What are the cheapest airlines to fly from Sierra Leone to Washington, D.C. Dulles Intl Airport one-way?

To fly one-way, consider booking your trip with Royal Air Maroc, which is currently one of the cheapest options available, starting at $1,066. Turkish Airlines flights start at $1,181 while deals on Brussels Airlines start at $1,185 one-way.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular airlines that fly from Sierra Leone to Washington, D.C. Dulles Intl Airport?

When booking a flight from Sierra Leone to Washington, D.C. Dulles Intl Airport, you may want to consider flying on Ethiopian Air, Royal Air Maroc or Brussels Airlines as they are the most popular for this route.

What is the cheapest time of day to fly from SL to IAD?

When flying from Sierra Leone to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Sierra Leone to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Sierra Leone to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Sierra Leone to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sierra Leone to Dulles Intl.

Can I find deals for business class flights from Sierra Leone to Dulles Intl?

Yes. Cheapflights offers flight deals from Sierra Leone to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,091+ Flights from Sierra Leone to Washington, D.C. Dulles Intl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Sierra Leone to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Sierra Leone to Dulles Intl

Best flights from Sierra Leone to Dulles Intl
Discover carefully curated flight deals from Sierra Leone to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Fri 2/205:20 amFNA - IAD

1 stop18h 25mRoyal Air Maroc

Wed 2/258:45 pmIAD - FNA

1 stop26h 35mRoyal Air Maroc

Deal found 12/27

$1,209

Fri 2/208:05 amFNA - IAD

4 stops28h 55mEthiopian Air

Wed 2/258:50 pmIAD - FNA

2 stops14h 35mEthiopian Air

Deal found 12/27

$1,507

Thu 2/191:20 amFNA - IAD

2 stops23h 00mTurkish Airlines

Wed 2/259:15 pmIAD - FNA

2 stops22h 05mTurkish Airlines

Deal found 12/27

$1,704

Tue 1/69:00 amFNA - IAD

3 stops28h 00mMultiple Airlines

Fri 1/98:45 pmIAD - FNA

1 stop26h 35mMultiple Airlines

Deal found 12/26

$2,382

Tue 1/69:00 amFNA - IAD

3 stops28h 00mEthiopian Air

Fri 1/910:00 amIAD - FNA

2 stops25h 45mEthiopian Air

Deal found 12/26

$2,412

Mon 6/158:05 amFNA - IAD

3 stops28h 50mMultiple Airlines

Mon 6/229:20 pmIAD - FNA

2 stops15h 05mMultiple Airlines

Deal found 12/27

$4,071

Thu 1/158:05 amFNA - IAD

3 stops28h 55mMultiple Airlines

Wed 1/288:50 pmIAD - FNA

2 stops14h 35mMultiple Airlines

Deal found 12/26

$4,159

Last-minute flights from Sierra Leone to Dulles Intl
Discover last-minute flight deals from Sierra Leone to Dulles Intl. Data last updated December 28, 2025 and is based on user searches.

Tue 1/69:00 amFNA - IAD

3 stops28h 00mMultiple Airlines

Fri 1/98:45 pmIAD - FNA

1 stop26h 35mMultiple Airlines

Deal found 12/26

$2,382

Tue 1/69:00 amFNA - IAD

3 stops28h 00mEthiopian Air

Fri 1/910:00 amIAD - FNA

2 stops25h 45mEthiopian Air

Deal found 12/26

$2,412

One-way flights from Sierra Leone to Dulles Intl
Search for one-way flight options from Sierra Leone to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Wed 1/145:20 amFNA - IAD

1 stop18h 25mRoyal Air Maroc

Deal found 12/27

$1,091

Wed 1/148:10 pmFNA - IAD

3 stops49h 30mSWISS

Deal found 12/27

$1,197

Thu 1/158:05 amFNA - IAD

2 stops16h 00mEthiopian Air

Deal found 12/27

$1,204

Tue 1/135:20 amFNA - IAD

3 stops44h 40mMultiple Airlines

Deal found 12/27

$1,280

Mon 1/125:20 amFNA - IAD

3 stops38h 15mMultiple Airlines

Deal found 12/27

$1,293

Mon 1/125:20 amFNA - IAD

1 stop18h 25mRoyal Air Maroc

Deal found 12/27

$1,297

Wed 1/145:20 amFNA - IAD

2 stops36h 43mMultiple Airlines

Deal found 12/27

$1,332

Tue 1/138:10 pmFNA - IAD

3 stops49h 30mSWISS

Deal found 12/27

$1,349

Thu 1/1511:10 amFNA - IAD

3 stops38h 50mMultiple Airlines

Deal found 12/27

$1,420

Sun 1/115:20 amFNA - IAD

1 stop18h 25mRoyal Air Maroc

Deal found 12/27

$1,434

Find flight deals from Sierra Leone to Dulles Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,209 (Gotogate)
One-way from	$1,091 (Kiwi.com)

Provider with most accurate pricing for Freetown Lungi Intl-Washington, D.C. (WAS) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Freetown Lungi Intl-Washington, D.C. (WAS) flights.

Search Deals

From Sierra Leone to Washington, D.C. Dulles Intl

Search Deals

One-way flight from Sierra Leone to Washington, D.C. Dulles Intl

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

FreetownWashington, D.C.

FNA - IAD

FNAIAD

Freetown Lungi Intl

Fri 2/20

5:20 am-6:45 pm

1 stop18h 25m

Washington, D.C. Dulles Intl

Wed 2/25

8:45 pm-4:20 am

1 stop26h 35m

$1,209

FreetownWashington, D.C.

FNA - IAD

FNAIAD

Freetown Lungi Intl

Fri 2/20

8:05 am-8:00 am

4 stops28h 55m

Washington, D.C. Dulles Intl

Wed 2/25

8:50 pm-4:25 pm

2 stops14h 35m

$1,507

FreetownWashington, D.C.

FNA - IAD

FNAIAD

Freetown Lungi Intl

Thu 2/19

1:20 am-7:20 pm

2 stops23h 00m

Washington, D.C. Dulles Intl

Wed 2/25

9:15 pm-12:20 am

2 stops22h 05m

$1,704

FreetownWashington, D.C.

FNA - IAD

FNAIAD

Freetown Lungi Intl

Tue 1/6

9:00 am-8:00 am

3 stops28h 00m

Washington, D.C. Dulles Intl

Fri 1/9

8:45 pm-4:20 am

1 stop26h 35m

$2,382

FreetownWashington, D.C.

FNA - IAD

FNAIAD

Freetown Lungi Intl

Tue 1/6

9:00 am-8:00 am

3 stops28h 00m

Washington, D.C. Dulles Intl

Fri 1/9

10:00 am-4:45 pm

2 stops25h 45m

$2,412

FreetownWashington, D.C.

FNA - IAD

FNAIAD

Freetown Lungi Intl

Mon 6/15

8:05 am-8:55 am

3 stops28h 50m

Washington, D.C. Dulles Intl

Mon 6/22

9:20 pm-4:25 pm

2 stops15h 05m

$4,071

FreetownWashington, D.C.

FNA - IAD

FNAIAD

Freetown Lungi Intl

Thu 1/15

8:05 am-8:00 am

3 stops28h 55m

Washington, D.C. Dulles Intl

Wed 1/28

8:50 pm-4:25 pm

2 stops14h 35m

$4,159

FreetownWashington, D.C.

FNA - IAD

FNAIAD

Freetown Lungi Intl

Wed 1/14

5:20 am-6:45 pm

1 stop18h 25m

$1,091

FreetownWashington, D.C.

FNA - IAD

FNAIAD

Freetown Lungi Intl

Wed 1/14

8:10 pm-4:40 pm

3 stops49h 30m

$1,197

FreetownWashington, D.C.

FNA - IAD

FNAIAD

Freetown Lungi Intl

Tue 1/13

5:20 am-9:00 pm

3 stops44h 40m

$1,280

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 18 results

Best time to book a flight from Sierra Leone to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Sierra Leone with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sierra Leone to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Sierra Leone to Washington, D.C. Dulles Intl Airport?

Currently, October is the cheapest month in which you can book a flight from Sierra Leone to Washington, D.C. Dulles Intl Airport (average of $1,037). Flying from Sierra Leone to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $1,587). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown Brussels Airlines, Ethiopian Air, and Royal Air Maroc from Sierra Leone to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Brussels Airlines

7.2

Good

377 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Oct 2025

GVA - BRU

The flight delays in Brussels were so bad they rebooked me to Austrian Air, which was fine

Brussels Airlines

7.2

Good

377 reviews

Brussels Airlines

7.2

Good

377 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Oct 2025

GVA - BRU

The flight delays in Brussels were so bad they rebooked me to Austrian Air, which was fine

Ethiopian Air

7.2

Good

919 reviews

Brussels Airlines

7.2

Good

377 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Oct 2025

GVA - BRU

The flight delays in Brussels were so bad they rebooked me to Austrian Air, which was fine

Royal Air Maroc

6.2

Okay

545 reviews

Brussels Airlines

7.2

Good

377 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Oct 2025

GVA - BRU

The flight delays in Brussels were so bad they rebooked me to Austrian Air, which was fine

Related info for your journey

How long is the flight from Sierra Leone to Washington, D.C. Dulles Intl Airport?
A quick flight from Sierra Leone to Washington, D.C. Dulles Intl Airport can take about 18h 25m. Royal Air Maroc provides one of the quickest options available for as low as $1,209. The distance between Sierra Leone and Washington, D.C. Dulles Intl Airport is about 4463 mi. This flight may include one or multiple stops.
What are the cheapest airlines to fly from Sierra Leone to Washington, D.C. Dulles Intl Airport one-way?
To fly one-way, consider booking your trip with Royal Air Maroc, which is currently one of the cheapest options available, starting at $1,066. Turkish Airlines flights start at $1,181 while deals on Brussels Airlines start at $1,185 one-way.
Can I find deals for flights from Sierra Leone to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Sierra Leone to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sierra Leone to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sierra Leone to Dulles Intl.
Can I find deals for business class flights from Sierra Leone to Dulles Intl?
Yes. Cheapflights offers flight deals from Sierra Leone to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Sierra Leone to Washington, D.C. Dulles Intl Airport?
Currently, October is the cheapest month in which you can book a flight from Sierra Leone to Washington, D.C. Dulles Intl Airport (average of $1,037). Flying from Sierra Leone to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $1,587). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Alexandria

Woodbridge

Tysons

Arlington

Owings Mills

Springfield

Hanover

Silver Spring

Fredericksburg

Linthicum Heights

Rockville

Laurel

Towson

Manassas

National Harbor

Bowie

Largo

McLean

Clinton

Cordova

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Sierra Leone to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Royal Air Maroc	Cheapest$1,065	Average$1,347	FlexibilityNo cancel fee	On-time75%
Ethiopian Air	Cheapest$1,322	Average$1,397	FlexibilityNo cancel fee	On-time72%
Brussels Airlines	Cheapest$1,494	Average$1,564	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$1,091+ Cheap flights from Sierra Leone to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sierra Leone to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Sierra Leone to Dulles Intl

Best flights from Sierra Leone to Dulles IntlDiscover carefully curated flight deals from Sierra Leone to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Discover carefully curated flight deals from Sierra Leone to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Find flight deals from Sierra Leone to Dulles Intl

Keep the following information in mind while searching for Sierra Leone to Dulles Intl flight deals. Data was last updated December 28, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Cheapflights Fare Finder

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

Best time to book a flight from Sierra Leone to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Sierra Leone with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Sierra Leone to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Sierra Leone to Washington, D.C. Dulles Intl Airport?

Reviews of airlines servicing Dulles Intl

Related info for your journey

Find useful and relevant information for your journey from Sierra Leone to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

What are the cheapest airlines to fly from Sierra Leone to Washington, D.C. Dulles Intl Airport one-way?

Can I find deals for flights from Sierra Leone to Dulles Intl that include hotel bookings?

How can I find direct flights from Sierra Leone to Dulles Intl?

Can I find deals for business class flights from Sierra Leone to Dulles Intl?

What is the cheapest month to book a flight from Sierra Leone to Washington, D.C. Dulles Intl Airport?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sierra Leone to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Sierra Leone to Dulles Intl

100% Free

Book with Flexibility

Travel Smart

Best flights from Sierra Leone to Dulles Intl
Discover carefully curated flight deals from Sierra Leone to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.