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Sierra Leone

$669+ Cheap flights from Washington 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FNA
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap 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 February 3, 2026.

This United Airlines deal was found by Cheapflights users on 2/2. 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.
Thu 10/2910:40 pm
SEA
-
FNA
2 stops37h 00m
United Airlines
Mon 11/27:45 pm
FNA
-
SEA
3 stops32h 25m
United Airlines
Deal found 2/2$1,408
This oojo deal was found by Cheapflights users on 2/2. 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.
Tue 3/172:30 pm
PDX
-
FNA
3 stops50h 50m
Multiple Airlines
Tue 3/311:25 am
FNA
-
PDX
3 stops38h 58m
Multiple Airlines
Deal found 2/2$1,453
This oojo deal was found by Cheapflights users on 2/2. 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.
Fri 3/137:16 am
PDX
-
FNA
3 stops34h 04m
Multiple Airlines
Sun 3/291:25 am
FNA
-
PDX
3 stops38h 58m
Multiple Airlines
Deal found 2/2$1,471
This KAYAK deal was found by Cheapflights users on 2/2. 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 2/910:58 am
SEA
-
FNA
2 stops23h 42m
Multiple Airlines
Wed 5/66:45 pm
FNA
-
SEA
3 stops24h 35m
Multiple Airlines
Deal found 2/2$1,472
This Gurufare deal was found by Cheapflights users on 2/3. 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.
Fri 2/207:00 am
SEA
-
FNA
2 stops27h 40m
Multiple Airlines
Wed 5/66:45 pm
FNA
-
SEA
3 stops24h 35m
Multiple Airlines
Deal found 2/3$1,501
This oojo deal was found by Cheapflights users on 2/2. 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.
Sun 3/153:52 pm
PDX
-
FNA
3 stops49h 28m
Multiple Airlines
Sat 3/281:25 am
FNA
-
PDX
3 stops38h 58m
Multiple Airlines
Deal found 2/2$1,521
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 2/912:57 pm
SEA
-
FNA
3 stops45h 43m
United Airlines
Wed 5/66:45 pm
FNA
-
SEA
3 stops33h 08m
United Airlines
Deal found 2/2$1,537
This oojo deal was found by Cheapflights users on 2/3. 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.
Sat 4/189:30 pm
PDX
-
FNA
3 stops67h 55m
Multiple Airlines
Thu 4/301:25 am
FNA
-
PDX
3 stops51h 48m
Multiple Airlines
Deal found 2/3$1,542
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Fri 2/67:00 am
SEA
-
FNA
2 stops27h 40m
United Airlines
Sun 2/88:10 pm
FNA
-
SEA
3 stops34h 33m
United Airlines
Deal found 2/2$1,553
This Turkish Airlines deal was found by Cheapflights users on 2/2. 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.
Thu 10/298:00 pm
SEA
-
FNA
2 stops45h 25m
Turkish Airlines
Sun 11/11:25 am
FNA
-
SEA
2 stops24h 40m
Turkish Airlines
Deal found 2/2$1,564
This SmartFares deal was found by Cheapflights users on 2/2. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1310:43 am
SEA
-
FNA
2 stops34h 37m
Multiple Airlines
Fri 6/55:25 am
FNA
-
SEA
2 stops40h 13m
Multiple Airlines
Deal found 2/2$1,640
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Thu 2/1212:12 pm
SEA
-
FNA
3 stops46h 28m
United Airlines
Wed 5/66:45 pm
FNA
-
SEA
3 stops33h 08m
United Airlines
Deal found 2/3$1,664

Find 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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,344
(KAYAK)

One-way from

$669
(KAYAK)
Provider with most accurate pricing for Seattle/Tacoma Intl-Freetown Lungi Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Freetown Lungi Intl flights.
Search Deals
From Washington to Sierra Leone
Search Deals
One-way flight from Washington to Sierra Leone
Search Deals

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 February 3, 2026.
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

PortlandFreetown

PDX - FNA

PDXFNA

Portland

Tue 3/17

2:30 pm-12:20 am

3 stops50h 50m

Freetown Lungi Intl

Tue 3/31

1:25 am-9:23 am

3 stops38h 58m

$1,453

PortlandFreetown

PDX - FNA

PDXFNA

Portland

Fri 3/13

7:16 am-12:20 am

3 stops34h 04m

Freetown Lungi Intl

Sun 3/29

1:25 am-9:23 am

3 stops38h 58m

$1,471

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Fri 2/20

10:55 am-6:40 pm

2 stops23h 45m

Freetown Lungi Intl

Wed 5/6

6:45 pm-12:20 pm

3 stops24h 35m

$1,501

PortlandFreetown

PDX - FNA

PDXFNA

Portland

Sun 3/15

3:52 pm-12:20 am

3 stops49h 28m

Freetown Lungi Intl

Sat 3/28

1:25 am-9:23 am

3 stops38h 58m

$1,521

PortlandFreetown

PDX - FNA

PDXFNA

Portland

Sat 4/18

9:30 pm-12:25 am

3 stops67h 55m

Freetown Lungi Intl

Thu 4/30

1:25 am-10:13 pm

3 stops51h 48m

$1,542

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Fri 3/13

10:43 am-4:20 am

2 stops34h 37m

Freetown Lungi Intl

Fri 6/5

5:25 am-2:38 pm

2 stops40h 13m

$1,640

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Fri 3/13

10:55 am-6:40 pm

2 stops24h 45m

Freetown Lungi Intl

Fri 6/5

6:45 pm-8:45 pm

3 stops33h 00m

$1,678

PortlandFreetown

PDX - FNA

PDXFNA

Portland

Tue 3/17

7:00 am-6:40 pm

2 stops28h 40m

Freetown Lungi Intl

Wed 4/1

6:45 pm-11:41 am

3 stops47h 56m

$1,888

PortlandFreetown

PDX - FNA

PDXFNA

Portland

Sat 4/18

7:00 am-4:45 pm

4 stops50h 45m

Freetown Lungi Intl

Fri 5/1

8:05 am-8:45 pm

3 stops43h 40m

$2,007

PortlandFreetown

PDX - FNA

PDXFNA

Portland

Fri 3/13

7:25 am-4:45 pm

4 stops50h 20m

Freetown Lungi Intl

Mon 3/30

9:00 am-10:41 pm

4 stops68h 41m

$2,329

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 14 results
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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
No data available for this route at this time. Please check back soon.

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.

  • How long is the flight from State of Washington to Sierra Leone?

    Airlines like United Airlines and Brussels Airlines fly from State of Washington to Sierra Leone in about 26h 08m. The time it takes to get you to your destination can typically vary by up to 2h 32m. Airlines will cover a distance of 6644 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

See more FAQs

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