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Cheap flights from Boston to Sierra Leone from $1,256

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Sierra Leone departing on 3/18. 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
9:00 pm - 12:20 am
BOS
-
FNA
23h 20m
2 stops
Turkish Airlines Logo
1:20 am - 7:05 pm
FNA
-
BOS
21h 45m
2 stops
$1,256Turkish Airlines
Wed, Mar 18 - Tue, Mar 24
United Airlines Logo
7:45 am - 6:25 pm
BOS
-
FNA
29h 40m
2 stops
United Airlines Logo
8:10 pm - 7:37 pm
FNA
-
BOS
28h 27m
3 stops
$1,351United Airlines
Sun, Feb 15 - Wed, Feb 25
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
$1,352Turkish Airlines
Sat, Apr 4 - Sat, May 2
United Airlines Logo
5:35 am - 6:40 pm
BOS
-
FNA
32h 05m
2 stops
United Airlines Logo
7:45 pm - 6:41 pm
FNA
-
BOS
27h 56m
3 stops
$1,372United Airlines
Fri, Feb 13 - Thu, Feb 26
Ethiopian Air Logo
10:15 am - 4:25 pm
BOS
-
FNA
25h 10m
3 stops
Ethiopian Air Logo
8:05 am - 7:18 am
FNA
-
BOS
27h 13m
3 stops
$1,384Ethiopian Air
Sun, Mar 1 - Sun, Mar 8
Multiple Airlines Logo
5:45 am - 4:25 pm
BOS
-
FNA
30h 40m
3 stops
Multiple Airlines Logo
8:05 am - 11:57 pm
FNA
-
BOS
19h 52m
3 stops
$1,386Multiple Airlines
Wed, Mar 18 - Wed, Mar 25
United Airlines Logo
4:15 pm - 6:40 pm
BOS
-
FNA
21h 25m
2 stops
United Airlines Logo
7:45 pm - 5:21 pm
FNA
-
BOS
26h 36m
3 stops
$1,401United Airlines
Sat, Feb 14 - Thu, Feb 26
Multiple Airlines Logo
12:14 pm - 4:25 pm
BOS
-
FNA
24h 11m
3 stops
Multiple Airlines Logo
8:05 am - 11:59 pm
FNA
-
BOS
19h 54m
3 stops
$1,408Multiple Airlines
Tue, Mar 10 - Wed, Apr 8
Air Canada Logo
6:15 am - 6:25 pm
BOS
-
FNA
31h 10m
3 stops
Air Canada Logo
8:10 pm - 2:52 pm
FNA
-
BOS
23h 42m
2 stops
$1,418Air Canada
Sun, Feb 15 - Wed, Feb 25
Turkish Airlines Logo
8:00 pm - 12:20 am
BOS
-
FNA
23h 20m
2 stops
Turkish Airlines Logo
1:25 am - 7:55 pm
FNA
-
BOS
22h 30m
2 stops
$1,421Turkish Airlines
Fri, Mar 6 - Sat, Mar 28

Turkish Airlines flights from Boston to Sierra Leone

Our best Turkish Airlines deals on Boston to Sierra Leone flight tickets
Turkish Airlines
Mar 18
BOS9:00 pmBoston Logan Intl
23h 20m
2 stops
FNA12:20 amFreetown Lungi Intl
Mar 24
FNA1:20 amFreetown Lungi Intl
21h 45m
2 stops
BOS7:05 pmBoston Logan Intl
$1,256
Turkish Airlines
Apr 4
BOS9:50 pmBoston Logan Intl
22h 35m
2 stops
FNA12:25 amFreetown Lungi Intl
May 2
FNA1:25 amFreetown Lungi Intl
22h 30m
2 stops
BOS7:55 pmBoston Logan Intl
$1,352
Turkish Airlines
Mar 6
BOS8:00 pmBoston Logan Intl
23h 20m
2 stops
FNA12:20 amFreetown Lungi Intl
Mar 28
FNA1:25 amFreetown Lungi Intl
22h 30m
2 stops
BOS7:55 pmBoston Logan Intl
$1,421

United Airlines flights from Boston to Sierra Leone

Our best United Airlines deals on Boston to Sierra Leone flight tickets
United Airlines
Feb 15
BOS7:45 amBoston Logan Intl
29h 40m
2 stops
FNA6:25 pmFreetown Lungi Intl
Feb 25
FNA8:10 pmFreetown Lungi Intl
28h 27m
3 stops
BOS7:37 pmBoston Logan Intl
$1,351
United Airlines
Feb 13
BOS5:35 amBoston Logan Intl
32h 05m
2 stops
FNA6:40 pmFreetown Lungi Intl
Feb 26
FNA7:45 pmFreetown Lungi Intl
27h 56m
3 stops
BOS6:41 pmBoston Logan Intl
$1,372
United Airlines
Feb 14
BOS4:15 pmBoston Logan Intl
21h 25m
2 stops
FNA6:40 pmFreetown Lungi Intl
Feb 26
FNA7:45 pmFreetown Lungi Intl
26h 36m
3 stops
BOS5:21 pmBoston Logan Intl
$1,401

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 2, 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

Wed 3/18

9:00 pm-12:20 am

2 stops23h 20m

Freetown Lungi Intl

Tue 3/24

1:20 am-7:05 pm

2 stops21h 45m

$1,256

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sun 2/15

7:45 am-6:25 pm

2 stops29h 40m

Freetown Lungi Intl

Wed 2/25

8:10 pm-7:37 pm

3 stops28h 27m

$1,351

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 4/4

9:50 pm-12:25 am

2 stops22h 35m

Freetown Lungi Intl

Sat 5/2

1:25 am-7:55 pm

2 stops22h 30m

$1,352

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Fri 2/13

5:35 am-6:40 pm

2 stops32h 05m

Freetown Lungi Intl

Thu 2/26

7:45 pm-6:41 pm

3 stops27h 56m

$1,372

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sun 3/1

10:15 am-4:25 pm

3 stops25h 10m

Freetown Lungi Intl

Sun 3/8

8:05 am-7:18 am

3 stops27h 13m

$1,384

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 3/18

5:45 am-4:25 pm

3 stops30h 40m

Freetown Lungi Intl

Wed 3/25

8:05 am-11:57 pm

3 stops19h 52m

$1,386

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 2/14

4:15 pm-6:40 pm

2 stops21h 25m

Freetown Lungi Intl

Thu 2/26

7:45 pm-5:21 pm

3 stops26h 36m

$1,401

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Tue 3/10

12:14 pm-4:25 pm

3 stops24h 11m

Freetown Lungi Intl

Wed 4/8

8:05 am-11:59 pm

3 stops19h 54m

$1,408

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sun 2/15

6:15 am-6:25 pm

3 stops31h 10m

Freetown Lungi Intl

Wed 2/25

8:10 pm-2:52 pm

2 stops23h 42m

$1,418

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Fri 3/6

8:00 pm-12:20 am

2 stops23h 20m

Freetown Lungi Intl

Sat 3/28

1:25 am-7:55 pm

2 stops22h 30m

$1,421

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

23h 30m

Direct flights

None
The fastest flight from Boston to Sierra Leone takes 23h 30m
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
9,229 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $1,412Free CancellationRating
7.2
381 reviews
Search Brussels Airlines flights

  • How do I get Price Alerts for flights from Boston to Sierra Leone?

    Search flight deals from Boston to Sierra Leone. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Boston to Sierra Leone with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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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