$1,521+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — FNA
Oct 5 — Oct 121
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 September 5, 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 September 5, 2026.
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.
Fri 9/259:35 pm -
2 stops38h 50m
Mon 10/126:35 pm -
2 stops22h 25m
Deal found 9/1![United Airlines logo]()
$1,572
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/224:10 pm -
2 stops20h 30m
Wed 1/208:10 pm -
3 stops48h 01m
Deal found 9/4![SWISS logo]()
$2,458
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/71:55 pm -
2 stops22h 45m
Tue 1/58:10 pm -
3 stops44h 57m
Deal found 9/4![Air Canada logo]()
$2,487
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:30 pm -
3 stops37h 15m
Tue 1/59:00 am -
3 stops28h 40m
Deal found 9/4![Ethiopian Air logo]()
$2,672
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:50 pm -
1 stop18h 50m
Tue 1/58:10 pm -
3 stops28h 35m
Deal found 9/4![Multiple Airlines logo]()
$2,710
This Ethiopian Air 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/229:45 am -
2 stops25h 00m
Wed 1/208:00 am -
4 stops29h 40m
Deal found 9/4![Ethiopian Air logo]()
$2,797
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.
Fri 9/259:52 pm -
3 stops37h 53m
Mon 10/128:00 am -
3 stops53h 15m
Deal found 9/1![Ethiopian Air logo]()
$2,820
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/229:45 am -
2 stops25h 00m
Wed 1/205:20 am -
2 stops25h 30m
Deal found 9/4![Multiple Airlines logo]()
$2,948
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:50 pm -
1 stop18h 50m
Tue 1/58:10 pm -
3 stops29h 55m
Deal found 9/4![Multiple Airlines logo]()
$2,951
This Mytrip deal was found by Cheapflights users on 9/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/156:30 pm -
3 stops27h 50m
Fri 1/227:55 am -
2 stops36h 35m
Deal found 9/3![Multiple Airlines logo]()
$3,006
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 September 5, 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 September 5, 2026.
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/303:45 pm -
2 stops44h 40m
Tue 2/98:10 pm -
3 stops24h 42m
Deal found 8/31![Multiple Airlines logo]()
$1,521
This oojo deal was found by Cheapflights users on 9/3. 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 oojo 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 2/99:00 am -
3 stops28h 40m
Deal found 9/3![Ethiopian Air logo]()
$1,534
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.
Fri 9/259:52 pm -
2 stops38h 33m
Mon 10/126:35 pm -
3 stops32h 53m
Deal found 9/1![United Airlines logo]()
$1,576
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 1/305:50 pm -
1 stop18h 50m
Tue 2/98:10 pm -
2 stops22h 00m
Deal found 9/4![United Airlines logo]()
$1,637
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 1/165:50 pm -
1 stop18h 50m
Tue 1/268:10 pm -
3 stops43h 34m
Deal found 8/31![United Airlines logo]()
$1,654
Last-minute flights from Chicago to Sierra LeoneDiscover last-minute flight deals from Chicago to Sierra Leone. Data last updated September 5, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Sierra Leone. Data last updated September 5, 2026 and is based on user searches.
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.
Fri 9/259:35 pm -
2 stops38h 50m
Mon 10/126:35 pm -
2 stops22h 25m
Deal found 9/1![United Airlines logo]()
$1,572
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.
Fri 9/259:52 pm -
3 stops37h 53m
Mon 10/128:00 am -
3 stops53h 15m
Deal found 9/1![Ethiopian Air logo]()
$2,820
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 September 5, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $1,521 (FlightHub) |
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 September 5, 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
Sat 1/30
3:45 pm-6:25 pm
2 stops44h 40m
Freetown Lungi Intl
Tue 2/9
8:10 pm-2:52 pm
3 stops24h 42m
$1,521
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
9:00 am-7:40 am
3 stops28h 40m
$1,534
ChicagoFreetown
ORD Chicago O'Hare Intl - FNA Freetown Lungi Intl
ORDFNA
Chicago O'Hare Intl
Fri 9/25
9:52 pm-5:25 pm
2 stops38h 33m
Freetown Lungi Intl
Mon 10/12
6:35 pm-10:28 pm
3 stops32h 53m
$1,576
Quickest round-trip
ChicagoFreetown
ORD Chicago O'Hare Intl - FNA Freetown Lungi Intl
ORDFNA
Chicago O'Hare Intl
Sat 1/30
5:50 pm-6:40 pm
1 stop18h 50m
Freetown Lungi Intl
Tue 2/9
8:10 pm-12:10 pm
2 stops22h 00m
$1,637
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-9:44 am
3 stops43h 34m
$1,654
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.
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