$328 Cheap Flights from Chihuahua (CUU) to St. Louis (STL)

View $328 flight on Wed, Dec 31, 2025Opens in a new window

Popular airlines from Chihuahua, Chihuahua (CUU-General Roberto Fierro Villalobos Intl.) to St. Louis Lambert Intl. Airport (STL)

Cheap Flights from Chihuahua to St. Louis (CUU-STL)

Prices were available within the past 7 days and start at $328 for one-way flights and $539 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Oct 16 - Fri, Oct 24
CUU
Chihuahua
STL
St. Louis
$539 Roundtrip, found 6 days ago
$539
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Oct 16 from Chihuahua to St. Louis, returning Fri, Oct 24, priced at $539 found 6 days ago
Frontier Airlines
Thu, Oct 16 - Mon, Nov 3
CUU
Chihuahua
STL
St. Louis
$558 Roundtrip, found 6 days ago
$558
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Oct 16 from Chihuahua to St. Louis, returning Mon, Nov 3, priced at $558 found 6 days ago
Frontier Airlines
Thu, Oct 16 - Mon, Oct 20
CUU
Chihuahua
STL
St. Louis
$575 Roundtrip, found 6 days ago
$575
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Oct 16 from Chihuahua to St. Louis, returning Mon, Oct 20, priced at $575 found 6 days ago
Frontier Airlines
Sat, Oct 18 - Mon, Nov 3
CUU
Chihuahua
STL
St. Louis
$607 Roundtrip, found 6 days ago
$607
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sat, Oct 18 from Chihuahua to St. Louis, returning Mon, Nov 3, priced at $607 found 6 days ago
Frontier Airlines
Sat, Oct 18 - Mon, Oct 20
CUU
Chihuahua
STL
St. Louis
$623 Roundtrip, found 6 days ago
$623
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sat, Oct 18 from Chihuahua to St. Louis, returning Mon, Oct 20, priced at $623 found 6 days ago
American Airlines
Thu, Oct 16 - Thu, Nov 6
CUU
Chihuahua
STL
St. Louis
$691 Roundtrip, found 6 days ago
$691
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Oct 16 from Chihuahua to St. Louis, returning Thu, Nov 6, priced at $691 found 6 days ago
American Airlines
Sat, Oct 18 - Thu, Nov 6
CUU
Chihuahua
STL
St. Louis
$714 Roundtrip, found 6 days ago
$714
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Oct 18 from Chihuahua to St. Louis, returning Thu, Nov 6, priced at $714 found 6 days ago
American Airlines
Sun, Oct 19 - Tue, Oct 21
CUU
Chihuahua
STL
St. Louis
$719 Roundtrip, found 6 days ago
$719
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Oct 19 from Chihuahua to St. Louis, returning Tue, Oct 21, priced at $719 found 6 days ago
American Airlines
Fri, Oct 17 - Mon, Nov 3
CUU
Chihuahua
STL
St. Louis
$735 Roundtrip, found 6 days ago
$735
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Oct 17 from Chihuahua to St. Louis, returning Mon, Nov 3, priced at $735 found 6 days ago
Aeromexico
Thu, Oct 2 - Wed, Oct 8
CUU
Chihuahua
STL
St. Louis
$1,423 Roundtrip, found 4 days ago
$1,423
Roundtrip
found 4 days ago
Select Aeromexico flight, departing Thu, Oct 2 from Chihuahua to St. Louis, returning Wed, Oct 8, priced at $1,423 found 4 days ago

Frequently asked questions

How much does a flight from General Roberto Fierro Villalobos Intl. Airport (CUU) to Lambert-St. Louis Intl. Airport (STL) cost?
Secure a cheap one-way flight from $328 or cheap return flight from $539 from General Roberto Fierro Villalobos Intl. Airport (CUU) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from General Roberto Fierro Villalobos Intl. Airport (CUU) to Lambert-St. Louis Intl. Airport (STL)?
Flying in October is a great way to save, as it's the cheapest month for flights between CUU and STL. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from General Roberto Fierro Villalobos Intl. Airport (CUU) to Lambert-St. Louis Intl. Airport (STL)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from CUU to STL. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from General Roberto Fierro Villalobos Intl. Airport (CUU) to Lambert-St. Louis Intl. Airport (STL)?
There aren't any daily nonstop flights departing from General Roberto Fierro Villalobos Intl. Airport (CUU) to Lambert-St. Louis Intl. Airport (STL). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from CUU to STL?
Generally you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the airline, time of year 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 General Roberto Fierro Villalobos Intl. Airport (CUU) to Lambert-St. Louis Intl. Airport (STL)?
Opt for a flight from General Roberto Fierro Villalobos Intl. Airport (CUU) to Lambert-St. Louis Intl. Airport (STL) that takes off before 3 PM to reduce the likelihood of delays. Departures later than this 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 General Roberto Fierro Villalobos Intl. Airport (CUU) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Booking your ticket from CUU to STL right before your trip is generally more expensive. But if there's some wiggle room with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a CUU to STL flight and hotel package?
Compared with arranging hotels and flights separately, booking a CUU to STL flight and hotel package with Expedia could result in significant savings. Better still, having everything in one easy place takes the hassle out of planning your trip. Simply secure your flights and choose from our wide range of stays, then customize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from General Roberto Fierro Villalobos Intl. Airport (CUU) to Lambert-St. Louis Intl. Airport (STL)?
It's generally possible to cancel or reschedule your CUU to STL flight. However, for bookings made more than 24 hours ago, additional charges 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.

Travel information

Travel information

Origin airport
General Roberto Fierro Villalobos Intl.
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
$539
Distance
1130 mi

Book with confidence

Book with confidence

Chihuahua to St. Louis Flights

The cheapest times to fly from Chihuahua to St. Louis

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

 

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

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

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 Chihuahua to St. Louis 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 Chihuahua to St. Louis 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 Chihuahua to St. Louis 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.

 

Chihuahua to St. Louis Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.