Cheap flights from St. Louis to Liberia from $150

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Liberia departing on 1/14. 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

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Delta Logo
6:59 pm - 11:50 amSTL-LIR
17h 51m1 stop
Delta Logo
2:15 pm - 8:52 amLIR-STL
17h 37m1 stop
$299Delta
Find Deal
Mon, Mar 9 - Tue, Mar 17
Delta Logo
6:00 am - 12:50 pmSTL-LIR
7h 50m1 stop
Delta Logo
1:15 pm - 11:40 pmLIR-STL
9h 25m1 stop
$307Delta
Find Deal
Wed, Mar 11 - Tue, Mar 17
Delta Logo
6:00 am - 12:52 pmSTL-LIR
7h 52m1 stop
Delta Logo
2:15 pm - 8:52 amLIR-STL
17h 37m1 stop
$330Delta
Find Deal
Mon, Mar 9 - Mon, Mar 16
Delta Logo
7:10 am - 1:50 pmSTL-LIR
6h 40m1 stop
Delta Logo
2:45 pm - 11:25 pmLIR-STL
8h 40m1 stop
$331Delta
Find Deal
Sun, Jan 18 - Thu, Jan 22
American Airlines Logo
3:54 pm - 12:12 pmSTL-LIR
20h 18m2 stops
American Airlines Logo
3:13 pm - 8:51 amLIR-STL
17h 38m2 stops
$335American Airlines
Find Deal
Sun, Feb 1 - Thu, Feb 5
American Airlines Logo
5:34 am - 1:04 pmSTL-LIR
8h 30m1 stop
American Airlines Logo
1:00 pm - 9:35 pmLIR-STL
7h 35m1 stop
$347American Airlines
Find Deal
Mon, May 4 - Wed, May 13
American Airlines Logo
7:03 pm - 1:10 pmSTL-LIR
19h 07m2 stops
American Airlines Logo
1:55 pm - 9:25 amLIR-STL
18h 30m2 stops
$351American Airlines
Find Deal
Mon, May 4 - Wed, May 13
Delta Logo
6:00 am - 12:50 pmSTL-LIR
6h 50m1 stop
Delta Logo
2:45 pm - 11:25 pmLIR-STL
8h 40m1 stop
$364Delta
Find Deal
Fri, Jan 9 - Thu, Jan 15
American Airlines Logo
6:00 am - 2:20 pmSTL-LIR
8h 20m1 stop
American Airlines Logo
3:23 pm - 10:20 amLIR-STL
18h 57m2 stops
$368American Airlines
Find Deal
Fri, Jan 9 - Thu, Jan 15
American Airlines Logo
4:58 pm - 12:37 pmSTL-LIR
19h 39m2 stops
American Airlines Logo
3:13 pm - 9:40 amLIR-STL
18h 27m2 stops
$372American Airlines
Find Deal
Mon, Jan 5 - Mon, Jan 12

Delta flights from St. Louis to Liberia

Our best Delta deals on St. Louis to Liberia flight tickets
Delta
Mar 9
STL6:59 pmLambert-St Louis
17h 51m
1 stop
LIR11:50 amLiberia
Mar 17
LIR2:15 pmLiberia
17h 37m
1 stop
STL8:52 amLambert-St Louis
Delta
Mar 11
STL6:00 amLambert-St Louis
7h 50m
1 stop
LIR12:50 pmLiberia
Mar 17
LIR1:15 pmLiberia
9h 25m
1 stop
STL11:40 pmLambert-St Louis
Delta
Mar 9
STL6:00 amLambert-St Louis
7h 52m
1 stop
LIR12:52 pmLiberia
Mar 16
LIR2:15 pmLiberia
17h 37m
1 stop
STL8:52 amLambert-St Louis

American Airlines flights from St. Louis to Liberia

Our best American Airlines deals on St. Louis to Liberia flight tickets
American Airlines
Feb 1
STL3:54 pmLambert-St Louis
20h 18m
2 stops
LIR12:12 pmLiberia
Feb 5
LIR3:13 pmLiberia
17h 38m
2 stops
STL8:51 amLambert-St Louis
American Airlines
May 4
STL5:34 amLambert-St Louis
8h 30m
1 stop
LIR1:04 pmLiberia
May 13
LIR1:00 pmLiberia
7h 35m
1 stop
STL9:35 pmLambert-St Louis
American Airlines
May 4
STL7:03 pmLambert-St Louis
19h 07m
2 stops
LIR1:10 pmLiberia
May 13
LIR1:55 pmLiberia
18h 30m
2 stops
STL9:25 amLambert-St Louis

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Liberia 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 November 22, 2025.
Use the filters below to find and compare flights from St. Louis to Liberia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Mon 3/9

6:59 pm-11:50 am

1 stop17h 51m

Liberia

Tue 3/17

2:15 pm-8:52 am

1 stop17h 37m

$299

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Wed 3/11

6:00 am-12:50 pm

1 stop7h 50m

Liberia

Tue 3/17

1:15 pm-11:40 pm

1 stop9h 25m

$307

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Mon 3/9

6:00 am-12:52 pm

1 stop7h 52m

Liberia

Mon 3/16

2:15 pm-8:52 am

1 stop17h 37m

$330

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Sun 1/18

7:10 am-1:50 pm

1 stop6h 40m

Liberia

Thu 1/22

2:45 pm-11:25 pm

1 stop8h 40m

$331

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Sun 2/1

3:54 pm-12:12 pm

2 stops20h 18m

Liberia

Thu 2/5

3:13 pm-8:51 am

2 stops17h 38m

$335

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Mon 5/4

5:34 am-1:04 pm

1 stop8h 30m

Liberia

Wed 5/13

1:00 pm-9:35 pm

1 stop7h 35m

$347

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Mon 5/4

7:03 pm-1:10 pm

2 stops19h 07m

Liberia

Wed 5/13

1:55 pm-9:25 am

2 stops18h 30m

$351

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Fri 1/9

6:00 am-12:50 pm

1 stop6h 50m

Liberia

Thu 1/15

2:45 pm-11:25 pm

1 stop8h 40m

$364

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Fri 1/9

6:00 am-2:20 pm

1 stop8h 20m

Liberia

Thu 1/15

3:23 pm-10:20 am

2 stops18h 57m

$368

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Mon 1/5

4:58 pm-12:37 pm

2 stops19h 39m

Liberia

Mon 1/12

3:13 pm-9:40 am

2 stops18h 27m

$372

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Liberia from

How to get the cheapest flight ticket from St. Louis to Liberia

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 month to fly to Liberia?

The month of October is another great option to travel to Liberia, with average flight prices from St. Louis averaging around $404.

What is the cheapest day to depart on your flight to Liberia?

On average, the least expensive day to fly to Liberia from St. Louis is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $580. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Liberia for around $726.

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

In the afternoon is the cheapest time of day to fly from St. Louis to Liberia when you can find flight prices for as low as $552. Flying to Liberia in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Liberia are more costly in the morning, with an average ticket price of $611. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Liberia?

You are more likely to see cheaper flights to Liberia from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Liberia for around $563 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Liberia from St. Louis for as low as $369 on momondo.

Can stopping save me money on St. Louis to Liberia flights?

You could potentially save up to 15% on your flight if you consider stops on a St. Louis to Liberia flight.

When to book flights from St. Louis to Liberia

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Liberia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Liberia (STL to LIR) flight deals and tips

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

Direct flights

None
There are no direct flights from St. Louis to Liberia. There are no popular flight routes from St. Louis to Liberia.
  • How far is Lambert-St Louis to Liberia by plane?

    The straight-line distance from Lambert-St Louis to Liberia is 1954.9 mi. Flights usually cover this in 6h 40m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Lambert-St Louis Airport to Liberia Airport were last updated today.

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

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

    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 Lambert-St Louis Airport to Liberia Airport.

  • What documentation or ID do you need to fly to Liberia Airport?

    The travel and health documents you'll need for your trip to Liberia Airport 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 Liberia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Liberia?

Best airlines flying from St. Louis to Liberia

Compare and see reviews for airlines that fly from St. Louis to Liberia with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $294Free CancellationRating
7.9
8,000 reviews
Search Delta flights
United AirlinesPriceFrom $334Free CancellationRating
7.4
9,036 reviews
Search United Airlines flights
American AirlinesPriceFrom $346Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
SouthwestPriceFrom $425Free CancellationRating
8.0
4,253 reviews
Search Southwest flights

Traveling to a place near Liberia?

Book flights to Liberia if you plan to visit one of these locations
Culebra
Playa Hermosa
Coco

Why use momondo?

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

It is quick and easy to find St. Louis to Liberia 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 Liberia that suits you.

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

Yes. All flights to Liberia from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for St. Louis to Liberia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from St. Louis to Liberia right now. Can momondo alert me if prices change?

Price alerts on flights to Liberia from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Mon 12/22
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