Cheap flights from Illinois to Sierra Leone from $881

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Sierra Leone departing on 5/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:04 pm - 6:40 pm
ORD
-
FNA
43h 36m
2 stops
United Airlines Logo
8:10 pm - 12:10 pm
FNA
-
ORD
22h 00m
2 stops
$1,465United Airlines
Wed, Oct 28 - Sun, Nov 1
United Airlines Logo
9:30 pm - 6:40 pm
ORD
-
FNA
40h 10m
2 stops
United Airlines Logo
8:10 pm - 6:33 pm
FNA
-
ORD
28h 23m
3 stops
$1,470United Airlines
Wed, Oct 28 - Sun, Nov 1
Air Canada Logo
3:40 pm - 5:25 pm
ORD
-
FNA
44h 45m
2 stops
Air Canada Logo
6:45 pm - 9:00 am
FNA
-
ORD
43h 15m
3 stops
$1,565Air Canada
Wed, Oct 14 - Sun, Oct 18
Turkish Airlines Logo
12:50 pm - 12:25 am
ORD
-
FNA
30h 35m
2 stops
Turkish Airlines Logo
1:25 am - 12:05 pm
FNA
-
ORD
39h 40m
2 stops
$1,615Turkish Airlines
Wed, Oct 28 - Sat, Oct 31
Air Canada Logo
3:40 pm - 5:25 pm
ORD
-
FNA
44h 45m
2 stops
Air Canada Logo
6:45 pm - 7:48 pm
FNA
-
ORD
30h 03m
3 stops
$1,636Air Canada
Wed, Oct 14 - Sun, Oct 18
Turkish Airlines Logo
12:50 pm - 12:25 am
ORD
-
FNA
30h 35m
2 stops
Turkish Airlines Logo
1:25 am - 12:05 pm
FNA
-
ORD
39h 40m
2 stops
$1,780Turkish Airlines
Wed, Oct 28 - Sat, Oct 31
Air Canada Logo
12:10 pm - 5:25 pm
STL
-
FNA
24h 15m
2 stops
Air Canada Logo
6:35 pm - 8:00 pm
FNA
-
STL
30h 25m
3 stops
$1,864Air Canada
Thu, Oct 8 - Mon, Oct 12
United Airlines Logo
8:15 pm - 6:40 pm
STL
-
FNA
41h 25m
2 stops
United Airlines Logo
8:10 pm - 12:34 am
FNA
-
STL
34h 24m
3 stops
$1,873United Airlines
Wed, Oct 28 - Sun, Nov 1
Ethiopian Air Logo
10:15 am - 4:25 pm
ORD
-
FNA
25h 10m
3 stops
Ethiopian Air Logo
9:00 am - 8:15 am
FNA
-
ORD
28h 15m
3 stops
$2,010Ethiopian Air
Wed, Oct 14 - Sun, Oct 18
Ethiopian Air Logo
10:15 am - 4:25 pm
ORD
-
FNA
25h 10m
3 stops
Ethiopian Air Logo
9:00 am - 7:40 am
FNA
-
ORD
28h 40m
3 stops
$2,039Ethiopian Air
Wed, Oct 28 - Sun, Nov 1

United Airlines flights from Illinois to Sierra Leone

Our best United Airlines deals on Illinois to Sierra Leone flight tickets
United Airlines
Oct 28
ORD6:04 pmChicago O'Hare Intl
43h 36m
2 stops
FNA6:40 pmFreetown Lungi Intl
Nov 1
FNA8:10 pmFreetown Lungi Intl
22h 00m
2 stops
ORD12:10 pmChicago O'Hare Intl
$1,465
United Airlines
Oct 28
ORD9:30 pmChicago O'Hare Intl
40h 10m
2 stops
FNA6:40 pmFreetown Lungi Intl
Nov 1
FNA8:10 pmFreetown Lungi Intl
28h 23m
3 stops
ORD6:33 pmChicago O'Hare Intl
$1,470
United Airlines
Oct 28
STL8:15 pmLambert-St Louis
41h 25m
2 stops
FNA6:40 pmFreetown Lungi Intl
Nov 1
FNA8:10 pmFreetown Lungi Intl
34h 24m
3 stops
STL12:34 amLambert-St Louis
$1,873

Ethiopian Air flights from Illinois to Sierra Leone

Our best Ethiopian Air deals on Illinois to Sierra Leone flight tickets
Ethiopian Air
Oct 14
ORD10:15 amChicago O'Hare Intl
25h 10m
3 stops
FNA4:25 pmFreetown Lungi Intl
Oct 18
FNA9:00 amFreetown Lungi Intl
28h 15m
3 stops
ORD8:15 amChicago O'Hare Intl
$2,010
Ethiopian Air
Oct 28
ORD10:15 amChicago O'Hare Intl
25h 10m
3 stops
FNA4:25 pmFreetown Lungi Intl
Nov 1
FNA9:00 amFreetown Lungi Intl
28h 40m
3 stops
ORD7:40 amChicago O'Hare Intl
$2,039
Ethiopian Air
Oct 14
ORD10:15 amChicago O'Hare Intl
25h 10m
3 stops
FNA4:25 pmFreetown Lungi Intl
Oct 18
FNA9:00 amFreetown Lungi Intl
28h 15m
3 stops
ORD8:15 amChicago O'Hare Intl
$2,062

momondo 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, momondo users made 832,500 searches. Data last updated May 1, 2026.
Use the filters below to find and compare flights from Illinois to Sierra Leone that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Wed 10/28

6:04 pm-6:40 pm

2 stops43h 36m

Freetown Lungi Intl

Sun 11/1

8:10 pm-12:10 pm

2 stops22h 00m

$1,465

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Wed 10/28

9:30 pm-6:40 pm

2 stops40h 10m

Freetown Lungi Intl

Sun 11/1

8:10 pm-6:33 pm

3 stops28h 23m

$1,470

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Wed 10/14

3:40 pm-5:25 pm

2 stops44h 45m

Freetown Lungi Intl

Sun 10/18

6:45 pm-9:00 am

3 stops43h 15m

$1,565

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Wed 10/28

12:50 pm-12:25 am

2 stops30h 35m

Freetown Lungi Intl

Sat 10/31

1:25 am-12:05 pm

2 stops39h 40m

$1,615

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Wed 10/14

3:40 pm-5:25 pm

2 stops44h 45m

Freetown Lungi Intl

Sun 10/18

6:45 pm-7:48 pm

3 stops30h 03m

$1,636

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Wed 10/28

12:50 pm-12:25 am

2 stops30h 35m

Freetown Lungi Intl

Sat 10/31

1:25 am-12:05 pm

2 stops39h 40m

$1,780

St. LouisFreetown

STL - FNA

STLFNA

Lambert-St Louis

Thu 10/8

12:10 pm-5:25 pm

2 stops24h 15m

Freetown Lungi Intl

Mon 10/12

6:35 pm-8:00 pm

3 stops30h 25m

$1,864

St. LouisFreetown

STL - FNA

STLFNA

Lambert-St Louis

Wed 10/28

8:15 pm-6:40 pm

2 stops41h 25m

Freetown Lungi Intl

Sun 11/1

8:10 pm-12:34 am

3 stops34h 24m

$1,873
Quickest round-trip

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Wed 10/14

10:15 am-4:25 pm

3 stops25h 10m

Freetown Lungi Intl

Sun 10/18

9:00 am-8:15 am

3 stops28h 15m

$2,010

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Wed 10/28

10:15 am-4:25 pm

3 stops25h 10m

Freetown Lungi Intl

Sun 11/1

9:00 am-7:40 am

3 stops28h 40m

$2,039

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Sierra Leone from

How to get the cheapest flight ticket from Illinois to Sierra Leone

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Illinois to Sierra Leone flights?

You could potentially save up to 20% on your flight if you consider stops on a Illinois to Sierra Leone flight.

Cheap Illinois to Sierra Leone flight deals and tips

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

Fastest flight time

25h 30m

Direct flights

None
The fastest flight from Illinois to Sierra Leone takes 25h 30m
There are no direct flights from Illinois to Sierra Leone. There are no popular flight routes from Illinois to Sierra Leone.

Frequently asked questions about flying from Illinois to Sierra Leone

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

    Prices for flights from Illinois to Sierra Leone refresh daily.

  • How many operators does momondo search for flights from Illinois to Sierra Leone?

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

    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 Illinois to Sierra Leone.

  • What documentation or ID do you need to fly to Sierra Leone?

    The required travel and health documents for your Sierra Leone trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sierra Leone. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

Finding the right flight to Sierra Leone from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sierra Leone quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Sierra Leone from Illinois with this policy.

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

momondo helps you find the best flight between Illinois and Sierra Leone by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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

An easier way to manage your Sierra Leone trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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1 adult
Sun 5/31
Sun 6/7

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Popular flights according to clicks in the last 7 days on momondo