$434 Cheap Flights from Manta (MEC) to St. Louis (STL)

View $434 flight on Mon, Feb 2, 2026Opens in a new window

Popular airlines from Manta (MEC-Eloy Alfaro Intl.) to St. Louis Lambert Intl. Airport (STL)

Cheap Flights from Manta to St. Louis (MEC-STL)

Prices were available within the past 7 days and start at $434 for one-way flights and $1,011 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Copa
Mon, Mar 2 - Tue, Mar 17
MEC
Manta
STL
St. Louis
$1,011 Roundtrip, found 4 days ago
$1,011
Roundtrip
found 4 days ago
Select Copa flight, departing Mon, Mar 2 from Manta to St. Louis, returning Tue, Mar 17, priced at $1,011 found 4 days ago
Copa
Thu, Feb 26 - Tue, Mar 10
MEC
Manta
STL
St. Louis
$1,044 Roundtrip, found 4 days ago
$1,044
Roundtrip
found 4 days ago
Select Copa flight, departing Thu, Feb 26 from Manta to St. Louis, returning Tue, Mar 10, priced at $1,044 found 4 days ago
Copa
Fri, Mar 6 - Tue, Mar 17
MEC
Manta
STL
St. Louis
$1,055 Roundtrip, found 4 days ago
$1,055
Roundtrip
found 4 days ago
Select Copa flight, departing Fri, Mar 6 from Manta to St. Louis, returning Tue, Mar 17, priced at $1,055 found 4 days ago
LATAM Airlines Group
Sat, Mar 7 - Sun, Mar 15
MEC
Manta
STL
St. Louis
$1,068 Roundtrip, found 4 days ago
$1,068
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Sat, Mar 7 from Manta to St. Louis, returning Sun, Mar 15, priced at $1,068 found 4 days ago
LATAM Airlines Group
Sat, Mar 7 - Sat, Mar 14
MEC
Manta
STL
St. Louis
$1,086 Roundtrip, found 4 days ago
$1,086
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Sat, Mar 7 from Manta to St. Louis, returning Sat, Mar 14, priced at $1,086 found 4 days ago
LATAM Airlines Group
Fri, Feb 27 - Sun, Mar 15
MEC
Manta
STL
St. Louis
$1,142 Roundtrip, found 4 days ago
$1,142
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Fri, Feb 27 from Manta to St. Louis, returning Sun, Mar 15, priced at $1,142 found 4 days ago
LATAM Airlines Group
Sat, Mar 7 - Fri, Mar 13
MEC
Manta
STL
St. Louis
$1,146 Roundtrip, found 4 days ago
$1,146
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Sat, Mar 7 from Manta to St. Louis, returning Fri, Mar 13, priced at $1,146 found 4 days ago
Copa
Mon, Mar 2 - Wed, Mar 18
MEC
Manta
STL
St. Louis
$1,150 Roundtrip, found 4 days ago
$1,150
Roundtrip
found 4 days ago
Select Copa flight, departing Mon, Mar 2 from Manta to St. Louis, returning Wed, Mar 18, priced at $1,150 found 4 days ago
LATAM Airlines Group
Fri, Feb 27 - Sat, Mar 14
MEC
Manta
STL
St. Louis
$1,161 Roundtrip, found 4 days ago
$1,161
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Fri, Feb 27 from Manta to St. Louis, returning Sat, Mar 14, priced at $1,161 found 4 days ago
Copa
Fri, Mar 6 - Wed, Mar 18
MEC
Manta
STL
St. Louis
$1,194 Roundtrip, found 4 days ago
$1,194
Roundtrip
found 4 days ago
Select Copa flight, departing Fri, Mar 6 from Manta to St. Louis, returning Wed, Mar 18, priced at $1,194 found 4 days ago
Flights from Manta (MEC) to St. Louis (STL)
Origin airport
Eloy Alfaro Intl.
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
$1,011
Distance
2810 mi

Manta to St. Louis Flights

The cheapest times to fly from Manta 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 Manta to St. Louis are during the month of March. You can find some of the cheapest flights from Manta to St. Louis with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Manta 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 Manta 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 Manta to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $434 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 Manta 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 Manta 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 Eloy Alfaro Intl. Airport (MEC) to Lambert-St. Louis Intl. Airport (STL) cost?
Lock in a cheap one-way flight from $434 or cheap return flight from $1,011 from Eloy Alfaro Intl. Airport (MEC) 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 Eloy Alfaro Intl. Airport (MEC) to Lambert-St. Louis Intl. Airport (STL)?
March is the most affordable month to fly from MEC to STL. Traveling during an off-peak travel window is often the key to finding a great deal.
What is the cheapest airline that flies from Eloy Alfaro Intl. Airport (MEC) to Lambert-St. Louis Intl. Airport (STL)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from MEC to STL. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Eloy Alfaro Intl. Airport (MEC) to Lambert-St. Louis Intl. Airport (STL)?
You'll need to hop on a flight with a layover if you're traveling from Eloy Alfaro Intl. Airport (MEC) to Lambert-St. Louis Intl. Airport (STL). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from MEC to STL?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change 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 Eloy Alfaro Intl. Airport (MEC) to Lambert-St. Louis Intl. Airport (STL)?
Choose a flight from Eloy Alfaro Intl. Airport (MEC) to Lambert-St. Louis Intl. Airport (STL) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**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 Eloy Alfaro Intl. Airport (MEC) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Waiting until right before your break to book your flight from MEC to STL generally means paying more. While you may find some last-minute offers, they're not always guaranteed. Keep your travel schedule open for the best chance of snagging a bargain.
Is it cheaper to book a MEC to STL flight and hotel package?
Compared with arranging flights and hotels separately, booking a MEC to STL flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place will take the hassle out of travel planning. Just pick your flights and select from our extensive range of hotels, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Eloy Alfaro Intl. Airport (MEC) to Lambert-St. Louis Intl. Airport (STL)?
If you reserved your MEC to STL flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

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*Available to One Key members.