$1,586+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FNA
Oct 4 — Oct 111
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 September 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 September 4, 2026.
This oojo deal was found by Cheapflights users on 9/1. 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.
Thu 12/33:44 pm -
2 stops40h 36m
Thu 3/48:00 am -
2 stops34h 30m
Deal found 9/1![Ethiopian Air logo]()
$1,586
This Ovago deal was found by Cheapflights users on 9/4. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:10 am -
3 stops25h 10m
Tue 3/98:00 am -
3 stops44h 23m
Deal found 9/4![Multiple Airlines logo]()
$1,621
This SmartFares deal was found by Cheapflights users on 9/1. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:44 pm -
3 stops40h 36m
Thu 3/48:00 am -
3 stops34h 30m
Deal found 9/1![Multiple Airlines logo]()
$1,630
This Ovago deal was found by Cheapflights users on 9/4. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:10 am -
3 stops25h 10m
Mon 3/88:00 am -
3 stops44h 10m
Deal found 9/4![Multiple Airlines logo]()
$1,631
This Ovago deal was found by Cheapflights users on 8/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:00 am -
3 stops26h 20m
Wed 10/288:00 am -
3 stops32h 44m
Deal found 8/31![Multiple Airlines logo]()
$1,671
This Ovago deal was found by Cheapflights users on 9/1. 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 12/66:50 am -
3 stops25h 30m
Tue 3/28:00 am -
3 stops34h 30m
Deal found 9/1![Multiple Airlines logo]()
$1,693
This oojo deal was found by Cheapflights users on 8/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:01 pm -
2 stops35h 19m
Thu 9/179:00 am -
4 stops55h 37m
Deal found 8/31![Ethiopian Air logo]()
$1,704
This Ovago deal was found by Cheapflights users on 9/1. 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.
Fri 12/46:50 am -
3 stops25h 30m
Thu 3/48:00 am -
3 stops34h 30m
Deal found 9/1![Multiple Airlines logo]()
$1,738
This Ovago deal was found by Cheapflights users on 9/1. 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.
Thu 12/311:43 pm -
3 stops32h 37m
Fri 3/57:55 am -
3 stops34h 35m
Deal found 9/1![Multiple Airlines logo]()
$1,751
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 September 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 September 4, 2026.
This Ovago deal was found by Cheapflights users on 8/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:00 am -
3 stops26h 20m
Wed 10/288:00 am -
3 stops32h 44m
Deal found 8/31![Multiple Airlines logo]()
$1,671
This oojo deal was found by Cheapflights users on 8/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:01 pm -
3 stops35h 19m
Thu 9/179:00 am -
4 stops55h 37m
Deal found 8/31![Ethiopian Air logo]()
$1,766
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Sun 10/1110:48 pm -
2 stops35h 37m
Wed 10/288:10 pm -
3 stops31h 46m
Deal found 8/31![United Airlines logo]()
$1,771
This oojo deal was found by Cheapflights users on 8/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:36 pm -
3 stops36h 09m
Thu 10/229:00 am -
4 stops37h 51m
Deal found 8/31![Ethiopian Air logo]()
$1,863
This KAYAK deal was found by Cheapflights users on 9/2. 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.
Tue 11/1710:50 am -
2 stops23h 50m
Tue 1/128:10 pm -
3 stops47h 50m
Deal found 9/2![Multiple Airlines logo]()
$2,107
This United Airlines deal was found by Cheapflights users on 9/1. 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 12/16:50 am -
2 stops27h 50m
Wed 3/38:10 pm -
3 stops32h 00m
Deal found 9/1![United Airlines logo]()
$2,209
This United Airlines deal was found by Cheapflights users on 9/1. 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 11/308:30 am -
3 stops50h 10m
Tue 3/28:10 pm -
3 stops32h 00m
Deal found 9/1![United Airlines logo]()
$2,229
This KAYAK deal was found by Cheapflights users on 9/2. 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 11/169:49 pm -
3 stops34h 56m
Fri 1/87:55 am -
3 stops36h 22m
Deal found 9/2![Multiple Airlines logo]()
$2,353
This United Airlines deal was found by Cheapflights users on 9/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/88:09 am -
2 stops26h 31m
Wed 3/108:10 pm -
3 stops32h 55m
Deal found 9/4![United Airlines logo]()
$2,391
This United Airlines deal was found by Cheapflights users on 9/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1211:43 pm -
2 stops34h 42m
Sun 3/78:10 pm -
3 stops30h 49m
Deal found 9/4![United Airlines logo]()
$2,391
Last-minute flights from Seattle to Sierra LeoneDiscover last-minute flight deals from Seattle to Sierra Leone. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Sierra Leone. Data last updated September 4, 2026 and is based on user searches.
This United deal was found by Cheapflights users on 8/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:04 pm -
2 stops35h 21m
Thu 9/176:35 pm -
3 stops32h 43m
Deal found 8/31![Multiple Airlines logo]()
$1,771
This United deal was found by Cheapflights users on 9/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:58 pm -
2 stops35h 27m
Fri 9/186:45 pm -
3 stops28h 42m
Deal found 9/2![Multiple Airlines logo]()
$1,790
This Brussels Airlines deal was found by Cheapflights users on 8/31. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:42 am -
3 stops47h 43m
Thu 9/176:35 pm -
3 stops32h 43m
Deal found 8/31![Brussels Airlines logo]()
$1,791
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Sat 9/128:40 am -
3 stops49h 35m
Thu 9/176:35 pm -
3 stops35h 10m
Deal found 8/31![United Airlines logo]()
$1,786
This Ovago deal was found by Cheapflights users on 8/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1211:04 pm -
2 stops35h 11m
Thu 9/176:35 pm -
2 stops28h 32m
Deal found 8/31![Multiple Airlines logo]()
$1,808
This oojo deal was found by Cheapflights users on 8/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:01 pm -
2 stops35h 19m
Thu 9/179:00 am -
4 stops55h 37m
Deal found 8/31![Ethiopian Air logo]()
$1,704
This Ovago deal was found by Cheapflights users on 8/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:00 am -
3 stops26h 20m
Wed 10/288:00 am -
3 stops32h 44m
Deal found 8/31![Multiple Airlines logo]()
$1,671
This oojo deal was found by Cheapflights users on 8/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:36 pm -
3 stops36h 09m
Thu 10/228:00 am -
2 stops33h 15m
Deal found 8/31![Ethiopian Air logo]()
$1,817
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 September 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,586 (oojo) |
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 September 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
Quickest round-trip
SeattleFreetown
SEA Seattle/Tacoma Intl - FNA Freetown Lungi Intl
SEAFNA
Seattle/Tacoma Intl
Sun 10/11
7:00 am-4:20 pm
3 stops26h 20m
Freetown Lungi Intl
Wed 10/28
8:00 am-9:44 am
3 stops32h 44m
$1,671
SeattleFreetown
SEA Seattle/Tacoma Intl - FNA Freetown Lungi Intl
SEAFNA
Seattle/Tacoma Intl
Mon 9/14
10:01 pm-4:20 pm
3 stops35h 19m
Freetown Lungi Intl
Thu 9/17
9:00 am-9:37 am
4 stops55h 37m
$1,766
SeattleFreetown
SEA Seattle/Tacoma Intl - FNA Freetown Lungi Intl
SEAFNA
Seattle/Tacoma Intl
Sun 10/11
10:48 pm-5:25 pm
2 stops35h 37m
Freetown Lungi Intl
Wed 10/28
8:10 pm-8:56 pm
3 stops31h 46m
$1,771
SeattleFreetown
SEA Seattle/Tacoma Intl - FNA Freetown Lungi Intl
SEAFNA
Seattle/Tacoma Intl
Thu 10/15
9:36 pm-4:45 pm
3 stops36h 09m
Freetown Lungi Intl
Thu 10/22
9:00 am-3:51 pm
4 stops37h 51m
$1,863
SeattleFreetown
SEA Seattle/Tacoma Intl - FNA Freetown Lungi Intl
SEAFNA
Seattle/Tacoma Intl
Tue 11/17
10:50 am-6:40 pm
2 stops23h 50m
Freetown Lungi Intl
Tue 1/12
8:10 pm-12:00 pm
3 stops47h 50m
$2,107
SeattleFreetown
SEA Seattle/Tacoma Intl - FNA Freetown Lungi Intl
SEAFNA
Seattle/Tacoma Intl
Tue 12/1
6:50 am-6:40 pm
2 stops27h 50m
Freetown Lungi Intl
Wed 3/3
8:10 pm-8:10 pm
3 stops32h 00m
$2,209
SeattleFreetown
SEA Seattle/Tacoma Intl - FNA Freetown Lungi Intl
SEAFNA
Seattle/Tacoma Intl
Mon 11/30
8:30 am-6:40 pm
3 stops50h 10m
Freetown Lungi Intl
Tue 3/2
8:10 pm-8:10 pm
3 stops32h 00m
$2,229
SeattleFreetown
SEA Seattle/Tacoma Intl - FNA Freetown Lungi Intl
SEAFNA
Seattle/Tacoma Intl
Mon 11/16
9:49 pm-4:45 pm
3 stops34h 56m
Freetown Lungi Intl
Fri 1/8
7:55 am-12:17 pm
3 stops36h 22m
$2,353
SeattleFreetown
SEA Seattle/Tacoma Intl - FNA Freetown Lungi Intl
SEAFNA
Seattle/Tacoma Intl
Tue 12/8
8:09 am-6:40 pm
2 stops26h 31m
Freetown Lungi Intl
Wed 3/10
8:10 pm-9:05 pm
3 stops32h 55m
$2,391
SeattleFreetown
SEA Seattle/Tacoma Intl - FNA Freetown Lungi Intl
SEAFNA
Seattle/Tacoma Intl
Sat 12/12
11:43 pm-6:25 pm
2 stops34h 42m
Freetown Lungi Intl
Sun 3/7
8:10 pm-6:59 pm
3 stops30h 49m
$2,391
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 September 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.
Overall
7.4
Entertainment
7.1
Food
6.7
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Overall
7.4
Entertainment
7.1
Food
6.7
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Overall
7.4
Entertainment
7.1
Food
6.7
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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 September 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 September 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% |