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Sierra Leone

$616+ Cheap flights from Illinois 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FNA
Mar 9 — Mar 161
Sun 3/9
Sun 3/16
1 adult, Economy
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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 March 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,563
(oojo)

One-way from

$616
(oojo)
Provider with most accurate pricing for Chicago (CHI)-Freetown Lungi Intl flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Freetown Lungi Intl flights.
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From Illinois to Sierra Leone
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One-way flight from Illinois to Sierra Leone
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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 March 4, 2025.

This oojo deal was found by Cheapflights users on 3/3. 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.
Mon 4/1410:15 amORD - FNA
2 stops26h 05mEthiopian Air
Mon 4/219:00 amFNA - ORD
4 stops52h 05mEthiopian Air
Deal found 3/3$1,563
This oojo deal was found by Cheapflights users on 3/3. 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.
Mon 4/1411:25 amORD - FNA
2 stops32h 00mTurkish Airlines
Sun 4/201:25 amFNA - ORD
2 stops37h 15mTurkish Airlines
Deal found 3/3$1,579
This Gurufare deal was found by Cheapflights users on 3/3. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1410:15 amORD - FNA
2 stops26h 05mMultiple Airlines
Mon 4/218:05 amFNA - ORD
3 stops53h 00mMultiple Airlines
Deal found 3/3$1,654
This Gotogate deal was found by Cheapflights users on 3/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/186:35 pmORD - FNA
2 stops41h 50mSWISS
Fri 4/256:45 pmFNA - ORD
3 stops46h 25mSWISS
Deal found 3/3$1,785
This United deal was found by Cheapflights users on 3/4. 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.
Fri 3/218:50 amORD - FNA
2 stops28h 25mUnited Airlines
Thu 3/277:35 pmFNA - ORD
3 stops40h 50mUnited Airlines
Deal found 3/4$1,872
This United deal was found by Cheapflights users on 3/3. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/305:27 pmSTL - FNA
2 stops42h 58mMultiple Airlines
Sun 7/66:45 pmFNA - STL
3 stops44h 03mMultiple Airlines
Deal found 3/3$1,909
This Air Canada deal was found by Cheapflights users on 3/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/305:27 pmSTL - FNA
3 stops42h 58mAir Canada
Sun 7/66:45 pmFNA - STL
3 stops30h 15mAir Canada
Deal found 3/3$1,973
This Ovago deal was found by Cheapflights users on 3/4. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/105:33 pmSTL - FNA
3 stops25h 47mTurkish Airlines
Sat 4/191:25 amFNA - STL
3 stops42h 17mTurkish Airlines
Deal found 3/4$2,038
This Gurufare deal was found by Cheapflights users on 3/4. 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.
Mon 3/101:00 pmSTL - FNA
2 stops24h 15mBrussels Airlines
Sun 4/206:45 pmFNA - STL
2 stops29h 33mBrussels Airlines
Deal found 3/4$2,398
This KAYAK deal was found by Cheapflights users on 3/4. 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.
Fri 3/215:55 pmORD - FNA
1 stop19h 20mBrussels Airlines
Thu 3/277:35 pmFNA - ORD
2 stops22h 40mBrussels Airlines
Deal found 3/4$3,106

Find flights from Illinois to Sierra Leone within your budget

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 March 4, 2025.

Fly from

Illinois

Fly to

Sierra Leone

Route

Depart

Return

Price

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Mon 4/14

10:15 am-5:20 pm

2 stops26h 05m

Freetown Lungi Intl

Mon 4/21

9:00 am-8:05 am

4 stops52h 05m

$1,563

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Mon 4/14

11:25 am-12:25 am

2 stops32h 00m

Freetown Lungi Intl

Sun 4/20

1:25 am-9:40 am

2 stops37h 15m

$1,579

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Mon 4/14

10:15 am-5:20 pm

2 stops26h 05m

Freetown Lungi Intl

Mon 4/21

8:05 am-8:05 am

3 stops53h 00m

$1,654

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Fri 4/18

6:35 pm-5:25 pm

2 stops41h 50m

Freetown Lungi Intl

Fri 4/25

6:45 pm-12:10 pm

3 stops46h 25m

$1,785

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Fri 3/21

8:50 am-6:15 pm

2 stops28h 25m

Freetown Lungi Intl

Thu 3/27

7:35 pm-7:25 am

3 stops40h 50m

$1,872

St. LouisFreetown

STL - FNA

STLFNA

Lambert-St Louis

Fri 5/30

5:27 pm-5:25 pm

2 stops42h 58m

Freetown Lungi Intl

Sun 7/6

6:45 pm-9:48 am

3 stops44h 03m

$1,909

St. LouisFreetown

STL - FNA

STLFNA

Lambert-St Louis

Fri 5/30

5:27 pm-5:25 pm

3 stops42h 58m

Freetown Lungi Intl

Sun 7/6

6:45 pm-8:00 pm

3 stops30h 15m

$1,973

St. LouisFreetown

STL - FNA

STLFNA

Lambert-St Louis

Fri 5/30

8:10 am-12:25 am

3 stops35h 15m

Freetown Lungi Intl

Sat 7/5

1:25 am-10:45 pm

3 stops50h 20m

$2,381

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Fri 3/21

5:55 pm-6:15 pm

1 stop19h 20m

Freetown Lungi Intl

Thu 3/27

7:35 pm-1:15 pm

2 stops22h 40m

$3,106

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Mon 4/21

1:26 pm-4:25 am

2 stops33h 59m

$616

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 12 results
1
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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.

Travel insights for flights from Illinois to Sierra Leone

Get recent, data-driven insights about flights from Illinois to Sierra Leone including ideal travel times, pricing trends, and more.

Rainfall in Sierra Leone by month

Plan your trip to Sierra Leone by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sierra Leone ranges from 0.0 - 23.2 inches per month. July is typically the wettest month, when rainfall can reach 23.2 in. January is typically the driest time to visit Sierra Leone when rainfall is around 0.0 in.

Temperature in Sierra Leone by month

Plan your trip to Sierra Leone by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sierra Leone, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 77.0 F).

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 March 4, 2025.
Read reviews from past customers who have flown SWISS, United Airlines and Turkish Airlines from Illinois to Sierra Leone. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,560 reviews

Boarding

7.6

Food

7.0

Crew

8.2

Overall

7.5

Comfort

7.3

Entertainment

6.7

Reviews

1 / 20

6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

SWISS
7.5
Good
1,560 reviews
SWISS
7.5
Good
1,560 reviews

Boarding

7.6

Food

7.0

Crew

8.2

Overall

7.5

Comfort

7.3

Entertainment

6.7

Reviews

1 / 20

6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

United Airlines
7.4
Good
8,678 reviews
SWISS
7.5
Good
1,560 reviews

Boarding

7.6

Food

7.0

Crew

8.2

Overall

7.5

Comfort

7.3

Entertainment

6.7

Reviews

1 / 20

6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Turkish Airlines
7.3
Good
3,790 reviews
SWISS
7.5
Good
1,560 reviews

Boarding

7.6

Food

7.0

Crew

8.2

Overall

7.5

Comfort

7.3

Entertainment

6.7

Reviews

1 / 20

6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Brussels Airlines
7.3
Good
341 reviews
SWISS
7.5
Good
1,560 reviews

Boarding

7.6

Food

7.0

Crew

8.2

Overall

7.5

Comfort

7.3

Entertainment

6.7

Reviews

1 / 20

6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Ethiopian Air
7.2
Good
766 reviews
SWISS
7.5
Good
1,560 reviews

Boarding

7.6

Food

7.0

Crew

8.2

Overall

7.5

Comfort

7.3

Entertainment

6.7

Reviews

1 / 20

6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

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.

  • 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.

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

    Currently, February is the cheapest month in which you can book a flight from Illinois to Sierra Leone (average of $1,174). Flying from Illinois 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

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Alternative routes for Illinois to Sierra Leone

See prices for flight routes from nearby airports that may be better suited for you.
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