Beginning of main content

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

This Weekend's Flight Deals from Fort Collins to St. Louis

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Airfares from $55 One Way, $110 Round Trip from Fort Collins to St. Louis

Prices starting at $110 for return flights and $55 for one-way flights to St. Louis were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Need A Hotel In St. Louis After Your Flight?

Hotels In Top St. Louis Neighborhoods

Stay Near Exciting St. Louis Attractions

More About Flying To St. Louis from Fort Collins

Route Information for Flights from Fort Collins to St. Louis

Origin Airport IATA CodeDEN
Destination Airport IATA CodeSTL
Distance767 mi
Direct Flight AirlinesAir Canada, Frontier Airlines, Southwest Airlines, United Airlines
Earliest Flight Arrival9:40PM UTC
Latest Flight Arrival7:25AM UTC

Flights Review

Feb 26, 2020

Delayed 1.5 hours, but they allowed us to deplane...thank you for making an unexpected disruption bearable.

Jan 16, 2020

Very pleasant flight!

Nov 25, 2019

Male flight attendant was somewhat rude. Acted as though he hates his job.

Oct 13, 2019

I really appreciate it leaving on time and with room to spare

Oct 17, 2018

Friendly folks who helped me get on and off the plane easily and made sure I had everything I needed.

Sep 12, 2018

I just didn't like the fees that we had for carry-ons

Sep 11, 2018

Lambert field has the worst baggage service of any airport in the US. Took 25 minutes to get our bags

Sep 3, 2018

Flight was delayed by 1 1/2 hrs.

May 14, 2018

Great flight and enjoyed my time

May 13, 2018

Nice trip and friendly staff!

Fort Collins to St. Louis

Fort Collins to St. Louis flights are offered at fantastic discount by Orbitz. Book air tickets now and cut those extra costs out of your travel budget to ensure a rewarding travel experience. With guaranteed low prices like these, can you afford to miss this discount?

Book cheap flights from Fort Collins to St. Louis

Cheap airfares are available on flights from Fort Collins to St. Louis. Use Orbitz to find the best flights that suit both your budget and the travel times that you need. Travelers who are looking for discounted rates on domestic or international flights need to look no further than Orbitz.

Orbitz goes mobile

As the world of technology rapidly expands around us, we are continuously finding new ways to improve our services, communications, and accessibility. With our cutting-edge mobile tools now available on Android, iPhone, and tablets, you can access detailed information on your bookings for flights from Fort Collins to St. Louis at any time or anywhere. See your itinerary for your Fort Collins to St. Louis flights, baggage and gate claim details, as well as hotel deals with our easy-to-use apps.

Get a great package with your Fort Collins to St. Louis flights

With frequent updates on your flight status, including delays and changes in bookings, traveling becomes more hassle-free than ever. Not only do we offer huge discounted deals on flights from Fort Collins to St. Louis, we also have fantastic savings on vacation packages, hotel room, cruises, activities, and car rentals so you can pick and choose and create the best travel package for you.

Flights from Fort Collins to St. Louis - Frequently Asked Questions

Am I able to catch a flight from Fort Collins to St. Louis now?

The Covid-19 Travel Advisor can help you with questions about quarantine requirements and travel restrictions when catching a flight from Fort Collins to St. Louis.

Are there non-stop flights from Fort Collins to St. Louis?

There are a couple of carriers that offer nonstop flights from Denver Intl. Airport (DEN) to Lambert-St. Louis Intl. Airport (STL). Book now with United Airlines or Frontier Airlines.

What is the shortest flight from Fort Collins to St. Louis?

If conditions are good and all goes as scheduled, you could be flying into Lambert Field from Denver, CO Airport (DEN-Denver Intl.) in only 1 hour and 56 minutes. With such a short flight time, consider taking hand luggage only.

What airlines fly from Fort Collins to St. Louis most frequently?

Consider booking a flight with United Airlines (UA), which frequently services this route. This airline operates 108 flights each month between Denver Intl. Airport (DEN) and STL. If you'd like more options, look up the price of tickets with Frontier Airlines (F9), which offers 34 flights from Fort Collins to St. Louis each month.

If I am not able to travel due to COVID-19, can I cancel my flight to St. Louis?

We get that traveling right now has its challenges, so it's good to know that many reservations booked through us are able to be cancelled or changed. If your travel plans to St. Louis have been affected by COVID-19, a lot of airlines are making things easier by offering credits to use at a later date. Just sign in to your account and you'll quickly see what options are available. Our Customer Service Portal is the place to go for more information.

Are there flights to St. Louis with flexible change policies?

In most cases you'll have the option to reschedule your flight to St. Louis without a change fee. All you have to do then is pay the difference between the old flight and the new one. Look for the "no change fees" filter and book with confidence.

What is the cheapest day of the week to fly?

Consider flying out early in the week to save on your airfare. Orbitz data from 2020 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.

What is the cheapest month to fly?

We won't keep you guessing, according to Orbitz data the cheapest month to fly is August. Perfect for those who need a weekend getaway, or just a break from it all before the weather changes. Be aware that the most expensive time to fly is the height of summer, with ticket prices peaking in the month of June.

How can I save money on flights?

To really save big on your next vacation, think outside the box. Select two different airlines or fare types for your return trip and you'll generally get a much better deal. Those who tried this on Orbitz in 2020 saved up to 45% on their airfares. Get mixing and matching today!

*According to flight demand on Orbitz.com from January to December 2020. Savings are subject to change based on departure location, date and destination.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.