Cheap flights from Chicago O'Hare Intl Airport to Sierra Leone from $526

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Sierra Leone departing on 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
8:20 pm - 12:20 am
ORD
-
FNA
22h 00m2 stops
Turkish Airlines Logo
1:20 am - 10:05 am
FNA
-
ORD
38h 45m2 stops
$1,263Turkish Airlines
Fri, Jan 30 - Thu, Feb 5
United Airlines Logo
5:55 pm - 6:25 pm
ORD
-
FNA
18h 30m1 stop
United Airlines Logo
8:10 pm - 2:25 pm
FNA
-
ORD
48h 15m3 stops
$1,643United Airlines
Wed, Jan 14 - Sat, Jan 31
United Airlines Logo
1:00 pm - 6:25 pm
ORD
-
FNA
23h 25m2 stops
United Airlines Logo
8:10 pm - 2:25 pm
FNA
-
ORD
48h 15m3 stops
$1,647United Airlines
Wed, Jan 14 - Sat, Jan 31
Brussels Airlines Logo
5:55 pm - 6:25 pm
ORD
-
FNA
18h 30m1 stop
Brussels Airlines Logo
8:10 pm - 12:10 pm
FNA
-
ORD
22h 00m1 stop
$1,725Brussels Airlines
Wed, Jan 14 - Sat, Jan 31
British Airways Logo
4:14 pm - 4:20 am
ORD
-
FNA
30h 06m3 stops
British Airways Logo
5:20 am - 2:55 pm
FNA
-
ORD
39h 35m2 stops
$1,734British Airways
Fri, Jan 30 - Fri, Feb 6
SWISS Logo
6:50 pm - 6:40 pm
ORD
-
FNA
41h 50m2 stops
SWISS Logo
8:10 pm - 12:10 pm
FNA
-
ORD
22h 00m1 stop
$1,771SWISS
Wed, Jan 14 - Sat, Jan 31
Ethiopian Air Logo
9:45 am - 4:45 pm
ORD
-
FNA
25h 00m2 stops
Ethiopian Air Logo
8:05 am - 7:40 am
FNA
-
ORD
29h 35m4 stops
$2,072Ethiopian Air
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
5:55 pm - 6:40 pm
ORD
-
FNA
18h 45m1 stop
Multiple Airlines Logo
8:05 am - 2:55 pm
FNA
-
ORD
36h 50m2 stops
$2,226Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Ethiopian Air Logo
1:00 pm - 4:25 pm
ORD
-
FNA
21h 25m3 stops
Ethiopian Air Logo
8:05 am - 7:40 am
FNA
-
ORD
29h 35m3 stops
$2,635Ethiopian Air
Wed, Jan 14 - Sat, Jan 31
Ethiopian Air Logo
1:00 pm - 4:25 pm
ORD
-
FNA
21h 25m3 stops
Ethiopian Air Logo
8:05 am - 7:40 am
FNA
-
ORD
29h 35m4 stops
$2,667Ethiopian Air
Wed, Jan 14 - Sat, Jan 31

British Airways flights from Chicago O'Hare Intl Airport to Sierra Leone

Our best British Airways deals on Chicago O'Hare Intl Airport to Sierra Leone flight tickets
British Airways
Jan 30
ORD4:14 pmChicago O'Hare Intl
30h 06m
3 stops
FNA4:20 amFreetown Lungi Intl
Feb 6
FNA5:20 amFreetown Lungi Intl
39h 35m
2 stops
ORD2:55 pmChicago O'Hare Intl
British Airways
Dec 22
ORD6:30 pmChicago O'Hare Intl
27h 50m
2 stops
FNA4:20 amFreetown Lungi Intl
Jan 9
FNA5:20 amFreetown Lungi Intl
40h 05m
2 stops
ORD3:25 pmChicago O'Hare Intl
British Airways
Dec 22
ORD6:30 pmChicago O'Hare Intl
27h 50m
2 stops
FNA4:20 amFreetown Lungi Intl
Jan 10
FNA5:20 amFreetown Lungi Intl
40h 05m
2 stops
ORD3:25 pmChicago O'Hare Intl

Ethiopian Air flights from Chicago O'Hare Intl Airport to Sierra Leone

Our best Ethiopian Air deals on Chicago O'Hare Intl Airport to Sierra Leone flight tickets
Ethiopian Air
Jan 30
ORD9:45 amChicago O'Hare Intl
25h 00m
2 stops
FNA4:45 pmFreetown Lungi Intl
Feb 6
FNA8:05 amFreetown Lungi Intl
29h 35m
4 stops
ORD7:40 amChicago O'Hare Intl
Ethiopian Air
Jan 14
ORD1:00 pmChicago O'Hare Intl
21h 25m
3 stops
FNA4:25 pmFreetown Lungi Intl
Jan 31
FNA8:05 amFreetown Lungi Intl
29h 35m
3 stops
ORD7:40 amChicago O'Hare Intl
Ethiopian Air
Dec 21
ORD9:45 amChicago O'Hare Intl
25h 00m
2 stops
FNA4:45 pmFreetown Lungi Intl
Dec 23
FNA8:05 amFreetown Lungi Intl
29h 35m
3 stops
ORD7:40 amChicago O'Hare Intl

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 December 18, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Sierra Leone that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Fri 1/30

8:20 pm-12:20 am

2 stops22h 00m

Freetown Lungi Intl

Thu 2/5

1:20 am-10:05 am

2 stops38h 45m

$1,263

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Wed 1/14

5:55 pm-6:25 pm

1 stop18h 30m

Freetown Lungi Intl

Sat 1/31

8:10 pm-2:25 pm

3 stops48h 15m

$1,643

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Wed 1/14

1:00 pm-6:25 pm

2 stops23h 25m

Freetown Lungi Intl

Sat 1/31

8:10 pm-2:25 pm

3 stops48h 15m

$1,647

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Wed 1/14

5:55 pm-6:25 pm

1 stop18h 30m

Freetown Lungi Intl

Sat 1/31

8:10 pm-12:10 pm

1 stop22h 00m

$1,725

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Fri 1/30

4:14 pm-4:20 am

3 stops30h 06m

Freetown Lungi Intl

Fri 2/6

5:20 am-2:55 pm

2 stops39h 35m

$1,734

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Wed 1/14

6:50 pm-6:40 pm

2 stops41h 50m

Freetown Lungi Intl

Sat 1/31

8:10 pm-12:10 pm

1 stop22h 00m

$1,771

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Fri 1/30

9:45 am-4:45 pm

2 stops25h 00m

Freetown Lungi Intl

Fri 2/6

8:05 am-7:40 am

4 stops29h 35m

$2,072

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Fri 1/30

5:55 pm-6:40 pm

1 stop18h 45m

Freetown Lungi Intl

Fri 2/6

8:05 am-2:55 pm

2 stops36h 50m

$2,226

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Wed 1/14

1:00 pm-4:25 pm

3 stops21h 25m

Freetown Lungi Intl

Sat 1/31

8:05 am-7:40 am

3 stops29h 35m

$2,635

ChicagoFreetown

ORD - FNA

ORDFNA

Chicago O'Hare Intl

Wed 1/14

1:00 pm-4:25 pm

3 stops21h 25m

Freetown Lungi Intl

Sat 1/31

8:05 am-7:40 am

4 stops29h 35m

$2,667

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sierra Leone from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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

What is the cheapest time of day to depart on your flight to Sierra Leone?

According to our data, the cheapest time of day to fly to Sierra Leone is in the afternoon. momondo users have found flights departing from Chicago O'Hare Intl Airport to Sierra Leone in the afternoon for as low as $1,781. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $2,274 on average. Flights to Sierra Leone from Chicago O'Hare Intl Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Chicago O'Hare Intl Airport to Sierra Leone flights?

You could potentially save up to 5% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Sierra Leone flight.

Cheap Chicago O'Hare Intl Airport to Sierra Leone flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Sierra Leone

Fastest flight time

18h 30m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Sierra Leone takes 18h 30m
There are no direct flights from Chicago O'Hare Intl Airport to Sierra Leone. There are no popular flight routes from Chicago O'Hare Intl Airport to Sierra Leone.
  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Sierra Leone?

    Prices for flights from Chicago O'Hare Intl Airport to Sierra Leone refresh daily.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Sierra Leone?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Sierra Leone.

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

    The travel and health documents required for your trip to Sierra Leone 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 Sierra Leone. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Sierra Leone. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once all potential Chicago to Sierra Leone 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 Chicago 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 Chicago and alert you when they change.

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1 adult
Sat 1/17
Sat 1/24

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