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Cheap flights from Boston to Sierra Leone from $761

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 3/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
9:50 pm - 12:25 am
BOS
-
FNA
22h 35m
2 stops
Turkish Airlines Logo
1:25 am - 7:55 pm
FNA
-
BOS
22h 30m
2 stops
$1,329Turkish Airlines
Mon, Apr 13 - Tue, Apr 21
Multiple Airlines Logo
5:45 am - 4:25 pm
BOS
-
FNA
30h 40m
3 stops
Multiple Airlines Logo
7:00 pm - 11:10 am
FNA
-
BOS
44h 10m
3 stops
$1,368Multiple Airlines
Mon, Apr 6 - Tue, May 12
Multiple Airlines Logo
6:40 pm - 6:15 pm
BOS
-
FNA
42h 35m
2 stops
Multiple Airlines Logo
6:45 pm - 3:10 pm
FNA
-
BOS
24h 25m
3 stops
$1,369Multiple Airlines
Tue, Mar 3 - Sun, May 31
United Airlines Logo
6:00 am - 5:25 pm
BOS
-
FNA
31h 25m
2 stops
United Airlines Logo
6:45 pm - 7:11 pm
FNA
-
BOS
28h 26m
3 stops
$1,371United Airlines
Mon, Apr 6 - Tue, May 12
United Airlines Logo
4:25 pm - 6:15 pm
BOS
-
FNA
44h 50m
2 stops
United Airlines Logo
6:45 pm - 12:59 am
FNA
-
BOS
34h 14m
3 stops
$1,377United Airlines
Tue, Mar 3 - Sun, May 31
Multiple Airlines Logo
6:40 pm - 6:15 pm
BOS
-
FNA
42h 35m
2 stops
Multiple Airlines Logo
6:45 pm - 3:10 pm
FNA
-
BOS
48h 25m
3 stops
$1,381Multiple Airlines
Tue, Mar 3 - Sun, May 31
Multiple Airlines Logo
5:45 am - 4:25 pm
BOS
-
FNA
30h 40m
3 stops
Multiple Airlines Logo
8:05 am - 11:59 pm
FNA
-
BOS
19h 54m
3 stops
$1,386Multiple Airlines
Wed, Apr 1 - Wed, Apr 8
United Airlines Logo
8:15 am - 5:25 pm
BOS
-
FNA
29h 10m
2 stops
United Airlines Logo
6:45 pm - 9:59 pm
FNA
-
BOS
31h 14m
3 stops
$1,413United Airlines
Thu, Apr 9 - Tue, Apr 21
Turkish Airlines Logo
9:50 pm - 12:25 am
BOS
-
FNA
22h 35m
2 stops
Turkish Airlines Logo
1:25 am - 7:55 pm
FNA
-
BOS
22h 30m
2 stops
$1,421Turkish Airlines
Sat, Apr 4 - Thu, May 7
United Airlines Logo
5:45 am - 5:25 pm
BOS
-
FNA
31h 40m
2 stops
United Airlines Logo
6:45 pm - 11:59 pm
FNA
-
BOS
33h 14m
3 stops
$1,422United Airlines
Thu, Apr 2 - Fri, May 8

Turkish Airlines flights from Boston to Sierra Leone

Our best Turkish Airlines deals on Boston to Sierra Leone flight tickets
Turkish Airlines
Apr 13
BOS9:50 pmBoston Logan Intl
22h 35m
2 stops
FNA12:25 amFreetown Lungi Intl
Apr 21
FNA1:25 amFreetown Lungi Intl
22h 30m
2 stops
BOS7:55 pmBoston Logan Intl
$1,329
Turkish Airlines
Apr 4
BOS9:50 pmBoston Logan Intl
22h 35m
2 stops
FNA12:25 amFreetown Lungi Intl
May 7
FNA1:25 amFreetown Lungi Intl
22h 30m
2 stops
BOS7:55 pmBoston Logan Intl
$1,421
Turkish Airlines
Apr 10
BOS9:50 pmBoston Logan Intl
22h 35m
2 stops
FNA12:25 amFreetown Lungi Intl
Apr 21
FNA1:25 amFreetown Lungi Intl
22h 30m
2 stops
BOS7:55 pmBoston Logan Intl
$1,465

Ethiopian Air flights from Boston to Sierra Leone

Our best Ethiopian Air deals on Boston to Sierra Leone flight tickets
Ethiopian Air
Mar 30
BOS5:45 amBoston Logan Intl
30h 40m
3 stops
FNA4:25 pmFreetown Lungi Intl
Apr 28
FNA8:05 amFreetown Lungi Intl
27h 48m
3 stops
BOS7:53 amBoston Logan Intl
$1,444
Ethiopian Air
Mar 31
BOS5:45 amBoston Logan Intl
31h 00m
3 stops
FNA4:45 pmFreetown Lungi Intl
Apr 8
FNA8:05 amFreetown Lungi Intl
19h 54m
3 stops
BOS11:59 pmBoston Logan Intl
$1,596
Ethiopian Air
Mar 3
BOS5:35 amBoston Logan Intl
30h 10m
3 stops
FNA4:45 pmFreetown Lungi Intl
May 31
FNA9:00 amFreetown Lungi Intl
42h 58m
4 stops
BOS11:58 pmBoston Logan Intl
$1,625

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 February 13, 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

Price

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Mon 4/13

9:50 pm-12:25 am

2 stops22h 35m

Freetown Lungi Intl

Tue 4/21

1:25 am-7:55 pm

2 stops22h 30m

$1,329

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Mon 4/6

5:45 am-4:25 pm

3 stops30h 40m

Freetown Lungi Intl

Tue 5/12

7:00 pm-11:10 am

3 stops44h 10m

$1,368

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Tue 3/3

6:40 pm-6:15 pm

2 stops42h 35m

Freetown Lungi Intl

Sun 5/31

6:45 pm-3:10 pm

3 stops24h 25m

$1,369

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Mon 4/6

6:00 am-5:25 pm

2 stops31h 25m

Freetown Lungi Intl

Tue 5/12

6:45 pm-7:11 pm

3 stops28h 26m

$1,371

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Tue 3/3

4:25 pm-6:15 pm

2 stops44h 50m

Freetown Lungi Intl

Sun 5/31

6:45 pm-12:59 am

3 stops34h 14m

$1,377

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Tue 3/3

6:40 pm-6:15 pm

2 stops42h 35m

Freetown Lungi Intl

Sun 5/31

6:45 pm-3:10 pm

3 stops48h 25m

$1,381

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 4/1

5:45 am-4:25 pm

3 stops30h 40m

Freetown Lungi Intl

Wed 4/8

8:05 am-11:59 pm

3 stops19h 54m

$1,386

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Thu 4/9

8:15 am-5:25 pm

2 stops29h 10m

Freetown Lungi Intl

Tue 4/21

6:45 pm-9:59 pm

3 stops31h 14m

$1,413

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 4/4

9:50 pm-12:25 am

2 stops22h 35m

Freetown Lungi Intl

Thu 5/7

1:25 am-7:55 pm

2 stops22h 30m

$1,421

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Thu 4/2

5:45 am-5:25 pm

2 stops31h 40m

Freetown Lungi Intl

Fri 5/8

6:45 pm-11:59 pm

3 stops33h 14m

$1,422

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 airline that flies from Boston Logan Intl to Sierra Leone?

Brussels Airlines and Ethiopian Air are the most popular carriers operating from Boston Logan Intl to Sierra Leone

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

Fastest flight time

28h 10m

Direct flights

None
The fastest flight from Boston to Sierra Leone takes 28h 10m
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
United AirlinesPriceFrom $834Free CancellationRating
7.4
9,287 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $1,412Free CancellationRating
7.2
384 reviews
Search Brussels Airlines 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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