Sierra Leone

$1,577+ 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — FNA
Aug 19 — Aug 261
We work with more than 300 partners to bring you better travel deals

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

Keep the following information in mind while searching for Chicago to Sierra Leone flight deals. Data was last updated August 14, 2025.

Round-trip from

$1,577
(Turkish Airlines)
From Chicago (CHI) to Sierra Leone

Find 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 August 14, 2025.

This Turkish Airlines deal was found by Cheapflights users on 8/13. 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 11/1011:50 amORD - FNA
2 stops30h 35mTurkish Airlines
Thu 11/131:50 amFNA - ORD
2 stops38h 15mTurkish Airlines
Deal found 8/13$1,577
This Ovago deal was found by Cheapflights users on 8/13. 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.
Mon 12/811:50 amORD - FNA
2 stops30h 35mTurkish Airlines
Sun 12/211:25 amFNA - ORD
2 stops23h 00mTurkish Airlines
Deal found 8/13$1,607
This United Airlines deal was found by Cheapflights users on 8/14. 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 8/215:55 pmORD - FNA
1 stop18h 30mUnited Airlines
Fri 8/296:45 pmFNA - ORD
3 stops33h 30mUnited Airlines
Deal found 8/14$1,610
This Turkish Airlines deal was found by Cheapflights users on 8/13. 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 12/811:50 amORD - FNA
2 stops30h 35mTurkish Airlines
Thu 12/181:50 amFNA - ORD
2 stops22h 35mTurkish Airlines
Deal found 8/13$1,627
This oojo deal was found by Cheapflights users on 8/14. 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 9/1112:50 pmORD - FNA
3 stops46h 55mEthiopian Air
Thu 9/189:00 amFNA - ORD
3 stops28h 15mEthiopian Air
Deal found 8/14$1,644
This Ovago deal was found by Cheapflights users on 8/14. 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 8/215:55 pmORD - FNA
1 stop18h 30mBrussels Airlines
Fri 8/296:45 pmFNA - ORD
1 stop22h 10mBrussels Airlines
Deal found 8/14$1,649
This Gurufare deal was found by Cheapflights users on 8/13. 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 12/99:45 amORD - FNA
2 stops25h 00mEthiopian Air
Tue 12/239:00 amFNA - ORD
3 stops28h 40mEthiopian Air
Deal found 8/13$1,660
This Ovago deal was found by Cheapflights users on 8/14. 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 8/213:55 pmORD - FNA
2 stops20h 30mSWISS
Fri 8/296:45 pmFNA - ORD
1 stop22h 10mSWISS
Deal found 8/14$1,664
This United Airlines deal was found by Cheapflights users on 8/13. 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 12/126:00 pmORD - FNA
2 stops42h 40mUnited Airlines
Sat 12/208:05 pmFNA - ORD
2 stops22h 05mUnited Airlines
Deal found 8/13$1,809
This oojo deal was found by Cheapflights users on 8/14. 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 9/1310:15 amORD - FNA
2 stops25h 30mEthiopian Air
Sat 9/208:05 amFNA - ORD
3 stops29h 10mEthiopian Air
Deal found 8/14$1,810

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 August 14, 2025.
Use the filters below to find and compare flights from Chicago to Sierra Leone that are best for you.

Fly from

Chicago

Fly to

Sierra Leone

Route

Depart

Return

Price

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Mon 11/10

11:50 am-12:25 am

2 stops30h 35m

Freetown Lungi Intl

Thu 11/13

1:50 am-10:05 am

2 stops38h 15m

$1,577

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Mon 12/8

11:50 am-12:25 am

2 stops30h 35m

Freetown Lungi Intl

Sun 12/21

1:25 am-6:25 pm

2 stops23h 00m

$1,607

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Mon 12/8

11:50 am-12:25 am

2 stops30h 35m

Freetown Lungi Intl

Sat 12/20

1:25 am-6:25 pm

2 stops23h 00m

$1,627

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Mon 12/8

11:50 am-12:25 am

2 stops30h 35m

Freetown Lungi Intl

Thu 12/18

1:50 am-6:25 pm

2 stops22h 35m

$1,627

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Thu 9/11

12:50 pm-4:45 pm

3 stops46h 55m

Freetown Lungi Intl

Thu 9/18

9:00 am-8:15 am

3 stops28h 15m

$1,644

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Tue 12/9

9:45 am-4:45 pm

2 stops25h 00m

Freetown Lungi Intl

Tue 12/23

9:00 am-7:40 am

3 stops28h 40m

$1,660

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Tue 12/9

9:45 am-4:45 pm

2 stops25h 00m

Freetown Lungi Intl

Sun 12/21

9:00 am-7:40 am

3 stops28h 40m

$1,660

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Tue 12/9

9:45 am-4:45 pm

2 stops25h 00m

Freetown Lungi Intl

Mon 12/22

9:00 am-7:40 am

3 stops28h 40m

$1,660

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Fri 12/12

6:00 pm-6:40 pm

2 stops42h 40m

Freetown Lungi Intl

Sat 12/20

8:05 pm-12:10 pm

2 stops22h 05m

$1,809

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

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.
  • 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.

  • What is the cheapest month to book a flight from Chicago to Sierra Leone?

    Currently, February is the cheapest month in which you can book a flight from Chicago to Sierra Leone (average of $1,174). Flying from Chicago to Sierra Leone in December is currently the most expensive (average of $1,886). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.