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Cheap flights from Boston to Sierra Leone from $810

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
$1,384Turkish Airlines
Sat, Apr 4 - Tue, May 5
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 8 - Wed, May 13
United Airlines Logo
4:23 pm - 5:25 pm
BOS
-
FNA
45h 02m
2 stops
United Airlines Logo
6:45 pm - 10:18 am
FNA
-
BOS
43h 33m
3 stops
$1,404United Airlines
Wed, Apr 8 - Wed, May 13
United Airlines Logo
9:30 am - 5:25 pm
BOS
-
FNA
27h 55m
2 stops
United Airlines Logo
6:45 pm - 5:22 pm
FNA
-
BOS
26h 37m
3 stops
$1,421United Airlines
Sat, Apr 4 - Fri, May 15
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
$1,424Turkish Airlines
Sat, Apr 4 - Sun, May 10
Multiple Airlines Logo
5:45 am - 4:45 pm
BOS
-
FNA
31h 00m
3 stops
Multiple Airlines Logo
8:05 am - 11:59 pm
FNA
-
BOS
19h 54m
3 stops
$1,427Multiple Airlines
Tue, Mar 31 - Wed, May 6
Multiple Airlines Logo
5:45 am - 4:25 pm
BOS
-
FNA
30h 40m
3 stops
Multiple Airlines Logo
8:05 am - 7:53 am
FNA
-
BOS
27h 48m
3 stops
$1,436Multiple Airlines
Wed, Apr 8 - Tue, May 12
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
$1,445Turkish Airlines
Wed, Apr 8 - Tue, May 12
Ethiopian Air Logo
5:45 am - 4:25 pm
BOS
-
FNA
30h 40m
3 stops
Ethiopian Air Logo
8:05 am - 11:59 pm
FNA
-
BOS
19h 54m
3 stops
$1,451Ethiopian Air
Mon, Mar 30 - Mon, May 11
Multiple Airlines Logo
2:37 pm - 5:25 pm
BOS
-
FNA
22h 48m
2 stops
Multiple Airlines Logo
6:45 pm - 7:55 pm
FNA
-
BOS
29h 10m
3 stops
$1,454Multiple Airlines
Tue, Apr 7 - Wed, May 20

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
May 11
FNA8:05 amFreetown Lungi Intl
19h 54m
3 stops
BOS11:59 pmBoston Logan Intl
$1,451
Ethiopian Air
Apr 1
BOS5:45 amBoston Logan Intl
30h 40m
3 stops
FNA4:25 pmFreetown Lungi Intl
May 6
FNA8:05 amFreetown Lungi Intl
19h 54m
3 stops
BOS11:59 pmBoston Logan Intl
$1,479
Ethiopian Air
Mar 21
BOS5:45 amBoston Logan Intl
30h 40m
3 stops
FNA4:25 pmFreetown Lungi Intl
Mar 28
FNA8:05 amFreetown Lungi Intl
29h 59m
3 stops
BOS10:04 amBoston Logan Intl
$1,484

Brussels Airlines flights from Boston to Sierra Leone

Our best Brussels Airlines deals on Boston to Sierra Leone flight tickets
Brussels Airlines
Feb 28
BOS10:14 amBoston Logan Intl
27h 26m
2 stops
FNA6:40 pmFreetown Lungi Intl
Mar 2
FNA7:35 pmFreetown Lungi Intl
28h 33m
3 stops
BOS7:08 pmBoston Logan Intl
$1,383
Brussels Airlines
Jul 3
BOS8:05 pmBoston Logan Intl
41h 20m
2 stops
FNA5:25 pmFreetown Lungi Intl
Jul 24
FNA6:45 pmFreetown Lungi Intl
26h 55m
3 stops
BOS5:40 pmBoston Logan Intl
$1,430
Brussels Airlines
Jul 3
BOS3:35 pmBoston Logan Intl
45h 50m
3 stops
FNA5:25 pmFreetown Lungi Intl
Jul 24
FNA6:45 pmFreetown Lungi Intl
26h 55m
3 stops
BOS5:40 pmBoston Logan Intl
$1,432

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 27, 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

Sat 4/4

9:50 pm-12:25 am

2 stops22h 35m

Freetown Lungi Intl

Tue 5/5

1:25 am-7:55 pm

2 stops22h 30m

$1,384

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 4/8

5:45 am-4:25 pm

3 stops30h 40m

Freetown Lungi Intl

Wed 5/13

8:05 am-11:59 pm

3 stops19h 54m

$1,386

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 4/8

4:23 pm-5:25 pm

2 stops45h 02m

Freetown Lungi Intl

Wed 5/13

6:45 pm-10:18 am

3 stops43h 33m

$1,404

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 4/4

9:30 am-5:25 pm

2 stops27h 55m

Freetown Lungi Intl

Fri 5/15

6:45 pm-5:22 pm

3 stops26h 37m

$1,421

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 4/4

9:50 pm-12:25 am

2 stops22h 35m

Freetown Lungi Intl

Sun 5/10

1:25 am-7:55 pm

2 stops22h 30m

$1,424

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Tue 3/31

5:45 am-4:45 pm

3 stops31h 00m

Freetown Lungi Intl

Wed 5/6

8:05 am-11:59 pm

3 stops19h 54m

$1,427

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 4/8

5:45 am-4:25 pm

3 stops30h 40m

Freetown Lungi Intl

Tue 5/12

8:05 am-7:53 am

3 stops27h 48m

$1,436

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 4/8

9:50 pm-12:25 am

2 stops22h 35m

Freetown Lungi Intl

Tue 5/12

1:25 am-7:55 pm

2 stops22h 30m

$1,445

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Mon 3/30

5:45 am-4:25 pm

3 stops30h 40m

Freetown Lungi Intl

Mon 5/11

8:05 am-11:59 pm

3 stops19h 54m

$1,451

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Tue 4/7

2:37 pm-5:25 pm

2 stops22h 48m

Freetown Lungi Intl

Wed 5/20

6:45 pm-7:55 pm

3 stops29h 10m

$1,454

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?

Ethiopian Air and Brussels Airlines 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

18h 20m

Direct flights

None
The fastest flight from Boston to Sierra Leone takes 18h 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
United AirlinesPriceFrom $1,370Free CancellationRating
7.4
9,360 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $1,376Free CancellationRating
7.2
387 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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