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Sierra Leone

$700+ Cheap flights from Chicago (CHI) 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — FNA
Apr 26 — May 31
Sun 4/26
Sun 5/3
1 adult, Economy
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Cheap flight deals from Chicago to Sierra Leone

Cheapest flights from Chicago to Sierra Leone
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 March 27, 2026.

This Turkish Airlines deal was found by Cheapflights users on 3/26. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/308:20 pm
ORD
-
FNA
2 stops22h 05m
Turkish Airlines
Thu 12/31:25 am
FNA
-
ORD
2 stops38h 40m
Turkish Airlines
Deal found 3/26$1,480
This United Airlines deal was found by Cheapflights users on 3/23. 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 5/159:35 pm
ORD
-
FNA
2 stops38h 50m
United Airlines
Fri 5/296:45 pm
FNA
-
ORD
3 stops28h 49m
United Airlines
Deal found 3/23$1,669
This United Airlines deal was found by Cheapflights users on 3/23. 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 5/1611:00 am
ORD
-
FNA
2 stops25h 25m
United Airlines
Fri 5/296:45 pm
FNA
-
ORD
3 stops28h 49m
United Airlines
Deal found 3/23$1,712
This United Airlines deal was found by Cheapflights users on 3/23. 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 10/294:25 pm
ORD
-
FNA
2 stops45h 15m
United Airlines
Mon 11/27:45 pm
FNA
-
ORD
2 stops22h 25m
United Airlines
Deal found 3/23$1,769
This KAYAK deal was found by Cheapflights users on 3/22. 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 4/215:55 pm
ORD
-
FNA
1 stop18h 30m
Multiple Airlines
Tue 4/288:05 am
FNA
-
ORD
2 stops32h 55m
Multiple Airlines
Deal found 3/22$1,813
This United Airlines deal was found by Cheapflights users on 3/22. 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 4/218:45 am
ORD
-
FNA
2 stops27h 40m
United Airlines
Tue 4/286:45 pm
FNA
-
ORD
3 stops28h 59m
United Airlines
Deal found 3/22$1,939
This FlightHub deal was found by Cheapflights users on 3/24. 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 3/2510:05 pm
ORD
-
FNA
2 stops63h 35m
Multiple Airlines
Wed 4/16:45 pm
FNA
-
ORD
3 stops26h 10m
Multiple Airlines
Deal found 3/24$1,996
This Brussels Airlines deal was found by Cheapflights users on 3/23. 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.
Sat 5/161:43 pm
ORD
-
FNA
3 stops70h 42m
Brussels Airlines
Fri 5/296:45 pm
FNA
-
ORD
3 stops47h 10m
Brussels Airlines
Deal found 3/23$2,013
This Ethiopian Air deal was found by Cheapflights users on 3/26. 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.
Mon 11/309:45 am
ORD
-
FNA
3 stops24h 40m
Ethiopian Air
Fri 12/48:05 am
FNA
-
ORD
4 stops29h 35m
Ethiopian Air
Deal found 3/26$2,054

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 March 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,669
(United Airlines)

One-way from

$700
(Trip.com)
Provider with most accurate pricing for Chicago (CHI)-Freetown Lungi Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Freetown Lungi Intl flights.
Search Deals
From Chicago (CHI) to Sierra Leone
Search Deals
One-way flight from Chicago (CHI) to Sierra Leone
Search Deals

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 2,558,603 searches. Data last updated March 27, 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

Price

Cheapest round-trip

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Fri 5/15

9:35 pm-5:25 pm

2 stops38h 50m

Freetown Lungi Intl

Fri 5/29

6:45 pm-6:34 pm

3 stops28h 49m

$1,669

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Sun 5/17

10:02 pm-5:25 pm

2 stops38h 23m

Freetown Lungi Intl

Fri 5/29

6:45 pm-4:33 pm

3 stops26h 48m

$1,669

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Sat 5/16

11:00 am-5:25 pm

2 stops25h 25m

Freetown Lungi Intl

Fri 5/29

6:45 pm-6:34 pm

3 stops28h 49m

$1,712

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Tue 4/21

1:06 pm-5:25 pm

2 stops23h 19m

Freetown Lungi Intl

Tue 4/28

8:05 am-12:00 pm

2 stops32h 55m

$1,818

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Tue 4/21

8:45 am-5:25 pm

2 stops27h 40m

Freetown Lungi Intl

Tue 4/28

6:45 pm-6:44 pm

3 stops28h 59m

$1,939

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Tue 4/21

2:35 pm-5:25 pm

3 stops69h 50m

Freetown Lungi Intl

Tue 4/28

6:45 pm-12:45 pm

3 stops23h 00m

$2,345

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Sat 5/16

8:10 pm-12:25 am

2 stops23h 15m

Freetown Lungi Intl

Sat 5/30

8:05 am-9:40 am

2 stops30h 35m

$3,339

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Fri 5/15

8:10 pm-12:25 am

2 stops23h 15m

Freetown Lungi Intl

Sat 5/30

8:05 am-9:40 am

2 stops30h 35m

$3,339
Quickest round-trip

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Tue 4/14

5:55 pm-5:25 pm

1 stop18h 30m

Freetown Lungi Intl

Thu 4/30

8:05 am-12:00 pm

2 stops32h 55m

$3,515
Cheapest one-way

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Mon 5/11

8:10 pm-12:25 am

2 stops23h 15m

$763

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 14 resultsSorted by cheapest first
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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.
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
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Sierra Leone. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Chicago to Sierra Leone?

    There are many flights that can get you from Chicago to Sierra Leone in 38h 50m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 5033 mi.

  • Can I find deals for flights from Chicago to Sierra Leone that include hotel bookings?

    Yes. In addition to deals on Chicago to Sierra Leone flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Sierra Leone?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Sierra Leone.

  • Can I find deals for business class flights from Chicago to Sierra Leone?

    Yes. Cheapflights offers flight deals from Chicago to Sierra Leone by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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