlines Logo
10:45 pm - 7:35 pmROB-BOS
24h 50m2 stops
$1,329Brussels Airlines
Find Deal
Sun, Oct 19 - Sat, Nov 1
Kenya Airways Logo
9:59 am - 5:40 pmBOS-ROB
27h 41m3 stops
Kenya Airways Logo
6:40 pm - 11:09 amROB-BOS
44h 29m3 stops
$1,561Kenya Airways
Find Deal
Sun, Oct 12 - Wed, Oct 22

Brussels Airlines flights from Boston to Monrovia

Our best Brussels Airlines deals on Boston to Monrovia flight tickets
Brussels Airlines
Oct 30
BOS5:20 pmBoston Logan Intl
21h 25m
2 stops
ROB6:45 pmMonrovia Roberts Intl
Nov 5
ROB10:45 pmMonrovia Roberts Intl
21h 07m
2 stops
BOS2:52 pmBoston Logan Intl
$1,287
Find similar
Brussels Airlines
Sep 23
BOS3:15 pmBoston Logan Intl
24h 35m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Oct 21
ROB9:10 pmMonrovia Roberts Intl
21h 20m
2 stops
BOS2:30 pmBoston Logan Intl
$1,292
Find similar
Brussels Airlines
Sep 23
BOS3:15 pmBoston Logan Intl
24h 35m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Oct 19
ROB9:10 pmMonrovia Roberts Intl
48h 30m
2 stops
BOS5:40 pmBoston Logan Intl
$1,320
Find similar

United Airlines flights from Boston to Monrovia

Our best United Airlines deals on Boston to Monrovia flight tickets
United Airlines
Oct 13
BOS5:30 amBoston Logan Intl
34h 20m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Oct 22
ROB9:10 pmMonrovia Roberts Intl
24h 41m
2 stops
BOS5:51 pmBoston Logan Intl
$1,229
Find similar
United Airlines
Oct 20
BOS3:17 pmBoston Logan Intl
24h 33m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Nov 1
ROB10:45 pmMonrovia Roberts Intl
23h 30m
2 stops
BOS6:15 pmBoston Logan Intl
$1,279
Find similar
United Airlines
Sep 23
BOS5:30 amBoston Logan Intl
34h 20m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Oct 22
ROB9:10 pmMonrovia Roberts Intl
26h 21m
2 stops
BOS7:31 pmBoston Logan Intl
$1,330
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 September 17, 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

Sun 10/19

6:30 pm-7:50 pm

3 stops45h 20m

Monrovia Roberts Intl

Wed 10/29

10:45 pm-7:12 pm

2 stops24h 27m

$1,215

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Mon 10/13

5:30 am-7:50 pm

3 stops34h 20m

Monrovia Roberts Intl

Wed 10/22

9:10 pm-5:51 pm

2 stops24h 41m

$1,229

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Sun 10/12

9:40 pm-7:50 pm

3 stops42h 10m

Monrovia Roberts Intl

Wed 10/22

9:10 pm-3:25 pm

2 stops46h 15m

$1,260

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Mon 10/20

3:17 pm-7:50 pm

3 stops24h 33m

Monrovia Roberts Intl

Sat 11/1

10:45 pm-6:15 pm

2 stops23h 30m

$1,279

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Thu 10/30

5:20 pm-6:45 pm

2 stops21h 25m

Monrovia Roberts Intl

Wed 11/5

10:45 pm-2:52 pm

2 stops21h 07m

$1,287

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Fri 10/17

5:30 am-2:45 pm

2 stops29h 15m

Monrovia Roberts Intl

Tue 10/28

11:05 am-11:42 pm

3 stops40h 37m

$1,289

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Thu 10/16

2:00 pm-2:45 pm

2 stops44h 45m

Monrovia Roberts Intl

Thu 10/23

11:05 am-10:46 pm

3 stops39h 41m

$1,303

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Sat 10/11

5:05 pm-7:50 pm

3 stops22h 45m

Monrovia Roberts Intl

Sun 10/26

10:45 pm-9:20 pm

2 stops50h 35m

$1,310

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Sun 10/19

8:05 pm-7:50 pm

3 stops43h 45m

Monrovia Roberts Intl

Sat 11/1

10:45 pm-7:35 pm

2 stops24h 50m

$1,329

BostonMonrovia

BOS - ROB

BOSROB

Boston Logan Intl

Sun 10/12

9:59 am-5:40 pm

3 stops27h 41m

Monrovia Roberts Intl

Wed 10/22

6:40 pm-11:09 am

3 stops44h 29m

$1,561

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 September is your next best option. Flight prices from Boston to Monrovia during September average around $1,321.

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 $1,594 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 21h 25m.

  • 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
359 reviews
Search Brussels Airlines flights
United AirlinesPriceFrom $1,035Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
Ethiopian AirPriceFrom $1,285Free CancellationRating
7.2
862 reviews
Search Ethiopian Air flights
Kenya AirwaysPriceFrom $1,355Free CancellationRating
6.9
281 reviews
Search Kenya Airways flights
British AirwaysPriceFrom $1,747Free CancellationRating
6.7
7,367 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.

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