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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 4/1. 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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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
$1,256Turkish Airlines
Wed, Apr 1 - Thu, Apr 30
Brussels Airlines Logo
10:30 am - 6:25 pm
BOS
-
FNA
26h 55m
2 stops
Brussels Airlines Logo
8:10 pm - 7:08 pm
FNA
-
BOS
27h 58m
3 stops
$1,342Brussels Airlines
Sun, Feb 15 - Wed, Feb 25
SWISS Logo
5:05 pm - 5:25 pm
BOS
-
FNA
20h 20m
2 stops
SWISS Logo
6:45 pm - 3:30 pm
FNA
-
BOS
24h 45m
3 stops
$1,365SWISS
Mon, Jun 1 - Tue, Jun 30
Brussels Airlines Logo
2:20 pm - 6:40 pm
BOS
-
FNA
23h 20m
2 stops
Brussels Airlines Logo
8:10 pm - 7:08 pm
FNA
-
BOS
27h 58m
3 stops
$1,381Brussels Airlines
Tue, Feb 10 - Tue, Mar 3
SWISS Logo
5:05 pm - 5:25 pm
BOS
-
FNA
20h 20m
2 stops
SWISS Logo
6:45 pm - 7:55 pm
FNA
-
BOS
29h 10m
3 stops
$1,387SWISS
Thu, May 7 - Tue, Jun 30
SWISS Logo
5:05 pm - 5:25 pm
BOS
-
FNA
20h 20m
2 stops
SWISS Logo
6:45 pm - 3:30 pm
FNA
-
BOS
48h 45m
3 stops
$1,415SWISS
Thu, Apr 2 - Fri, May 8
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
$1,420United Airlines
Thu, Apr 2 - Fri, May 8
United Airlines Logo
5:45 am - 5:25 pm
BOS
-
FNA
31h 40m
2 stops
United Airlines Logo
6:45 pm - 4:36 pm
FNA
-
BOS
25h 51m
3 stops
$1,421United Airlines
Thu, Apr 2 - Fri, May 8
United Airlines Logo
5:45 am - 5:25 pm
BOS
-
FNA
31h 40m
2 stops
United Airlines Logo
6:45 pm - 10:18 am
FNA
-
BOS
43h 33m
3 stops
$1,427United Airlines
Thu, Apr 2 - Fri, May 1
SWISS Logo
5:05 pm - 5:25 pm
BOS
-
FNA
20h 20m
2 stops
SWISS Logo
6:45 pm - 7:55 pm
FNA
-
BOS
53h 10m
2 stops
$1,429SWISS
Thu, Apr 2 - Fri, May 8

Brussels Airlines flights from Boston to Sierra Leone

Our best Brussels Airlines deals on Boston to Sierra Leone flight tickets
Brussels Airlines
Feb 15
BOS10:30 amBoston Logan Intl
26h 55m
2 stops
FNA6:25 pmFreetown Lungi Intl
Feb 25
FNA8:10 pmFreetown Lungi Intl
27h 58m
3 stops
BOS7:08 pmBoston Logan Intl
$1,342
Brussels Airlines
Feb 10
BOS2:20 pmBoston Logan Intl
23h 20m
2 stops
FNA6:40 pmFreetown Lungi Intl
Mar 3
FNA8:10 pmFreetown Lungi Intl
27h 58m
3 stops
BOS7:08 pmBoston Logan Intl
$1,381
Brussels Airlines
Apr 1
BOS8:05 pmBoston Logan Intl
41h 20m
2 stops
FNA5:25 pmFreetown Lungi Intl
May 1
FNA6:45 pmFreetown Lungi Intl
26h 55m
3 stops
BOS5:40 pmBoston Logan Intl
$1,430

Air Canada flights from Boston to Sierra Leone

Our best Air Canada deals on Boston to Sierra Leone flight tickets
Air Canada
Feb 15
BOS6:15 amBoston Logan Intl
31h 10m
3 stops
FNA6:25 pmFreetown Lungi Intl
Feb 25
FNA8:10 pmFreetown Lungi Intl
28h 32m
3 stops
BOS7:42 pmBoston Logan Intl
$1,521
Air Canada
Apr 2
BOS5:30 amBoston Logan Intl
31h 55m
2 stops
FNA5:25 pmFreetown Lungi Intl
May 8
FNA6:45 pmFreetown Lungi Intl
24h 02m
2 stops
BOS2:47 pmBoston Logan Intl
$1,656
Air Canada
Jun 1
BOS3:40 pmBoston Logan Intl
45h 45m
3 stops
FNA5:25 pmFreetown Lungi Intl
Jun 30
FNA6:45 pmFreetown Lungi Intl
26h 57m
3 stops
BOS5:42 pmBoston Logan Intl
$1,664

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 January 22, 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 4/1

9:50 pm-12:25 am

2 stops22h 35m

Freetown Lungi Intl

Thu 4/30

1:25 am-7:55 pm

2 stops22h 30m

$1,256

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sun 2/15

10:30 am-6:25 pm

2 stops26h 55m

Freetown Lungi Intl

Wed 2/25

8:10 pm-7:08 pm

3 stops27h 58m

$1,342

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Mon 6/1

5:05 pm-5:25 pm

2 stops20h 20m

Freetown Lungi Intl

Tue 6/30

6:45 pm-3:30 pm

3 stops24h 45m

$1,365

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Tue 2/10

2:20 pm-6:40 pm

2 stops23h 20m

Freetown Lungi Intl

Tue 3/3

8:10 pm-7:08 pm

3 stops27h 58m

$1,381

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Thu 5/7

5:05 pm-5:25 pm

2 stops20h 20m

Freetown Lungi Intl

Tue 6/30

6:45 pm-7:55 pm

3 stops29h 10m

$1,387

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Thu 4/2

5:05 pm-5:25 pm

2 stops20h 20m

Freetown Lungi Intl

Fri 5/8

6:45 pm-3:30 pm

3 stops48h 45m

$1,415

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

$1,420

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-4:36 pm

3 stops25h 51m

$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 5/1

6:45 pm-10:18 am

3 stops43h 33m

$1,427

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Thu 4/2

5:05 pm-5:25 pm

2 stops20h 20m

Freetown Lungi Intl

Fri 5/8

6:45 pm-7:55 pm

2 stops53h 10m

$1,429

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

20h 20m

Direct flights

None
The fastest flight from Boston to Sierra Leone takes 20h 20m
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
Brussels AirlinesPriceFrom $1,413Free CancellationRating
7.2
382 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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