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Cheap flights from Boston to Sierra Leone from $679

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Sierra Leone departing on 12/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boston to Sierra Leone

Cheap round-trip flights

Turkish Airlines Logo
8:00 pm - 12:25 amBOS-FNA
23h 25m2 stops
Turkish Airlines Logo
1:25 am - 7:40 pmFNA-BOS
22h 15m2 stops
$1,252Turkish Airlines
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Wed, Dec 3 - Thu, Apr 2
Logo
5:05 pm - 5:25 pmBOS-FNA
20h 20m2 stops
Logo
8:10 pm - 2:52 pmFNA-BOS
23h 42m3 stops
$1,362
Find Deal
Sat, Oct 4 - Tue, Nov 4
Brussels Airlines Logo
3:15 pm - 5:25 pmBOS-FNA
22h 10m3 stops
Brussels Airlines Logo
8:10 pm - 2:52 pmFNA-BOS
23h 42m3 stops
$1,393Brussels Airlines
Find Deal
Sat, Oct 4 - Tue, Nov 4
United Airlines Logo
7:08 pm - 5:25 pmBOS-FNA
42h 17m2 stops
United Airlines Logo
6:45 pm - 11:59 pmFNA-BOS
33h 14m3 stops
$1,395United Airlines
Find Deal
Wed, Oct 15 - Sun, Oct 19
Ethiopian Air Logo
5:30 am - 4:45 pmBOS-FNA
31h 15m3 stops
Ethiopian Air Logo
9:00 am - 11:42 pmFNA-BOS
43h 42m4 stops
$1,396Ethiopian Air
Find Deal
Sat, Oct 4 - Tue, Nov 4
Brussels Airlines Logo
5:50 pm - 5:25 pmBOS-FNA
19h 35m2 stops
Brussels Airlines Logo
8:10 pm - 6:48 pmFNA-BOS
27h 38m2 stops
$1,453Brussels Airlines
Find Deal
Sat, Oct 4 - Tue, Nov 4
United Airlines Logo
3:17 pm - 5:25 pmBOS-FNA
22h 08m2 stops
United Airlines Logo
8:10 pm - 2:29 pmFNA-BOS
47h 19m3 stops
$1,572United Airlines
Find Deal
Sat, Oct 18 - Wed, Jan 14
Ethiopian Air Logo
5:30 am - 4:45 pmBOS-FNA
55h 15m4 stops
Ethiopian Air Logo
9:00 am - 11:42 pmFNA-BOS
43h 42m4 stops
$1,679Ethiopian Air
Find Deal
Sat, Oct 4 - Tue, Nov 4
Royal Air Maroc Logo
1:40 pm - 4:20 amBOS-FNA
33h 40m2 stops
Royal Air Maroc Logo
5:20 am - 4:35 pmFNA-BOS
40h 15m2 stops
$1,686Royal Air Maroc
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Sun, Dec 7 - Mon, Dec 29
Royal Air Maroc Logo
3:00 pm - 6:00 amBOS-FNA
35h 00m3 stops
Royal Air Maroc Logo
4:45 am - 10:19 pmFNA-BOS
21h 34m3 stops
$1,852Royal Air Maroc
Find Deal
Fri, Oct 10 - Fri, Oct 17

Royal Air Maroc flights from Boston to Sierra Leone

Our best Royal Air Maroc deals on Boston to Sierra Leone flight tickets
Royal Air Maroc
Dec 7
BOS1:40 pmBoston Logan Intl
33h 40m
2 stops
FNA4:20 amFreetown Lungi Intl
Dec 29
FNA5:20 amFreetown Lungi Intl
40h 15m
2 stops
BOS4:35 pmBoston Logan Intl
$1,686
Find similar
Royal Air Maroc
Oct 10
BOS3:00 pmBoston Logan Intl
35h 00m
3 stops
FNA6:00 amFreetown Lungi Intl
Oct 17
FNA4:45 amFreetown Lungi Intl
21h 34m
3 stops
BOS10:19 pmBoston Logan Intl
$1,852
Find similar
Royal Air Maroc
Dec 3
BOS3:35 pmBoston Logan Intl
31h 45m
2 stops
FNA4:20 amFreetown Lungi Intl
Apr 3
FNA5:25 amFreetown Lungi Intl
21h 34m
2 stops
BOS10:59 pmBoston Logan Intl
$1,866
Find similar

Brussels Airlines flights from Boston to Sierra Leone

Our best Brussels Airlines deals on Boston to Sierra Leone flight tickets
Brussels Airlines
Oct 4
BOS3:15 pmBoston Logan Intl
22h 10m
3 stops
FNA5:25 pmFreetown Lungi Intl
Nov 4
FNA8:10 pmFreetown Lungi Intl
23h 42m
3 stops
BOS2:52 pmBoston Logan Intl
$1,393
Find similar
Brussels Airlines
Oct 4
BOS5:50 pmBoston Logan Intl
19h 35m
2 stops
FNA5:25 pmFreetown Lungi Intl
Nov 4
FNA8:10 pmFreetown Lungi Intl
27h 38m
2 stops
BOS6:48 pmBoston Logan Intl
$1,453
Find similar
Brussels Airlines
Oct 18
BOS2:36 pmBoston Logan Intl
22h 49m
2 stops
FNA5:25 pmFreetown Lungi Intl
Jan 14
FNA8:10 pmFreetown Lungi Intl
27h 25m
3 stops
BOS6:35 pmBoston Logan Intl
$1,742
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 11, 2025.
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

Price

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 12/3

8:00 pm-12:25 am

2 stops23h 25m

Freetown Lungi Intl

Thu 4/2

1:25 am-7:40 pm

2 stops22h 15m

$1,252

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 10/4

5:05 pm-5:25 pm

2 stops20h 20m

Freetown Lungi Intl

Tue 11/4

8:10 pm-2:52 pm

3 stops23h 42m

$1,362

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 10/4

3:15 pm-5:25 pm

3 stops22h 10m

Freetown Lungi Intl

Tue 11/4

8:10 pm-2:52 pm

3 stops23h 42m

$1,393

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 10/15

7:08 pm-5:25 pm

2 stops42h 17m

Freetown Lungi Intl

Sun 10/19

6:45 pm-11:59 pm

3 stops33h 14m

$1,395

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 10/4

5:30 am-4:45 pm

3 stops31h 15m

Freetown Lungi Intl

Tue 11/4

9:00 am-11:42 pm

4 stops43h 42m

$1,396

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 10/4

5:50 pm-5:25 pm

2 stops19h 35m

Freetown Lungi Intl

Tue 11/4

8:10 pm-6:48 pm

2 stops27h 38m

$1,453

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 10/18

3:17 pm-5:25 pm

2 stops22h 08m

Freetown Lungi Intl

Wed 1/14

8:10 pm-2:29 pm

3 stops47h 19m

$1,572

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 10/4

5:30 am-4:45 pm

4 stops55h 15m

Freetown Lungi Intl

Tue 11/4

9:00 am-11:42 pm

4 stops43h 42m

$1,679

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sun 12/7

1:40 pm-4:20 am

2 stops33h 40m

Freetown Lungi Intl

Mon 12/29

5:20 am-4:35 pm

2 stops40h 15m

$1,686

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Fri 10/10

3:00 pm-6:00 am

3 stops35h 00m

Freetown Lungi Intl

Fri 10/17

4:45 am-10:19 pm

3 stops21h 34m

$1,852

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sierra Leone from

How to get the cheapest flight ticket from Boston to Sierra Leone

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Sierra Leone?

Our data shows that Wednesday is the least expensive day to fly to Sierra Leone. Tickets to fly out on this day can be as low as $1,547. On the other hand, Sunday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $2,290.

What is the cheapest time of day to depart on your flight to Sierra Leone?

According to our data, the cheapest time of day to fly to Sierra Leone is in the evening. momondo users have found flights departing from Boston to Sierra Leone in the evening for as low as $1,540. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $2,176 on average. Flights to Sierra Leone from Boston at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap Boston to Sierra Leone flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Sierra Leone

Direct flights

None
There are no direct flights from Boston to Sierra Leone. There are no popular flight routes from Boston to Sierra Leone.
Search flight deals

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Sierra Leone?

    Prices for flights from Boston Logan Intl Airport to Sierra Leone are updated daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Sierra Leone?

  • How old do you have to be to fly from Boston Logan Intl Airport to Sierra Leone?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Sierra Leone.

  • What documentation or ID do you need to fly to Sierra Leone?

    The necessary travel and health documents for your Sierra Leone trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Boston to Sierra Leone

Compare and see reviews for airlines that fly from Boston to Sierra Leone with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $1,385Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
Brussels AirlinesPriceFrom $1,426Free CancellationRating
7.2
359 reviews
Search Brussels Airlines flights
Ethiopian AirPriceFrom $1,457Free CancellationRating
7.2
861 reviews
Search Ethiopian Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Sierra Leone?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Sierra Leone. momondo saves you time and could save you money on your trip.

Can I find flights from Boston to Sierra Leone with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sierra Leone from Boston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Boston to Sierra Leone?

Once you have performed a search for Boston to Sierra Leone flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Boston to Sierra Leone right now. Can momondo alert me if prices change?

Price alerts on flights to Sierra Leone from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Sierra Leone trip

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