$235 Cheap Flights from San Pedro Sula (SAP) to St. Louis (STL)

View $235 flight on Sat, Dec 6, 2025Opens in a new window

Popular airlines from Ramon Villeda Morales Intl. Airport (SAP) to St. Louis Lambert Intl. Airport (STL)

Cheap Flights from San Pedro Sula to St. Louis (SAP-STL)

Prices were available within the past 7 days and start at $235 for one-way flights and $422 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Dec 20 - Wed, Jan 7
SAP
San Pedro Sula
STL
St. Louis
$422 Roundtrip, found 20 hours ago
$422
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Sat, Dec 20 from San Pedro Sula to St. Louis, returning Wed, Jan 7, priced at $422 found 20 hours ago
Frontier Airlines
Sat, Dec 6 - Tue, Jan 6
SAP
San Pedro Sula
STL
St. Louis
$431 Roundtrip, found 20 hours ago
$431
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Sat, Dec 6 from San Pedro Sula to St. Louis, returning Tue, Jan 6, priced at $431 found 20 hours ago
Frontier Airlines
Sat, Dec 20 - Sat, Jan 10
SAP
San Pedro Sula
STL
St. Louis
$433 Roundtrip, found 20 hours ago
$433
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Sat, Dec 20 from San Pedro Sula to St. Louis, returning Sat, Jan 10, priced at $433 found 20 hours ago
Frontier Airlines
Sat, Dec 20 - Tue, Jan 13
SAP
San Pedro Sula
STL
St. Louis
$445 Roundtrip, found 20 hours ago
$445
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Sat, Dec 20 from San Pedro Sula to St. Louis, returning Tue, Jan 13, priced at $445 found 20 hours ago
Frontier Airlines
Sat, Dec 6 - Sat, Jan 10
SAP
San Pedro Sula
STL
St. Louis
$445 Roundtrip, found 20 hours ago
$445
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Sat, Dec 6 from San Pedro Sula to St. Louis, returning Sat, Jan 10, priced at $445 found 20 hours ago
Frontier Airlines
Sat, Dec 20 - Fri, Jan 9
SAP
San Pedro Sula
STL
St. Louis
$458 Roundtrip, found 20 hours ago
$458
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Sat, Dec 20 from San Pedro Sula to St. Louis, returning Fri, Jan 9, priced at $458 found 20 hours ago
American Airlines
Thu, Mar 12 - Thu, Apr 2
SAP
San Pedro Sula
STL
St. Louis
$506 Roundtrip, found 4 hours ago
$506
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Thu, Mar 12 from San Pedro Sula to St. Louis, returning Thu, Apr 2, priced at $506 found 4 hours ago
Delta
Thu, Nov 13 - Mon, Jan 12
SAP
San Pedro Sula
STL
St. Louis
$506 Roundtrip, found 18 hours ago
$506
Roundtrip
found 18 hours ago
Select Delta flight, departing Thu, Nov 13 from San Pedro Sula to St. Louis, returning Mon, Jan 12, priced at $506 found 18 hours ago
United
Thu, Nov 13 - Wed, Dec 3
SAP
San Pedro Sula
STL
St. Louis
$506 Roundtrip, found 20 hours ago
$506
Roundtrip
found 20 hours ago
Select United flight, departing Thu, Nov 13 from San Pedro Sula to St. Louis, returning Wed, Dec 3, priced at $506 found 20 hours ago
Copa
Wed, Dec 3 - Thu, Jan 29
SAP
San Pedro Sula
STL
St. Louis
$744 Roundtrip, found 2 days ago
$744
Roundtrip
found 2 days ago
Select Copa flight, departing Wed, Dec 3 from San Pedro Sula to St. Louis, returning Thu, Jan 29, priced at $744 found 2 days ago

Find the cheapest month to fly from San Pedro Sula (SAP) to St. Louis (STL)

November is typically the cheapest month to fly

From $279 - $912 per traveler.

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $526
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $526

Frequently asked questions

How much does a flight from Ramon Villeda Morales Intl. Airport (SAP) to Lambert-St. Louis Intl. Airport (STL) cost?
Get a cheap one-way flight from $235 or cheap return flight from $422 from Ramon Villeda Morales Intl. Airport (SAP) to Lambert-St. Louis Intl. Airport (STL) 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 Ramon Villeda Morales Intl. Airport (SAP) to Lambert-St. Louis Intl. Airport (STL)?
December is the least expensive month to fly from SAP to STL. Timing your trip outside of the busy season is often the key to finding a great deal.
What is the cheapest airline that flies from Ramon Villeda Morales Intl. Airport (SAP) to Lambert-St. Louis Intl. Airport (STL)?
To find the cheapest airline flying from SAP to STL, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Ramon Villeda Morales Intl. Airport (SAP) to Lambert-St. Louis Intl. Airport (STL)?
You'll need to take a flight with a layover if you're traveling from Ramon Villeda Morales Intl. Airport (SAP) to Lambert-St. Louis Intl. Airport (STL). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from SAP to STL?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary depending on a range of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ramon Villeda Morales Intl. Airport (SAP) to Lambert-St. Louis Intl. Airport (STL)?
To reach Lambert-St. Louis Intl. Airport (STL) on time, select a flight that leaves Ramon Villeda Morales Intl. Airport (SAP) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Ramon Villeda Morales Intl. Airport (SAP) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute fares from SAP to STL are generally more expensive. To lock in the best rates, start looking for flights as early as possible. That said, if you're flexible with your travel plans, you may land a cheap ticket right before you leave.
Is it cheaper to book a SAP to STL flight and hotel package?
Compared with arranging flights and hotels separately, booking a SAP to STL flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the stress out of planning your trip. Just pick your flights and choose from our wide range of stays, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Ramon Villeda Morales Intl. Airport (SAP) to Lambert-St. Louis Intl. Airport (STL)?
In most cases, you can reschedule or cancel your SAP to STL flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need more details, go to our Customer Service portal.

Travel information

Origin airport
Ramon Villeda Morales Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Copa, Delta, Frontier Airlines, United
Roundtrip price
$421
Distance
1615 mi

Book with confidence

San Pedro Sula to St. Louis Flights

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

 

The best time to book a flight from San Pedro Sula to St. Louis

Sunday is one of the best days to book for cheap flights from San Pedro Sula 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 San Pedro Sula 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 San Pedro Sula to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $235 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 San Pedro Sula 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 San Pedro Sula 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.

 

San Pedro Sula to St. Louis Flights

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*Available to One Key members.