$101+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LAX
Mar 15 — Mar 221
1 adult, Economy
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Find cheap flights from Boston to Monrovia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Boston Logan Intl to Monrovia are usually found in January or September, booked 61 days in advance, depart on a Thursday or Wednesday and return on a Tuesday
Cheap flight deals from Boston to Monrovia
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Best
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Cheapest flights from Boston to MonroviaExplore 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 February 13, 2026.
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 February 13, 2026.
This Flysmarter deal was found by Cheapflights users on 2/12. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/309:35 am
BOS
- LAX
Nonstop6h 34m
JetBlue
Wed 4/88:45 pm
LAX
- BOS
Nonstop5h 33m
JetBlue
Deal found 2/12![JetBlue logo]()
$186
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:00 pm
BOS
- LAX
Nonstop6h 15m
JetBlue
Tue 5/1210:00 pm
LAX
- BOS
Nonstop5h 40m
JetBlue
Deal found 2/10![JetBlue logo]()
$188
This Delta deal was found by Cheapflights users on 2/12. 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.
Wed 3/181:55 pm
BOS
- LAX
Nonstop6h 30m
Delta
Wed 4/89:15 pm
LAX
- BOS
Nonstop5h 17m
Delta
Deal found 2/12![Delta logo]()
$189
This JetBlue deal was found by Cheapflights users on 2/11. 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.
Fri 5/19:36 pm
BOS
- LAX
Nonstop6h 21m
JetBlue
Tue 5/52:00 pm
LAX
- BOS
Nonstop5h 35m
JetBlue
Deal found 2/11![JetBlue logo]()
$190
This JetBlue deal was found by Cheapflights users on 2/10. 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.
Mon 3/97:55 pm
BOS
- LAX
Nonstop6h 35m
JetBlue
Tue 3/1710:00 pm
LAX
- BOS
Nonstop5h 20m
JetBlue
Deal found 2/10![JetBlue logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 5/167:00 am
BOS
- LAX
1 stop14h 39m
Multiple Airlines
Tue 5/198:54 pm
LAX
- BOS
1 stop10h 27m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$193
This United Airlines deal was found by Cheapflights users on 2/11. 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 4/285:45 am
BOS
- LAX
1 stop9h 00m
United Airlines
Tue 5/510:43 pm
LAX
- BOS
Nonstop5h 41m
United Airlines
Deal found 2/11![United Airlines logo]()
$195
This United Airlines deal was found by Cheapflights users on 2/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:20 pm
BOS
- LAX
Nonstop6h 35m
United Airlines
Tue 5/1210:43 pm
LAX
- BOS
Nonstop5h 41m
United Airlines
Deal found 2/10![United Airlines logo]()
$199
This Frontier deal was found by Cheapflights users on 2/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:55 pm
BOS
- LAX
1 stop10h 17m
Frontier
Sat 4/188:54 pm
LAX
- BOS
1 stop10h 27m
Frontier
Deal found 2/10![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 2/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:00 am
BOS
- LAX
1 stop9h 36m
Frontier
Tue 5/510:07 pm
LAX
- BOS
1 stop10h 58m
Frontier
Deal found 2/12![Frontier logo]()
$201
This Frontier deal was found by Cheapflights users on 2/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:00 am
BOS
- LAX
1 stop9h 36m
Frontier
Sat 5/168:54 pm
LAX
- BOS
1 stop10h 27m
Frontier
Deal found 2/10![Frontier logo]()
$203
Best flights from Boston to MonroviaDiscover carefully curated flight deals from Boston to Monrovia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
Discover carefully curated flight deals from Boston to Monrovia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
This JetBlue deal was found by Cheapflights users on 2/12. 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.
Tue 4/286:00 am
BOS
- LAX
Nonstop6h 29m
JetBlue
Tue 5/52:00 pm
LAX
- BOS
Nonstop5h 35m
JetBlue
Deal found 2/12![JetBlue logo]()
$189
This United Airlines deal was found by Cheapflights users on 2/12. 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 3/96:08 pm
BOS
- LAX
Nonstop6h 46m
United Airlines
Mon 3/1612:25 am
LAX
- BOS
1 stop9h 24m
United Airlines
Deal found 2/12![United Airlines logo]()
$204
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/109:02 am
BOS
- LAX
1 stop12h 34m
Alaska Airlines
Tue 3/178:46 am
LAX
- BOS
1 stop12h 13m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 2/10. 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.
Wed 3/47:30 am
BOS
- LAX
Nonstop6h 52m
Delta
Tue 3/109:15 pm
LAX
- BOS
Nonstop5h 17m
Delta
Deal found 2/10![Delta logo]()
$219
This JetBlue deal was found by Cheapflights users on 2/12. 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.
Tue 3/179:35 am
BOS
- LAX
Nonstop6h 34m
JetBlue
Wed 4/88:45 pm
LAX
- BOS
Nonstop5h 33m
JetBlue
Deal found 2/12![JetBlue logo]()
$189
This JetBlue deal was found by Cheapflights users on 2/12. 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.
Tue 3/178:45 pm
BOS
- LAX
Nonstop6h 35m
JetBlue
Thu 4/91:55 pm
LAX
- BOS
Nonstop5h 37m
JetBlue
Deal found 2/12![JetBlue logo]()
$189
This United Airlines deal was found by Cheapflights users on 2/12. 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 5/284:55 pm
BOS
- LAX
1 stop9h 00m
United Airlines
Mon 6/111:05 pm
LAX
- BOS
Nonstop5h 40m
United Airlines
Deal found 2/12![United Airlines logo]()
$218
This JetBlue deal was found by Cheapflights users on 2/12. 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.
Mon 3/168:50 pm
BOS
- LAX
Nonstop6h 35m
JetBlue
Thu 4/91:55 pm
LAX
- BOS
Nonstop5h 37m
JetBlue
Deal found 2/12![JetBlue logo]()
$189
This JetBlue deal was found by Cheapflights users on 2/10. 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.
Fri 5/19:36 pm
BOS
- LAX
Nonstop6h 21m
JetBlue
Tue 5/52:00 pm
LAX
- BOS
Nonstop5h 35m
JetBlue
Deal found 2/10![JetBlue logo]()
$190
This United Airlines deal was found by Cheapflights users on 2/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:07 pm
BOS
- LAX
Nonstop6h 43m
United Airlines
Fri 3/67:03 pm
LAX
- BOS
1 stop7h 48m
United Airlines
Deal found 2/10![United Airlines logo]()
$237
This JetBlue deal was found by Cheapflights users on 2/10. 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.
Mon 3/97:55 pm
BOS
- LAX
Nonstop6h 35m
JetBlue
Tue 3/1710:00 pm
LAX
- BOS
Nonstop5h 20m
JetBlue
Deal found 2/10![JetBlue logo]()
$191
This JetBlue deal was found by Cheapflights users on 2/12. 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.
Mon 3/168:50 pm
BOS
- LAX
Nonstop6h 35m
JetBlue
Tue 4/78:45 pm
LAX
- BOS
Nonstop5h 33m
JetBlue
Deal found 2/12![JetBlue logo]()
$223
Last-minute flights from Boston to MonroviaDiscover last-minute flight deals from Boston to Monrovia. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Monrovia. Data last updated February 13, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/249:45 am
BOS
- LAX
Nonstop6h 35m
JetBlue
Wed 3/48:40 pm
LAX
- BOS
Nonstop5h 20m
JetBlue
Deal found 2/10![JetBlue logo]()
$207
This Trip.com deal was found by Cheapflights users on 2/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:00 am
BOS
- LAX
1 stop9h 55m
Multiple Airlines
Wed 3/411:00 am
LAX
- BOS
1 stop9h 59m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$200
This United Airlines deal was found by Cheapflights users on 2/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:25 am
BOS
- LAX
Nonstop6h 40m
United Airlines
Wed 3/48:15 am
LAX
- BOS
Nonstop5h 26m
United Airlines
Deal found 2/10![United Airlines logo]()
$208
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:55 pm
BOS
- LAX
Nonstop6h 35m
JetBlue
Tue 3/108:40 pm
LAX
- BOS
Nonstop5h 20m
JetBlue
Deal found 2/10![JetBlue logo]()
$188
This Expedia deal was found by Cheapflights users on 2/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:55 pm
BOS
- LAX
Nonstop6h 35m
Multiple Airlines
Tue 3/1710:07 pm
LAX
- BOS
1 stop9h 22m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$205
This Super.com deal was found by Cheapflights users on 2/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:55 pm
BOS
- LAX
Nonstop6h 35m
JetBlue
Wed 3/48:40 pm
LAX
- BOS
Nonstop5h 20m
JetBlue
Deal found 2/10![JetBlue logo]()
$206
This JetBlue deal was found by Cheapflights users on 2/10. 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.
Mon 3/97:55 pm
BOS
- LAX
Nonstop6h 35m
JetBlue
Tue 3/1710:00 pm
LAX
- BOS
Nonstop5h 20m
JetBlue
Deal found 2/10![JetBlue logo]()
$190
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Tue 3/1011:15 am
BOS
- LAX
Nonstop6h 42m
United Airlines
Mon 3/1612:25 am
LAX
- BOS
1 stop9h 24m
United Airlines
Deal found 2/9![United Airlines logo]()
$204
This Delta deal was found by Cheapflights users on 2/12. 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.
Wed 3/181:55 pm
BOS
- LAX
Nonstop6h 30m
Delta
Wed 4/89:15 pm
LAX
- BOS
Nonstop5h 17m
Delta
Deal found 2/12![Delta logo]()
$189
This Flysmarter deal was found by Cheapflights users on 2/12. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/309:35 am
BOS
- LAX
Nonstop6h 34m
JetBlue
Wed 4/88:45 pm
LAX
- BOS
Nonstop5h 33m
JetBlue
Deal found 2/12![JetBlue logo]()
$186
One-way flights from Boston to MonroviaSearch for one-way flight options from Boston to Monrovia. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
Search for one-way flight options from Boston to Monrovia. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
This Mytrip deal was found by Cheapflights users on 2/11. 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.
Tue 3/33:54 pm
BOS
- LAX
2 stops18h 21m
Spirit Airlines
Deal found 2/11![Spirit Airlines logo]()
$101
This Trip.com deal was found by Cheapflights users on 2/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:00 am
BOS
- LAX
1 stop11h 36m
Hawaiian Airlines
Deal found 2/12![Hawaiian Airlines logo]()
$102
This Super.com deal was found by Cheapflights users on 2/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/179:35 am
BOS
- LAX
Nonstop6h 34m
JetBlue
Deal found 2/12![JetBlue logo]()
$103
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:55 pm
BOS
- LAX
Nonstop6h 35m
JetBlue
Deal found 2/10![JetBlue logo]()
$104
This United Airlines deal was found by Cheapflights users on 2/12. 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 3/96:08 pm
BOS
- LAX
Nonstop6h 46m
United Airlines
Deal found 2/12![United Airlines logo]()
$105
This Mytrip deal was found by Cheapflights users on 2/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:01 am
BOS
- LAX
2 stops28h 12m
Spirit Airlines
Deal found 2/10![Spirit Airlines logo]()
$108
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/39:02 am
BOS
- LAX
1 stop12h 34m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$109
This United Airlines deal was found by Cheapflights users on 2/12. 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 3/175:45 am
BOS
- LAX
1 stop11h 43m
United Airlines
Deal found 2/12![United Airlines logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 5/1212:55 pm
BOS
- LAX
2 stops29h 20m
Frontier
Deal found 2/10![Frontier logo]()
$112
This eDestinos deal was found by Cheapflights users on 2/10. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 am
BOS
- LAX
2 stops20h 18m
Frontier
Deal found 2/10![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Mon 3/912:35 pm
BOS
- LAX
2 stops38h 41m
Frontier
Deal found 2/10![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/43:54 pm
BOS
- LAX
2 stops18h 21m
Spirit Airlines
Deal found 2/10![Spirit Airlines logo]()
$116
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 February 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $186 (Flysmarter) |
One-way from | $101 (Mytrip) |
Popular in | April |
Cheapest in | January |
Average price | $357 |
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 February 13, 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
Tue 4/28
6:00 am-9:29 am
Nonstop6h 29m
Los Angeles
Tue 5/5
2:00 pm-10:35 pm
Nonstop5h 35m
$189
BostonLos Angeles
BOS - LAX
BOSLAX
Boston Logan Intl
Tue 3/17
9:35 am-1:09 pm
Nonstop6h 34m
Los Angeles
Wed 4/8
8:45 pm-5:18 am
Nonstop5h 33m
$189
BostonLos Angeles
BOS - LAX
BOSLAX
Boston Logan Intl
Tue 3/17
8:45 pm-12:20 am
Nonstop6h 35m
Los Angeles
Thu 4/9
1:55 pm-10:32 pm
Nonstop5h 37m
$189
BostonLos Angeles
BOS - LAX
BOSLAX
Boston Logan Intl
Mon 3/16
8:50 pm-12:25 am
Nonstop6h 35m
Los Angeles
Thu 4/9
1:55 pm-10:32 pm
Nonstop5h 37m
$189
BostonLos Angeles
BOS - LAX
BOSLAX
Boston Logan Intl
Fri 5/1
9:36 pm-12:57 am
Nonstop6h 21m
Los Angeles
Tue 5/5
2:00 pm-10:35 pm
Nonstop5h 35m
$190
BostonLos Angeles
BOS - LAX
BOSLAX
Boston Logan Intl
Mon 3/9
7:55 pm-11:30 pm
Nonstop6h 35m
Los Angeles
Tue 3/17
10:00 pm-6:20 am
Nonstop5h 20m
$191
BostonLos Angeles
BOS - LAX
BOSLAX
Boston Logan Intl
Mon 3/9
6:08 pm-9:54 pm
Nonstop6h 46m
Los Angeles
Mon 3/16
12:25 am-12:49 pm
1 stop9h 24m
$204
BostonLos Angeles
BOS - LAX
BOSLAX
Boston Logan Intl
Tue 3/10
9:02 am-6:36 pm
1 stop12h 34m
Los Angeles
Tue 3/17
8:46 am-11:59 pm
1 stop12h 13m
$217
BostonLos Angeles
BOS - LAX
BOSLAX
Boston Logan Intl
Thu 5/28
4:55 pm-10:55 pm
1 stop9h 00m
Los Angeles
Mon 6/1
11:05 pm-7:45 am
Nonstop5h 40m
$218
BostonLos Angeles
BOS - LAX
BOSLAX
Boston Logan Intl
Wed 3/4
7:30 am-11:22 am
Nonstop6h 52m
Los Angeles
Tue 3/10
9:15 pm-5:32 am
Nonstop5h 17m
$219
Showing 1-10 of 24 results
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.
BOS-LAX
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
BOS-MR9
BOS-LAX
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 February 6, 2026.
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 $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 February 13, 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 37% 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 February 7, 2026.
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.
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 February 13, 2026.
The most flights from BOS to MR9 are scheduled on a Thursday (55 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (34 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 February 13, 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.
Food
7.2
Crew
8.5
Comfort
7.9
Overall
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Crew
8.5
Comfort
7.9
Overall
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Crew
8.5
Comfort
7.9
Overall
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Crew
8.5
Comfort
7.9
Overall
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Crew
8.5
Comfort
7.9
Overall
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Crew
8.5
Comfort
7.9
Overall
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
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.
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Alternative routes for Boston to Monrovia
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Complete your trip
Complete your trip to Monrovia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Monrovia by cabin class
Find flights from Boston to Monrovia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Monrovia flights
Browse other Boston and Monrovia flight options. Last updated on February 13, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on February 13, 2026.
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Boston to Monrovia flights
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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 February 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$85 | Average$154 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$91 | Average$182 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$92 | Average$236 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$99 | Average$358 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$143 | Average$430 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$180 | Average$345 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$183 | Average$409 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$214 | Average$441 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$226 | Average$425 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$341 | FlexibilityNo cancel fee | On-time75% |