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Sierra Leone

$1,423+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FNA
feb. 4 — feb. 111
mar. 2/4
mar. 2/11
1 adult, Economy
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Cheap flight deals from Illinois to Sierra Leone

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Sierra Leone (SL0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,423
(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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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 enero 30, 2025.

This oojo deal was found by Cheapflights users on 1/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/301:12 pmORD - FNA
2 stops34h 13mRoyal Air Maroc
vie. 5/305:25 amFNA - ORD
2 stops45h 55mRoyal Air Maroc
Deal found 1/30$1,423
This United Airlines deal was found by Cheapflights users on 1/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/169:07 pmORD - FNA
2 stops40h 08mUnited Airlines
dom. 3/237:35 pmFNA - ORD
2 stops22h 40mUnited Airlines
Deal found 1/30$1,472
This FlightHub deal was found by Cheapflights users on 1/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/307:50 pmORD - FNA
2 stops23h 35mTurkish Airlines
jue. 5/291:25 amFNA - ORD
2 stops37h 25mTurkish Airlines
Deal found 1/30$1,507
This Gotogate deal was found by Cheapflights users on 1/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/168:05 pmORD - FNA
2 stops41h 10mSWISS
dom. 3/237:35 pmFNA - ORD
3 stops26h 40mSWISS
Deal found 1/30$1,550
This Gurufare deal was found by Cheapflights users on 1/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/309:20 pmORD - FNA
2 stops39h 05mBrussels Airlines
vie. 5/306:45 pmFNA - ORD
3 stops47h 05mBrussels Airlines
Deal found 1/30$1,598
This StudentUniverse deal was found by Cheapflights users on 1/30. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/3010:15 amORD - FNA
1 stop26h 05mEthiopian Air
vie. 5/308:35 amFNA - ORD
1 stop28h 30mEthiopian Air
Deal found 1/30$1,709
This Air Canada deal was found by Cheapflights users on 1/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/309:45 pmORD - FNA
3 stops38h 40mAir Canada
vie. 5/306:45 pmFNA - ORD
3 stops25h 10mAir Canada
Deal found 1/30$1,795
This Gotogate deal was found by Cheapflights users on 1/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/168:05 pmORD - FNA
2 stops41h 10mMultiple Airlines
sáb. 3/221:20 amFNA - ORD
2 stops23h 15mMultiple Airlines
Deal found 1/30$2,043

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 enero 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

mié. 4/30

1:12 pm-4:25 am

2 stops34h 13m

Freetown Lungi Intl

vie. 5/30

5:25 am-10:20 pm

2 stops45h 55m

$1,423

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

dom. 3/16

9:07 pm-6:15 pm

2 stops40h 08m

Freetown Lungi Intl

dom. 3/23

7:35 pm-1:15 pm

2 stops22h 40m

$1,472

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

mié. 4/30

7:50 pm-12:25 am

2 stops23h 35m

Freetown Lungi Intl

jue. 5/29

1:25 am-9:50 am

2 stops37h 25m

$1,507

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

dom. 3/16

8:05 pm-6:15 pm

2 stops41h 10m

Freetown Lungi Intl

dom. 3/23

7:35 pm-5:15 pm

3 stops26h 40m

$1,550

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

mié. 4/30

9:20 pm-5:25 pm

2 stops39h 05m

Freetown Lungi Intl

vie. 5/30

6:45 pm-12:50 pm

3 stops47h 05m

$1,598

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

mié. 4/30

10:15 am-5:20 pm

1 stop26h 05m

Freetown Lungi Intl

vie. 5/30

8:35 am-8:05 am

1 stop28h 30m

$1,709

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

mié. 4/30

9:45 pm-5:25 pm

3 stops38h 40m

Freetown Lungi Intl

vie. 5/30

6:45 pm-2:55 pm

3 stops25h 10m

$1,795

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

dom. 3/16

8:05 pm-6:15 pm

2 stops41h 10m

Freetown Lungi Intl

sáb. 3/22

1:20 am-7:35 pm

2 stops23h 15m

$2,043

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

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 enero 30, 2025.
SWISS
7.5
Good
1,584 reviews

Food

7.0

Entertainment

6.7

Overall

7.5

Boarding

7.6

Crew

8.2

Comfort

7.3

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
1,584 reviews
SWISS
7.5
Good
1,584 reviews

Food

7.0

Entertainment

6.7

Overall

7.5

Boarding

7.6

Crew

8.2

Comfort

7.3

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
8,913 reviews
SWISS
7.5
Good
1,584 reviews

Food

7.0

Entertainment

6.7

Overall

7.5

Boarding

7.6

Crew

8.2

Comfort

7.3

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
3,904 reviews
SWISS
7.5
Good
1,584 reviews

Food

7.0

Entertainment

6.7

Overall

7.5

Boarding

7.6

Crew

8.2

Comfort

7.3

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
345 reviews
SWISS
7.5
Good
1,584 reviews

Food

7.0

Entertainment

6.7

Overall

7.5

Boarding

7.6

Crew

8.2

Comfort

7.3

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
773 reviews
SWISS
7.5
Good
1,584 reviews

Food

7.0

Entertainment

6.7

Overall

7.5

Boarding

7.6

Crew

8.2

Comfort

7.3

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.

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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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