$597 Cheap Flights from St. Louis (STL) to Manta (MEC)

View $597 flight on Wed, Dec 31, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $597 for one-way flights and $1,240 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Dec 29 - Mon, Jan 5
STL
St. Louis
MEC
Manta
$1,240 Roundtrip, found 2 days ago
$1,240
Roundtrip
found 2 days ago
Select United flight, departing Mon, Dec 29 from St. Louis to Manta, returning Mon, Jan 5, priced at $1,240 found 2 days ago
United
Mon, Dec 29 - Mon, Jan 5
STL
St. Louis
MEC
Manta
$1,255 Roundtrip, found 2 days ago
$1,255
Roundtrip
found 2 days ago
Select United flight, departing Mon, Dec 29 from St. Louis to Manta, returning Mon, Jan 5, priced at $1,255 found 2 days ago
United
Mon, Dec 29 - Mon, Jan 5
STL
St. Louis
MEC
Manta
$1,362 Roundtrip, found 2 days ago
$1,362
Roundtrip
found 2 days ago
Select United flight, departing Mon, Dec 29 from St. Louis to Manta, returning Mon, Jan 5, priced at $1,362 found 2 days ago
United
Wed, Dec 31 - Wed, Jan 7
STL
St. Louis
MEC
Manta
$1,409 Roundtrip, found 2 days ago
$1,409
Roundtrip
found 2 days ago
Select United flight, departing Wed, Dec 31 from St. Louis to Manta, returning Wed, Jan 7, priced at $1,409 found 2 days ago
Delta
Tue, Dec 30 - Wed, Jan 7
STL
St. Louis
MEC
Manta
$1,447 Roundtrip, found 2 days ago
$1,447
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Dec 30 from St. Louis to Manta, returning Wed, Jan 7, priced at $1,447 found 2 days ago
United
Wed, Dec 31 - Thu, Jan 8
STL
St. Louis
MEC
Manta
$1,454 Roundtrip, found 2 days ago
$1,454
Roundtrip
found 2 days ago
Select United flight, departing Wed, Dec 31 from St. Louis to Manta, returning Thu, Jan 8, priced at $1,454 found 2 days ago
United
Mon, Dec 29 - Wed, Jan 7
STL
St. Louis
MEC
Manta
$1,486 Roundtrip, found 2 days ago
$1,486
Roundtrip
found 2 days ago
Select United flight, departing Mon, Dec 29 from St. Louis to Manta, returning Wed, Jan 7, priced at $1,486 found 2 days ago
United
Thu, Jan 1 - Wed, Jan 7
STL
St. Louis
MEC
Manta
$1,531 Roundtrip, found 2 days ago
$1,531
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jan 1 from St. Louis to Manta, returning Wed, Jan 7, priced at $1,531 found 2 days ago
United
Sat, Dec 27 - Wed, Jan 7
STL
St. Louis
MEC
Manta
$1,546 Roundtrip, found 2 days ago
$1,546
Roundtrip
found 2 days ago
Select United flight, departing Sat, Dec 27 from St. Louis to Manta, returning Wed, Jan 7, priced at $1,546 found 2 days ago
LATAM Airlines Group
Sun, Dec 28 - Thu, Jan 8
STL
St. Louis
MEC
Manta
$2,190 Roundtrip, found 2 days ago
$2,190
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Sun, Dec 28 from St. Louis to Manta, returning Thu, Jan 8, priced at $2,190 found 2 days ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Eloy Alfaro Intl. Airport (MEC) cost?
Snag a cheap one-way flight from $597 or cheap return flight from $1,240 from Lambert-St. Louis Intl. Airport (STL) to Eloy Alfaro Intl. Airport (MEC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Eloy Alfaro Intl. Airport (MEC)?
December is the most affordable month to fly from STL to MEC. Timing your trip outside of the busy season is often the key to landing a great deal.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Eloy Alfaro Intl. Airport (MEC)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest STL to MEC flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Eloy Alfaro Intl. Airport (MEC)?
You'll need to hop on a flight with a layover when traveling from Lambert-St. Louis Intl. Airport (STL) to Eloy Alfaro Intl. Airport (MEC). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from STL to MEC?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Eloy Alfaro Intl. Airport (MEC)?
Opt for a flight from Lambert-St. Louis Intl. Airport (STL) to Eloy Alfaro Intl. Airport (MEC) that leaves before 3 PM to reduce the risk of cancellations. Later departures 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 Lambert-St. Louis Intl. Airport (STL) to Eloy Alfaro Intl. Airport (MEC) last-minute?
Booking your ticket from STL to MEC just before your getaway is typically more expensive. But if there's some wiggle room with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book a STL to MEC flight and hotel package?
Booking a STL to MEC flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our wide range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Eloy Alfaro Intl. Airport (MEC)?
In most cases, you're able to reschedule or cancel your STL to MEC flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like further information, go to our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Eloy Alfaro Intl.
Roundtrip price
$1,239
Distance
2810 mi

Book with confidence

St. Louis to Manta Flights

The cheapest times to fly from St. Louis to Manta

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

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to Manta: 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 St. Louis to Manta

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 St. Louis to Manta in 2025. You can also book with separate airlines for your outbound and return journeys, from $597 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 St. Louis to Manta 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 St. Louis to Manta 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.

 

St. Louis to Manta Flights

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*Available to One Key members.