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Sierra Leone

$1,160+ Cheap flights from Illinois 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FNA
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Find flight deals from Illinois to Sierra Leone

Cheapest flights from Illinois to Sierra Leone
Explore the most affordable flight options available from Illinois to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

This oojo deal was found by Cheapflights users on 11/2. 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 12/3111:50 amORD - FNA
2 stops30h 30mTurkish Airlines
Tue 1/271:20 amFNA - ORD
2 stops38h 45mTurkish Airlines
Deal found 11/2$1,160
This FlightHub deal was found by Cheapflights users on 11/2. 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 12/319:05 pmORD - FNA
2 stops63h 35mMultiple Airlines
Wed 1/288:10 pmFNA - ORD
3 stops24h 45mMultiple Airlines
Deal found 11/2$1,627
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 12/3112:09 pmORD - FNA
2 stops24h 16mUnited Airlines
Wed 1/288:10 pmFNA - ORD
2 stops22h 00mUnited Airlines
Deal found 11/2$1,629
This Ovago deal was found by Cheapflights users on 11/2. 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 12/315:55 pmORD - FNA
1 stop18h 30mBrussels Airlines
Wed 1/288:10 pmFNA - ORD
2 stops22h 00mBrussels Airlines
Deal found 11/2$1,715
This Turkish Airlines deal was found by Cheapflights users on 11/1. 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 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 30mTurkish Airlines
Thu 11/131:50 amFNA - ORD
2 stops38h 15mTurkish Airlines
Deal found 11/1$1,891
This Ethiopian Air deal was found by Cheapflights users on 10/30. 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 11/101:00 pmORD - FNA
3 stops45h 45mEthiopian Air
Fri 11/148:05 amFNA - ORD
3 stops29h 35mEthiopian Air
Deal found 10/30$2,260
This Ethiopian Air deal was found by Cheapflights users on 11/2. 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.
Wed 12/312:30 pmORD - FNA
3 stops19h 55mEthiopian Air
Wed 1/288:05 amFNA - ORD
4 stops29h 35mEthiopian Air
Deal found 11/2$2,916
This Gurufare deal was found by Cheapflights users on 10/31. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/139:45 amORD - FNA
2 stops25h 00mEthiopian Air
Sat 1/38:05 amFNA - ORD
3 stops29h 35mEthiopian Air
Deal found 10/31$2,962

Cheap flight deals from Illinois to Sierra Leone

Keep the following information in mind while searching for Illinois to Sierra Leone flight deals. Data was last updated November 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,646
(United Airlines)
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 Illinois to Sierra Leone
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 November 2, 2025.
Use the filters below to find and compare flights from Illinois to Sierra Leone that are best for you.

Fly from

Illinois

Fly to

Sierra Leone

Route

Depart

Return

Price

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Wed 12/31

11:50 am-12:20 am

2 stops30h 30m

Freetown Lungi Intl

Tue 1/27

1:20 am-10:05 am

2 stops38h 45m

$1,160

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Wed 12/31

9:05 pm-6:40 pm

2 stops63h 35m

Freetown Lungi Intl

Wed 1/28

8:10 pm-2:55 pm

3 stops24h 45m

$1,627

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Wed 12/31

12:09 pm-6:25 pm

2 stops24h 16m

Freetown Lungi Intl

Wed 1/28

8:10 pm-12:10 pm

2 stops22h 00m

$1,629

St. LouisFreetown

STL - FNA

STLFNA

Lambert-St Louis

Wed 3/4

12:15 pm-6:25 pm

2 stops24h 10m

Freetown Lungi Intl

Sun 3/8

8:10 pm-4:40 pm

3 stops25h 30m

$1,646

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Wed 12/31

5:55 pm-6:25 pm

1 stop18h 30m

Freetown Lungi Intl

Wed 1/28

8:10 pm-12:10 pm

2 stops22h 00m

$1,715

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Wed 12/31

2:30 pm-4:25 pm

3 stops19h 55m

Freetown Lungi Intl

Wed 1/28

8:05 am-7:40 am

4 stops29h 35m

$2,916

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Sat 12/13

9:45 am-4:45 pm

2 stops25h 00m

Freetown Lungi Intl

Sat 1/3

8:05 am-7:40 am

3 stops29h 35m

$2,962

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Sat 12/13

4:45 pm-4:20 am

2 stops29h 35m

Freetown Lungi Intl

Sat 1/3

5:20 am-2:30 pm

2 stops39h 10m

$4,144

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Sat 12/13

5:55 pm-6:40 pm

1 stop18h 45m

Freetown Lungi Intl

Sat 1/3

8:10 pm-12:10 pm

2 stops22h 00m

$4,345

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Best time to book a flight from Illinois to Sierra Leone

Have a flexible travel schedule? Discover the best time to fly to Sierra Leone from Illinois 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 Illinois 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 Illinois 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 Illinois to Sierra Leone?

    Departing from Illinois to Sierra Leone will take you 18h 30m. Airlines will cover a distance of 5033 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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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