$250 Cheap Flights from St. Louis (STL) to Guadalajara (GDL)

View $250 flight on Fri, Sep 5, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Don Miguel Hidalgo y Costilla Intl. Airport (GDL)

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Cheap Flights from St. Louis to Guadalajara (STL-GDL)

Prices were available within the past 7 days and start at $250 for one-way flights and $476 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Aug 21 - Sat, Aug 30
STL
St. Louis
GDL
Guadalajara
$476 Roundtrip, found 4 days ago
$476
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Aug 21 from St. Louis to Guadalajara, returning Sat, Aug 30, priced at $476 found 4 days ago
Frontier Airlines
Thu, Aug 21 - Wed, Sep 3
STL
St. Louis
GDL
Guadalajara
$481 Roundtrip, found 4 days ago
$481
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Aug 21 from St. Louis to Guadalajara, returning Wed, Sep 3, priced at $481 found 4 days ago
Frontier Airlines
Tue, Aug 19 - Tue, Aug 26
STL
St. Louis
GDL
Guadalajara
$489 Roundtrip, found 21 hours ago
$489
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Tue, Aug 19 from St. Louis to Guadalajara, returning Tue, Aug 26, priced at $489 found 21 hours ago
Frontier Airlines
Thu, Aug 21 - Tue, Sep 2
STL
St. Louis
GDL
Guadalajara
$490 Roundtrip, found 4 days ago
$490
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Aug 21 from St. Louis to Guadalajara, returning Tue, Sep 2, priced at $490 found 4 days ago
Frontier Airlines
Sat, Oct 11 - Wed, Oct 15
STL
St. Louis
GDL
Guadalajara
$493 Roundtrip, found 4 hours ago
$493
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Sat, Oct 11 from St. Louis to Guadalajara, returning Wed, Oct 15, priced at $493 found 4 hours ago
Frontier Airlines
Wed, Aug 13 - Tue, Aug 19
STL
St. Louis
GDL
Guadalajara
$496 Roundtrip, found 3 days ago
$496
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Aug 13 from St. Louis to Guadalajara, returning Tue, Aug 19, priced at $496 found 3 days ago
American Airlines
Wed, Sep 3 - Wed, Sep 17
STL
St. Louis
GDL
Guadalajara
$544 Roundtrip, just found
$544
Roundtrip
just found
Select American Airlines flight, departing Wed, Sep 3 from St. Louis to Guadalajara, returning Wed, Sep 17, priced at $544 just found
Aeromexico
Tue, Sep 9 - Tue, Sep 16
STL
St. Louis
GDL
Guadalajara
$544 Roundtrip, found 3 days ago
$544
Roundtrip
found 3 days ago
Select Aeromexico flight, departing Tue, Sep 9 from St. Louis to Guadalajara, returning Tue, Sep 16, priced at $544 found 3 days ago
Delta
Wed, Sep 17 - Mon, Sep 22
STL
St. Louis
GDL
Guadalajara
$544 Roundtrip, found 4 hours ago
$544
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, Sep 17 from St. Louis to Guadalajara, returning Mon, Sep 22, priced at $544 found 4 hours ago
United
Wed, Sep 3 - Wed, Sep 17
STL
St. Louis
GDL
Guadalajara
$544 Roundtrip, just found
$544
Roundtrip
just found
Select United flight, departing Wed, Sep 3 from St. Louis to Guadalajara, returning Wed, Sep 17, priced at $544 just found

Find the cheapest month to fly from St. Louis (STL) to Guadalajara (GDL)

May is typically the cheapest month to fly

From $469 - $827 per traveler.

Graph displaying average flight prices per month

Alternative airports near Guadalajara

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

Select flight to Don Miguel Hidalgo y Costilla Intl. GDL. Cheapest and Closest option available. Average driving time to city center is 18 minutes. Flights from $769
GDL
Don Miguel Hidalgo y Costilla Intl.
CheapestClosest
Average driving time to city center18 min
Flights from $769
Flights from St. Louis (STL) to Guadalajara (GDL)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Don Miguel Hidalgo y Costilla Intl.
Airlines serving
Aeromexico, Air Canada, Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$476
Distance
1475 mi

St. Louis to Guadalajara Flights

The cheapest times to fly from St. Louis to Guadalajara

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

 

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

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

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 Guadalajara in 2025. You can also book with separate airlines for your outbound and return journeys, from $250 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 Guadalajara 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 Guadalajara 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 Don Miguel Hidalgo y Costilla Intl. Airport (GDL) cost?
Discover the latest flight deals from STL to GDL 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 GDL?
The cheapest flights from STL to GDL 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 GDL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from STL to GDL. 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 Don Miguel Hidalgo y Costilla Intl. Airport (GDL)?
There are no daily direct flights departing from Lambert-St. Louis Intl. Airport (STL) to Don Miguel Hidalgo y Costilla Intl. Airport (GDL). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from STL to GDL?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on a number of factors, including the time of year and airline.*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 Don Miguel Hidalgo y Costilla Intl. Airport (GDL)?
To avoid possible delays on the Lambert-St. Louis Intl. Airport (STL) to Don Miguel Hidalgo y Costilla Intl. Airport (GDL) route, aim to fly before 3 PM. Later departures have a 22% higher chance of cancellation.**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 Don Miguel Hidalgo y Costilla Intl. Airport (GDL) last-minute?
Last-minute bookings from STL to GDL are typically more expensive. For the lowest rates, start searching for flights ahead of time. That being said, if your travel plans are flexible, it's possible to find a cheap ticket right before your trip.
Is it cheaper to book a STL to GDL flight and hotel package?
You can save money by securing a STL to GDL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After choosing your preferred accommodations and flights, consider adding extras including car rentals, activities and tours.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Don Miguel Hidalgo y Costilla Intl. Airport (GDL)?
If you reserved your STL to GDL flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond 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 details.

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*Available to One Key members.