$1,626+ Cheap flights from Seattle (SEA) 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FNA
Nov 3 — Nov 101
Round-trip
1 adult, Economy
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
Best
Last-minute
Cheapest flights from Seattle to Sierra LeoneExplore 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 October 4, 2026.
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 October 4, 2026.
This Ovago deal was found by Cheapflights users on 10/1. 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.
Tue 10/273:56 pm -
3 stops41h 24m
Tue 11/108:00 am -
3 stops34h 16m
Deal found 10/1![Multiple Airlines logo]()
$1,626
This IEagle deal was found by Cheapflights users on 10/1. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:36 pm -
3 stops36h 09m
Tue 11/108:00 am -
3 stops34h 16m
Deal found 10/1![Multiple Airlines logo]()
$1,643
This Ovago deal was found by Cheapflights users on 10/1. 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.
Sun 10/259:36 pm -
3 stops35h 44m
Tue 11/108:00 am -
3 stops34h 16m
Deal found 10/1![Multiple Airlines logo]()
$1,683
This Ovago deal was found by Cheapflights users on 10/1. 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.
Sun 10/253:56 pm -
3 stops41h 24m
Mon 11/98:00 am -
3 stops44h 13m
Deal found 10/1![Multiple Airlines logo]()
$1,692
This BusinessClass deal was found by Cheapflights users on 10/1. 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.
Mon 10/268:09 am -
3 stops25h 11m
Mon 11/98:00 am -
3 stops44h 56m
Deal found 10/1![Multiple Airlines logo]()
$1,788
This Brussels Airlines deal was found by Cheapflights users on 10/1. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:09 am -
2 stops27h 16m
Mon 11/97:45 pm -
3 stops33h 11m
Deal found 10/1![Brussels Airlines logo]()
$1,790
This oojo deal was found by Cheapflights users on 10/1. 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 10/269:36 pm -
3 stops36h 09m
Tue 11/109:00 am -
4 stops43h 13m
Deal found 10/1![Ethiopian Air logo]()
$1,888
This IEagle deal was found by Cheapflights users on 10/2. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:40 pm -
3 stops35h 05m
Tue 1/128:00 am -
3 stops36h 17m
Deal found 10/2![Multiple Airlines logo]()
$2,188
This oojo deal was found by Cheapflights users on 10/1. 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 11/309:45 pm -
3 stops35h 00m
Tue 1/129:00 am -
4 stops41h 02m
Deal found 10/1![Ethiopian Air logo]()
$2,197
This KAYAK deal was found by Cheapflights users on 10/1. 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.
Tue 10/273:56 pm -
3 stops41h 24m
Mon 11/98:00 am -
3 stops34h 36m
Deal found 10/1![Multiple Airlines logo]()
$2,212
This IEagle deal was found by Cheapflights users on 10/1. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:15 am -
3 stops24h 05m
Tue 1/128:00 am -
3 stops36h 17m
Deal found 10/1![Multiple Airlines logo]()
$2,321
Best flights from Seattle to Sierra LeoneDiscover carefully curated flight deals from Seattle to Sierra Leone that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 4, 2026.
Discover carefully curated flight deals from Seattle to Sierra Leone that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 4, 2026.
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/411:00 am -
2 stops23h 40m
Mon 3/87:45 pm -
3 stops33h 20m
Deal found 9/30![United Airlines logo]()
$1,648
This Brussels Airlines deal was found by Cheapflights users on 10/1. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:50 am -
2 stops24h 35m
Tue 11/108:10 pm -
3 stops30h 53m
Deal found 10/1![Brussels Airlines logo]()
$1,790
This United deal was found by Cheapflights users on 10/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 am -
2 stops28h 40m
Tue 11/108:10 pm -
3 stops34h 57m
Deal found 10/1![Multiple Airlines logo]()
$1,790
This United Airlines deal was found by Cheapflights users on 10/3. 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.
Mon 2/18:30 am -
3 stops50h 10m
Wed 4/286:45 pm -
3 stops32h 25m
Deal found 10/3![United Airlines logo]()
$1,749
This United Airlines deal was found by Cheapflights users on 10/1. 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 10/267:00 am -
2 stops28h 40m
Wed 11/118:10 pm -
3 stops33h 29m
Deal found 10/1![United Airlines logo]()
$1,790
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Tue 10/2710:50 am -
2 stops24h 50m
Mon 11/97:45 pm -
3 stops34h 04m
Deal found 10/1![United Airlines logo]()
$1,790
This Ovago deal was found by Cheapflights users on 10/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/229:38 pm -
3 stops34h 42m
Sun 1/107:55 am -
3 stops36h 22m
Deal found 10/3![Multiple Airlines logo]()
$2,866
This Ovago deal was found by Cheapflights users on 10/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/229:38 pm -
3 stops34h 42m
Fri 1/87:55 am -
3 stops36h 22m
Deal found 10/3![Multiple Airlines logo]()
$2,912
This Justfly.com deal was found by Cheapflights users on 10/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/14:05 pm -
2 stops40h 15m
Wed 4/287:55 am -
2 stops36h 30m
Deal found 10/3![Multiple Airlines logo]()
$3,059
Last-minute flights from Seattle to Sierra LeoneDiscover last-minute flight deals from Seattle to Sierra Leone. Data last updated October 4, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Sierra Leone. Data last updated October 4, 2026 and is based on user searches.
This Ovago deal was found by Cheapflights users on 10/1. 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.
Sun 10/259:36 pm -
3 stops35h 44m
Tue 11/108:00 am -
3 stops34h 16m
Deal found 10/1![Multiple Airlines logo]()
$1,683
This Ovago deal was found by Cheapflights users on 10/1. 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.
Sun 10/253:56 pm -
3 stops41h 24m
Mon 11/98:00 am -
3 stops44h 13m
Deal found 10/1![Multiple Airlines logo]()
$1,692
This Brussels Airlines deal was found by Cheapflights users on 10/1. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:09 am -
2 stops27h 16m
Mon 11/97:45 pm -
3 stops33h 11m
Deal found 10/1![Brussels Airlines logo]()
$1,790
This IEagle deal was found by Cheapflights users on 10/1. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:36 pm -
3 stops36h 09m
Tue 11/108:00 am -
3 stops34h 16m
Deal found 10/1![Multiple Airlines logo]()
$1,643
This BusinessClass deal was found by Cheapflights users on 10/1. 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.
Mon 10/268:09 am -
3 stops25h 11m
Mon 11/98:00 am -
3 stops44h 56m
Deal found 10/1![Multiple Airlines logo]()
$1,788
This oojo deal was found by Cheapflights users on 10/1. 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 10/269:36 pm -
3 stops36h 09m
Tue 11/109:00 am -
4 stops43h 13m
Deal found 10/1![Ethiopian Air logo]()
$1,888
This KAYAK deal was found by Cheapflights users on 10/1. 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 10/268:09 am -
3 stops49h 36m
Mon 11/99:00 am -
4 stops43h 56m
Deal found 10/1![Ethiopian Air logo]()
$2,331
This Ovago deal was found by Cheapflights users on 10/1. 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.
Tue 10/273:56 pm -
3 stops41h 24m
Tue 11/108:00 am -
3 stops34h 16m
Deal found 10/1![Multiple Airlines logo]()
$1,626
This KAYAK deal was found by Cheapflights users on 10/1. 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.
Tue 10/273:56 pm -
3 stops41h 24m
Mon 11/98:00 am -
3 stops34h 36m
Deal found 10/1![Multiple Airlines logo]()
$2,212
This oojo deal was found by Cheapflights users on 10/1. 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 11/309:45 pm -
3 stops35h 00m
Tue 1/129:00 am -
4 stops41h 02m
Deal found 10/1![Ethiopian Air logo]()
$2,197
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 October 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,626 (Ovago) |
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 7,457,451 searches. Data last updated October 4, 2026.
Use the filters below to find and compare flights from Seattle to Sierra Leone that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleFreetown
SEA Seattle/Tacoma Intl - FNA Freetown Lungi Intl
SEAFNA
Seattle/Tacoma Intl
Thu 3/4
11:00 am-6:40 pm
2 stops23h 40m
Freetown Lungi Intl
Mon 3/8
7:45 pm-9:05 pm
3 stops33h 20m
$1,648
SeattleFreetown
SEA Seattle/Tacoma Intl - FNA Freetown Lungi Intl
SEAFNA
Seattle/Tacoma Intl
Mon 2/1
8:30 am-6:40 pm
3 stops50h 10m
Freetown Lungi Intl
Wed 4/28
6:45 pm-8:10 pm
3 stops32h 25m
$1,749
Quickest round-trip
SeattleFreetown
SEA Seattle/Tacoma Intl - FNA Freetown Lungi Intl
SEAFNA
Seattle/Tacoma Intl
Sun 10/25
10:50 am-6:25 pm
2 stops24h 35m
Freetown Lungi Intl
Tue 11/10
8:10 pm-7:03 pm
3 stops30h 53m
$1,790
SeattleFreetown
SEA Seattle/Tacoma Intl - FNA Freetown Lungi Intl
SEAFNA
Seattle/Tacoma Intl
Mon 10/26
7:00 am-6:40 pm
2 stops28h 40m
Freetown Lungi Intl
Tue 11/10
8:10 pm-11:07 pm
3 stops34h 57m
$1,790
SeattleFreetown
SEA Seattle/Tacoma Intl - FNA Freetown Lungi Intl
SEAFNA
Seattle/Tacoma Intl
Mon 10/26
7:00 am-6:40 pm
2 stops28h 40m
Freetown Lungi Intl
Wed 11/11
8:10 pm-9:39 pm
3 stops33h 29m
$1,790
SeattleFreetown
SEA Seattle/Tacoma Intl - FNA Freetown Lungi Intl
SEAFNA
Seattle/Tacoma Intl
Tue 10/27
10:50 am-6:40 pm
2 stops24h 50m
Freetown Lungi Intl
Mon 11/9
7:45 pm-9:49 pm
3 stops34h 04m
$1,790
SeattleFreetown
SEA Seattle/Tacoma Intl - FNA Freetown Lungi Intl
SEAFNA
Seattle/Tacoma Intl
Tue 12/22
9:38 pm-4:20 pm
3 stops34h 42m
Freetown Lungi Intl
Sun 1/10
7:55 am-12:17 pm
3 stops36h 22m
$2,866
SeattleFreetown
SEA Seattle/Tacoma Intl - FNA Freetown Lungi Intl
SEAFNA
Seattle/Tacoma Intl
Tue 12/22
9:38 pm-4:20 pm
3 stops34h 42m
Freetown Lungi Intl
Fri 1/8
7:55 am-12:17 pm
3 stops36h 22m
$2,912
SeattleFreetown
SEA Seattle/Tacoma Intl - FNA Freetown Lungi Intl
SEAFNA
Seattle/Tacoma Intl
Mon 2/1
4:05 pm-4:20 pm
2 stops40h 15m
Freetown Lungi Intl
Wed 4/28
7:55 am-1:25 pm
2 stops36h 30m
$3,059
Sorted by cheapest first
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.
SEA-FNA
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
SEA-SL0
SEA-FNA
No data available for this route at this time. Please check back soon.
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 October 4, 2026.
Get a feel of what it's like to fly with United Airlines and Brussels Airlines from Seattle to Sierra Leone by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.7
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Comfort
7.3
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.7
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Comfort
7.3
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.7
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
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
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Alternative routes for Seattle to Sierra Leone
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Sierra Leone by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Sierra Leone by cabin class
Find flights from Seattle to Sierra Leone, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Sierra Leone flights
Browse other Seattle and Sierra Leone flight options. Last updated on October 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Seattle to Sierra Leone
Discover the top 2 airlines that operate flights from Seattle 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 7,457,451 searches. Data last updated October 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,404 | Average$1,670 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,551 | Average$1,670 | FlexibilityNo cancel fee | On-time69% |