What is the cheapest month to book a flight from St. Louis to Sierra Leone?

Currently, February is the cheapest month in which you can book a flight from St. Louis to Sierra Leone (average of $1,174). Flying from St. Louis 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.

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.

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).

What is the cheapest time of day to fly from STL to SL?

When flying from St. Louis to Sierra Leone, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from St. Louis to Sierra Leone?

Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Sierra Leone.

Can I find deals for flights from St. Louis to Sierra Leone that include hotel bookings?

Yes. In addition to deals on St. Louis to Sierra Leone flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to Sierra Leone?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Sierra Leone.

Can I find deals for business class flights from St. Louis to Sierra Leone?

Yes. Cheapflights offers flight deals from St. Louis 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.

$1,651+ Flights from St. Louis to Sierra Leone

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Cheap flight deals from St. Louis to Sierra Leone

Round-trip from	$1,651 (United Airlines)

From Lambert-St Louis to Sierra Leone

Search Deals

Find flight deals from St. Louis to Sierra Leone

Cheapest flights from St. Louis to Sierra Leone
Explore the most affordable flight options available from St. Louis to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Wed 9/105:30 pmSTL - FNA

2 stops42h 55mUnited Airlines

Wed 9/176:45 pmFNA - STL

3 stops29h 14mUnited Airlines

Deal found 7/26

$1,651

Thu 12/255:02 pmSTL - FNA

2 stops43h 38mMultiple Airlines

Thu 1/157:45 pmFNA - STL

3 stops24h 10mMultiple Airlines

Deal found 7/28

$2,770

Best flights from St. Louis to Sierra Leone
Discover carefully curated flight deals from St. Louis to Sierra Leone that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Wed 9/105:30 pmSTL - FNA

2 stops42h 55mUnited Airlines

Wed 9/176:45 pmFNA - STL

3 stops29h 14mUnited Airlines

Deal found 7/26

$1,651

Thu 12/255:02 pmSTL - FNA

2 stops43h 38mMultiple Airlines

Thu 1/157:45 pmFNA - STL

3 stops24h 10mMultiple Airlines

Deal found 7/28

$2,770

Cheapflights Fare Finder

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

St. LouisFreetown

STL - FNA

STLFNA

Lambert-St Louis

Wed 9/10

5:30 pm-5:25 pm

2 stops42h 55m

Freetown Lungi Intl

Wed 9/17

6:45 pm-6:59 pm

3 stops29h 14m

$1,651

St. LouisFreetown

STL - FNA

STLFNA

Lambert-St Louis

Thu 12/25

5:02 pm-6:40 pm

2 stops43h 38m

Freetown Lungi Intl

Thu 1/15

7:45 pm-1:55 pm

3 stops24h 10m

$2,770

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Best time to book a flight from St. Louis to Sierra Leone

Have a flexible travel schedule? Discover the best time to fly to Sierra Leone from St. Louis 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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Sierra Leone

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Sierra Leone

Read through reviews of airlines operating flights from St. Louis to Sierra Leone, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,899 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,899 reviews

United Airlines

7.4

Good

8,899 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

What airport do you fly from for flights from St. Louis to Sierra Leone?
Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Sierra Leone.
Can I find deals for flights from St. Louis to Sierra Leone that include hotel bookings?
Yes. In addition to deals on St. Louis to Sierra Leone flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Sierra Leone?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Sierra Leone.
Can I find deals for business class flights from St. Louis to Sierra Leone?
Yes. Cheapflights offers flight deals from St. Louis 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 St. Louis to Sierra Leone?
Currently, February is the cheapest month in which you can book a flight from St. Louis to Sierra Leone (average of $1,174). Flying from St. Louis 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from St. Louis to Sierra Leone

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$1,625	Average$1,796	FlexibilityNo cancel fee	On-time69%

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$1,651+ Cheap flights from St. Louis (STL) 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Sierra Leone with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to Sierra Leone

Keep the following information in mind while searching for St. Louis to Sierra Leone flight deals. Data was last updated July 29, 2025.

Round-trip from

Find flight deals from St. Louis to Sierra Leone

Cheapest flights from St. Louis to Sierra LeoneExplore the most affordable flight options available from St. Louis to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from St. Louis to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Sierra Leone that are best for you.

Best time to book a flight from St. Louis to Sierra Leone

Have a flexible travel schedule? Discover the best time to fly to Sierra Leone from St. Louis with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Sierra Leone

Reviews of airlines servicing Sierra Leone

Read through reviews of airlines operating flights from St. Louis to Sierra Leone, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Sierra Leone. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from St. Louis to Sierra Leone?

Can I find deals for flights from St. Louis to Sierra Leone that include hotel bookings?

How can I find direct flights from St. Louis to Sierra Leone?

Can I find deals for business class flights from St. Louis to Sierra Leone?

What is the cheapest month to book a flight from St. Louis to Sierra Leone?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Sierra Leone

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from St. Louis to Sierra Leone

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from St. Louis to Sierra Leone
Explore the most affordable flight options available from St. Louis to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.