$257 Cheap Flights from St. Louis (STL) to Oaxaca Intl. (OAX)

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Find available prices by choosing your travel dates.

Cheap Flights from St. Louis to Oaxaca Intl. (STL-OAX)

Prices were available within the past 7 days and start at $257 for one-way flights and $366 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
American Airlines
American Airlines
United
United
United
American Airlines
Delta
Frontier Airlines
Aeromexico
Flights from St. Louis (STL) to Oaxaca Intl. (OAX)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Oaxaca Intl.
Airlines serving
Aeromexico, American Airlines, Delta, United
Roundtrip price
$365
Distance
1550 mi

St. Louis to Oaxaca Intl. Flights

The cheapest times to fly from St. Louis to Oaxaca Intl.

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

The best time to book a flight from St. Louis to Oaxaca Intl.

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

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 Oaxaca Intl. in 2025. You can also book with separate airlines for your outbound and return journeys, from $257 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 Oaxaca Intl. 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 Oaxaca Intl. 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 Xoxocotlan Intl. Airport (OAX) cost?
Discover the latest flight deals from STL to OAX 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 OAX?
The cheapest flights from STL to OAX 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 OAX?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from STL to OAX. 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 Xoxocotlan Intl. Airport (OAX)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to Xoxocotlan Intl. Airport (OAX) aren’t available daily, so you’ll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and choose either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from STL to OAX?
Usually you’ll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the time of year, 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 Xoxocotlan Intl. Airport (OAX)?
Book a flight from Lambert-St. Louis Intl. Airport (STL) to Xoxocotlan Intl. Airport (OAX) that leaves before 3 PM to reduce the likelihood of delays and 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 Xoxocotlan Intl. Airport (OAX) last-minute?
Holding off until just before your departure to book a flight from STL to OAX often results in higher prices. While it’s possible to find some last-minute deals, there’s no guarantee. Keep your travel plans flexible to boost your chances of snagging a bargain.
Is it cheaper to book a STL to OAX flight and hotel package?
You can save money by securing a STL to OAX 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 choosing your ideal accommodations and flights, you can add extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Xoxocotlan Intl. Airport (OAX)?
If you booked your STL to OAX flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket 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 for more information.

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*Available to One Key members.