$313 Cheap Flights from St. Louis (STL) to Puerto Escondido (PXM)

View $313 flight on Wed, Dec 31, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Puerto Escondido, Oaxaca (PXM-Puerto Escondido Intl.)

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Cheap Flights from St. Louis to Puerto Escondido (STL-PXM)

Prices were available within the past 7 days and start at $313 for one-way flights and $667 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Dec 10 - Wed, Dec 17
STL
St. Louis
PXM
Puerto Escondido
$667 Roundtrip, found 2 days ago
$667
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Dec 10 from St. Louis to Puerto Escondido, returning Wed, Dec 17, priced at $667 found 2 days ago
American Airlines
Sat, Dec 13 - Sat, Dec 20
STL
St. Louis
PXM
Puerto Escondido
$678 Roundtrip, found 2 days ago
$678
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 13 from St. Louis to Puerto Escondido, returning Sat, Dec 20, priced at $678 found 2 days ago
American Airlines
Sat, Feb 14 - Sat, Feb 21
STL
St. Louis
PXM
Puerto Escondido
$680 Roundtrip, just found
$680
Roundtrip
just found
Select American Airlines flight, departing Sat, Feb 14 from St. Louis to Puerto Escondido, returning Sat, Feb 21, priced at $680 just found
American Airlines
Sat, Dec 13 - Sat, Dec 20
STL
St. Louis
PXM
Puerto Escondido
$709 Roundtrip, found 2 days ago
$709
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 13 from St. Louis to Puerto Escondido, returning Sat, Dec 20, priced at $709 found 2 days ago
American Airlines
Sat, Dec 13 - Sat, Dec 20
STL
St. Louis
PXM
Puerto Escondido
$719 Roundtrip, found 2 days ago
$719
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 13 from St. Louis to Puerto Escondido, returning Sat, Dec 20, priced at $719 found 2 days ago
United
Sat, Sep 6 - Sat, Sep 13
STL
St. Louis
PXM
Puerto Escondido
$724 Roundtrip, found 3 days ago
$724
Roundtrip
found 3 days ago
Select United flight, departing Sat, Sep 6 from St. Louis to Puerto Escondido, returning Sat, Sep 13, priced at $724 found 3 days ago
United
Fri, Sep 5 - Sat, Sep 13
STL
St. Louis
PXM
Puerto Escondido
$729 Roundtrip, found 3 days ago
$729
Roundtrip
found 3 days ago
Select United flight, departing Fri, Sep 5 from St. Louis to Puerto Escondido, returning Sat, Sep 13, priced at $729 found 3 days ago
United
Mon, Dec 15 - Thu, Dec 18
STL
St. Louis
PXM
Puerto Escondido
$731 Roundtrip, found 2 days ago
$731
Roundtrip
found 2 days ago
Select United flight, departing Mon, Dec 15 from St. Louis to Puerto Escondido, returning Thu, Dec 18, priced at $731 found 2 days ago
Delta
Mon, Sep 29 - Wed, Oct 8
STL
St. Louis
PXM
Puerto Escondido
$764 Roundtrip, found 3 days ago
$764
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Sep 29 from St. Louis to Puerto Escondido, returning Wed, Oct 8, priced at $764 found 3 days ago
Aeromexico
Sat, Oct 11 - Sat, Oct 18
STL
St. Louis
PXM
Puerto Escondido
$1,134 Roundtrip, found 18 hours ago
$1,134
Roundtrip
found 18 hours ago
Select Aeromexico flight, departing Sat, Oct 11 from St. Louis to Puerto Escondido, returning Sat, Oct 18, priced at $1,134 found 18 hours ago

Alternative airports near Puerto Escondido

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

Select flight to Puerto Escondido Intl. PXM. Cheapest option available. Flights from $1,217
PXM
Puerto Escondido Intl.
Cheapest
Flights from $1,217
Flights from St. Louis (STL) to Puerto Escondido (PXM)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Puerto Escondido Intl.
Airlines serving
Aeromexico, Delta, United
Roundtrip price
$667
Distance
1631 mi

St. Louis to Puerto Escondido Flights

The cheapest times to fly from St. Louis to Puerto Escondido

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

 

The best time to book a flight from St. Louis to Puerto Escondido

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

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 Puerto Escondido in 2025. You can also book with separate airlines for your outbound and return journeys, from $313 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 Puerto Escondido 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 Puerto Escondido 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 Lambert-St. Louis Intl. Airport (STL) to Puerto Escondido Intl. Airport (PXM) cost?
Discover the latest flight deals from STL to PXM by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from STL to PXM?
The cheapest flights from STL to PXM are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from STL to PXM?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from STL to PXM. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Puerto Escondido Intl. Airport (PXM)?
There aren't any daily nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Puerto Escondido Intl. Airport (PXM). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from STL to PXM?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on a number 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 Lambert-St. Louis Intl. Airport (STL) to Puerto Escondido Intl. Airport (PXM)?
To land at Puerto Escondido Intl. Airport (PXM) on time, book 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 Puerto Escondido Intl. Airport (PXM) last-minute?
Holding off until just before your departure to book a flight from STL to PXM generally means paying more. While you may come across some last-minute offers, there's no guarantee. Keep your travel schedule open to boost your chances of getting a bargain.
Is it cheaper to book a STL to PXM flight and hotel package?
Opting for a STL to PXM flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our extensive range of stays and then add activities, flights 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 Puerto Escondido Intl. Airport (PXM)?
It's usually possible to reschedule or cancel your STL to PXM flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.