$731+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FNA
Jul 10 — Jul 171
Round-trip
1 adult, Economy
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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
One-way
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 June 10, 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 June 10, 2026.
This Booking.com deal was found by Cheapflights users on 6/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:30 am
SEA
- FNA
3 stops21h 55m
Multiple Airlines
Mon 1/48:05 am
FNA
- SEA
3 stops44h 21m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,981
This FlightHub deal was found by Cheapflights users on 6/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/98:00 am
SEA
- FNA
3 stops24h 25m
Multiple Airlines
Tue 1/58:05 am
FNA
- SEA
3 stops34h 25m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$2,037
This oojo deal was found by Cheapflights users on 6/9. 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 7/1011:15 pm
SEA
- FNA
2 stops22h 10m
Royal Air Maroc
Fri 7/175:25 am
FNA
- SEA
2 stops34h 23m
Royal Air Maroc
Deal found 6/9![Royal Air Maroc logo]()
$2,041
This Ovago deal was found by Cheapflights users on 6/7. 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.
Wed 7/2211:15 pm
SEA
- FNA
2 stops22h 10m
Multiple Airlines
Wed 7/295:25 am
FNA
- SEA
2 stops34h 23m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$2,099
This United deal was found by Cheapflights users on 6/9. 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 7/1011:00 pm
SEA
- FNA
2 stops35h 25m
Multiple Airlines
Fri 7/176:45 pm
FNA
- SEA
3 stops31h 21m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$2,106
This KAYAK deal was found by Cheapflights users on 6/9. 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.
Wed 8/1911:15 pm
SEA
- FNA
2 stops22h 10m
Multiple Airlines
Wed 8/265:25 am
FNA
- SEA
2 stops36h 09m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$2,221
This oojo deal was found by Cheapflights users on 6/6. 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 12/99:40 pm
SEA
- FNA
4 stops59h 05m
Ethiopian Air
Tue 1/58:05 am
FNA
- SEA
3 stops44h 18m
Ethiopian Air
Deal found 6/6![Ethiopian Air logo]()
$2,267
This oojo deal was found by Cheapflights users on 6/6. 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 11/129:53 pm
SEA
- FNA
3 stops34h 52m
Ethiopian Air
Mon 1/49:00 am
FNA
- SEA
4 stops43h 26m
Ethiopian Air
Deal found 6/6![Ethiopian Air logo]()
$2,309
This oojo deal was found by Cheapflights users on 6/7. 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 7/2210:40 pm
SEA
- FNA
3 stops34h 45m
Ethiopian Air
Wed 7/298:05 am
FNA
- SEA
2 stops35h 11m
Ethiopian Air
Deal found 6/7![Ethiopian Air logo]()
$2,495
This oojo deal was found by Cheapflights users on 6/9. 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 8/198:10 am
SEA
- FNA
3 stops25h 15m
Ethiopian Air
Wed 8/268:05 am
FNA
- SEA
2 stops34h 34m
Ethiopian Air
Deal found 6/9![Ethiopian Air logo]()
$2,497
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 June 10, 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 June 10, 2026.
This Booking.com deal was found by Cheapflights users on 6/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:30 am
SEA
- FNA
3 stops21h 55m
Multiple Airlines
Mon 1/48:05 am
FNA
- SEA
3 stops44h 21m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,981
This oojo deal was found by Cheapflights users on 6/6. 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 11/129:53 pm
SEA
- FNA
3 stops34h 52m
Ethiopian Air
Mon 1/49:00 am
FNA
- SEA
4 stops43h 26m
Ethiopian Air
Deal found 6/6![Ethiopian Air logo]()
$2,309
This Ovago deal was found by Cheapflights users on 6/7. 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.
Wed 7/2211:15 pm
SEA
- FNA
2 stops22h 10m
Multiple Airlines
Wed 7/295:25 am
FNA
- SEA
2 stops34h 23m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$2,099
This United deal was found by Cheapflights users on 6/9. 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 7/1011:00 pm
SEA
- FNA
2 stops35h 25m
Multiple Airlines
Fri 7/176:45 pm
FNA
- SEA
3 stops31h 21m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$2,106
This oojo deal was found by Cheapflights users on 6/7. 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 7/2210:40 pm
SEA
- FNA
3 stops34h 45m
Ethiopian Air
Wed 7/298:05 am
FNA
- SEA
2 stops35h 11m
Ethiopian Air
Deal found 6/7![Ethiopian Air logo]()
$2,495
This oojo deal was found by Cheapflights users on 6/9. 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 8/198:10 am
SEA
- FNA
3 stops25h 15m
Ethiopian Air
Wed 8/268:05 am
FNA
- SEA
3 stops32h 32m
Ethiopian Air
Deal found 6/9![Ethiopian Air logo]()
$2,520
Last-minute flights from Seattle to Sierra LeoneDiscover last-minute flight deals from Seattle to Sierra Leone. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Sierra Leone. Data last updated June 10, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 6/9. 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 7/1011:15 pm
SEA
- FNA
2 stops22h 10m
Royal Air Maroc
Fri 7/175:25 am
FNA
- SEA
2 stops34h 23m
Royal Air Maroc
Deal found 6/9![Royal Air Maroc logo]()
$2,041
This United deal was found by Cheapflights users on 6/9. 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 7/1011:00 pm
SEA
- FNA
2 stops35h 25m
Multiple Airlines
Fri 7/176:45 pm
FNA
- SEA
3 stops31h 21m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$2,106
This Ovago deal was found by Cheapflights users on 6/7. 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.
Wed 7/2211:15 pm
SEA
- FNA
2 stops22h 10m
Multiple Airlines
Wed 7/295:25 am
FNA
- SEA
2 stops34h 23m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$2,099
This oojo deal was found by Cheapflights users on 6/7. 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 7/2210:40 pm
SEA
- FNA
3 stops34h 45m
Ethiopian Air
Wed 7/298:05 am
FNA
- SEA
2 stops35h 11m
Ethiopian Air
Deal found 6/7![Ethiopian Air logo]()
$2,495
One-way flights from Seattle to Sierra LeoneSearch for one-way flight options from Seattle to Sierra Leone. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
Search for one-way flight options from Seattle to Sierra Leone. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:03 am
SEA
- FNA
3 stops59h 22m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$731
This oojo deal was found by Cheapflights users on 6/8. 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 8/1110:19 pm
SEA
- FNA
2 stops47h 06m
Royal Air Maroc
Deal found 6/8![Royal Air Maroc logo]()
$738
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:26 am
SEA
- FNA
3 stops37h 59m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$741
This oojo deal was found by Cheapflights users on 6/8. 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 8/1010:19 pm
SEA
- FNA
2 stops23h 06m
Royal Air Maroc
Deal found 6/8![Royal Air Maroc logo]()
$752
This oojo deal was found by Cheapflights users on 6/8. 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 8/109:13 am
SEA
- FNA
4 stops48h 32m
Ethiopian Air
Deal found 6/8![Ethiopian Air logo]()
$1,282
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 June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,981 (Booking.com) |
One-way from | $731 (Kiwi.com) |
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 June 10, 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 - FNA
SEAFNA
Seattle/Tacoma Intl
Thu 11/12
10:30 am-4:25 pm
3 stops21h 55m
Freetown Lungi Intl
Mon 1/4
8:05 am-8:26 pm
3 stops44h 21m
$1,981
Quickest round-trip
SeattleFreetown
SEA - FNA
SEAFNA
Seattle/Tacoma Intl
Wed 7/22
11:15 pm-4:25 am
2 stops22h 10m
Freetown Lungi Intl
Wed 7/29
5:25 am-8:48 am
2 stops34h 23m
$2,099
SeattleFreetown
SEA - FNA
SEAFNA
Seattle/Tacoma Intl
Fri 7/10
11:00 pm-5:25 pm
2 stops35h 25m
Freetown Lungi Intl
Fri 7/17
6:45 pm-7:06 pm
3 stops31h 21m
$2,106
SeattleFreetown
SEA - FNA
SEAFNA
Seattle/Tacoma Intl
Thu 11/12
9:53 pm-4:45 pm
3 stops34h 52m
Freetown Lungi Intl
Mon 1/4
9:00 am-8:26 pm
4 stops43h 26m
$2,309
SeattleFreetown
SEA - FNA
SEAFNA
Seattle/Tacoma Intl
Wed 7/22
10:40 pm-4:25 pm
3 stops34h 45m
Freetown Lungi Intl
Wed 7/29
8:05 am-12:16 pm
2 stops35h 11m
$2,495
SeattleFreetown
SEA - FNA
SEAFNA
Seattle/Tacoma Intl
Wed 8/19
8:10 am-4:25 pm
3 stops25h 15m
Freetown Lungi Intl
Wed 8/26
8:05 am-9:37 am
3 stops32h 32m
$2,520
Cheapest one-way
SeattleFreetown
SEA - FNA
SEAFNA
Seattle/Tacoma Intl
Tue 8/11
10:03 am-4:25 am
3 stops59h 22m
$731
SeattleFreetown
SEA - FNA
SEAFNA
Seattle/Tacoma Intl
Mon 8/10
7:26 am-4:25 am
3 stops37h 59m
$741
Quickest one-way
SeattleFreetown
SEA - FNA
SEAFNA
Seattle/Tacoma Intl
Mon 8/10
10:19 pm-4:25 am
2 stops23h 06m
$752
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 June 10, 2026.
Get a feel of what it's like to fly with United 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.
Crew
8.1
Overall
7.4
Entertainment
7.1
Food
6.6
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Crew
8.1
Overall
7.4
Entertainment
7.1
Food
6.6
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
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.
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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 June 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to Sierra Leone flights
Consider these flights traveling from Seattle to Sierra Leone.
Top airline flying from Seattle to Sierra Leone
Discover the top airline 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 2,558,603 searches. Data last updated June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,551 | Average$1,670 | FlexibilityNo cancel fee | On-time69% |