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Sierra Leone

$1,602+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FNA
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
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 April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,602
(Gurufare)
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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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 April 15, 2025.

This Gurufare deal was found by Cheapflights users on 4/15. 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.
Fri 7/259:25 pmORD - FNA
2 stops39h 00mBrussels Airlines
Fri 8/86:45 pmFNA - ORD
3 stops23h 25mBrussels Airlines
Deal found 4/15$1,602
This Gotogate deal was found by Cheapflights users on 4/15. 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 5/307:05 pmORD - FNA
2 stops41h 20mMultiple Airlines
Fri 6/66:45 pmFNA - ORD
3 stops44h 07mMultiple Airlines
Deal found 4/15$1,649
This United Airlines deal was found by Cheapflights users on 4/15. 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 6/205:53 pmORD - FNA
2 stops42h 32mUnited Airlines
Fri 7/186:45 pmFNA - ORD
3 stops30h 31mUnited Airlines
Deal found 4/15$1,668
This oojo deal was found by Cheapflights users on 4/15. 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 7/256:00 amORD - FNA
2 stops41h 25mRoyal Air Maroc
Fri 8/85:25 amFNA - ORD
2 stops33h 55mRoyal Air Maroc
Deal found 4/15$1,779
This Gurufare deal was found by Cheapflights users on 4/15. 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.
Fri 7/257:05 pmORD - FNA
2 stops41h 20mSWISS
Fri 8/86:45 pmFNA - ORD
1 stop22h 10mSWISS
Deal found 4/15$1,878
This StudentUniverse deal was found by Cheapflights users on 4/15. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/269:45 amORD - FNA
1 stop25h 00mEthiopian Air
Mon 1/59:00 amFNA - ORD
1 stop28h 40mEthiopian Air
Deal found 4/15$1,967
This oojo deal was found by Cheapflights users on 4/15. 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 7/2511:25 amORD - FNA
2 stops32h 00mTurkish Airlines
Thu 8/71:25 amFNA - ORD
2 stops37h 15mTurkish Airlines
Deal found 4/15$2,076
This AranGrant deal was found by Cheapflights users on 4/15. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/187:30 amORD - FNA
3 stops28h 00mKenya Airways
Tue 1/206:30 pmFNA - ORD
3 stops53h 07mKenya Airways
Deal found 4/15$5,988

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 April 15, 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

Fri 7/25

9:25 pm-5:25 pm

2 stops39h 00m

Freetown Lungi Intl

Fri 8/8

6:45 pm-1:10 pm

3 stops23h 25m

$1,602

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Fri 5/30

7:05 pm-5:25 pm

2 stops41h 20m

Freetown Lungi Intl

Fri 6/6

6:45 pm-9:52 am

3 stops44h 07m

$1,649

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Fri 6/20

5:53 pm-5:25 pm

2 stops42h 32m

Freetown Lungi Intl

Fri 7/18

6:45 pm-8:16 pm

3 stops30h 31m

$1,668

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Fri 7/25

6:00 am-4:25 am

2 stops41h 25m

Freetown Lungi Intl

Fri 8/8

5:25 am-10:20 am

2 stops33h 55m

$1,779

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Fri 7/25

7:05 pm-5:25 pm

2 stops41h 20m

Freetown Lungi Intl

Fri 8/8

6:45 pm-11:55 am

1 stop22h 10m

$1,878

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Fri 7/25

11:25 am-12:25 am

2 stops32h 00m

Freetown Lungi Intl

Thu 8/7

1:25 am-9:40 am

2 stops37h 15m

$2,076

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

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

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 April 15, 2025.
SWISS
7.5
Good
1,578 reviews

Overall

7.5

Boarding

7.6

Entertainment

6.7

Crew

8.2

Comfort

7.3

Food

7.0

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
1,578 reviews
SWISS
7.5
Good
1,578 reviews

Overall

7.5

Boarding

7.6

Entertainment

6.7

Crew

8.2

Comfort

7.3

Food

7.0

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
8,658 reviews
SWISS
7.5
Good
1,578 reviews

Overall

7.5

Boarding

7.6

Entertainment

6.7

Crew

8.2

Comfort

7.3

Food

7.0

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
7.4
Good
345 reviews
SWISS
7.5
Good
1,578 reviews

Overall

7.5

Boarding

7.6

Entertainment

6.7

Crew

8.2

Comfort

7.3

Food

7.0

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
3,760 reviews
SWISS
7.5
Good
1,578 reviews

Overall

7.5

Boarding

7.6

Entertainment

6.7

Crew

8.2

Comfort

7.3

Food

7.0

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.
Royal Air Maroc
6.0
Okay
454 reviews
SWISS
7.5
Good
1,578 reviews

Overall

7.5

Boarding

7.6

Entertainment

6.7

Crew

8.2

Comfort

7.3

Food

7.0

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