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Cheap flights from St. Louis to Sierra Leone from $1,873

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Sierra Leone departing on 10/28. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Sierra Leone

Cheap round-trip flights

Enter your travel dates to find the best prices.
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
United Airlines Logo
6:00 am - 5:25 pm
STL
-
FNA
30h 25m
2 stops
United Airlines Logo
6:35 pm - 11:44 pm
FNA
-
STL
34h 09m
3 stops
$2,007United Airlines
Thu, Jun 18 - Thu, Jun 25
Air Canada Logo
8:40 am - 5:25 pm
STL
-
FNA
27h 45m
3 stops
Air Canada Logo
6:35 pm - 8:25 pm
FNA
-
STL
30h 50m
3 stops
$2,077Air Canada
Thu, Jun 18 - Thu, Jun 25
Ethiopian Air Logo
6:00 am - 4:25 pm
STL
-
FNA
29h 25m
2 stops
Ethiopian Air Logo
8:05 am - 11:44 pm
FNA
-
STL
20h 39m
2 stops
$2,206Ethiopian Air
Thu, Jun 18 - Thu, Jun 25
Ethiopian Air Logo
6:00 am - 4:45 pm
STL
-
FNA
53h 45m
4 stops
Ethiopian Air Logo
8:05 am - 11:44 pm
FNA
-
STL
20h 39m
3 stops
$2,216Ethiopian Air
Thu, Jun 18 - Thu, Jun 25
Ethiopian Air Logo
6:00 am - 4:45 pm
STL
-
FNA
53h 45m
4 stops
Ethiopian Air Logo
9:00 am - 3:46 pm
FNA
-
STL
35h 46m
4 stops
$2,247Ethiopian Air
Thu, Jun 18 - Thu, Jun 25

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United Airlines flights from St. Louis to Sierra Leone

Our best United Airlines deals on St. Louis to Sierra Leone flight tickets
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
United Airlines
Jun 18
STL6:00 amLambert-St Louis
30h 25m
2 stops
FNA5:25 pmFreetown Lungi Intl
Jun 25
FNA6:35 pmFreetown Lungi Intl
34h 09m
3 stops
STL11:44 pmLambert-St Louis
$2,007
United Airlines
May 11
STL7:09 pmLambert-St Louis
41h 16m
2 stops
FNA5:25 pmFreetown Lungi Intl
Jun 10
FNA6:45 pmFreetown Lungi Intl
26h 01m
3 stops
STL3:46 pmLambert-St Louis
$2,083

Ethiopian Air flights from St. Louis to Sierra Leone

Our best Ethiopian Air deals on St. Louis to Sierra Leone flight tickets
Ethiopian Air
May 11
STL12:15 pmLambert-St Louis
47h 30m
3 stops
FNA4:45 pmFreetown Lungi Intl
Jun 10
FNA8:05 amFreetown Lungi Intl
31h 22m
3 stops
STL10:27 amLambert-St Louis
$2,097
Ethiopian Air
Jun 18
STL6:00 amLambert-St Louis
29h 25m
2 stops
FNA4:25 pmFreetown Lungi Intl
Jun 25
FNA8:05 amFreetown Lungi Intl
20h 39m
2 stops
STL11:44 pmLambert-St Louis
$2,206
Ethiopian Air
Jun 18
STL6:00 amLambert-St Louis
53h 45m
4 stops
FNA4:45 pmFreetown Lungi Intl
Jun 25
FNA8:05 amFreetown Lungi Intl
20h 39m
3 stops
STL11:44 pmLambert-St Louis
$2,216

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis 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 5, 2026.
Use the filters below to find and compare flights from St. Louis to Sierra Leone that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

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

St. LouisFreetown

STL - FNA

STLFNA

Lambert-St Louis

Thu 6/18

6:00 am-5:25 pm

2 stops30h 25m

Freetown Lungi Intl

Thu 6/25

6:35 pm-11:44 pm

3 stops34h 09m

$2,007

St. LouisFreetown

STL - FNA

STLFNA

Lambert-St Louis

Thu 6/18

8:40 am-5:25 pm

3 stops27h 45m

Freetown Lungi Intl

Thu 6/25

6:35 pm-8:25 pm

3 stops30h 50m

$2,077
Quickest round-trip

St. LouisFreetown

STL - FNA

STLFNA

Lambert-St Louis

Thu 6/18

6:00 am-4:25 pm

2 stops29h 25m

Freetown Lungi Intl

Thu 6/25

8:05 am-11:44 pm

2 stops20h 39m

$2,206

St. LouisFreetown

STL - FNA

STLFNA

Lambert-St Louis

Thu 6/18

6:00 am-4:45 pm

4 stops53h 45m

Freetown Lungi Intl

Thu 6/25

8:05 am-11:44 pm

3 stops20h 39m

$2,216

St. LouisFreetown

STL - FNA

STLFNA

Lambert-St Louis

Thu 6/18

6:00 am-4:45 pm

4 stops53h 45m

Freetown Lungi Intl

Thu 6/25

9:00 am-3:46 pm

4 stops35h 46m

$2,247

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap St. Louis to Sierra Leone flight deals and tips

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

Fastest flight time

30h 25m

Direct flights

None
The fastest flight from St. Louis to Sierra Leone takes 30h 25m
There are no direct flights from St. Louis to Sierra Leone. There are no popular flight routes from St. Louis to Sierra Leone.
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Frequently asked questions about flying from St. Louis to Sierra Leone

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Sierra Leone?

    Prices for flights from Lambert-St Louis Airport to Sierra Leone are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Sierra Leone?

  • How old do you have to be to fly from Lambert-St Louis Airport to Sierra Leone?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Sierra Leone.

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

    The travel and health documents you'll need for your trip to Sierra Leone may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sierra Leone. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Sierra Leone

Compare and see reviews for airlines that fly from St. Louis to Sierra Leone with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $1,796Free CancellationRating
7.4
9,683 reviews
Search United Airlines flights

Frequently asked questions about flying from St. Louis to Sierra Leone

  • How do I get Price Alerts for flights from St. Louis to Sierra Leone?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to St. Louis from Sierra Leone. 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 St. Louis to Sierra Leone 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 show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Sierra Leone?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sierra Leone from St. Louis.

Can I find flights from St. Louis to Sierra Leone with flexible booking policies on momondo?

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

How can momondo help me find flights from St. Louis to Sierra Leone?

Once all potential St. Louis 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 St. Louis to Sierra Leone right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Sierra Leone from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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