$191 Cheap Flights from Gunnison (GUC) to St. Louis (STL)

View $191 flight on Wed, Jun 24, 2026Opens in a new window

Popular airlines from Gunnison, CO (GUC-Gunnison-Crested Butte Regional) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Gunnison to St. Louis (GUC-STL)

Prices were available within the past 7 days and start at $191 for one-way flights and $321 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Jun 24 - Tue, Jul 14
GUC
Gunnison
STL
St. Louis
$321 Roundtrip, found 1 day ago
$321
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Jun 24 from Gunnison to St. Louis, returning Tue, Jul 14, priced at $321 found 1 day ago
United
Wed, Jun 24 - Tue, Jul 14
GUC
Gunnison
STL
St. Louis
$379 Roundtrip, found 1 day ago
$379
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jun 24 from Gunnison to St. Louis, returning Tue, Jul 14, priced at $379 found 1 day ago
United
Wed, Jun 24 - Tue, Jul 14
GUC
Gunnison
STL
St. Louis
$384 Roundtrip, found 1 day ago
$384
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jun 24 from Gunnison to St. Louis, returning Tue, Jul 14, priced at $384 found 1 day ago
American Airlines
Wed, Jun 24 - Tue, Jul 14
GUC
Gunnison
STL
St. Louis
$391 Roundtrip, found 1 day ago
$391
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Jun 24 from Gunnison to St. Louis, returning Tue, Jul 14, priced at $391 found 1 day ago
United
Wed, Jun 24 - Tue, Jul 14
GUC
Gunnison
STL
St. Louis
$406 Roundtrip, found 1 day ago
$406
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jun 24 from Gunnison to St. Louis, returning Tue, Jul 14, priced at $406 found 1 day ago
American Airlines
Wed, Jun 24 - Tue, Jul 14
GUC
Gunnison
STL
St. Louis
$416 Roundtrip, found 1 day ago
$416
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Jun 24 from Gunnison to St. Louis, returning Tue, Jul 14, priced at $416 found 1 day ago
United
Wed, Jun 24 - Tue, Jul 14
GUC
Gunnison
STL
St. Louis
$419 Roundtrip, found 1 day ago
$419
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jun 24 from Gunnison to St. Louis, returning Tue, Jul 14, priced at $419 found 1 day ago
United
Wed, Jun 24 - Tue, Jul 14
GUC
Gunnison
STL
St. Louis
$437 Roundtrip, found 1 day ago
$437
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jun 24 from Gunnison to St. Louis, returning Tue, Jul 14, priced at $437 found 1 day ago
United
Wed, Jun 24 - Tue, Jul 14
GUC
Gunnison
STL
St. Louis
$448 Roundtrip, found 1 day ago
$448
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jun 24 from Gunnison to St. Louis, returning Tue, Jul 14, priced at $448 found 1 day ago
United
Wed, Jun 24 - Tue, Jul 14
GUC
Gunnison
STL
St. Louis
$454 Roundtrip, found 1 day ago
$454
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jun 24 from Gunnison to St. Louis, returning Tue, Jul 14, priced at $454 found 1 day ago

Frequently asked questions

How much does a flight from Gunnison-Crested Butte Regional Airport (GUC) to Lambert-St. Louis Intl. Airport (STL) cost?
Get a cheap one-way flight from $191 or cheap return flight from $321 from Gunnison-Crested Butte Regional Airport (GUC) 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 Gunnison-Crested Butte Regional Airport (GUC) to Lambert-St. Louis Intl. Airport (STL)?
June is the most affordable month to fly from GUC to STL. Traveling outside of peak seasons is often the key to better flight prices.
What is the cheapest airline that flies from Gunnison-Crested Butte Regional Airport (GUC) to Lambert-St. Louis Intl. Airport (STL)?
To find the cheapest airline flying from GUC to STL, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Gunnison-Crested Butte Regional Airport (GUC) to Lambert-St. Louis Intl. Airport (STL)?
You'll need to hop on a flight with a layover if you're traveling from Gunnison-Crested Butte Regional Airport (GUC) to Lambert-St. Louis Intl. Airport (STL). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from GUC to STL?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a range of 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 Gunnison-Crested Butte Regional Airport (GUC) to Lambert-St. Louis Intl. Airport (STL)?
To reach Lambert-St. Louis Intl. Airport (STL) without delays, opt for a flight that leaves Gunnison-Crested Butte Regional Airport (GUC) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Gunnison-Crested Butte Regional Airport (GUC) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute fares from GUC to STL are usually more expensive. To lock in the lowest rates, start searching for flights well in advance. That said, if your travel plans are flexible, it's possible to land a cheap ticket right before your trip.
Is it cheaper to book a GUC to STL flight and hotel package?
Compared with arranging flights and hotels separately, booking a GUC to STL flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the stress out of planning your trip. Just secure your flights and choose from our wide range of hotels, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Gunnison-Crested Butte Regional Airport (GUC) to Lambert-St. Louis Intl. Airport (STL)?
If you booked your GUC to STL flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
Gunnison-Crested Butte Regional
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, United
Roundtrip price
$320
Distance
893 mi

Book with confidence

Gunnison to St. Louis Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Gunnison 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 Gunnison 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 Gunnison to St. Louis in 2026. You can also book with separate airlines for your outbound and return journeys, from $191 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 Gunnison 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 Gunnison 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.

 

Gunnison to St. Louis Flights

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*Available to One Key members.