$426 Cheap Flights from Pereira (PEI) to St. Louis (STL)

View $426 flight on Wed, Sep 17, 2025Opens in a new window

Popular airlines from Pereira (PEI-Matecaña Intl.) to St. Louis Lambert Intl. Airport (STL)

Cheap Flights from Pereira to St. Louis (PEI-STL)

Prices were available within the past 7 days and start at $426 for one-way flights and $562 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

avianca
Tue, Apr 14 - Mon, Apr 20
PEI
Pereira
STL
St. Louis
$562 Roundtrip, found 4 days ago
$562
Roundtrip
found 4 days ago
Select avianca flight, departing Tue, Apr 14 from Pereira to St. Louis, returning Mon, Apr 20, priced at $562 found 4 days ago
United
Tue, Apr 14 - Mon, Apr 20
PEI
Pereira
STL
St. Louis
$562 Roundtrip, found 4 days ago
$562
Roundtrip
found 4 days ago
Select United flight, departing Tue, Apr 14 from Pereira to St. Louis, returning Mon, Apr 20, priced at $562 found 4 days ago
avianca
Thu, Apr 16 - Mon, Apr 20
PEI
Pereira
STL
St. Louis
$573 Roundtrip, found 4 days ago
$573
Roundtrip
found 4 days ago
Select avianca flight, departing Thu, Apr 16 from Pereira to St. Louis, returning Mon, Apr 20, priced at $573 found 4 days ago
avianca
Tue, Apr 14 - Mon, Apr 20
PEI
Pereira
STL
St. Louis
$582 Roundtrip, found 4 days ago
$582
Roundtrip
found 4 days ago
Select avianca flight, departing Tue, Apr 14 from Pereira to St. Louis, returning Mon, Apr 20, priced at $582 found 4 days ago
Copa
Tue, Apr 14 - Mon, Apr 20
PEI
Pereira
STL
St. Louis
$585 Roundtrip, found 4 days ago
$585
Roundtrip
found 4 days ago
Select Copa flight, departing Tue, Apr 14 from Pereira to St. Louis, returning Mon, Apr 20, priced at $585 found 4 days ago
avianca
Thu, Apr 16 - Mon, Apr 20
PEI
Pereira
STL
St. Louis
$591 Roundtrip, found 4 days ago
$591
Roundtrip
found 4 days ago
Select avianca flight, departing Thu, Apr 16 from Pereira to St. Louis, returning Mon, Apr 20, priced at $591 found 4 days ago
Copa
Thu, Apr 16 - Mon, Apr 20
PEI
Pereira
STL
St. Louis
$603 Roundtrip, found 4 days ago
$603
Roundtrip
found 4 days ago
Select Copa flight, departing Thu, Apr 16 from Pereira to St. Louis, returning Mon, Apr 20, priced at $603 found 4 days ago
Copa
Tue, Apr 14 - Mon, Apr 20
PEI
Pereira
STL
St. Louis
$604 Roundtrip, found 4 days ago
$604
Roundtrip
found 4 days ago
Select Copa flight, departing Tue, Apr 14 from Pereira to St. Louis, returning Mon, Apr 20, priced at $604 found 4 days ago
Air Canada
Fri, Sep 19 - Tue, Sep 23
PEI
Pereira
STL
St. Louis
$984 Roundtrip, found 2 days ago
$984
Roundtrip
found 2 days ago
Select Air Canada flight, departing Fri, Sep 19 from Pereira to St. Louis, returning Tue, Sep 23, priced at $984 found 2 days ago
Delta
Thu, Apr 16 - Mon, Apr 20
PEI
Pereira
STL
St. Louis
$1,486 Roundtrip, found 4 days ago
$1,486
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Apr 16 from Pereira to St. Louis, returning Mon, Apr 20, priced at $1,486 found 4 days ago
Flights from Pereira (PEI) to St. Louis (STL)
Origin airport
Matecaña Intl.
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
$562
Distance
2517 mi

Pereira to St. Louis Flights

The cheapest times to fly from Pereira to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Pereira to St. Louis are during the month of April. You can find some of the cheapest flights from Pereira to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Pereira to St. Louis

Sunday is one of the best days to book for cheap flights from Pereira to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Pereira to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Pereira to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $426 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Pereira to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Pereira to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Matecana Intl. Airport (PEI) to Lambert-St. Louis Intl. Airport (STL) cost?
Get a cheap one-way flight from $426 or cheap return flight from $562 from Matecana Intl. Airport (PEI) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Matecana Intl. Airport (PEI) to Lambert-St. Louis Intl. Airport (STL)?
April is the most affordable month to fly from PEI to STL. Timing your trip outside of the busy season is often the key to scoring lower fares.
What is the cheapest airline that flies from Matecana Intl. Airport (PEI) to Lambert-St. Louis Intl. Airport (STL)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest PEI to STL flight.
How many flights per day from Matecana Intl. Airport (PEI) to Lambert-St. Louis Intl. Airport (STL)?
There aren't any daily nonstop flights available from Matecana Intl. Airport (PEI) to Lambert-St. Louis Intl. Airport (STL). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from PEI to STL?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Matecana Intl. Airport (PEI) to Lambert-St. Louis Intl. Airport (STL)?
To land at Lambert-St. Louis Intl. Airport (STL) without delays, pick a flight that takes off from Matecana Intl. Airport (PEI) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Matecana Intl. Airport (PEI) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute fares from PEI to STL are usually more expensive. For the best rates, start searching for flights ahead of time. That said, if you're flexible with your travel plans, it's possible to land a cheap ticket just before your departure.
Is it cheaper to book a PEI to STL flight and hotel package?
Compared with arranging hotels and flights separately, booking a PEI to STL flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place will take the stress out of travel planning. Simply pick your flights and choose from our extensive range of stays, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Matecana Intl. Airport (PEI) to Lambert-St. Louis Intl. Airport (STL)?
If you reserved your PEI to STL flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.