$328 Cheap Flights from St. Louis (STL) to La Paz (LAP)

View $328 flight on Thu, Feb 19, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to La Paz, Baja California Sur (LAP-Manuel Marquez de Leon Intl.)

Cheap Flights from St. Louis to La Paz (STL-LAP)

Prices were available within the past 7 days and start at $328 for one-way flights and $673 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aeromexico
Sun, May 10 - Thu, May 14
STL
St. Louis
LAP
La Paz
$673 Roundtrip, found 2 days ago
$673
Roundtrip
found 2 days ago
Select Aeromexico flight, departing Sun, May 10 from St. Louis to La Paz, returning Thu, May 14, priced at $673 found 2 days ago
Aeromexico
Sun, May 10 - Thu, May 14
STL
St. Louis
LAP
La Paz
$693 Roundtrip, found 2 days ago
$693
Roundtrip
found 2 days ago
Select Aeromexico flight, departing Sun, May 10 from St. Louis to La Paz, returning Thu, May 14, priced at $693 found 2 days ago
Delta
Fri, Feb 20 - Thu, Feb 26
STL
St. Louis
LAP
La Paz
$700 Roundtrip, found 5 days ago
$700
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Feb 20 from St. Louis to La Paz, returning Thu, Feb 26, priced at $700 found 5 days ago
Aeromexico
Sat, Feb 21 - Thu, Feb 26
STL
St. Louis
LAP
La Paz
$700 Roundtrip, found 5 days ago
$700
Roundtrip
found 5 days ago
Select Aeromexico flight, departing Sat, Feb 21 from St. Louis to La Paz, returning Thu, Feb 26, priced at $700 found 5 days ago
Alaska Airlines
Fri, Feb 6 - Sat, Feb 14
STL
St. Louis
LAP
La Paz
$713 Roundtrip, found 4 days ago
$713
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Feb 6 from St. Louis to La Paz, returning Sat, Feb 14, priced at $713 found 4 days ago
Aeromexico
Sun, May 10 - Thu, May 14
STL
St. Louis
LAP
La Paz
$717 Roundtrip, found 2 days ago
$717
Roundtrip
found 2 days ago
Select Aeromexico flight, departing Sun, May 10 from St. Louis to La Paz, returning Thu, May 14, priced at $717 found 2 days ago
Aeromexico
Tue, Feb 3 - Wed, Feb 11
STL
St. Louis
LAP
La Paz
$727 Roundtrip, found 4 days ago
$727
Roundtrip
found 4 days ago
Select Aeromexico flight, departing Tue, Feb 3 from St. Louis to La Paz, returning Wed, Feb 11, priced at $727 found 4 days ago
Alaska Airlines
Fri, Feb 6 - Sat, Feb 14
STL
St. Louis
LAP
La Paz
$734 Roundtrip, found 4 days ago
$734
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Feb 6 from St. Louis to La Paz, returning Sat, Feb 14, priced at $734 found 4 days ago
Aeromexico
Sun, May 10 - Thu, May 14
STL
St. Louis
LAP
La Paz
$737 Roundtrip, found 2 days ago
$737
Roundtrip
found 2 days ago
Select Aeromexico flight, departing Sun, May 10 from St. Louis to La Paz, returning Thu, May 14, priced at $737 found 2 days ago
Hawaiian Airlines
Tue, Feb 17 - Mon, Feb 23
STL
St. Louis
LAP
La Paz
$768 Roundtrip, found 5 days ago
$768
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Tue, Feb 17 from St. Louis to La Paz, returning Mon, Feb 23, priced at $768 found 5 days ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Manuel Marquez de Leon Intl. Airport (LAP) cost?
Snag a cheap one-way flight from $328 or cheap return flight from $673 from Lambert-St. Louis Intl. Airport (STL) to Manuel Marquez de Leon Intl. Airport (LAP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Manuel Marquez de Leon Intl. Airport (LAP)?
Planning your trip for May is a good way to save, as it's the cheapest month for flights between STL and LAP. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Manuel Marquez de Leon Intl. Airport (LAP)?
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 see which carrier offers the cheapest STL to LAP flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Manuel Marquez de Leon Intl. Airport (LAP)?
You'll need to take a flight with a layover when traveling from Lambert-St. Louis Intl. Airport (STL) to Manuel Marquez de Leon Intl. Airport (LAP). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from STL to LAP?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on various factors, including the carrier 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 Lambert-St. Louis Intl. Airport (STL) to Manuel Marquez de Leon Intl. Airport (LAP)?
To touch down at Manuel Marquez de Leon Intl. Airport (LAP) without delays, pick a flight that takes off from Lambert-St. Louis Intl. Airport (STL) 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 Lambert-St. Louis Intl. Airport (STL) to Manuel Marquez de Leon Intl. Airport (LAP) last-minute?
Last-minute bookings from STL to LAP are typically more expensive. For the best rates, start searching for flights well in advance. That being said, if you're flexible with your travel dates, it's possible to find a cheap ticket just before your departure.
Is it cheaper to book a STL to LAP flight and hotel package?
You'll generally save money by booking a STL to LAP flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your preferred accommodations and flights, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Manuel Marquez de Leon Intl. Airport (LAP)?
If you reserved your STL to LAP flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Manuel Marquez de Leon Intl.
Airlines serving
Aeromexico, Alaska Airlines, Delta, Hawaiian Airlines
Roundtrip price
$672
Distance
1548 mi

Book with confidence

Book with confidence

St. Louis to La Paz Flights

The cheapest times to fly from St. Louis to La Paz

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

 

The best time to book a flight from St. Louis to La Paz

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

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 La Paz in 2025. You can also book with separate airlines for your outbound and return journeys, from $328 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 La Paz 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 La Paz 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 La Paz Flights

Explore a world of travel with Expedia

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*Available to One Key members.