Cheap Flights from St. Louis (STL) to Guaymas (GYM)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Guaymas, Sonora (GYM-General Jose Maria Yanez Intl.)

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to General Jose Maria Yanez Intl. Airport (GYM) cost?
Snag a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to General Jose Maria Yanez Intl. Airport (GYM) 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 General Jose Maria Yanez Intl. Airport (GYM)?
is the cheapest month to fly from STL to GYM. Traveling outside of peak seasons is often the key to finding better deals on flights.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to General Jose Maria Yanez Intl. Airport (GYM)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from STL to GYM. Then, 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 General Jose Maria Yanez Intl. Airport (GYM)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to General Jose Maria Yanez Intl. Airport (GYM) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to GYM?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on various factors, including 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 General Jose Maria Yanez Intl. Airport (GYM)?
Book a flight from Lambert-St. Louis Intl. Airport (STL) to General Jose Maria Yanez Intl. Airport (GYM) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**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 General Jose Maria Yanez Intl. Airport (GYM) last-minute?
Last-minute fares from STL to GYM are typically more expensive. For the best prices, start looking for flights ahead of time. That being said, if you're flexible with your travel plans, you may land a cheap fare right before your trip.
Is it cheaper to book a STL to GYM flight and hotel package?
Compared with arranging flights and hotels separately, booking a STL to GYM flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place will take the hassle out of travel planning. Simply secure your flights and choose from our wide range of stays, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to General Jose Maria Yanez Intl. Airport (GYM)?
If you booked your STL to GYM flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the ticket type 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, go to our Customer Service portal if you'd like more information.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
General Jose Maria Yanez Intl.
Distance
1395 mi

Book with confidence

Book with confidence

St. Louis to Guaymas Flights

The cheapest times to fly from St. Louis to Guaymas

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

 

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

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

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 Guaymas in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Guaymas 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 Guaymas 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 Guaymas Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.