What is the cheapest airline that flies from Washington, D.C. to Sierra Leone?

Ethiopian Air, Brussels Airlines, and SWISS are the most popular carriers operating from Washington, D.C. to Sierra Leone

How long is the flight from Washington, D.C. to Sierra Leone?

If you’re flying from a popular airport in Washington, D.C., such as Washington, D.C. or Baltimore, and flying into Sierra Leone, then you can expect flight times to average 18h 05m and 27h 04m, respectively.

What airlines fly to Sierra Leone?

Ethiopian Air, Royal Air Maroc and Brussels Airlines are the top three most popular airlines that fly to Sierra Leone from Washington, D.C. according to our data. Ethiopian Air is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Sierra Leone. Keep in mind that there are 5 different airlines that fly to Sierra Leone on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Washington, D.C. to Sierra Leone?

Prices for flights from Washington, D.C. to Sierra Leone were last updated today.

How many operators does momondo search for flights from Washington, D.C. to Sierra Leone?

The number of operators available for flights from Washington, D.C. to Sierra Leone is 5 as of November 2026.

How old do you have to be to fly from Washington, D.C. 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 Washington, D.C. to Sierra Leone.

What documentation or ID do you need to fly to Sierra Leone?

The travel and health documents you'll need for your trip to Sierra Leone may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sierra Leone. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$811 Cheap Flights from Washington, D.C. to Sierra Leone in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to Sierra Leone

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:20 pm - 4:45 pmIAD Washington, D.C. Dulles Intl-FNA Freetown Lungi Intl

39h 25m3 stops Lome Addis Ababa Bole Monrovia Roberts Intl

9:00 am - 7:30 pmFNA Freetown Lungi Intl-IAD Washington, D.C. Dulles Intl

38h 30m3 stops Monrovia Roberts Intl Addis Ababa Bole Lome

$1,404Ethiopian Air

Mon, Apr 19 - Sun, May 23

8:50 pm - 4:45 pmIAD Washington, D.C. Dulles Intl-FNA Freetown Lungi Intl

38h 55m3 stops Lome Addis Ababa Bole Monrovia Roberts Intl

9:00 am - 7:05 pmFNA Freetown Lungi Intl-IAD Washington, D.C. Dulles Intl

39h 05m3 stops Monrovia Roberts Intl Addis Ababa Bole Lome

$1,404Ethiopian Air

Mon, Feb 8 - Sun, Feb 14

8:50 pm - 4:20 pmIAD Washington, D.C. Dulles Intl-FNA Freetown Lungi Intl

14h 30m2 stops Lome Accra Kotoka

7:55 am - 7:05 pmFNA Freetown Lungi Intl-IAD Washington, D.C. Dulles Intl

16h 10m2 stops Accra Kotoka Lome

$1,408Multiple Airlines

Mon, Jan 4 - Wed, Jan 27

8:50 pm - 4:20 pmIAD Washington, D.C. Dulles Intl-FNA Freetown Lungi Intl

14h 30m2 stops Lome Accra Kotoka

7:55 am - 7:05 pmFNA Freetown Lungi Intl-IAD Washington, D.C. Dulles Intl

16h 10m2 stops Accra Kotoka Lome

$1,408Multiple Airlines

Mon, Jan 4 - Mon, Feb 1

9:05 pm - 4:20 amIAD Washington, D.C. Dulles Intl-FNA Freetown Lungi Intl

26h 15m1 stop Casablanca Mohamed V

5:20 am - 7:05 pmFNA Freetown Lungi Intl-IAD Washington, D.C. Dulles Intl

18h 45m1 stop Casablanca Mohamed V

$1,416Royal Air Maroc

Fri, Dec 4 - Fri, Dec 11

9:05 pm - 4:20 amIAD Washington, D.C. Dulles Intl-FNA Freetown Lungi Intl

26h 15m1 stop Casablanca Mohamed V

5:20 am - 7:05 pmFNA Freetown Lungi Intl-IAD Washington, D.C. Dulles Intl

18h 45m1 stop Casablanca Mohamed V

$1,418Royal Air Maroc

Sat, Jan 2 - Fri, Jan 29

5:35 pm - 5:30 pmIAD Washington, D.C. Dulles Intl-FNA Freetown Lungi Intl

19h 55m1 stop Brussels Bruxelles-National

7:00 pm - 1:30 pmFNA Freetown Lungi Intl-IAD Washington, D.C. Dulles Intl

22h 30m2 stops Monrovia Roberts Intl Brussels Bruxelles-National

$1,450Brussels Airlines

Tue, May 4 - Tue, May 18

5:45 pm - 6:40 pmIAD Washington, D.C. Dulles Intl-FNA Freetown Lungi Intl

19h 55m1 stop Brussels Bruxelles-National

8:10 pm - 2:30 pmFNA Freetown Lungi Intl-IAD Washington, D.C. Dulles Intl

23h 20m2 stops Monrovia Roberts Intl Brussels Bruxelles-National

$1,470United Airlines

Tue, Feb 16 - Tue, Mar 9

12:36 pm - 6:40 pmIAD Washington, D.C. Dulles Intl-FNA Freetown Lungi Intl

25h 04m2 stops Newark Brussels Bruxelles-National

8:10 pm - 2:30 pmFNA Freetown Lungi Intl-IAD Washington, D.C. Dulles Intl

23h 20m2 stops Monrovia Roberts Intl Brussels Bruxelles-National

$1,475United Airlines

Tue, Feb 16 - Tue, Mar 9

5:30 pm - 5:30 pmIAD Washington, D.C. Dulles Intl-FNA Freetown Lungi Intl

20h 00m1 stop Brussels Bruxelles-National

7:00 pm - 2:20 pmFNA Freetown Lungi Intl-IAD Washington, D.C. Dulles Intl

23h 20m2 stops Monrovia Roberts Intl Brussels Bruxelles-National

$1,561Brussels Airlines

Mon, Apr 19 - Sun, May 23

Cheap last minute flights

Enter your travel dates to find the best prices.

10:00 am - 4:45 pmIAD Washington, D.C. Dulles Intl-FNA Freetown Lungi Intl

25h 45m2 stops Addis Ababa Bole Monrovia Roberts Intl

7:55 am - 8:00 amFNA Freetown Lungi Intl-IAD Washington, D.C. Dulles Intl

29h 05m4 stops Accra Kotoka Lome Addis Ababa Bole Rome Fiumicino

$1,588Ethiopian Air

Sun, Nov 15 - Wed, Jan 27

10:00 am - 4:45 pmIAD Washington, D.C. Dulles Intl-FNA Freetown Lungi Intl

25h 45m2 stops Addis Ababa Bole Monrovia Roberts Intl

9:00 am - 8:00 amFNA Freetown Lungi Intl-IAD Washington, D.C. Dulles Intl

28h 00m3 stops Monrovia Roberts Intl Addis Ababa Bole Rome Fiumicino

$1,722Ethiopian Air

Tue, Nov 10 - Thu, Dec 31

10:00 am - 4:20 pmIAD Washington, D.C. Dulles Intl-FNA Freetown Lungi Intl

25h 20m3 stops Addis Ababa Bole Lome Accra Kotoka

7:55 am - 8:00 amFNA Freetown Lungi Intl-IAD Washington, D.C. Dulles Intl

29h 05m4 stops Accra Kotoka Lome Addis Ababa Bole Rome Fiumicino

$1,827Ethiopian Air

Sun, Nov 15 - Wed, Jan 27

5:25 pm - 6:40 pmIAD Washington, D.C. Dulles Intl-FNA Freetown Lungi Intl

44h 15m2 stops Zurich Brussels Bruxelles-National

5:20 am - 7:05 pmFNA Freetown Lungi Intl-IAD Washington, D.C. Dulles Intl

18h 45m1 stop Casablanca Mohamed V

$2,019Multiple Airlines

Sun, Nov 15 - Wed, Jan 27

5:45 pm - 6:25 pmIAD Washington, D.C. Dulles Intl-FNA Freetown Lungi Intl

19h 40m1 stop Brussels Bruxelles-National

5:20 am - 7:05 pmFNA Freetown Lungi Intl-IAD Washington, D.C. Dulles Intl

18h 45m1 stop Casablanca Mohamed V

$2,434Multiple Airlines

Sun, Nov 15 - Wed, Jan 27

10:00 am - 4:45 pmIAD Washington, D.C. Dulles Intl-FNA Freetown Lungi Intl

25h 45m2 stops Addis Ababa Bole Monrovia Roberts Intl

7:55 am - 8:00 amFNA Freetown Lungi Intl-IAD Washington, D.C. Dulles Intl

29h 05m4 stops Accra Kotoka Lome Addis Ababa Bole Rome Fiumicino

$2,568Ethiopian Air

Tue, Nov 10 - Thu, Dec 31

6:00 am - 6:25 pmDCA Washington, D.C. Reagan-National-FNA Freetown Lungi Intl

31h 25m2 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National

5:20 am - 8:58 amFNA Freetown Lungi Intl-DCA Washington, D.C. Reagan-National

32h 38m3 stops Casablanca Mohamed V London Heathrow Toronto Pearson Intl

$2,844Multiple Airlines

Sun, Nov 15 - Wed, Jan 27

6:00 am - 6:25 pmDCA Washington, D.C. Reagan-National-FNA Freetown Lungi Intl

31h 25m2 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National

5:20 am - 9:59 pmFNA Freetown Lungi Intl-DCA Washington, D.C. Reagan-National

21h 39m2 stops Casablanca Mohamed V Montreal Pierre Elliott Trudeau Intl

$2,890Multiple Airlines

Sun, Nov 15 - Wed, Jan 27

5:45 pm - 6:40 pmIAD Washington, D.C. Dulles Intl-FNA Freetown Lungi Intl

19h 55m1 stop Brussels Bruxelles-National

9:00 am - 8:00 amFNA Freetown Lungi Intl-IAD Washington, D.C. Dulles Intl

28h 00m3 stops Monrovia Roberts Intl Addis Ababa Bole Rome Fiumicino

$3,153Multiple Airlines

Tue, Nov 10 - Thu, Dec 31

10:00 am - 4:20 pmIAD Washington, D.C. Dulles Intl-FNA Freetown Lungi Intl

25h 20m3 stops Addis Ababa Bole Lome Accra Kotoka

7:55 am - 8:00 amFNA Freetown Lungi Intl-IAD Washington, D.C. Dulles Intl

29h 05m4 stops Accra Kotoka Lome Addis Ababa Bole Rome Fiumicino

$3,719Ethiopian Air

Tue, Nov 10 - Thu, Dec 31

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United Airlines flights from Washington, D.C. to Sierra Leone

Our best United Airlines deals on Washington, D.C. to Sierra Leone flight tickets

United Airlines

Feb 16

IAD5:45 pmWashington, D.C. Dulles Intl

19h 55m

1 stop

FNA6:40 pmFreetown Lungi Intl

Mar 9

FNA8:10 pmFreetown Lungi Intl

23h 20m

2 stops

IAD2:30 pmWashington, D.C. Dulles Intl

$1,470

United Airlines

Feb 16

IAD12:36 pmWashington, D.C. Dulles Intl

25h 04m

2 stops

FNA6:40 pmFreetown Lungi Intl

Mar 9

FNA8:10 pmFreetown Lungi Intl

23h 20m

2 stops

IAD2:30 pmWashington, D.C. Dulles Intl

$1,475

United Airlines

Feb 16

DCA2:59 pmWashington, D.C. Reagan-National

22h 41m

2 stops

FNA6:40 pmFreetown Lungi Intl

Mar 9

FNA8:10 pmFreetown Lungi Intl

27h 13m

3 stops

DCA6:23 pmWashington, D.C. Reagan-National

$1,485

Brussels Airlines flights from Washington, D.C. to Sierra Leone

Our best Brussels Airlines deals on Washington, D.C. to Sierra Leone flight tickets

Brussels Airlines

May 4

DCA11:00 amWashington, D.C. Reagan-National

26h 30m

2 stops

FNA5:30 pmFreetown Lungi Intl

May 18

FNA7:00 pmFreetown Lungi Intl

26h 23m

3 stops

DCA5:23 pmWashington, D.C. Reagan-National

$1,582

Brussels Airlines

Nov 20

IAD5:25 pmWashington, D.C. Dulles Intl

44h 15m

2 stops

FNA6:40 pmFreetown Lungi Intl

Dec 15

FNA8:10 pmFreetown Lungi Intl

23h 20m

2 stops

IAD2:30 pmWashington, D.C. Dulles Intl

$1,885

Brussels Airlines

Apr 9

DCA6:55 pmWashington, D.C. Reagan-National

66h 20m

3 stops

FNA5:15 pmFreetown Lungi Intl

Apr 16

FNA7:00 pmFreetown Lungi Intl

24h 53m

3 stops

DCA3:53 pmWashington, D.C. Reagan-National

$1,935

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Sierra Leone that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Freetown

IAD Washington, D.C. Dulles Intl - FNA Freetown Lungi Intl

IADFNA

Washington, D.C. Dulles Intl

Mon 4/19

9:20 pm-4:45 pm

3 stops39h 25m

Freetown Lungi Intl

Sun 5/23

9:00 am-7:30 pm

3 stops38h 30m

$1,404

Washington, D.C.Freetown

IAD Washington, D.C. Dulles Intl - FNA Freetown Lungi Intl

IADFNA

Washington, D.C. Dulles Intl

Mon 2/8

8:50 pm-4:45 pm

3 stops38h 55m

Freetown Lungi Intl

Sun 2/14

9:00 am-7:05 pm

3 stops39h 05m

$1,404

Quickest round-trip

Washington, D.C.Freetown

IAD Washington, D.C. Dulles Intl - FNA Freetown Lungi Intl

IADFNA

Washington, D.C. Dulles Intl

Mon 1/4

8:50 pm-4:20 pm

2 stops14h 30m

Freetown Lungi Intl

Wed 1/27

7:55 am-7:05 pm

2 stops16h 10m

$1,408

Washington, D.C.Freetown

IAD Washington, D.C. Dulles Intl - FNA Freetown Lungi Intl

IADFNA

Washington, D.C. Dulles Intl

Mon 1/4

8:50 pm-4:20 pm

2 stops14h 30m

Freetown Lungi Intl

Mon 2/1

7:55 am-7:05 pm

2 stops16h 10m

$1,408

Washington, D.C.Freetown

IAD Washington, D.C. Dulles Intl - FNA Freetown Lungi Intl

IADFNA

Washington, D.C. Dulles Intl

Fri 12/4

9:05 pm-4:20 am

1 stop26h 15m

Freetown Lungi Intl

Fri 12/11

5:20 am-7:05 pm

1 stop18h 45m

$1,416

Washington, D.C.Freetown

IAD Washington, D.C. Dulles Intl - FNA Freetown Lungi Intl

IADFNA

Washington, D.C. Dulles Intl

Sat 1/2

9:05 pm-4:20 am

1 stop26h 15m

Freetown Lungi Intl

Fri 1/29

5:20 am-7:05 pm

1 stop18h 45m

$1,418

Washington, D.C.Freetown

IAD Washington, D.C. Dulles Intl - FNA Freetown Lungi Intl

IADFNA

Washington, D.C. Dulles Intl

Tue 5/4

5:35 pm-5:30 pm

1 stop19h 55m

Freetown Lungi Intl

Tue 5/18

7:00 pm-1:30 pm

2 stops22h 30m

$1,450

Washington, D.C.Freetown

IAD Washington, D.C. Dulles Intl - FNA Freetown Lungi Intl

IADFNA

Washington, D.C. Dulles Intl

Tue 2/16

5:45 pm-6:40 pm

1 stop19h 55m

Freetown Lungi Intl

Tue 3/9

8:10 pm-2:30 pm

2 stops23h 20m

$1,470

Washington, D.C.Freetown

IAD Washington, D.C. Dulles Intl - FNA Freetown Lungi Intl

IADFNA

Washington, D.C. Dulles Intl

Tue 2/16

12:36 pm-6:40 pm

2 stops25h 04m

Freetown Lungi Intl

Tue 3/9

8:10 pm-2:30 pm

2 stops23h 20m

$1,475

Washington, D.C.Freetown

IAD Washington, D.C. Dulles Intl - FNA Freetown Lungi Intl

IADFNA

Washington, D.C. Dulles Intl

Mon 4/19

5:30 pm-5:30 pm

1 stop20h 00m

Freetown Lungi Intl

Sun 5/23

7:00 pm-2:20 pm

2 stops23h 20m

$1,561

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. 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

Prices

Airlines

Other information

What is the cheapest month to fly to Sierra Leone?

The cheapest month to fly to Sierra Leone from Washington, D.C. is in February. Flight prices, which tend to average around $1,196, are often lower during this time because this is during the off-season. If you don’t want to visit Sierra Leone in February, then you should wait until January to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $1,288.

How far in advance should I book a flight from Washington, D.C. to Sierra Leone?

You are more likely to see cheaper flights to Sierra Leone from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Sierra Leone for around $1,569 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sierra Leone from Washington, D.C. for as low as $1,201 on momondo.

Can stopping save me money on Washington, D.C. to Sierra Leone flights?

You could potentially save up to 17% on your flight if you consider stops on a Washington, D.C. to Sierra Leone flight.

Cheap Washington, D.C. to Sierra Leone flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Sierra Leone

Best Price Found	$811
Fastest flight time	14h 30m
Direct flights	None

The best one-way flight to Sierra Leone from Washington, D.C. in the past 72 hours is $811. The best round-trip flight deal from Washington, D.C. to Sierra Leone found on momondo in the last 72 hours is $1,404.

The fastest flight from Washington, D.C. to Sierra Leone takes 14h 30m

There are no direct flights from Washington, D.C. to Sierra Leone. There are no popular flight routes from Washington, D.C. to Sierra Leone.

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Sierra Leone

When did momondo last update prices for flights from Washington, D.C. to Sierra Leone?
Prices for flights from Washington, D.C. to Sierra Leone were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Sierra Leone?
The number of operators available for flights from Washington, D.C. to Sierra Leone is 5 as of November 2026.
How old do you have to be to fly from Washington, D.C. 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 Washington, D.C. to Sierra Leone.
What documentation or ID do you need to fly to Sierra Leone?
The travel and health documents you'll need for your trip to Sierra Leone may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sierra Leone. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. to Sierra Leone

Compare and see reviews for airlines that fly from Washington, D.C. to Sierra Leone with momondo

Airline	Rating	Free Cancellation	Price
Turkish Airlines	PriceFrom $1,081	Free Cancellation	Rating 7.4 4,467 reviews	Search Turkish Airlines flights
Royal Air Maroc	PriceFrom $1,087	Free Cancellation	Rating 6.2 620 reviews	Search Royal Air Maroc flights
United Airlines	PriceFrom $1,213	Free Cancellation	Rating 7.3 10,472 reviews	Search United Airlines flights
Ethiopian Air	PriceFrom $1,312	Free Cancellation	Rating 7.2 1,046 reviews	Search Ethiopian Air flights
Brussels Airlines	PriceFrom $1,352	Free Cancellation	Rating 7.3 435 reviews	Search Brussels Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Sierra Leone?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Sierra Leone. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Sierra Leone with flexible booking policies on momondo?

Flights from Washington, D.C. to Sierra Leone with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Sierra Leone?

Once all potential Washington, D.C. to Sierra Leone flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Sierra Leone right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Sierra Leone from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Sierra Leone trip

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Popular cities in Sierra Leone

Flights to Freetownfrom $1,109

Cheap flights from Washington, D.C. to Sierra Leone from $811

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Sierra Leone departing on 11/13. 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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United Airlines flights from Washington, D.C. to Sierra Leone

Our best United Airlines deals on Washington, D.C. to Sierra Leone flight tickets

Brussels Airlines flights from Washington, D.C. to Sierra Leone

Our best Brussels Airlines deals on Washington, D.C. to Sierra Leone flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Sierra Leone that are best for you.

See travel insights to Sierra Leone from

How to get the cheapest flight ticket from Washington, D.C. to Sierra Leone

What is the cheapest month to fly to Sierra Leone?

How far in advance should I book a flight from Washington, D.C. to Sierra Leone?

Can stopping save me money on Washington, D.C. to Sierra Leone flights?

What is the cheapest airline that flies from Washington, D.C. to Sierra Leone?

What airlines fly to Sierra Leone?

How long is the flight from Washington, D.C. to Sierra Leone?

Cheap Washington, D.C. to Sierra Leone flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. to Sierra Leone

Best airlines flying from Washington, D.C. to Sierra Leone

Compare and see reviews for airlines that fly from Washington, D.C. to Sierra Leone with momondo

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Washington, D.C. flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Sierra Leone

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Sierra Leone

List of cabin classes available on flights landing in Sierra Leone. Availability may vary depending on flight origin and airline.

Complete your trip to Sierra Leone

Explore popular destinations other users love

According to popular flight searches on momondo this year