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Sierra Leone

$728+ Cheap flights from Dulles Intl (IAD) to Sierra Leone

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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — FNA
Jun 8 — Jun 151
Mon 6/8
Mon 6/15
1 adult, Economy
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Cheap flight deals from Dulles Intl to Sierra Leone

Cheapest flights from Dulles Intl to Sierra Leone
Explore the most affordable flight options available from Dulles Intl to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 9, 2026.

This FlightHub deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:30 pm
IAD
-
FNA
2 stops29h 55m
Turkish Airlines
Tue 12/151:25 am
FNA
-
IAD
2 stops22h 50m
Turkish Airlines
Deal found 5/5$1,211
This Fareboom deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:45 pm
IAD
-
FNA
1 stop26h 35m
Royal Air Maroc
Wed 12/165:20 am
FNA
-
IAD
1 stop18h 25m
Royal Air Maroc
Deal found 5/5$1,225
This Royal Air Maroc deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Royal Air Maroc is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:00 pm
IAD
-
FNA
1 stop27h 25m
Royal Air Maroc
Sun 10/45:25 am
FNA
-
IAD
1 stop17h 35m
Royal Air Maroc
Deal found 5/5$1,268
This Fareboom deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:10 pm
IAD
-
FNA
2 stops21h 15m
Turkish Airlines
Sun 11/291:25 am
FNA
-
IAD
2 stops39h 20m
Turkish Airlines
Deal found 5/9$1,274
This FlightHub deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:30 pm
IAD
-
FNA
2 stops29h 55m
Turkish Airlines
Tue 1/51:25 am
FNA
-
IAD
2 stops22h 50m
Turkish Airlines
Deal found 5/5$1,315
This oojo deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:00 pm
IAD
-
FNA
1 stop27h 25m
Multiple Airlines
Mon 11/25:30 pm
FNA
-
IAD
3 stops54h 15m
Multiple Airlines
Deal found 5/6$1,348
This KAYAK deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:10 pm
IAD
-
FNA
2 stops22h 15m
Turkish Airlines
Tue 1/51:25 am
FNA
-
IAD
2 stops22h 50m
Turkish Airlines
Deal found 5/6$1,354
This CrystalTravel deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:50 pm
IAD
-
FNA
2 stops14h 35m
Multiple Airlines
Wed 11/258:05 am
FNA
-
IAD
2 stops16h 00m
Multiple Airlines
Deal found 5/5$1,357
This CrystalTravel deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:45 pm
IAD
-
FNA
1 stop19h 40m
Brussels Airlines
Mon 11/167:45 pm
FNA
-
IAD
2 stops23h 45m
Brussels Airlines
Deal found 5/4$1,359
This Fareboom deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/268:45 pm
IAD
-
FNA
1 stop26h 35m
Royal Air Maroc
Sun 1/245:20 am
FNA
-
IAD
1 stop18h 25m
Royal Air Maroc
Deal found 5/8$1,369

Find flight deals from Dulles Intl to Sierra Leone

Keep the following information in mind while searching for Dulles Intl to Sierra Leone flight deals. Data was last updated May 9, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$1,225
(Fareboom)

One-way from

$728
(SmartFares)

Popular in

August

Cheapest in

February

Average price

$1,396
Provider with most accurate pricing for Washington, D.C. (WAS)-Freetown Lungi Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Freetown Lungi Intl flights.
Search Deals
From Washington, D.C. Dulles Intl to Sierra Leone
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Sierra Leone
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($416 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($165 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated May 9, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Sierra Leone that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Wed 6/10

5:40 pm-5:15 pm

1 stop19h 35m

Freetown Lungi Intl

Wed 6/24

6:45 pm-2:20 pm

2 stops23h 35m

$1,476

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Tue 5/26

5:35 pm-5:25 pm

1 stop19h 50m

Freetown Lungi Intl

Mon 10/26

7:45 pm-3:30 pm

2 stops23h 45m

$1,542

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Mon 5/25

5:40 pm-5:25 pm

1 stop19h 45m

Freetown Lungi Intl

Tue 6/16

6:45 pm-4:32 pm

3 stops25h 47m

$1,575

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Mon 6/15

5:20 pm-5:25 pm

2 stops44h 05m

Freetown Lungi Intl

Tue 6/23

6:45 pm-2:20 pm

2 stops23h 35m

$1,579

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Sat 6/6

10:15 pm-5:15 pm

2 stops39h 00m

Freetown Lungi Intl

Sun 6/21

6:45 pm-2:20 pm

2 stops23h 35m

$1,581

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Wed 7/8

5:42 pm-5:25 pm

2 stops43h 43m

Freetown Lungi Intl

Tue 8/11

6:45 pm-1:30 pm

2 stops22h 45m

$1,608

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Sat 7/11

1:15 pm-5:25 pm

2 stops24h 10m

Freetown Lungi Intl

Sun 8/9

6:45 pm-7:23 am

3 stops40h 38m

$1,613

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Fri 7/10

5:42 pm-5:25 pm

2 stops43h 43m

Freetown Lungi Intl

Sun 8/9

6:45 pm-7:23 am

3 stops40h 38m

$1,618

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Tue 5/12

5:35 pm-5:25 pm

1 stop19h 50m

Freetown Lungi Intl

Wed 6/10

6:45 pm-2:20 pm

2 stops23h 35m

$1,652
Cheapest one-way

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Sun 5/31

5:34 pm-5:25 pm

3 stops43h 51m

$764

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

Have a flexible travel schedule? Discover the best time to fly to Sierra Leone from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Sierra Leone

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Sierra Leone?

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Sierra Leone, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, December is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sierra Leone (average of $940). Flying from Washington, D.C. Dulles Intl Airport to Sierra Leone in August is currently the most expensive (average of $1,192). 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 Sierra Leone

Get insights into the airlines that provide service to Sierra Leone. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sierra Leone. Reviews last updated May 9, 2026.
See what other customers who have flown with Turkish Airlines,United Airlines, andBrussels Airlines from Washington, D.C. Dulles Intl Airport to Sierra Leone have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.4
Good
4,356 reviews

Entertainment

7.5

Boarding

7.3

Overall

7.4

Crew

7.8

Comfort

7.3

Food

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DEN - IST

The seat assignments that were booked well in advance and paid extra for were all changed and incorrect. This includes the bassinet we requested at time of booking being unavailable and the row we selected not being in the bassinet aisle.
Turkish Airlines
7.4
Good
4,356 reviews
Turkish Airlines
7.4
Good
4,356 reviews

Entertainment

7.5

Boarding

7.3

Overall

7.4

Crew

7.8

Comfort

7.3

Food

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DEN - IST

The seat assignments that were booked well in advance and paid extra for were all changed and incorrect. This includes the bassinet we requested at time of booking being unavailable and the row we selected not being in the bassinet aisle.
United Airlines
7.4
Good
9,694 reviews
Turkish Airlines
7.4
Good
4,356 reviews

Entertainment

7.5

Boarding

7.3

Overall

7.4

Crew

7.8

Comfort

7.3

Food

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DEN - IST

The seat assignments that were booked well in advance and paid extra for were all changed and incorrect. This includes the bassinet we requested at time of booking being unavailable and the row we selected not being in the bassinet aisle.
Brussels Airlines
7.3
Good
406 reviews
Turkish Airlines
7.4
Good
4,356 reviews

Entertainment

7.5

Boarding

7.3

Overall

7.4

Crew

7.8

Comfort

7.3

Food

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DEN - IST

The seat assignments that were booked well in advance and paid extra for were all changed and incorrect. This includes the bassinet we requested at time of booking being unavailable and the row we selected not being in the bassinet aisle.
Ethiopian Air
7.2
Good
999 reviews
Turkish Airlines
7.4
Good
4,356 reviews

Entertainment

7.5

Boarding

7.3

Overall

7.4

Crew

7.8

Comfort

7.3

Food

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DEN - IST

The seat assignments that were booked well in advance and paid extra for were all changed and incorrect. This includes the bassinet we requested at time of booking being unavailable and the row we selected not being in the bassinet aisle.
Royal Air Maroc
6.2
Okay
604 reviews
Turkish Airlines
7.4
Good
4,356 reviews

Entertainment

7.5

Boarding

7.3

Overall

7.4

Crew

7.8

Comfort

7.3

Food

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DEN - IST

The seat assignments that were booked well in advance and paid extra for were all changed and incorrect. This includes the bassinet we requested at time of booking being unavailable and the row we selected not being in the bassinet aisle.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Sierra Leone. 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 Washington, D.C. Dulles Intl Airport to Sierra Leone?

    For as low as $1,476, United Airlines can have you in Sierra Leone from Washington, D.C. Dulles Intl Airport in 19h 35m. Washington, D.C. Dulles Intl Airport and Sierra Leone are separated by a distance of 4463 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Sierra Leone 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 Washington, D.C. Dulles Intl Airport to Sierra Leone?

    Currently, December is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sierra Leone (average of $940). Flying from Washington, D.C. Dulles Intl Airport to Sierra Leone in August is currently the most expensive (average of $1,192). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Dulles Intl to Sierra Leone

Discover the top 6 airlines that operate flights from Dulles Intl to Sierra Leone. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$1,092Average$1,280FlexibilityNo cancel feeOn-time77%
Ethiopian AirCheapest$1,105Average$1,634FlexibilityNo cancel feeOn-time72%
Royal Air MarocCheapest$1,118Average$1,569FlexibilityNo cancel feeOn-time75%
Brussels AirlinesCheapest$1,202Average$1,394FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,209Average$1,476FlexibilityNo cancel feeOn-time69%
SWISSCheapest$1,322Average$1,500FlexibilityNo cancel feeOn-time79%

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