Sierra Leone

$610+ Cheap flights from Seattle (SEA) 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. 21 — mar. 281
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle 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 Seattle to Sierra Leone

Cheapest flights from Seattle to Sierra Leone
Explore the most affordable flight options available from Seattle to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 19, 2026.

This United Airlines deal was found by Cheapflights users on 2/16. 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.
jue. 10/295:15 pm
SEA
-
FNA
2 stops42h 25m
United Airlines
lun. 11/27:45 pm
FNA
-
SEA
3 stops32h 25m
United Airlines
Deal found 2/16$1,407
This United Airlines deal was found by Cheapflights users on 2/15. 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.
dom. 4/511:59 pm
SEA
-
FNA
2 stops34h 26m
United Airlines
mar. 4/146:45 pm
FNA
-
SEA
3 stops28h 56m
United Airlines
Deal found 2/15$1,487
This Gurufare deal was found by Cheapflights users on 2/17. 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.
vie. 2/209:45 pm
SEA
-
FNA
3 stops35h 00m
Multiple Airlines
mié. 5/68:05 am
FNA
-
SEA
3 stops43h 48m
Multiple Airlines
Deal found 2/17$1,507
This KAYAK deal was found by Cheapflights users on 2/15. 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.
jue. 4/27:00 am
SEA
-
FNA
2 stops27h 25m
Brussels Airlines
mar. 4/146:45 pm
FNA
-
SEA
3 stops36h 01m
Brussels Airlines
Deal found 2/15$1,520
This Ovago deal was found by Cheapflights users on 2/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/27:00 am
SEA
-
FNA
2 stops27h 25m
Brussels Airlines
mié. 4/156:45 pm
FNA
-
SEA
3 stops33h 08m
Brussels Airlines
Deal found 2/15$1,521
This BusinessClass deal was found by Cheapflights users on 2/16. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/2010:55 am
SEA
-
FNA
2 stops23h 45m
Brussels Airlines
mié. 5/66:45 pm
FNA
-
SEA
3 stops33h 08m
Brussels Airlines
Deal found 2/16$1,532
This Gurufare deal was found by Cheapflights users on 2/15. 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.
jue. 4/22:50 pm
SEA
-
FNA
3 stops42h 35m
Multiple Airlines
mié. 4/158:05 am
FNA
-
SEA
3 stops32h 48m
Multiple Airlines
Deal found 2/15$1,539
This United Airlines deal was found by Cheapflights users on 2/15. 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.
mié. 4/12:24 pm
SEA
-
FNA
2 stops44h 01m
United Airlines
mié. 4/156:45 pm
FNA
-
SEA
3 stops33h 08m
United Airlines
Deal found 2/15$1,544
This oojo deal was found by Cheapflights users on 2/17. 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.
mié. 4/228:00 am
SEA
-
FNA
3 stops25h 25m
Ethiopian Air
sáb. 5/308:05 am
FNA
-
SEA
3 stops43h 41m
Ethiopian Air
Deal found 2/17$1,572
This United Airlines deal was found by Cheapflights users on 2/15. 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.
dom. 4/511:59 pm
SEA
-
FNA
2 stops34h 26m
United Airlines
dom. 4/126:45 pm
FNA
-
SEA
3 stops33h 08m
United Airlines
Deal found 2/15$1,583
This Ovago deal was found by Cheapflights users on 2/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/38:55 am
SEA
-
FNA
3 stops24h 30m
Multiple Airlines
mié. 4/158:05 am
FNA
-
SEA
3 stops32h 48m
Multiple Airlines
Deal found 2/15$1,590

Find flight deals from Seattle to Sierra Leone

Keep the following information in mind while searching for Seattle to Sierra Leone flight deals. Data was last updated febrero 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,487
(United Airlines)

One-way from

$610
(KAYAK)
Provider with most accurate pricing for Seattle/Tacoma Intl-Freetown Lungi Intl flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Freetown Lungi Intl flights.
From Seattle/Tacoma Intl to Sierra Leone
One-way flight from Seattle/Tacoma Intl to Sierra Leone

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle 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 febrero 19, 2026.
Use the filters below to find and compare flights from Seattle to Sierra Leone that are best for you.

Fly from

Seattle

Fly to

Sierra Leone

Route

Depart

Return

Price

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

mié. 4/1

2:24 pm-5:25 pm

2 stops44h 01m

Freetown Lungi Intl

mar. 4/14

6:45 pm-8:53 pm

3 stops33h 08m

$1,544

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

mié. 4/1

2:24 pm-5:25 pm

2 stops44h 01m

Freetown Lungi Intl

mié. 4/15

6:45 pm-8:53 pm

3 stops33h 08m

$1,544

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

mié. 4/22

8:00 am-4:25 pm

3 stops25h 25m

Freetown Lungi Intl

sáb. 5/30

8:05 am-8:46 pm

3 stops43h 41m

$1,572

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

dom. 4/5

11:59 pm-5:25 pm

2 stops34h 26m

Freetown Lungi Intl

dom. 4/12

6:45 pm-8:53 pm

3 stops33h 08m

$1,583

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

mar. 3/31

9:40 pm-4:25 pm

3 stops35h 45m

Freetown Lungi Intl

mar. 4/14

8:05 am-10:29 am

3 stops33h 24m

$1,610

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

lun. 3/30

8:00 am-5:25 pm

2 stops26h 25m

Freetown Lungi Intl

mar. 4/14

6:45 pm-8:53 pm

3 stops33h 08m

$1,694

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

lun. 3/30

8:00 am-5:25 pm

2 stops26h 25m

Freetown Lungi Intl

mié. 4/15

6:45 pm-8:53 pm

3 stops33h 08m

$1,694

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

sáb. 4/4

7:00 am-5:25 pm

2 stops27h 25m

Freetown Lungi Intl

mar. 4/14

6:45 pm-8:53 pm

3 stops33h 08m

$1,719

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

mar. 4/14

10:53 pm-4:25 am

2 stops46h 32m

$610

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

mar. 4/14

6:13 am-4:25 pm

3 stops27h 12m

$963

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/14

Best time to book a flight from Seattle to Sierra Leone

Have a flexible travel schedule? Discover the best time to fly to Sierra Leone from Seattle 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 Seattle 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 Seattle to Sierra Leone. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Seattle to Sierra Leone?

    For a flight from Seattle to Sierra Leone, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.

  • How long is the flight from Seattle to Sierra Leone?

    Departing from Seattle to Sierra Leone will take you 25h 25m. The distance between Seattle and Sierra Leone is about 6644 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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

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.

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.