How do I get Price Alerts for flights from Sierra Leone to Illinois?

You can take advantage of momondo’s Price Alerts by first searching for your flights to Sierra Leone from Illinois . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

How can I save money on flights from Sierra Leone to Illinois with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

When did momondo last update prices for flights from Sierra Leone to Illinois?

Prices for flights from Sierra Leone to Illinois were last updated today.

How old do you have to be to fly from Sierra Leone to Illinois?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sierra Leone to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$1,604 Cheap Flights from Sierra Leone to Illinois in 2026

Find the cheapest flights from Sierra Leone to Illinois

Round-trip

Last minute

Recent round-trip flight deals from Sierra Leone to Illinois

Enter your travel dates to find the best prices.

6:45 pm - 11:21 amFNA Freetown Lungi Intl-ORD Chicago O'Hare Intl

45h 36m3 stops Monrovia Roberts Intl Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

2:20 pm - 5:25 pmORD Chicago O'Hare Intl-FNA Freetown Lungi Intl

22h 05m2 stops Zurich Brussels Bruxelles-National

$1,604Multiple Airlines

Sun, Sep 20 - Thu, Oct 1

6:45 pm - 10:15 amFNA Freetown Lungi Intl-ORD Chicago O'Hare Intl

44h 30m3 stops Monrovia Roberts Intl Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

2:20 pm - 5:25 pmORD Chicago O'Hare Intl-FNA Freetown Lungi Intl

22h 05m2 stops Zurich Brussels Bruxelles-National

$1,606Multiple Airlines

Sun, Sep 20 - Thu, Oct 1

6:45 pm - 10:15 amFNA Freetown Lungi Intl-ORD Chicago O'Hare Intl

44h 30m3 stops Monrovia Roberts Intl Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

2:20 pm - 5:25 pmORD Chicago O'Hare Intl-FNA Freetown Lungi Intl

22h 05m2 stops Zurich Brussels Bruxelles-National

$1,612Multiple Airlines

Sun, Sep 20 - Thu, Oct 1

6:45 pm - 2:55 pmFNA Freetown Lungi Intl-ORD Chicago O'Hare Intl

25h 10m3 stops Monrovia Roberts Intl Brussels Bruxelles-National Toronto Pearson Intl

2:20 pm - 5:25 pmORD Chicago O'Hare Intl-FNA Freetown Lungi Intl

22h 05m2 stops Zurich Brussels Bruxelles-National

$1,619Multiple Airlines

Sun, Sep 20 - Thu, Oct 1

6:45 pm - 12:00 pmFNA Freetown Lungi Intl-ORD Chicago O'Hare Intl

22h 15m2 stops Monrovia Roberts Intl Brussels Bruxelles-National

2:20 pm - 5:25 pmORD Chicago O'Hare Intl-FNA Freetown Lungi Intl

22h 05m2 stops Zurich Brussels Bruxelles-National

$1,623Multiple Airlines

Sun, Sep 20 - Thu, Oct 1

6:45 pm - 12:00 pmFNA Freetown Lungi Intl-ORD Chicago O'Hare Intl

22h 15m2 stops Monrovia Roberts Intl Brussels Bruxelles-National

2:20 pm - 5:25 pmORD Chicago O'Hare Intl-FNA Freetown Lungi Intl

22h 05m2 stops Zurich Brussels Bruxelles-National

$1,625Multiple Airlines

Sun, Sep 20 - Thu, Oct 1

6:45 pm - 12:00 pmFNA Freetown Lungi Intl-ORD Chicago O'Hare Intl

22h 15m2 stops Monrovia Roberts Intl Brussels Bruxelles-National

2:20 pm - 5:25 pmORD Chicago O'Hare Intl-FNA Freetown Lungi Intl

22h 05m2 stops Zurich Brussels Bruxelles-National

$1,626Multiple Airlines

Sun, Sep 20 - Thu, Oct 1

6:45 pm - 12:00 pmFNA Freetown Lungi Intl-ORD Chicago O'Hare Intl

22h 15m2 stops Monrovia Roberts Intl Brussels Bruxelles-National

2:20 pm - 5:25 pmORD Chicago O'Hare Intl-FNA Freetown Lungi Intl

22h 05m2 stops Zurich Brussels Bruxelles-National

$1,628Multiple Airlines

Sun, Sep 20 - Thu, Oct 1

6:45 pm - 9:00 amFNA Freetown Lungi Intl-ORD Chicago O'Hare Intl

43h 15m3 stops Monrovia Roberts Intl Brussels Bruxelles-National Toronto Pearson Intl

8:45 am - 5:25 pmORD Chicago O'Hare Intl-FNA Freetown Lungi Intl

27h 40m2 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National

$1,645Air Canada

Sun, Sep 20 - Thu, Oct 1

6:45 pm - 7:51 amFNA Freetown Lungi Intl-ORD Chicago O'Hare Intl

42h 06m3 stops Monrovia Roberts Intl Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

9:55 am - 5:25 pmORD Chicago O'Hare Intl-FNA Freetown Lungi Intl

26h 30m3 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National

$1,646Multiple Airlines

Sun, Sep 20 - Thu, Oct 1

Recent last minute flight deals from Sierra Leone to Illinois

Enter your travel dates to find the best prices.

6:45 pm - 10:15 pmFNA Freetown Lungi Intl-ORD Chicago O'Hare Intl

32h 30m3 stops Monrovia Roberts Intl Brussels Bruxelles-National Newark

6:00 pm - 5:15 pmORD Chicago O'Hare Intl-FNA Freetown Lungi Intl

18h 15m1 stop Brussels Bruxelles-National

$2,004United Airlines

Sun, Aug 23 - Sun, Sep 13

6:45 pm - 10:15 pmFNA Freetown Lungi Intl-ORD Chicago O'Hare Intl

32h 30m3 stops Monrovia Roberts Intl Brussels Bruxelles-National Newark

10:50 am - 5:25 pmORD Chicago O'Hare Intl-FNA Freetown Lungi Intl

25h 35m2 stops Washington, D.C. Dulles Intl Brussels Bruxelles-National

$2,008United Airlines

Sun, Aug 23 - Sat, Sep 12

6:45 pm - 10:15 pmFNA Freetown Lungi Intl-ORD Chicago O'Hare Intl

32h 30m3 stops Monrovia Roberts Intl Brussels Bruxelles-National Newark

6:15 pm - 5:25 pmORD Chicago O'Hare Intl-FNA Freetown Lungi Intl

42h 10m2 stops Washington, D.C. Dulles Intl Brussels Bruxelles-National

$2,025United Airlines

Sun, Aug 23 - Fri, Sep 11

9:00 am - 11:53 amFNA Freetown Lungi Intl-ORD Chicago O'Hare Intl

31h 53m4 stops Monrovia Roberts Intl Addis Ababa Bole Rome Fiumicino Washington, D.C. Dulles Intl

10:15 am - 4:45 pmORD Chicago O'Hare Intl-FNA Freetown Lungi Intl

25h 30m2 stops Addis Ababa Bole Monrovia Roberts Intl

$2,794Ethiopian Air

Sun, Aug 23 - Sat, Sep 12

9:00 am - 11:53 amFNA Freetown Lungi Intl-ORD Chicago O'Hare Intl

31h 53m4 stops Monrovia Roberts Intl Addis Ababa Bole Rome Fiumicino Washington, D.C. Dulles Intl

10:15 am - 4:45 pmORD Chicago O'Hare Intl-FNA Freetown Lungi Intl

25h 30m2 stops Addis Ababa Bole Monrovia Roberts Intl

$3,144Ethiopian Air

Sun, Aug 23 - Sun, Sep 13

9:00 am - 11:53 amFNA Freetown Lungi Intl-ORD Chicago O'Hare Intl

31h 53m4 stops Monrovia Roberts Intl Addis Ababa Bole Rome Fiumicino Washington, D.C. Dulles Intl

10:15 am - 4:20 pmORD Chicago O'Hare Intl-FNA Freetown Lungi Intl

49h 05m2 stops Addis Ababa Bole Accra Kotoka

$3,242Ethiopian Air

Sun, Aug 23 - Thu, Sep 17

9:00 am - 11:53 amFNA Freetown Lungi Intl-ORD Chicago O'Hare Intl

31h 53m4 stops Monrovia Roberts Intl Addis Ababa Bole Rome Fiumicino Washington, D.C. Dulles Intl

10:15 am - 4:20 pmORD Chicago O'Hare Intl-FNA Freetown Lungi Intl

49h 05m2 stops Addis Ababa Bole Accra Kotoka

$3,334Ethiopian Air

Sun, Aug 23 - Wed, Sep 16

9:00 am - 11:53 amFNA Freetown Lungi Intl-ORD Chicago O'Hare Intl

31h 53m4 stops Monrovia Roberts Intl Addis Ababa Bole Rome Fiumicino Washington, D.C. Dulles Intl

2:30 pm - 4:45 pmORD Chicago O'Hare Intl-FNA Freetown Lungi Intl

45h 15m3 stops Washington, D.C. Dulles Intl Addis Ababa Bole Monrovia Roberts Intl

$3,356Ethiopian Air

Sun, Aug 23 - Mon, Sep 14

9:00 am - 11:53 amFNA Freetown Lungi Intl-ORD Chicago O'Hare Intl

31h 53m4 stops Monrovia Roberts Intl Addis Ababa Bole Rome Fiumicino Washington, D.C. Dulles Intl

2:30 pm - 4:45 pmORD Chicago O'Hare Intl-FNA Freetown Lungi Intl

45h 15m3 stops Washington, D.C. Dulles Intl Addis Ababa Bole Monrovia Roberts Intl

$3,406Ethiopian Air

Sun, Aug 23 - Sat, Sep 12

9:00 am - 11:53 amFNA Freetown Lungi Intl-ORD Chicago O'Hare Intl

31h 53m4 stops Monrovia Roberts Intl Addis Ababa Bole Rome Fiumicino Washington, D.C. Dulles Intl

10:15 am - 4:20 pmORD Chicago O'Hare Intl-FNA Freetown Lungi Intl

25h 05m3 stops Addis Ababa Bole Lome Accra Kotoka

$3,410Ethiopian Air

Sun, Aug 23 - Sun, Sep 13

Save money when you book flights with momondo

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Air Canada flights from Sierra Leone to Illinois

Our best Air Canada deals on Sierra Leone to Illinois flight tickets

Air Canada

Sep 20

FNA6:45 pmFreetown Lungi Intl

43h 15m

3 stops

ORD9:00 amChicago O'Hare Intl

Oct 1

ORD8:45 amChicago O'Hare Intl

27h 40m

2 stops

FNA5:25 pmFreetown Lungi Intl

$1,645

Air Canada

Sep 20

FNA6:45 pmFreetown Lungi Intl

30h 27m

3 stops

ORD8:12 pmChicago O'Hare Intl

Oct 1

ORD9:55 amChicago O'Hare Intl

26h 30m

3 stops

FNA5:25 pmFreetown Lungi Intl

$1,646

Air Canada

Sep 20

FNA6:45 pmFreetown Lungi Intl

30h 27m

3 stops

ORD8:12 pmChicago O'Hare Intl

Oct 1

ORD9:55 amChicago O'Hare Intl

26h 30m

3 stops

FNA5:25 pmFreetown Lungi Intl

$1,648

Brussels Airlines flights from Sierra Leone to Illinois

Our best Brussels Airlines deals on Sierra Leone to Illinois flight tickets

Brussels Airlines

Sep 20

FNA6:45 pmFreetown Lungi Intl

22h 15m

2 stops

ORD12:00 pmChicago O'Hare Intl

Oct 1

ORD6:00 pmChicago O'Hare Intl

18h 25m

1 stop

FNA5:25 pmFreetown Lungi Intl

$1,653

Brussels Airlines

Sep 20

FNA6:45 pmFreetown Lungi Intl

22h 15m

2 stops

ORD12:00 pmChicago O'Hare Intl

Oct 1

ORD6:00 pmChicago O'Hare Intl

18h 25m

1 stop

FNA5:25 pmFreetown Lungi Intl

$1,655

Brussels Airlines

Sep 20

FNA6:45 pmFreetown Lungi Intl

22h 15m

2 stops

ORD12:00 pmChicago O'Hare Intl

Oct 1

ORD6:00 pmChicago O'Hare Intl

18h 25m

1 stop

FNA5:25 pmFreetown Lungi Intl

$1,656

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

FreetownChicago

FNA Freetown Lungi Intl - ORD Chicago O'Hare Intl

FNAORD

Freetown Lungi Intl

Sun 9/20

6:45 pm-11:21 am

3 stops45h 36m

Chicago O'Hare Intl

Thu 10/1

2:20 pm-5:25 pm

2 stops22h 05m

$1,604

FreetownChicago

FNA Freetown Lungi Intl - ORD Chicago O'Hare Intl

FNAORD

Freetown Lungi Intl

Sun 9/20

6:45 pm-10:15 am

3 stops44h 30m

Chicago O'Hare Intl

Thu 10/1

2:20 pm-5:25 pm

2 stops22h 05m

$1,606

FreetownChicago

FNA Freetown Lungi Intl - ORD Chicago O'Hare Intl

FNAORD

Freetown Lungi Intl

Sun 9/20

6:45 pm-10:15 am

3 stops44h 30m

Chicago O'Hare Intl

Thu 10/1

2:20 pm-5:25 pm

2 stops22h 05m

$1,612

FreetownChicago

FNA Freetown Lungi Intl - ORD Chicago O'Hare Intl

FNAORD

Freetown Lungi Intl

Sun 9/20

6:45 pm-2:55 pm

3 stops25h 10m

Chicago O'Hare Intl

Thu 10/1

2:20 pm-5:25 pm

2 stops22h 05m

$1,619

Quickest round-trip

FreetownChicago

FNA Freetown Lungi Intl - ORD Chicago O'Hare Intl

FNAORD

Freetown Lungi Intl

Sun 9/20

6:45 pm-12:00 pm

2 stops22h 15m

Chicago O'Hare Intl

Thu 10/1

2:20 pm-5:25 pm

2 stops22h 05m

$1,623

FreetownChicago

FNA Freetown Lungi Intl - ORD Chicago O'Hare Intl

FNAORD

Freetown Lungi Intl

Sun 9/20

6:45 pm-12:00 pm

2 stops22h 15m

Chicago O'Hare Intl

Thu 10/1

2:20 pm-5:25 pm

2 stops22h 05m

$1,625

FreetownChicago

FNA Freetown Lungi Intl - ORD Chicago O'Hare Intl

FNAORD

Freetown Lungi Intl

Sun 9/20

6:45 pm-12:00 pm

2 stops22h 15m

Chicago O'Hare Intl

Thu 10/1

2:20 pm-5:25 pm

2 stops22h 05m

$1,626

FreetownChicago

FNA Freetown Lungi Intl - ORD Chicago O'Hare Intl

FNAORD

Freetown Lungi Intl

Sun 9/20

6:45 pm-12:00 pm

2 stops22h 15m

Chicago O'Hare Intl

Thu 10/1

2:20 pm-5:25 pm

2 stops22h 05m

$1,628

FreetownChicago

FNA Freetown Lungi Intl - ORD Chicago O'Hare Intl

FNAORD

Freetown Lungi Intl

Sun 9/20

6:45 pm-9:00 am

3 stops43h 15m

Chicago O'Hare Intl

Thu 10/1

8:45 am-5:25 pm

2 stops27h 40m

$1,645

FreetownChicago

FNA Freetown Lungi Intl - ORD Chicago O'Hare Intl

FNAORD

Freetown Lungi Intl

Sun 9/20

6:45 pm-7:51 am

3 stops42h 06m

Chicago O'Hare Intl

Thu 10/1

9:55 am-5:25 pm

3 stops26h 30m

$1,646

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Sierra Leone to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sierra Leone to Illinois

Best Price Found	$1,604
Fastest flight time	25h 10m
Direct flights	None

The best flight deal from Sierra Leone to Illinois found on momondo in the last 72 hours is $1,604

The fastest flight from Sierra Leone to Illinois takes 25h 10m

There are no direct flights from Sierra Leone to Illinois. There are no popular flight routes from Sierra Leone to Illinois.

Search flight deals

Frequently asked questions about flying from Sierra Leone to Illinois

When did momondo last update prices for flights from Sierra Leone to Illinois?
Prices for flights from Sierra Leone to Illinois were last updated today.
How old do you have to be to fly from Sierra Leone to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sierra Leone to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Sierra Leone to Illinois

How do I get Price Alerts for flights from Sierra Leone to Illinois?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Sierra Leone from Illinois. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Sierra Leone to Illinois with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Sierra Leone to Illinois?

It is quick and easy to find Sierra Leone to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

Can I find flights from Sierra Leone to Illinois with flexible booking policies on momondo?

momondo does allow users to show only those flights to Illinois from Sierra Leone which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Sierra Leone to Illinois?

Once all potential Sierra Leone to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Sierra Leone to Illinois right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Sierra Leone and alert you when they change.