Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Boston to Sierra Leone from $872

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 5/2. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Sierra Leone

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:45 am - 5:25 pm
BOS
-
FNA
31h 40m
2 stops
Multiple Airlines Logo
6:35 pm - 7:55 pm
FNA
-
BOS
29h 20m
3 stops
$1,594Multiple Airlines
Thu, Jun 25 - Thu, Jul 16
United Airlines Logo
2:40 pm - 5:25 pm
BOS
-
FNA
22h 45m
2 stops
United Airlines Logo
6:35 pm - 7:14 pm
FNA
-
BOS
28h 39m
3 stops
$1,611United Airlines
Mon, Jun 8 - Mon, Jun 15
Brussels Airlines Logo
8:05 pm - 5:25 pm
BOS
-
FNA
41h 20m
2 stops
Brussels Airlines Logo
6:45 pm - 11:59 pm
FNA
-
BOS
33h 14m
3 stops
$1,681Brussels Airlines
Fri, May 29 - Fri, Jun 19
Air Canada Logo
10:45 am - 5:25 pm
BOS
-
FNA
26h 40m
3 stops
Air Canada Logo
6:35 pm - 2:47 pm
FNA
-
BOS
24h 12m
3 stops
$1,723Air Canada
Mon, Jun 8 - Mon, Jun 15
Brussels Airlines Logo
2:15 pm - 5:25 pm
BOS
-
FNA
47h 10m
3 stops
Brussels Airlines Logo
6:45 pm - 5:40 pm
FNA
-
BOS
26h 55m
3 stops
$1,784Brussels Airlines
Fri, May 29 - Fri, Jun 19
Multiple Airlines Logo
5:45 pm - 5:15 pm
BOS
-
FNA
43h 30m
2 stops
Multiple Airlines Logo
6:45 pm - 7:55 pm
FNA
-
BOS
29h 10m
3 stops
$1,798Multiple Airlines
Tue, Jul 14 - Sun, Aug 16
Brussels Airlines Logo
8:05 pm - 5:15 pm
BOS
-
FNA
41h 10m
2 stops
Brussels Airlines Logo
6:45 pm - 5:40 pm
FNA
-
BOS
26h 55m
3 stops
$1,831Brussels Airlines
Tue, Jul 14 - Sun, Aug 16
Multiple Airlines Logo
10:14 am - 4:25 am
BOS
-
FNA
38h 11m
2 stops
Multiple Airlines Logo
5:25 am - 11:59 pm
FNA
-
BOS
22h 34m
2 stops
$1,844Multiple Airlines
Fri, May 29 - Fri, Jun 19
Ethiopian Air Logo
5:45 am - 4:45 pm
BOS
-
FNA
31h 00m
3 stops
Ethiopian Air Logo
8:05 am - 11:59 pm
FNA
-
BOS
19h 54m
3 stops
$1,885Ethiopian Air
Sat, May 23 - Sat, Jun 20
Multiple Airlines Logo
6:05 am - 4:25 am
BOS
-
FNA
18h 20m
2 stops
Multiple Airlines Logo
5:25 am - 5:15 pm
FNA
-
BOS
39h 50m
2 stops
$1,999Multiple Airlines
Tue, Jul 14 - Sun, Aug 16

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Brussels Airlines flights from Boston to Sierra Leone

Our best Brussels Airlines deals on Boston to Sierra Leone flight tickets
Brussels Airlines
May 29
BOS8:05 pmBoston Logan Intl
41h 20m
2 stops
FNA5:25 pmFreetown Lungi Intl
Jun 19
FNA6:45 pmFreetown Lungi Intl
33h 14m
3 stops
BOS11:59 pmBoston Logan Intl
$1,681
Brussels Airlines
May 29
BOS2:15 pmBoston Logan Intl
47h 10m
3 stops
FNA5:25 pmFreetown Lungi Intl
Jun 19
FNA6:45 pmFreetown Lungi Intl
26h 55m
3 stops
BOS5:40 pmBoston Logan Intl
$1,784
Brussels Airlines
Jul 14
BOS8:05 pmBoston Logan Intl
41h 10m
2 stops
FNA5:15 pmFreetown Lungi Intl
Aug 16
FNA6:45 pmFreetown Lungi Intl
26h 55m
3 stops
BOS5:40 pmBoston Logan Intl
$1,831

Ethiopian Air flights from Boston to Sierra Leone

Our best Ethiopian Air deals on Boston to Sierra Leone flight tickets
Ethiopian Air
May 23
BOS5:45 amBoston Logan Intl
31h 00m
3 stops
FNA4:45 pmFreetown Lungi Intl
Jun 20
FNA8:05 amFreetown Lungi Intl
19h 54m
3 stops
BOS11:59 pmBoston Logan Intl
$1,885
Ethiopian Air
Jun 8
BOS5:45 amBoston Logan Intl
30h 40m
3 stops
FNA4:25 pmFreetown Lungi Intl
Jun 15
FNA9:00 amFreetown Lungi Intl
33h 43m
4 stops
BOS2:43 pmBoston Logan Intl
$2,298
Ethiopian Air
May 23
BOS5:45 amBoston Logan Intl
55h 00m
4 stops
FNA4:45 pmFreetown Lungi Intl
Jun 20
FNA8:05 amFreetown Lungi Intl
19h 54m
3 stops
BOS11:59 pmBoston Logan Intl
$2,346

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 April 28, 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

Cheapest round-trip

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Thu 6/25

5:45 am-5:25 pm

2 stops31h 40m

Freetown Lungi Intl

Thu 7/16

6:35 pm-7:55 pm

3 stops29h 20m

$1,594

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Mon 6/8

2:40 pm-5:25 pm

2 stops22h 45m

Freetown Lungi Intl

Mon 6/15

6:35 pm-7:14 pm

3 stops28h 39m

$1,611

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Fri 5/29

8:05 pm-5:25 pm

2 stops41h 20m

Freetown Lungi Intl

Fri 6/19

6:45 pm-11:59 pm

3 stops33h 14m

$1,681
Quickest round-trip

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Mon 6/8

10:45 am-5:25 pm

3 stops26h 40m

Freetown Lungi Intl

Mon 6/15

6:35 pm-2:47 pm

3 stops24h 12m

$1,723

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Fri 5/29

2:15 pm-5:25 pm

3 stops47h 10m

Freetown Lungi Intl

Fri 6/19

6:45 pm-5:40 pm

3 stops26h 55m

$1,784

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Tue 7/14

5:45 pm-5:15 pm

2 stops43h 30m

Freetown Lungi Intl

Sun 8/16

6:45 pm-7:55 pm

3 stops29h 10m

$1,798

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Tue 7/14

8:05 pm-5:15 pm

2 stops41h 10m

Freetown Lungi Intl

Sun 8/16

6:45 pm-5:40 pm

3 stops26h 55m

$1,831

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Fri 5/29

10:14 am-4:25 am

2 stops38h 11m

Freetown Lungi Intl

Fri 6/19

5:25 am-11:59 pm

2 stops22h 34m

$1,844

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 5/23

5:45 am-4:45 pm

3 stops31h 00m

Freetown Lungi Intl

Sat 6/20

8:05 am-11:59 pm

3 stops19h 54m

$1,885

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Tue 7/14

6:05 am-4:25 am

2 stops18h 20m

Freetown Lungi Intl

Sun 8/16

5:25 am-5:15 pm

2 stops39h 50m

$1,999

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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 month to fly to Sierra Leone?

The cheapest month to fly to Sierra Leone from Boston is in September. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you don’t want to visit Sierra Leone in September, then you should wait until August to fly from Boston, when ticket prices are also cheap, with an average price of $0.

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

30h 40m

Direct flights

None
The fastest flight from Boston to Sierra Leone takes 30h 40m
There are no direct flights from Boston to Sierra Leone. There are no popular flight routes from Boston to Sierra Leone.
Search flight deals

Frequently asked questions about flying from Boston to Sierra Leone

  • 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 $1,315Free CancellationRating
7.4
4,341 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $1,370Free CancellationRating
7.4
9,672 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $1,376Free CancellationRating
7.2
404 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 5/28
Thu 6/4
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Sierra Leone

Popular cities in Sierra Leone

Popular flights according to clicks in the last 7 days on momondo
Flights to Freetownfrom $1,144