$343 Cheap Flights from Culiacan (CUL) to St. Louis (STL)

View $343 flight on Sat, Jan 17, 2026Opens in a new window

Popular airlines from Federal Bachigualato Intl. Airport (CUL) to St. Louis Lambert Intl. Airport (STL)

Cheap Flights from Culiacan to St. Louis (CUL-STL)

Prices were available within the past 7 days and start at $343 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Federal Bachigualato Intl. Airport (CUL) to Lambert-St. Louis Intl. Airport (STL) cost?
Grab a cheap one-way flight from $343 or cheap return flight from Federal Bachigualato Intl. Airport (CUL) 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 deals on this route.
What is the cheapest month to fly from Federal Bachigualato Intl. Airport (CUL) to Lambert-St. Louis Intl. Airport (STL)?
is the cheapest month to fly from CUL to STL. Traveling outside of peak seasons is often the key to landing a great deal.
What is the cheapest airline that flies from Federal Bachigualato Intl. Airport (CUL) to Lambert-St. Louis Intl. Airport (STL)?
To find the cheapest airline flying from CUL to STL, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Federal Bachigualato Intl. Airport (CUL) to Lambert-St. Louis Intl. Airport (STL)?
Direct flights from Federal Bachigualato Intl. Airport (CUL) to Lambert-St. Louis Intl. Airport (STL) 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 details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CUL to STL?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Federal Bachigualato Intl. Airport (CUL) to Lambert-St. Louis Intl. Airport (STL)?
To avoid potential delays on the Federal Bachigualato Intl. Airport (CUL) to Lambert-St. Louis Intl. Airport (STL) route, fly before 3 PM. Later departures have a 22% higher chance of being 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 Federal Bachigualato Intl. Airport (CUL) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute fares from CUL to STL are usually more expensive. To lock in the lowest rates, start looking for flights early. That being said, if your travel plans are flexible, it's possible to land a cheap fare right before your trip.
Is it cheaper to book a CUL to STL flight and hotel package?
Compared with arranging flights and hotels separately, booking a CUL 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. Just pick your flights and choose from our wide range of stays, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Federal Bachigualato Intl. Airport (CUL) to Lambert-St. Louis Intl. Airport (STL)?
It's generally possible to reschedule or cancel your CUL to STL flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Federal Bachigualato Intl.
Destination airport
Lambert-St. Louis Intl.
Distance
1388 mi

Book with confidence

Book with confidence

Culiacan to St. Louis Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Culiacan 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 Culiacan 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 Culiacan to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $343 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 Culiacan 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 Culiacan 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.

 

Culiacan to St. Louis Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.