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Cheap flights from the United States to Sierra Leone from $444

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Sierra Leone departing on 8/11. 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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Find the cheapest flights from the United States to Sierra Leone

Recent round-trip flight deals from the United States to Sierra Leone

SWISS Logo
9:40 pm - 5:25 pmBOS-FNA
39h 45m2 stops
SWISS Logo
6:45 pm - 3:25 pmFNA-BOS
48h 40m3 stops
$1,041SWISS
Find Deal
Fri, Sep 12 - Fri, Sep 19
Ethiopian Air Logo
10:55 am - 4:45 pmIAD-FNA
25h 50m2 stops
Ethiopian Air Logo
9:00 am - 8:00 amFNA-IAD
28h 00m3 stops
$1,109Ethiopian Air
Find Deal
Fri, Oct 17 - Thu, Nov 20
Turkish Airlines Logo
12:20 am - 12:25 amJFK-FNA
43h 05m1 stop
Turkish Airlines Logo
1:25 am - 10:25 pmFNA-JFK
26h 00m1 stop
$1,146Turkish Airlines
Find Deal
Sun, Nov 23 - Sat, Dec 6
Royal Air Maroc Logo
9:05 pm - 6:00 amIAD-FNA
28h 55m2 stops
Royal Air Maroc Logo
4:35 am - 6:45 pmFNA-IAD
19h 10m2 stops
$1,148Royal Air Maroc
Find Deal
Mon, Aug 18 - Thu, Nov 27
Royal Air Maroc Logo
8:45 pm - 4:20 amIAD-FNA
26h 35m1 stop
Royal Air Maroc Logo
5:20 am - 6:45 pmFNA-IAD
18h 25m1 stop
$1,149Royal Air Maroc
Find Deal
Sat, Jan 3 - Fri, Jan 30
Turkish Airlines Logo
12:50 pm - 12:25 amJFK-FNA
30h 35m2 stops
Turkish Airlines Logo
1:25 am - 10:25 pmFNA-JFK
26h 00m2 stops
$1,149Turkish Airlines
Find Deal
Mon, Nov 24 - Sat, Dec 6
Brussels Airlines Logo
5:45 pm - 5:25 pmIAD-FNA
19h 40m1 stop
Brussels Airlines Logo
6:45 pm - 2:25 pmFNA-IAD
23h 40m2 stops
$1,210Brussels Airlines
Find Deal
Mon, Oct 6 - Fri, Oct 10
United Airlines Logo
5:45 pm - 6:40 pmIAD-FNA
19h 55m1 stop
United Airlines Logo
8:05 pm - 2:35 pmFNA-IAD
23h 30m2 stops
$1,211United Airlines
Find Deal
Tue, Jan 27 - Wed, Mar 4
Brussels Airlines Logo
5:45 pm - 6:40 pmIAD-FNA
19h 55m1 stop
Brussels Airlines Logo
7:45 pm - 2:35 pmFNA-IAD
23h 50m2 stops
$1,214Brussels Airlines
Find Deal
Mon, Nov 10 - Mon, Nov 24
United Airlines Logo
1:05 pm - 6:40 pmIAD-FNA
24h 35m2 stops
United Airlines Logo
8:05 pm - 2:35 pmFNA-IAD
23h 30m2 stops
$1,215United Airlines
Find Deal
Tue, Jan 27 - Wed, Mar 4

SWISS flights from United States to Sierra Leone

Our best SWISS deals on United States to Sierra Leone flight tickets
SWISS
Sep 12
BOS9:40 pmBoston Logan Intl
39h 45m
2 stops
FNA5:25 pmFreetown Lungi Intl
Sep 19
FNA6:45 pmFreetown Lungi Intl
48h 40m
3 stops
BOS3:25 pmBoston Logan Intl
$1,041
Find similar
SWISS
Sep 12
IAD8:45 pmWashington, D.C. Dulles Intl
40h 40m
2 stops
FNA5:25 pmFreetown Lungi Intl
Sep 19
FNA6:45 pmFreetown Lungi Intl
23h 40m
1 stop
IAD2:25 pmWashington, D.C. Dulles Intl
$1,249
Find similar
SWISS
Aug 16
IAD8:45 pmWashington, D.C. Dulles Intl
40h 40m
2 stops
FNA5:25 pmFreetown Lungi Intl
Sep 7
FNA6:45 pmFreetown Lungi Intl
49h 30m
3 stops
IAD4:15 pmWashington, D.C. Dulles Intl
$1,273
Find similar

Ethiopian Air flights from United States to Sierra Leone

Our best Ethiopian Air deals on United States to Sierra Leone flight tickets
Ethiopian Air
Oct 17
IAD10:55 amWashington, D.C. Dulles Intl
25h 50m
2 stops
FNA4:45 pmFreetown Lungi Intl
Nov 20
FNA9:00 amFreetown Lungi Intl
28h 00m
3 stops
IAD8:00 amWashington, D.C. Dulles Intl
$1,109
Find similar
Ethiopian Air
Nov 10
IAD8:40 pmWashington, D.C. Dulles Intl
39h 05m
3 stops
FNA4:45 pmFreetown Lungi Intl
Nov 24
FNA9:00 amFreetown Lungi Intl
28h 00m
3 stops
IAD8:00 amWashington, D.C. Dulles Intl
$1,143
Find similar
Ethiopian Air
Jan 15
IAD8:40 pmWashington, D.C. Dulles Intl
39h 05m
3 stops
FNA4:45 pmFreetown Lungi Intl
Jan 20
FNA9:00 amFreetown Lungi Intl
28h 00m
3 stops
IAD8:00 amWashington, D.C. Dulles Intl
$1,150
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from United States 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 July 31, 2025.
Use the filters below to find and compare flights from the United States to Sierra Leone that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Fri 9/12

9:40 pm-5:25 pm

2 stops39h 45m

Freetown Lungi Intl

Fri 9/19

6:45 pm-3:25 pm

3 stops48h 40m

$1,041

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Fri 10/17

10:55 am-4:45 pm

2 stops25h 50m

Freetown Lungi Intl

Thu 11/20

9:00 am-8:00 am

3 stops28h 00m

$1,109

New YorkFreetown

JFK - FNA

JFKFNA

New York John F Kennedy Intl

Sun 11/23

12:20 am-12:25 am

1 stop43h 05m

Freetown Lungi Intl

Sat 12/6

1:25 am-10:25 pm

1 stop26h 00m

$1,146

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Mon 8/18

9:05 pm-6:00 am

2 stops28h 55m

Freetown Lungi Intl

Thu 11/27

4:35 am-6:45 pm

2 stops19h 10m

$1,148

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Sat 1/3

8:45 pm-4:20 am

1 stop26h 35m

Freetown Lungi Intl

Fri 1/30

5:20 am-6:45 pm

1 stop18h 25m

$1,149

New YorkFreetown

JFK - FNA

JFKFNA

New York John F Kennedy Intl

Mon 11/24

12:50 pm-12:25 am

2 stops30h 35m

Freetown Lungi Intl

Sat 12/6

1:25 am-10:25 pm

2 stops26h 00m

$1,149

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Mon 10/6

5:45 pm-5:25 pm

1 stop19h 40m

Freetown Lungi Intl

Fri 10/10

6:45 pm-2:25 pm

2 stops23h 40m

$1,210

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Tue 1/27

5:45 pm-6:40 pm

1 stop19h 55m

Freetown Lungi Intl

Wed 3/4

8:05 pm-2:35 pm

2 stops23h 30m

$1,211

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Mon 11/10

5:45 pm-6:40 pm

1 stop19h 55m

Freetown Lungi Intl

Mon 11/24

7:45 pm-2:35 pm

2 stops23h 50m

$1,214

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Tue 1/27

1:05 pm-6:40 pm

2 stops24h 35m

Freetown Lungi Intl

Wed 3/4

8:05 pm-2:35 pm

2 stops23h 30m

$1,215

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sierra Leone from

How to get the cheapest flight ticket from United States 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 United States is in November. Flight prices, which tend to average around $1,167, are often lower during this time because this is during the off-season. If you don’t want to visit Sierra Leone in November, then you should wait until October to fly from United States, when ticket prices are also cheap, with an average price of $1,203.

What is the cheapest day to depart on your flight to Sierra Leone?

Our data shows that Thursday is the least expensive day to fly to Sierra Leone. Tickets to fly out on this day can be as low as $1,354. On the other hand, Saturday is the most expensive day to depart from United States because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $2,380.

What is the cheapest time of day to depart on your flight to Sierra Leone?

According to our data, the cheapest time of day to fly to Sierra Leone is in the afternoon. momondo users have found flights departing from United States to Sierra Leone in the afternoon for as low as $1,392. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,869 on average. Flights to Sierra Leone from United States in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Sierra Leone?

You are more likely to see cheaper flights to Sierra Leone from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Sierra Leone for around $1,326 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sierra Leone from United States for as low as $1,098 on momondo.

Can stopping save me money on United States to Sierra Leone flights?

You could potentially save up to 23% on your flight if you consider stops on a United States to Sierra Leone flight.

Cheap United States to Sierra Leone flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Sierra Leone

Best Price Found

$444

Fastest flight time

13h 10m

Direct flights

None

Airports in Sierra Leone

1 airport
The best one-way flight to Sierra Leone from United States in the past 72 hours is $444. The best round-trip flight deal from United States to Sierra Leone found on momondo in the last 72 hours is $1,041.
The fastest flight from United States to Sierra Leone takes 13h 10m
There are no direct flights from United States to Sierra Leone. Popular non-direct routes for this connection are Washington, D.C. Reagan-National Airport - Freetown Lungi Intl Airport, Washington, D.C. Dulles Intl Airport - Freetown Lungi Intl Airport and New York John F Kennedy Intl Airport - Freetown Lungi Intl Airport.
There is 1 airport near Sierra Leone: Freetown Lungi Intl (FNA)
Search flight deals

  • When did momondo last update prices for flights from United States to Sierra Leone?

    Prices for flights from United States to Sierra Leone are refreshed on a daily basis.

  • How many operators does momondo search for flights from United States to Sierra Leone?

  • How old do you have to be to fly from United States to Sierra Leone?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United States 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 United States to Sierra Leone

Compare and see reviews for airlines that fly from United States to Sierra Leone with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $687Free CancellationRating
7.3
3,933 reviews
Search Turkish Airlines flights
Ethiopian AirPriceFrom $880Free CancellationRating
7.2
803 reviews
Search Ethiopian Air flights
Royal Air MarocPriceFrom $1,045Free CancellationRating
6.1
491 reviews
Search Royal Air Maroc flights
SWISSPriceFrom $1,071Free CancellationRating
7.5
1,686 reviews
Search SWISS flights
United AirlinesPriceFrom $1,103Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $1,222Free CancellationRating
7.2
350 reviews
Search Brussels Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from United States to Sierra Leone?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United States to Sierra Leone. momondo saves you time and could save you money on your trip.

Can I find flights from United States to Sierra Leone with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sierra Leone from United States which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from United States to Sierra Leone?

Once you have performed a search for United States 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 United States to Sierra Leone right now. Can momondo alert me if prices change?

If you are not ready to book a flight from United States to Sierra Leone now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sierra Leone and let you know when they change.

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Popular cities in Sierra Leone

Popular flights according to clicks in the last 7 days on momondo
Flights to Freetownfrom $1,041