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Monrovia

$109+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LAX
Feb 1 — Feb 81
Sun 2/1
Sun 2/8
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 Tuesday

Cheap 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 January 2, 2026.

This Priceline deal was found by Cheapflights users on 12/31. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:10 pmBOS - LAX
Nonstop6h 42mMultiple Airlines
Thu 1/811:59 pmLAX - BOS
1 stop9h 50mMultiple Airlines
Deal found 12/31$385
This American Airlines deal was found by Cheapflights users on 12/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:55 pmBOS - LAX
1 stop10h 01mAmerican Airlines
Thu 1/89:30 amLAX - BOS
Nonstop5h 26mAmerican Airlines
Deal found 12/30$392
This United Airlines deal was found by Cheapflights users on 12/31. 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 12/317:44 pmBOS - LAX
1 stop8h 15mUnited Airlines
Wed 1/712:30 amLAX - BOS
1 stop9h 16mUnited Airlines
Deal found 12/31$397
This Priceline deal was found by Cheapflights users on 12/31. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:10 pmBOS - LAX
Nonstop6h 42mJetBlue
Thu 1/81:59 pmLAX - BOS
Nonstop5h 26mJetBlue
Deal found 12/31$427
This Southwest deal was found by Cheapflights users on 12/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:35 pmBOS - LAX
2 stops10h 45mSouthwest
Thu 1/89:55 pmLAX - BOS
1 stop7h 55mSouthwest
Deal found 12/31$462
This Priceline deal was found by Cheapflights users on 12/31. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:10 pmBOS - LAX
Nonstop6h 42mJetBlue
Thu 1/110:15 pmLAX - BOS
Nonstop5h 23mJetBlue
Deal found 12/31$487
This United Airlines deal was found by Cheapflights users on 12/31. 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 12/314:28 pmBOS - LAX
1 stop10h 26mUnited Airlines
Sun 1/1112:30 amLAX - BOS
1 stop9h 16mUnited Airlines
Deal found 12/31$497
This American Airlines deal was found by Cheapflights users on 12/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:55 pmBOS - LAX
1 stop10h 01mAmerican Airlines
Wed 12/3112:50 amLAX - BOS
1 stop8h 52mAmerican Airlines
Deal found 12/30$501
This United Airlines deal was found by Cheapflights users on 12/31. 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 12/314:28 pmBOS - LAX
1 stop9h 32mUnited Airlines
Thu 1/17:00 amLAX - BOS
1 stop7h 17mUnited Airlines
Deal found 12/31$507
This United Airlines deal was found by Cheapflights users on 12/31. 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 12/317:44 pmBOS - LAX
1 stop8h 15mUnited Airlines
Sun 1/46:45 pmLAX - BOS
1 stop8h 13mUnited Airlines
Deal found 12/31$517

Find flight deals from Boston to Monrovia

Keep the following information in mind while searching for Boston to Monrovia flight deals. Data was last updated January 2, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$179
(Delta)

One-way from

$109
(Southwest)

Popular in

December

Cheapest in

September

Average price

$296
Provider with most accurate pricing for Boston Logan Intl-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Los Angeles flights.
Search Deals
From Boston Logan Intl to Monrovia
Search Deals
One-way flight from Boston Logan Intl to Monrovia
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 2, 2026.
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 1/31

5:30 pm-9:22 pm

Nonstop6h 52m

Los Angeles

Fri 2/6

1:00 pm-9:23 pm

Nonstop5h 23m

$179

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Fri 1/23

6:17 pm-9:55 pm

Nonstop6h 38m

Los Angeles

Mon 1/26

12:30 am-12:46 pm

1 stop9h 16m

$179

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Sun 2/1

5:30 pm-9:22 pm

Nonstop6h 52m

Los Angeles

Tue 2/17

9:10 pm-5:40 am

Nonstop5h 30m

$179

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 2/4

7:30 am-11:22 am

Nonstop6h 52m

Los Angeles

Tue 2/17

9:10 pm-5:40 am

Nonstop5h 30m

$179

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Thu 1/15

7:30 am-11:22 am

Nonstop6h 52m

Los Angeles

Thu 1/22

9:45 pm-6:14 am

Nonstop5h 29m

$187

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Thu 1/22

3:20 pm-9:10 pm

1 stop8h 50m

Los Angeles

Wed 1/28

12:30 pm-10:30 pm

1 stop7h 00m

$193

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 1/21

5:30 pm-9:22 pm

Nonstop6h 52m

Los Angeles

Mon 1/26

9:45 pm-6:14 am

Nonstop5h 29m

$193

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Mon 1/19

8:20 pm-11:56 pm

Nonstop6h 36m

Los Angeles

Wed 1/28

1:59 pm-10:25 pm

Nonstop5h 26m

$199

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Sun 1/18

5:50 am-11:45 am

1 stop8h 55m

Los Angeles

Sun 1/25

6:15 am-5:15 pm

1 stop8h 00m

$199

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Sun 2/1

8:25 am-12:03 pm

Nonstop6h 38m

Los Angeles

Tue 2/10

11:02 am-11:46 pm

1 stop9h 44m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/30

Showing 1-10 of 24 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 December 26, 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 December is currently the most expensive (average of $179). 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 January 2, 2026.

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 34% 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 27, 2025.

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

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 January 2, 2026.
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
8,021 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

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
8,021 reviews
Delta
7.9
Good
8,021 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

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
9,132 reviews
Delta
7.9
Good
8,021 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

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
11,074 reviews
Delta
7.9
Good
8,021 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

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
2,906 reviews
Delta
7.9
Good
8,021 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

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
8,258 reviews
Delta
7.9
Good
8,021 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

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 34 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 109 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?

    Delta and United Airlines can get you from Boston to Monrovia in just under 6h 38m. Your travel time will be generally consistent. There are 2603 mi between Boston and Monrovia. Most flights are nonstop.

  • What are the cheapest airlines to fly from Boston to Monrovia one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $72. Users have also found prices from $73 and $99 on Spirit Airlines and Breeze Airways, respectively.

  • 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: Air China (94%), China Southern (88%), China Eastern( 87%).

  • What are the cheapest flights from Boston to Monrovia?

    Looking at all options, your cheapest flight can be booked for $94. While the most popular route (Boston Logan Intl - Los Angeles) can be booked for $157 on average, our data indicates $1,074 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 December is currently the most expensive (average of $179). 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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Alternative routes for Boston to Monrovia

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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 January 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$88Average$189FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$91Average$193FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$103Average$241FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$118Average$409FlexibilityNo cancel feeOn-time62%
DeltaCheapest$129Average$419FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$187Average$397FlexibilityNo cancel feeOn-time83%
United AirlinesCheapest$200Average$419FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$207Average$447FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$236Average$381FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$243Average$426FlexibilityNo cancel feeOn-time71%

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