Cheap flights from St. Louis to Liberia from $128

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 11/3. 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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0 bags

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Cheap round-trip flights

American Airlines Logo
5:28 am - 11:49 amSTL-LIR
7h 21m1 stop
American Airlines Logo
12:49 pm - 11:59 pmLIR-STL
10h 10m1 stop
$287American Airlines
Find Deal
Mon, Sep 29 - Fri, Oct 3
American Airlines Logo
6:00 pm - 11:49 amSTL-LIR
18h 49m2 stops
American Airlines Logo
12:49 pm - 11:59 pmLIR-STL
10h 10m1 stop
$291American Airlines
Find Deal
Mon, Sep 29 - Fri, Oct 3
Delta Logo
6:00 am - 12:00 pmSTL-LIR
7h 00m1 stop
Delta Logo
1:25 pm - 10:00 pmLIR-STL
7h 35m1 stop
$295Delta
Find Deal
Mon, Sep 1 - Wed, Oct 1
American Airlines Logo
7:01 am - 12:59 pmSTL-LIR
6h 58m1 stop
American Airlines Logo
12:49 pm - 9:26 amLIR-STL
19h 37m2 stops
$299American Airlines
Find Deal
Mon, Sep 1 - Wed, Oct 1
American Airlines Logo
2:11 pm - 11:49 amSTL-LIR
22h 38m2 stops
American Airlines Logo
12:49 pm - 9:16 amLIR-STL
19h 27m2 stops
$304American Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
American Airlines Logo
7:16 am - 1:02 pmSTL-LIR
6h 46m1 stop
American Airlines Logo
2:02 pm - 10:50 pmLIR-STL
7h 48m1 stop
$307American Airlines
Find Deal
Mon, Sep 15 - Mon, Sep 22
American Airlines Logo
2:11 pm - 11:49 amSTL-LIR
22h 38m2 stops
American Airlines Logo
12:49 pm - 9:16 amLIR-STL
19h 27m2 stops
$311American Airlines
Find Deal
Mon, Sep 15 - Mon, Sep 22
Delta Logo
6:00 am - 12:50 pmSTL-LIR
6h 50m1 stop
Delta Logo
3:55 pm - 11:40 pmLIR-STL
7h 45m1 stop
$327Delta
Find Deal
Sat, Jan 10 - Sat, Jan 17
Delta Logo
6:00 am - 2:30 pmSTL-LIR
8h 30m1 stop
Delta Logo
3:55 pm - 9:04 amLIR-STL
17h 09m1 stop
$355Delta
Find Deal
Sun, Feb 8 - Mon, Feb 16
United Airlines Logo
6:15 am - 1:08 pmSTL-LIR
6h 53m1 stop
United Airlines Logo
8:50 am - 4:35 pmLIR-STL
7h 45m1 stop
$526United Airlines
Find Deal
Sun, Feb 1 - Sat, Feb 28

Delta flights from St. Louis to Liberia

Our best Delta deals on St. Louis to Liberia flight tickets
Delta
Sep 1
STL6:00 amLambert-St Louis
7h 00m
1 stop
LIR12:00 pmLiberia
Oct 1
LIR1:25 pmLiberia
7h 35m
1 stop
STL10:00 pmLambert-St Louis
Delta
Jan 10
STL6:00 amLambert-St Louis
6h 50m
1 stop
LIR12:50 pmLiberia
Jan 17
LIR3:55 pmLiberia
7h 45m
1 stop
STL11:40 pmLambert-St Louis
Delta
Feb 8
STL6:00 amLambert-St Louis
8h 30m
1 stop
LIR2:30 pmLiberia
Feb 16
LIR3:55 pmLiberia
17h 09m
1 stop
STL9:04 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
Sep 29
STL5:28 amLambert-St Louis
7h 21m
1 stop
LIR11:49 amLiberia
Oct 3
LIR12:49 pmLiberia
10h 10m
1 stop
STL11:59 pmLambert-St Louis
American Airlines
Sep 29
STL6:00 pmLambert-St Louis
18h 49m
2 stops
LIR11:49 amLiberia
Oct 3
LIR12:49 pmLiberia
10h 10m
1 stop
STL11:59 pmLambert-St Louis
American Airlines
Sep 1
STL7:01 amLambert-St Louis
6h 58m
1 stop
LIR12:59 pmLiberia
Oct 1
LIR12:49 pmLiberia
19h 37m
2 stops
STL9:26 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 August 18, 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 9/29

5:28 am-11:49 am

1 stop7h 21m

Liberia

Fri 10/3

12:49 pm-11:59 pm

1 stop10h 10m

$287

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Mon 9/29

6:00 pm-11:49 am

2 stops18h 49m

Liberia

Fri 10/3

12:49 pm-11:59 pm

1 stop10h 10m

$291

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Mon 9/1

6:00 am-12:00 pm

1 stop7h 00m

Liberia

Wed 10/1

1:25 pm-10:00 pm

1 stop7h 35m

$295

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Mon 9/1

7:01 am-12:59 pm

1 stop6h 58m

Liberia

Wed 10/1

12:49 pm-9:26 am

2 stops19h 37m

$299

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Tue 9/9

2:11 pm-11:49 am

2 stops22h 38m

Liberia

Tue 9/16

12:49 pm-9:16 am

2 stops19h 27m

$304

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Mon 9/15

7:16 am-1:02 pm

1 stop6h 46m

Liberia

Mon 9/22

2:02 pm-10:50 pm

1 stop7h 48m

$307

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Mon 9/15

2:11 pm-11:49 am

2 stops22h 38m

Liberia

Mon 9/22

12:49 pm-9:16 am

2 stops19h 27m

$311

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Sat 1/10

6:00 am-12:50 pm

1 stop6h 50m

Liberia

Sat 1/17

3:55 pm-11:40 pm

1 stop7h 45m

$327

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Sun 2/8

6:00 am-2:30 pm

1 stop8h 30m

Liberia

Mon 2/16

3:55 pm-9:04 am

1 stop17h 09m

$355

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Sun 2/1

6:15 am-1:08 pm

1 stop6h 53m

Liberia

Sat 2/28

8:50 am-4:35 pm

1 stop7h 45m

$526

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 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 $415.

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 $572 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 $411 on momondo.

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

Best Price Found

$128

Fastest flight time

6h 30m

Direct flights

None

Airports in Liberia

1 airport
The best one-way flight to Liberia from St. Louis in the past 72 hours is $128. The best round-trip flight deal from St. Louis to Liberia found on momondo in the last 72 hours is $287.
The fastest flight from St. Louis to Liberia takes 6h 30m
There are no direct flights from St. Louis to Liberia. Popular non-direct route for this connection is Lambert-St Louis Airport - Liberia Airport.
There is 1 airport near Liberia: Liberia (LIR)
  • 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 46m, 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
8.0
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $383Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $404Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights
SouthwestPriceFrom $495Free CancellationRating
8.0
4,246 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
Sat 8/23
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