Sierra Leone

$1,371+ Cheap flights from Washington to Sierra Leone

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FNA
Aug 5 — Aug 121
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Sierra Leone 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 Washington to Sierra Leone

Keep the following information in mind while searching for Washington to Sierra Leone flight deals. Data was last updated July 31, 2025.

Round-trip from

$1,371
(oojo)

Popular in

June

Cheapest in

September

Average price

$1,745
From Washington to Sierra Leone
Highest demand for flights based on searches. 5% potential increase in price ($101 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($30 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Washington to Sierra Leone

Cheapest flights from Washington to Sierra Leone
Explore the most affordable flight options available from Washington to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This oojo deal was found by Cheapflights users on 7/30. 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.
Thu 10/24:20 pmSEA - FNA
3 stops41h 25mEthiopian Air
Thu 10/239:00 amFNA - SEA
4 stops44h 37mEthiopian Air
Deal found 7/30$1,371
This Gurufare deal was found by Cheapflights users on 7/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1210:53 amSEA - FNA
2 stops23h 32mBrussels Airlines
Wed 11/198:05 pmFNA - SEA
3 stops32h 49mBrussels Airlines
Deal found 7/29$1,534
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:00 amSEA - FNA
2 stops26h 25mUnited Airlines
Sun 11/308:05 pmFNA - SEA
3 stops34h 40mUnited Airlines
Deal found 7/29$1,592
This oojo deal was found by Cheapflights users on 7/29. 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.
Wed 11/1210:53 amSEA - FNA
3 stops29h 32mTurkish Airlines
Tue 11/181:25 amFNA - SEA
2 stops23h 40mTurkish Airlines
Deal found 7/29$1,610
This oojo deal was found by Cheapflights users on 7/29. 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.
Wed 11/128:01 amSEA - FNA
2 stops35h 34mRoyal Air Maroc
Wed 11/196:50 amFNA - SEA
2 stops35h 35mRoyal Air Maroc
Deal found 7/29$1,695
This Gurufare deal was found by Cheapflights users on 7/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:00 amSEA - FNA
3 stops24h 25mMultiple Airlines
Wed 11/198:05 amFNA - SEA
3 stops44h 49mMultiple Airlines
Deal found 7/29$1,786
This KAYAK deal was found by Cheapflights users on 7/30. 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.
Sat 11/1510:52 amPDX - FNA
2 stops23h 48mBrussels Airlines
Thu 1/87:45 pmFNA - PDX
3 stops30h 20mBrussels Airlines
Deal found 7/30$1,802
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:00 amPDX - FNA
3 stops27h 25mUnited Airlines
Mon 1/127:45 pmFNA - PDX
3 stops34h 50mUnited Airlines
Deal found 7/31$1,845
This Turkish Airlines deal was found by Cheapflights users on 7/29. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:30 amPDX - FNA
3 stops34h 00mTurkish Airlines
Tue 10/211:30 amFNA - PDX
3 stops72h 43mTurkish Airlines
Deal found 7/29$2,306
This Expedia deal was found by Cheapflights users on 7/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1510:52 amPDX - FNA
2 stops23h 48mMultiple Airlines
Sat 1/105:20 amFNA - PDX
2 stops42h 35mMultiple Airlines
Deal found 7/31$3,626

Cheapflights Fare Finder

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

Fly from

Washington

Fly to

Sierra Leone

Route

Depart

Return

Price

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Thu 10/2

4:20 pm-4:45 pm

3 stops41h 25m

Freetown Lungi Intl

Thu 10/23

9:00 am-10:37 pm

4 stops44h 37m

$1,371

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Wed 11/12

10:53 am-6:25 pm

2 stops23h 32m

Freetown Lungi Intl

Wed 11/19

8:05 pm-8:54 pm

3 stops32h 49m

$1,534

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Wed 11/26

8:00 am-6:25 pm

2 stops26h 25m

Freetown Lungi Intl

Sun 11/30

8:05 pm-10:45 pm

3 stops34h 40m

$1,592

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Wed 11/12

10:53 am-12:25 am

3 stops29h 32m

Freetown Lungi Intl

Tue 11/18

1:25 am-5:05 pm

2 stops23h 40m

$1,610

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Wed 11/12

8:01 am-3:35 am

2 stops35h 34m

Freetown Lungi Intl

Wed 11/19

6:50 am-10:25 am

2 stops35h 35m

$1,695

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Wed 11/12

8:00 am-4:25 pm

3 stops24h 25m

Freetown Lungi Intl

Wed 11/19

8:05 am-8:54 pm

3 stops44h 49m

$1,786

PortlandFreetown

PDX - FNA

PDXFNA

Portland

Sat 11/15

10:52 am-6:40 pm

2 stops23h 48m

Freetown Lungi Intl

Thu 1/8

7:45 pm-6:05 pm

3 stops30h 20m

$1,802

PortlandFreetown

PDX - FNA

PDXFNA

Portland

Wed 11/12

7:00 am-6:25 pm

3 stops27h 25m

Freetown Lungi Intl

Mon 1/12

7:45 pm-10:35 pm

3 stops34h 50m

$1,845

PortlandFreetown

PDX - FNA

PDXFNA

Portland

Sat 10/18

7:30 am-12:30 am

3 stops34h 00m

Freetown Lungi Intl

Tue 10/21

1:30 am-7:13 pm

3 stops72h 43m

$2,306

PortlandFreetown

PDX - FNA

PDXFNA

Portland

Sat 11/15

10:52 am-6:40 pm

2 stops23h 48m

Freetown Lungi Intl

Sat 1/10

5:20 am-3:55 pm

2 stops42h 35m

$3,626

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Washington to Sierra Leone

Have a flexible travel schedule? Discover the best time to fly to Sierra Leone from Washington 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 to Sierra Leone

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

Find hourly flight availability from Washington to Sierra Leone. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

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

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 July 31, 2025.
Read reviews from past customers who have flown United Airlines, Turkish Airlines, and Brussels Airlines from Washington to Sierra Leone. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Washington to Sierra Leone. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find deals for flights from Washington to Sierra Leone that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Sierra Leone?

    Currently, February is the cheapest month in which you can book a flight from State of Washington to Sierra Leone (average of $1,174). Flying from State of Washington to Sierra Leone in December is currently the most expensive (average of $1,886). 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

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

Alternative routes for Washington to Sierra Leone

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

Top airline flying from Washington to Sierra Leone

Discover the top airline that operate flights from Washington 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$1,267Average$1,542FlexibilityNo cancel feeOn-time77%

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.