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Monrovia

$119+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LAX
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 Thursday or Wednesday and return on a Wednesday

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 September 17, 2025.

Round-trip from

$202
(United Airlines)

One-way from

$119
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$301
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. 3% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 10/157:30 amBOS - LAX
Nonstop6h 11mUnited Airlines
Sat 10/1811:20 pmLAX - BOS
Nonstop5h 39mUnited Airlines
Deal found 9/16$202
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 9/305:50 amBOS - LAX
1 stop8h 20mSpirit Airlines
Mon 10/611:15 amLAX - BOS
1 stop9h 44mSpirit Airlines
Deal found 9/16$203
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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.
Sat 10/45:50 amBOS - LAX
1 stop8h 20mSpirit Airlines
Mon 10/611:15 amLAX - BOS
1 stop9h 44mSpirit Airlines
Deal found 9/16$204
This flygcity.se deal was found by Cheapflights users on 9/15. 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 flygcity.se is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:00 amBOS - LAX
Nonstop6h 15mJetBlue
Fri 10/3110:25 amLAX - BOS
Nonstop5h 24mJetBlue
Deal found 9/15$206
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/237:30 amBOS - LAX
Nonstop6h 11mUnited Airlines
Sun 10/2610:51 pmLAX - BOS
Nonstop5h 29mUnited Airlines
Deal found 9/16$207
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 9/3012:20 pmBOS - LAX
2 stops25h 36mSpirit Airlines
Fri 10/311:10 amLAX - BOS
1 stop9h 47mSpirit Airlines
Deal found 9/15$208
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Sat 10/412:20 pmBOS - LAX
1 stop22h 52mMultiple Airlines
Mon 10/612:09 amLAX - BOS
2 stops20h 50mMultiple Airlines
Deal found 9/15$211
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 10/148:00 amBOS - LAX
1 stop9h 27mUnited Airlines
Tue 10/218:29 amLAX - BOS
Nonstop5h 43mUnited Airlines
Deal found 9/16$212
This Booking.com deal was found by Cheapflights users on 9/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:28 amBOS - LAX
1 stop14h 08mMultiple Airlines
Fri 10/311:10 amLAX - BOS
1 stop9h 47mMultiple Airlines
Deal found 9/17$215

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 September 17, 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

Thu 10/23

8:46 am-12:20 pm

Nonstop6h 34m

Los Angeles

Fri 10/31

1:40 pm-10:05 pm

Nonstop5h 25m

$223

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 10/22

4:40 pm-8:07 pm

Nonstop6h 27m

Los Angeles

Tue 10/28

3:20 pm-11:44 pm

Nonstop5h 24m

$227

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Fri 10/31

6:10 pm-9:47 pm

Nonstop6h 37m

Los Angeles

Mon 11/3

12:25 am-10:34 am

1 stop7h 09m

$227

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 11/12

7:59 pm-11:32 pm

Nonstop6h 33m

Los Angeles

Wed 11/19

6:05 am-2:26 pm

Nonstop5h 21m

$227

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 10/15

7:30 am-10:41 am

Nonstop6h 11m

Los Angeles

Sat 10/18

11:20 pm-7:59 am

Nonstop5h 39m

$232

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 10/15

8:55 pm-12:17 am

Nonstop6h 22m

Los Angeles

Sat 10/25

3:30 pm-11:55 pm

Nonstop5h 25m

$232

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 10/15

7:30 am-10:41 am

Nonstop6h 11m

Los Angeles

Mon 10/20

11:20 pm-7:59 am

Nonstop5h 39m

$232

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 11/12

7:59 pm-11:32 pm

Nonstop6h 33m

Los Angeles

Fri 11/14

9:45 pm-6:16 am

Nonstop5h 31m

$232

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Thu 12/4

2:00 pm-5:31 pm

Nonstop6h 31m

Los Angeles

Tue 12/9

9:56 pm-6:25 am

Nonstop5h 29m

$232

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 11/12

7:59 pm-11:32 pm

Nonstop6h 33m

Los Angeles

Sat 11/15

9:45 pm-6:16 am

Nonstop5h 31m

$232

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 22 results
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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 September 12, 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, January is the cheapest month in which you can book a flight from Boston to Monrovia (average of $246). Flying from Boston to Monrovia in March is currently the most expensive (average of $325). 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 September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boston to Monrovia as you normally would.

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 Tuesday evenings when fares are most often at their lowest. Saturday 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 September 17, 2025.

The most flights from BOS to MR9 are scheduled on a Monday (57 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (24 on average).

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 September 17, 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
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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
2,914 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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
8,023 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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 46 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 103 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?

    JetBlue, Delta, and United Airlines can get you from Boston to Monrovia in just under 6h 27m. 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: China Eastern (90%), Icelandair (89%), Air China( 88%).

  • What are the cheapest flights from Boston to Monrovia?

    Looking at all options, your cheapest flight can be booked for $103. While the most popular route (Boston Logan Intl - Los Angeles) can be booked for $177 on average, our data indicates $998 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, January is the cheapest month in which you can book a flight from Boston to Monrovia (average of $246). Flying from Boston to Monrovia in March is currently the most expensive (average of $325). 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$71Average$178FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$88Average$205FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$107Average$254FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$118Average$352FlexibilityNo cancel feeOn-time62%
DeltaCheapest$129Average$410FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$187Average$397FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$206Average$430FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$206Average$424FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$222Average$447FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$252Average$425FlexibilityNo cancel feeOn-time71%

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