Cheap flights from Boston (BOS) to Monrovia (ROB) from $1,252

This is the cheapest one-way flight price, found on 9/20. Prices may vary by date and flight preferences.
BOS — ROB
Sep 26 — Oct 31

How to find the cheapest flight from Boston (BOS) to Monrovia (ROB)

All the information you need to plan the best BOS to ROB flight in 2023: compare Boston to Monrovia flight prices with the expected peak season, weather and rainfall in Monrovia.

Popular in

December

Cheapest in

August

Average price

$1,077

Round-trip from

$1,197
High demand for flights, 22% potential price rise
Best time to find cheap flights, 16% potential price drop
Average for round-trip flights in September 2023
From Boston Logan Intl to Monrovia Roberts Intl

BOS - ROB

Price

$1,197 - $2,652

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

Travelers have found it’s best to book a flight 55 days in advance to save up to 30% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 55 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Boston to Monrovia 1-2 weeks in advance for as low as $1,486, or $1,601 for flights within the next 24 hours.

What is the cheapest month to fly from Boston to Monrovia?

August can be a great time to fly to Monrovia from Boston with a flight ticket averaging about $1,271. Cheapflights users have found deals in the month of August for as cheap as $1,003. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from Boston to Monrovia (BOS - ROB)?

When flying from Boston to Monrovia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap United Airlines flights from Boston to Monrovia

Check out some of the cheapest United Airlines flights we've come across from Boston to Monrovia. It's recommended that users confirm their flight details before booking.

Cheap Brussels Airlines flights from Boston to Monrovia

Some of the best deals we've found on Brussels Airlines flights traveling from Boston to Monrovia. Deals frequently update to provide users with more options.

Cheap Boston to Monrovia flights in September & October 2023

The best prices found for BOS to ROB flights for September, October
These are some of the best deals we've found on flights to Monrovia in 2023 at this time. If these deals don't appeal to you, be sure to come back soon for more options.

Boston to Monrovia 2023 flight deals

Cheap flights to Monrovia from Boston found for this year
These are some of the best deals we've found on flights to Monrovia in 2023 at this time. If these deals don't appeal to you, be sure to come back soon for more options.

Find flights from Boston to Monrovia within your budget

Use the slider to find flights from Boston to Monrovia that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$1,252 - $2,014

Route

Depart

Return

Price

Boston Logan IntlMonrovia Roberts Intl

BOS - ROB

BOSROB

Boston Logan Intl

Sun 3/17

3 stops44h 50m

Monrovia Roberts Intl

Sun 3/31

2 stops41h 16m

Boston Logan IntlMonrovia Roberts Intl

BOS - ROB

BOSROB

Boston Logan Intl

Tue 3/12

3 stops22h 55m

Monrovia Roberts Intl

Tue 4/30

2 stops23h 25m

Boston Logan IntlMonrovia Roberts Intl

BOS - ROB

BOSROB

Boston Logan Intl

Mon 10/9

3 stops33h 20m

Monrovia Roberts Intl

Fri 10/20

2 stops49h 10m

Boston Logan IntlMonrovia Roberts Intl

BOS - ROB

BOSROB

Boston Logan Intl

Fri 10/20

3 stops42h 10m

Monrovia Roberts Intl

Tue 11/28

2 stops26h 05m

Boston Logan IntlMonrovia Roberts Intl

BOS - ROB

BOSROB

Boston Logan Intl

Fri 10/20

2 stops41h 20m

Monrovia Roberts Intl

Tue 11/28

2 stops25h 55m

Boston Logan IntlMonrovia Roberts Intl

BOS - ROB

BOSROB

Boston Logan Intl

Tue 3/12

2 stops22h 55m

Monrovia Roberts Intl

Tue 4/30

2 stops23h 25m

Boston Logan IntlMonrovia Roberts Intl

BOS - ROB

BOSROB

Boston Logan Intl

Mon 10/9

2 stops39h 25m

Monrovia Roberts Intl

Fri 10/20

2 stops37h 50m

Boston Logan IntlMonrovia Roberts Intl

BOS - ROB

BOSROB

Boston Logan Intl

Wed 10/11

3 stops41h 30m

Monrovia Roberts Intl

Fri 10/20

2 stops27h 25m

Boston Logan IntlMonrovia Roberts Intl

BOS - ROB

BOSROB

Boston Logan Intl

Fri 11/3

2 stops33h 18m

Monrovia Roberts Intl

Wed 1/3

2 stops35h 30m

Flights are sorted by cheapest first

Deals found on 9/20

Reviews of airlines servicing Monrovia

Get a feel of what it's like to fly with United Airlines, Brussels Airlines and SWISS from Boston to Monrovia by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
1,890 reviews

Crew

8.1

Food

6.7

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.0

Reviews

1 / 10

The flight to Denver was delayed for hours. Not cool. I ended up arriving in rapid city really late. That caused a lot of problems.

United Airlines
7.4
Good
1,890 reviews
United Airlines
7.4
Good
1,890 reviews

Crew

8.1

Food

6.7

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.0

Reviews

1 / 10

The flight to Denver was delayed for hours. Not cool. I ended up arriving in rapid city really late. That caused a lot of problems.

SWISS
7.4
Good
456 reviews
United Airlines
7.4
Good
1,890 reviews

Crew

8.1

Food

6.7

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.0

Reviews

1 / 10

The flight to Denver was delayed for hours. Not cool. I ended up arriving in rapid city really late. That caused a lot of problems.

Brussels Airlines
6.7
Okay
65 reviews
United Airlines
7.4
Good
1,890 reviews

Crew

8.1

Food

6.7

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.0

Reviews

1 / 10

The flight to Denver was delayed for hours. Not cool. I ended up arriving in rapid city really late. That caused a lot of problems.

Royal Air Maroc
6.4
Okay
126 reviews
United Airlines
7.4
Good
1,890 reviews

Crew

8.1

Food

6.7

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.0

Reviews

1 / 10

The flight to Denver was delayed for hours. Not cool. I ended up arriving in rapid city really late. That caused a lot of problems.

Related info for your journey

Useful info, stats and facts about Boston to Monrovia flights.

Can I find flights from Boston to Monrovia for under $1,300 on Cheapflights?

Yes, there are multiple flights from Boston to Monrovia for under $1,300. The cheapest flight booked recently is on United Airlines for just $1,252, but on average you can expect to pay $1,615.

How popular is this Boston to Monrovia flight route?

What are the cheapest airlines flying from Boston to Monrovia round-trip?

According to our current data, United Airlines ($1,252), Brussels Airlines ($1,336), and SWISS ($1,561) offers the cheapest pricing from Boston to Monrovia. United Airlines is 1% cheaper than the average price of flights available within the next 90 days to this destination.

What are the most popular airlines that fly from Boston to Monrovia?

What does BOS to ROB mean?

BOS and ROB are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. BOS to ROB refers to a flight route from Boston Logan Intl Airport to Monrovia Roberts Intl Airport.

Other flights from Boston

Flights to Monrovia from Boston

Top 3 airlines flying from Boston to Monrovia

The chart below displays the airlines Cheapflights users traveling from Boston to Monrovia choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$1,097Average$1,264FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
United AirlinesCheapest$1,206Average$1,479FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Ethiopian AirCheapest$1,624Average$2,390FlexibilityNo cancel feeOn-time72%
Search Ethiopian Air flights
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