$1,523+ Cheap flights from Chicago (CHI) 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — FNA
Nov 19 — Nov 261
Round-trip
1 adult, Economy
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Find cheap flights from Chicago 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 Chicago to Sierra Leone
Cheapest
Best
Last-minute
Cheapest flights from Chicago to Sierra LeoneExplore the most affordable flight options available from Chicago to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2026.
Explore the most affordable flight options available from Chicago to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2026.
This United deal was found by Cheapflights users on 10/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 pm -
1 stop18h 40m
Fri 11/138:10 pm -
2 stops22h 00m
Deal found 10/16![Multiple Airlines logo]()
$1,534
This United Airlines deal was found by Cheapflights users on 10/19. 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 10/272:21 pm -
2 stops23h 19m
Fri 11/138:10 pm -
3 stops31h 07m
Deal found 10/19![United Airlines logo]()
$1,609
This Booking.com deal was found by Cheapflights users on 10/19. 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.
Tue 10/2711:07 am -
3 stops26h 33m
Fri 11/138:10 pm -
3 stops29h 42m
Deal found 10/19![Air Canada logo]()
$2,060
This KAYAK deal was found by Cheapflights users on 10/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:04 am -
3 stops29h 41m
Fri 11/137:55 am -
4 stops29h 45m
Deal found 10/16![Ethiopian Air logo]()
$2,321
This Qatar Airways deal was found by Cheapflights users on 10/19. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:50 pm -
2 stops51h 30m
Thu 12/107:55 am -
3 stops36h 35m
Deal found 10/19![Multiple Airlines logo]()
$2,494
This Ovago deal was found by Cheapflights users on 10/15. 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.
Tue 12/2210:05 am -
3 stops26h 35m
Tue 1/128:10 pm -
3 stops28h 35m
Deal found 10/15![Brussels Airlines logo]()
$2,525
This Trip.com deal was found by Cheapflights users on 10/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/229:45 am -
2 stops25h 00m
Tue 1/129:00 am -
3 stops28h 40m
Deal found 10/15![Ethiopian Air logo]()
$2,528
Best flights from Chicago to Sierra LeoneDiscover carefully curated flight deals from Chicago to Sierra Leone that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 20, 2026.
Discover carefully curated flight deals from Chicago to Sierra Leone that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 20, 2026.
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Fri 3/53:35 pm -
2 stops45h 05m
Tue 3/98:10 pm -
3 stops28h 39m
Deal found 10/16![United Airlines logo]()
$1,523
This Ethiopian Air deal was found by Cheapflights users on 10/19. 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/309:45 am -
2 stops25h 00m
Tue 2/97:55 am -
4 stops29h 45m
Deal found 10/19![Ethiopian Air logo]()
$1,600
This KAYAK deal was found by Cheapflights users on 10/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/165:50 pm -
1 stop18h 50m
Tue 1/268:10 pm -
2 stops22h 00m
Deal found 10/16![Brussels Airlines logo]()
$1,770
This Ethiopian Air deal was found by Cheapflights users on 10/19. 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/59:25 pm -
4 stops61h 20m
Tue 3/99:00 am -
3 stops28h 40m
Deal found 10/19![Ethiopian Air logo]()
$2,248
Last-minute flights from Chicago to Sierra LeoneDiscover last-minute flight deals from Chicago to Sierra Leone. Data last updated October 20, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Sierra Leone. Data last updated October 20, 2026 and is based on user searches.
This United deal was found by Cheapflights users on 10/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 pm -
1 stop18h 40m
Fri 11/138:10 pm -
2 stops22h 00m
Deal found 10/16![Multiple Airlines logo]()
$1,534
This United Airlines deal was found by Cheapflights users on 10/19. 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 10/272:21 pm -
2 stops23h 19m
Fri 11/138:10 pm -
3 stops31h 07m
Deal found 10/19![United Airlines logo]()
$1,609
This Booking.com deal was found by Cheapflights users on 10/19. 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.
Tue 10/2711:07 am -
3 stops26h 33m
Fri 11/138:10 pm -
3 stops29h 42m
Deal found 10/19![Air Canada logo]()
$2,060
This KAYAK deal was found by Cheapflights users on 10/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:04 am -
3 stops29h 41m
Fri 11/137:55 am -
4 stops29h 45m
Deal found 10/16![Ethiopian Air logo]()
$2,321
Find flight deals from Chicago to Sierra Leone
Keep the following information in mind while searching for Chicago to Sierra Leone flight deals. Data was last updated October 20, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $1,326 (oojo) |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago 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 20, 2026.
Use the filters below to find and compare flights from Chicago to Sierra Leone that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoFreetown
ORD Chicago O'Hare Intl - FNA Freetown Lungi Intl
ORDFNA
Chicago O'Hare Intl
Fri 3/5
3:35 pm-6:40 pm
2 stops45h 05m
Freetown Lungi Intl
Tue 3/9
8:10 pm-6:49 pm
3 stops28h 39m
$1,523
ChicagoFreetown
ORD Chicago O'Hare Intl - FNA Freetown Lungi Intl
ORDFNA
Chicago O'Hare Intl
Sat 1/30
9:45 am-4:45 pm
2 stops25h 00m
Freetown Lungi Intl
Tue 2/9
7:55 am-7:40 am
4 stops29h 45m
$1,600
Quickest round-trip
ChicagoFreetown
ORD Chicago O'Hare Intl - FNA Freetown Lungi Intl
ORDFNA
Chicago O'Hare Intl
Sat 1/16
5:50 pm-6:40 pm
1 stop18h 50m
Freetown Lungi Intl
Tue 1/26
8:10 pm-12:10 pm
2 stops22h 00m
$1,770
ChicagoFreetown
ORD Chicago O'Hare Intl - FNA Freetown Lungi Intl
ORDFNA
Chicago O'Hare Intl
Fri 3/5
9:25 pm-4:45 pm
4 stops61h 20m
Freetown Lungi Intl
Tue 3/9
9:00 am-7:40 am
3 stops28h 40m
$2,248
Sorted by cheapest first
Best time to book a flight from Chicago to Sierra Leone
Have a flexible travel schedule? Discover the best time to fly to Sierra Leone from Chicago with our price prediction graph.
ORD-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 Chicago to Sierra Leone
CHI-SL0
ORD-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 20, 2026.
Read reviews from past customers who have flown Brussels Airlines from Chicago to Sierra Leone. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
7.9
Boarding
7.4
Entertainment
6.2
Comfort
7.1
Food
6.4
Overall
7.3
Reviews
1 / 20
8.0
ExcellentCourtney,Jul 2026
MXP - YUL
Crew
7.9
Boarding
7.4
Entertainment
6.2
Comfort
7.1
Food
6.4
Overall
7.3
Reviews
1 / 20
8.0
ExcellentCourtney,Jul 2026
MXP - YUL
Related info for your journey
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