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Monrovia

$112+ Cheap flights from Boston (BOS) to Monrovia, CA, CA

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LAX
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Monrovia are usually found in September or January, booked 61 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Boston to Monrovia

Keep the following information in mind while searching for Boston to Monrovia flight deals. Data was last updated November 10, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$215
(Kiwi.com)

One-way from

$112
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$385
Provider with most accurate pricing for Boston Logan Intl-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Los Angeles flights.
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From Boston Logan Intl to Monrovia
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One-way flight from Boston Logan Intl to Monrovia
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Highest demand for flights based on searches. 4% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Boston to Monrovia

Cheapest flights from Boston to Monrovia
Explore the most affordable flight options available from Boston to Monrovia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2025.

This Mytrip deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/239:54 pmBOS - LAX
1 stop14h 16mSpirit Airlines
Tue 12/211:44 pmLAX - BOS
2 stops18h 05mSpirit Airlines
Deal found 11/9$215
This Kiwi.com deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:54 pmBOS - LAX
2 stops24h 58mMultiple Airlines
Sat 12/1310:39 pmLAX - BOS
1 stop8h 43mMultiple Airlines
Deal found 11/10$216
This JetBlue deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:45 pmBOS - LAX
Nonstop6h 34mJetBlue
Fri 12/128:40 pmLAX - BOS
Nonstop5h 22mJetBlue
Deal found 11/10$217
This Kiwi.com deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:54 pmBOS - LAX
1 stop18h 17mMultiple Airlines
Wed 12/1010:39 pmLAX - BOS
1 stop8h 43mMultiple Airlines
Deal found 11/9$218
This Delta deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/65:45 pmBOS - LAX
Nonstop6h 40mDelta
Sat 12/139:00 pmLAX - BOS
Nonstop5h 27mDelta
Deal found 11/10$219
This Kiwi.com deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/249:54 pmBOS - LAX
1 stop14h 16mSpirit Airlines
Thu 11/275:45 amLAX - BOS
1 stop12h 04mSpirit Airlines
Deal found 11/9$220
This Cheapflightsfares deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/209:54 pmBOS - LAX
1 stop14h 16mSpirit Airlines
Thu 11/275:45 amLAX - BOS
1 stop12h 04mSpirit Airlines
Deal found 11/9$221
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/178:30 amBOS - LAX
Nonstop6h 35mUnited Airlines
Wed 12/38:24 amLAX - BOS
Nonstop5h 30mUnited Airlines
Deal found 11/9$222
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/44:40 pmBOS - LAX
1 stop9h 40mUnited Airlines
Wed 12/1010:55 pmLAX - BOS
Nonstop5h 31mUnited Airlines
Deal found 11/9$223
This Kiwi.com deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:28 amBOS - LAX
1 stop28h 43mMultiple Airlines
Fri 12/510:39 pmLAX - BOS
2 stops22h 17mMultiple Airlines
Deal found 11/10$224
This Kiwi.com deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:44 pmBOS - LAX
1 stop23h 26mMultiple Airlines
Fri 12/121:42 pmLAX - BOS
2 stops17h 19mMultiple Airlines
Deal found 11/10$225
This Kiwi.com deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/249:54 pmBOS - LAX
1 stop14h 16mSpirit Airlines
Wed 12/35:45 amLAX - BOS
1 stop12h 04mSpirit Airlines
Deal found 11/9$226

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated November 10, 2025.
Use the filters below to find and compare flights from Boston to Monrovia that are best for you.

Fly from

Boston

Fly to

Monrovia

Route

Depart

Return

Price

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Sat 12/6

6:13 pm-9:50 pm

Nonstop6h 37m

Los Angeles

Tue 12/9

8:24 am-4:54 pm

Nonstop5h 30m

$217

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Sat 12/6

5:45 pm-9:25 pm

Nonstop6h 40m

Los Angeles

Sat 12/13

1:00 pm-9:27 pm

Nonstop5h 27m

$217

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 12/10

8:30 am-12:05 pm

Nonstop6h 35m

Los Angeles

Sun 12/14

8:24 am-4:54 pm

Nonstop5h 30m

$217

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Thu 1/8

8:25 am-12:03 pm

Nonstop6h 38m

Los Angeles

Sun 1/11

10:50 pm-7:21 am

Nonstop5h 31m

$217

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Thu 1/15

8:25 am-12:03 pm

Nonstop6h 38m

Los Angeles

Tue 1/20

12:30 am-12:46 pm

1 stop9h 16m

$223

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Sat 1/31

6:17 pm-9:55 pm

Nonstop6h 38m

Los Angeles

Fri 2/6

12:30 am-12:46 pm

1 stop9h 16m

$223

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Sun 1/11

5:20 am-10:45 am

1 stop8h 25m

Los Angeles

Sat 1/17

11:15 am-10:05 pm

1 stop7h 50m

$224

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Mon 12/8

8:30 am-12:05 pm

Nonstop6h 35m

Los Angeles

Sun 12/14

12:25 am-10:49 am

1 stop7h 24m

$227

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Fri 2/6

6:00 am-11:45 am

1 stop8h 45m

Los Angeles

Sun 2/8

8:20 am-4:52 pm

Nonstop5h 32m

$227

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Fri 12/5

4:40 pm-11:59 pm

1 stop10h 19m

Los Angeles

Thu 12/11

11:25 am-11:59 pm

1 stop9h 34m

$246

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from Boston to Monrovia

Have a flexible travel schedule? Discover the best time to fly to Monrovia from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Monrovia

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Monrovia. Price data was last updated on November 7, 2025.

The best time to book flights from Boston to Monrovia is 61 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Boston to Monrovia?

Currently, August is the cheapest month in which you can book a flight from Boston to Monrovia (average of $115). Flying from Boston to Monrovia in April is currently the most expensive (average of $173). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to MR9?

Find hourly flight availability from Boston to Monrovia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 10, 2025.

One of the essential ways to save on airfare from Boston to Monrovia is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 23% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Boston to Monrovia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to Monrovia flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boston to Monrovia

Explore weekly flight availability from Boston to Monrovia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 10, 2025.

The most flights from BOS to MR9 are scheduled on a Sunday (56 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (38 on average).

How much does it cost to fly round-trip from Boston to Monrovia?

Reviews of airlines servicing Monrovia

Get insights into the airlines that provide service to Monrovia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Monrovia. Reviews last updated November 10, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Boston to Monrovia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
9,012 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
11,045 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
JetBlue
7.2
Good
2,908 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Spirit Airlines
6.3
Okay
8,136 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Boston to Monrovia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to Monrovia?

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Boston to Monrovia. 10 airlines have flights from Logan Intl to Monrovia on a regular basis. Booking flights from Boston Logan Intl to Monrovia should not be difficult; the airport handles an average of 48 outbound flights to Monrovia per day.

  • How popular is this Boston to Monrovia flight route?

    The Boston Logan Intl to Monrovia flight path was viewed by 97 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Boston to Monrovia?

    United Airlines and Delta can get you from Boston to Monrovia in just under 6h 37m. Your travel time will be generally consistent. There are 2603 mi between Boston and Monrovia. Most flights are nonstop.

  • What are the most reliable airlines from Boston to Monrovia?

    Before booking your flight to Monrovia from Boston, check out the most reliable airlines to get you to your destination on time: KLM (92%), Icelandair (90%), Air China( 90%).

  • What are the cheapest flights from Boston to Monrovia?

    Looking at all options, your cheapest flight can be booked for $108. While the most popular route (Boston Logan Intl - Los Angeles) can be booked for $141 on average, our data indicates $1,073 when flying from Boston to Monrovia.

  • Can I find deals for flights from Boston to Monrovia that include hotel bookings?

    Yes. In addition to deals on Boston to Monrovia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Monrovia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Monrovia.

  • Can I find deals for business class flights from Boston to Monrovia?

    Yes. Cheapflights offers flight deals from Boston to Monrovia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Monrovia?

    Currently, August is the cheapest month in which you can book a flight from Boston to Monrovia (average of $115). Flying from Boston to Monrovia in April is currently the most expensive (average of $173). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 10 airlines flying from Boston to Monrovia

Discover the top 10 airlines that operate flights from Boston to Monrovia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$88Average$172FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$90Average$208FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$107Average$256FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$108Average$345FlexibilityNo cancel feeOn-time62%
DeltaCheapest$129Average$422FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$184Average$381FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$187Average$397FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$197Average$456FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$217Average$426FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$259Average$421FlexibilityNo cancel feeOn-time71%

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