$658+ Cheap flights from Boston (BOS) to Sierra Leone
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — FNA
Nov 25 — Dec 21
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Sierra Leone 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.Cheap flight deals from Boston to Sierra Leone
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to Sierra LeoneExplore the most affordable flight options available from Boston to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
Explore the most affordable flight options available from Boston to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
This Ovago deal was found by Cheapflights users on 10/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:51 am -
3 stops26h 29m
Sat 11/147:55 am -
3 stops21h 04m
Deal found 10/21![Multiple Airlines logo]()
$1,540
This United Airlines deal was found by Cheapflights users on 10/24. 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 11/257:05 pm -
2 stops42h 35m
Tue 12/18:10 pm -
3 stops30h 43m
Deal found 10/24![United Airlines logo]()
$1,594
This United Airlines deal was found by Cheapflights users on 10/21. 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 10/2210:51 am -
2 stops26h 34m
Fri 10/308:10 pm -
3 stops26h 29m
Deal found 10/21![United Airlines logo]()
$1,609
This United Airlines deal was found by Cheapflights users on 10/24. 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 11/257:05 pm -
2 stops42h 35m
Mon 11/307:45 pm -
3 stops26h 56m
Deal found 10/24![United Airlines logo]()
$1,645
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:40 pm -
2 stops23h 00m
Tue 12/18:10 pm -
3 stops26h 31m
Deal found 10/25![Brussels Airlines logo]()
$1,649
This United deal was found by Cheapflights users on 10/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2410:25 am -
2 stops27h 15m
Mon 11/307:45 pm -
3 stops31h 14m
Deal found 10/25![Multiple Airlines logo]()
$1,669
This KAYAK deal was found by Cheapflights users on 10/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:36 pm -
3 stops24h 49m
Fri 10/308:10 pm -
3 stops26h 29m
Deal found 10/21![Brussels Airlines logo]()
$1,699
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:40 pm -
2 stops23h 00m
Mon 11/307:45 pm -
3 stops26h 56m
Deal found 10/25![Brussels Airlines logo]()
$1,704
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:50 pm -
2 stops39h 50m
Sun 11/298:10 pm -
3 stops53h 10m
Deal found 10/25![SWISS logo]()
$1,720
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/244:05 pm -
2 stops21h 35m
Wed 12/28:10 pm -
3 stops27h 25m
Deal found 10/25![Brussels Airlines logo]()
$1,754
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/264:05 pm -
2 stops21h 35m
Tue 12/18:10 pm -
3 stops27h 25m
Deal found 10/25![Brussels Airlines logo]()
$1,756
This Brussels Airlines deal was found by Cheapflights users on 10/25. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/244:05 pm -
2 stops21h 35m
Sun 11/298:10 pm -
3 stops51h 25m
Deal found 10/25![Brussels Airlines logo]()
$1,759
Best flights from Boston to Sierra LeoneDiscover carefully curated flight deals from Boston to Sierra Leone that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
Discover carefully curated flight deals from Boston to Sierra Leone that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/24. 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 11/257:05 pm -
2 stops42h 35m
Tue 12/18:10 pm -
3 stops30h 43m
Deal found 10/24![United Airlines logo]()
$1,594
This United deal was found by Cheapflights users on 10/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2410:25 am -
2 stops27h 15m
Mon 11/307:45 pm -
3 stops31h 14m
Deal found 10/25![Multiple Airlines logo]()
$1,669
This Ovago deal was found by Cheapflights users on 10/23. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/29:50 pm -
2 stops39h 50m
Sun 12/208:10 pm -
3 stops29h 10m
Deal found 10/23![SWISS logo]()
$1,884
This Brussels Airlines deal was found by Cheapflights users on 10/25. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/242:40 pm -
3 stops23h 00m
Sun 11/298:10 pm -
3 stops51h 25m
Deal found 10/25![Brussels Airlines logo]()
$2,026
This KAYAK deal was found by Cheapflights users on 10/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:45 am -
3 stops30h 00m
Sun 12/209:00 am -
4 stops43h 59m
Deal found 10/23![Ethiopian Air logo]()
$2,037
This oojo deal was found by Cheapflights users on 10/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/22:45 pm -
2 stops32h 35m
Sun 12/205:20 am -
2 stops23h 27m
Deal found 10/24![Royal Air Maroc logo]()
$2,112
This KAYAK deal was found by Cheapflights users on 10/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:00 pm -
2 stops25h 40m
Sun 12/208:10 pm -
3 stops29h 10m
Deal found 10/23![Multiple Airlines logo]()
$1,855
This United deal was found by Cheapflights users on 10/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/310:00 am -
2 stops27h 40m
Sun 12/138:10 pm -
3 stops27h 52m
Deal found 10/25![Multiple Airlines logo]()
$1,860
This oojo deal was found by Cheapflights users on 10/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:45 am -
3 stops29h 35m
Sun 12/209:00 am -
4 stops43h 59m
Deal found 10/24![Ethiopian Air logo]()
$2,110
Last-minute flights from Boston to Sierra LeoneDiscover last-minute flight deals from Boston to Sierra Leone. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Sierra Leone. Data last updated October 26, 2026 and is based on user searches.
This Ovago deal was found by Cheapflights users on 10/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:51 am -
3 stops26h 29m
Sat 11/147:55 am -
3 stops21h 04m
Deal found 10/21![Multiple Airlines logo]()
$1,540
This United Airlines deal was found by Cheapflights users on 10/21. 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 10/2210:51 am -
2 stops26h 34m
Fri 10/308:10 pm -
3 stops26h 29m
Deal found 10/21![United Airlines logo]()
$1,609
This KAYAK deal was found by Cheapflights users on 10/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:36 pm -
3 stops24h 49m
Fri 10/308:10 pm -
3 stops26h 29m
Deal found 10/21![Brussels Airlines logo]()
$1,699
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:50 pm -
2 stops39h 50m
Sun 11/298:10 pm -
3 stops53h 10m
Deal found 10/25![SWISS logo]()
$1,720
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:40 pm -
2 stops23h 00m
Tue 12/18:10 pm -
3 stops26h 31m
Deal found 10/25![Brussels Airlines logo]()
$1,649
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:40 pm -
2 stops23h 00m
Mon 11/307:45 pm -
3 stops26h 56m
Deal found 10/25![Brussels Airlines logo]()
$1,704
This United deal was found by Cheapflights users on 10/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2410:25 am -
2 stops27h 15m
Mon 11/307:45 pm -
3 stops31h 14m
Deal found 10/25![Multiple Airlines logo]()
$1,669
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/244:05 pm -
2 stops21h 35m
Wed 12/28:10 pm -
3 stops27h 25m
Deal found 10/25![Brussels Airlines logo]()
$1,754
This Brussels Airlines deal was found by Cheapflights users on 10/25. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/244:05 pm -
2 stops21h 35m
Sun 11/298:10 pm -
3 stops51h 25m
Deal found 10/25![Brussels Airlines logo]()
$1,759
This United Airlines deal was found by Cheapflights users on 10/24. 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 11/257:05 pm -
2 stops42h 35m
Wed 12/28:10 pm -
3 stops28h 02m
Deal found 10/24![United Airlines logo]()
$1,594
This United Airlines deal was found by Cheapflights users on 10/24. 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 11/257:05 pm -
2 stops42h 35m
Mon 11/307:45 pm -
3 stops26h 56m
Deal found 10/24![United Airlines logo]()
$1,645
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/264:05 pm -
2 stops21h 35m
Tue 12/18:10 pm -
3 stops27h 25m
Deal found 10/25![Brussels Airlines logo]()
$1,756
One-way flights from Boston to Sierra LeoneSearch for one-way flight options from Boston to Sierra Leone. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
Search for one-way flight options from Boston to Sierra Leone. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/24. 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.
Sun 1/316:00 pm -
3 stops32h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$658
This FlightHub deal was found by Cheapflights users on 10/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/297:38 pm -
2 stops51h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$687
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 11/35:15 pm -
3 stops33h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$875
This United Airlines deal was found by Cheapflights users on 10/22. 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 10/316:00 am -
2 stops32h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![United Airlines logo]()
$934
This Justfly.com deal was found by Cheapflights users on 10/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:50 pm -
2 stops39h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![SWISS logo]()
$936
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 11/210:10 pm -
3 stops28h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$983
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Sun 12/275:15 pm -
3 stops30h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$1,004
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 12/288:00 pm -
3 stops54h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$1,014
Find flight deals from Boston to Sierra Leone
Keep the following information in mind while searching for Boston to Sierra Leone flight deals. Data was last updated October 26, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $1,594 (United Airlines) |
One-way from | $658 (Kiwi.com) |
Popular in | November |
Cheapest in | March |
Average price | $1,584 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Sierra Leone 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 7,457,451 searches. Data last updated October 26, 2026.
Use the filters below to find and compare flights from Boston to Sierra Leone that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonFreetown
BOS Boston Logan Intl - FNA Freetown Lungi Intl
BOSFNA
Boston Logan Intl
Sun 1/31
6:00 pm-7:20 am
3 stops32h 20m
Freetown Lungi Intl
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$658
BostonFreetown
BOS Boston Logan Intl - FNA Freetown Lungi Intl
BOSFNA
Boston Logan Intl
Sat 10/31
6:00 am-6:40 pm
2 stops32h 40m
Freetown Lungi Intl
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$934
BostonFreetown
BOS Boston Logan Intl - FNA Freetown Lungi Intl
BOSFNA
Boston Logan Intl
Wed 11/4
9:50 pm-6:40 pm
2 stops39h 50m
Freetown Lungi Intl
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$936
BostonFreetown
BOS Boston Logan Intl - FNA Freetown Lungi Intl
BOSFNA
Boston Logan Intl
Sun 12/27
5:15 pm-4:20 am
3 stops30h 05m
Freetown Lungi Intl
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$1,004
BostonFreetown
BOS Boston Logan Intl - FNA Freetown Lungi Intl
BOSFNA
Boston Logan Intl
Mon 12/28
8:00 pm-7:20 am
3 stops54h 20m
Freetown Lungi Intl
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$1,014
BostonFreetown
BOS Boston Logan Intl - FNA Freetown Lungi Intl
BOSFNA
Boston Logan Intl
Sun 1/31
8:30 pm-4:45 pm
4 stops63h 15m
Freetown Lungi Intl
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$1,039
BostonFreetown
BOS Boston Logan Intl - FNA Freetown Lungi Intl
BOSFNA
Boston Logan Intl
Sat 12/26
3:30 pm-6:25 pm
3 stops45h 55m
Freetown Lungi Intl
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$1,109
BostonFreetown
BOS Boston Logan Intl - FNA Freetown Lungi Intl
BOSFNA
Boston Logan Intl
Fri 11/6
6:36 pm-6:40 pm
2 stops43h 04m
Freetown Lungi Intl
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$1,135
BostonFreetown
BOS Boston Logan Intl - FNA Freetown Lungi Intl
BOSFNA
Boston Logan Intl
Sat 12/26
6:38 pm-6:25 pm
2 stops42h 47m
Freetown Lungi Intl
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$1,148
Quickest round-trip
BostonFreetown
BOS Boston Logan Intl - FNA Freetown Lungi Intl
BOSFNA
Boston Logan Intl
Thu 11/5
2:40 pm-6:40 pm
3 stops23h 00m
Freetown Lungi Intl
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$1,150
Showing 1-10 of 19 resultsSorted by cheapest first
Best time to book a flight from Boston to Sierra Leone
Have a flexible travel schedule? Discover the best time to fly to Sierra Leone from Boston with our price prediction graph.
BOS-FNA
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 Sierra Leone
BOS-SL0
BOS-FNA
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Sierra Leone
Get insights into the airlines that provide service to Sierra Leone. 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 Sierra Leone. Reviews last updated October 26, 2026.
Peruse reviews from past customers who have flown with Turkish Airlines,Brussels Airlines, andUnited Airlines from Boston to Sierra Leone to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Crew
7.8
Boarding
7.3
Entertainment
7.5
Food
7.5
Overall
7.4
Reviews
1 / 20
10.0
ExcellentROBERTO,Oct 2026
MIA - ATH
Comfort
7.3
Crew
7.8
Boarding
7.3
Entertainment
7.5
Food
7.5
Overall
7.4
Reviews
1 / 20
10.0
ExcellentROBERTO,Oct 2026
MIA - ATH
Comfort
7.3
Crew
7.8
Boarding
7.3
Entertainment
7.5
Food
7.5
Overall
7.4
Reviews
1 / 20
10.0
ExcellentROBERTO,Oct 2026
MIA - ATH
Comfort
7.3
Crew
7.8
Boarding
7.3
Entertainment
7.5
Food
7.5
Overall
7.4
Reviews
1 / 20
10.0
ExcellentROBERTO,Oct 2026
MIA - ATH
Related info for your journey
Find useful and relevant information for your journey from Boston to Sierra Leone. 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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Boston and Sierra Leone flights
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Top 3 airlines flying from Boston to Sierra Leone
Discover the top 3 airlines that operate flights from Boston to Sierra Leone. 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 7,457,451 searches. Data last updated October 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,315 | Average$1,475 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,370 | Average$1,794 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,412 | Average$1,570 | FlexibilityNo cancel fee | On-timeN/A |