HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Hayden

$320+ Cheap flights from St. Louis to Hayden, CO (STL - HDN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HDN
Jul 28 — Aug 41
Tue 7/28
Tue 8/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Hayden with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Hayden

Cheapest flights from St. Louis to Hayden
Explore the most affordable flight options available from St. Louis to Hayden. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 28, 2026.

This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:35 am
STL
-
HDN
2 stops11h 35m
Southwest
Fri 10/168:20 am
HDN
-
STL
1 stop4h 25m
Southwest
Deal found 6/25$320
This United Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:30 pm
STL
-
HDN
1 stop4h 59m
United Airlines
Wed 12/97:30 am
HDN
-
STL
1 stop4h 13m
United Airlines
Deal found 6/24$351
This United Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:00 am
STL
-
HDN
1 stop6h 29m
United Airlines
Wed 8/263:10 pm
HDN
-
STL
1 stop4h 36m
United Airlines
Deal found 6/27$395
This United Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:29 pm
STL
-
HDN
2 stops7h 52m
United Airlines
Fri 10/161:43 pm
HDN
-
STL
1 stop5h 53m
United Airlines
Deal found 6/25$444

Find flight deals from St. Louis to Hayden

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Hayden (HDN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$320
(Southwest)
Provider with most accurate pricing for Lambert-St Louis-Hayden Yampa Valley flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Hayden Yampa Valley flights.
Search Deals
From Lambert-St Louis to Hayden Yampa Valley
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Hayden that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 28, 2026.
Use the filters below to find and compare flights from St. Louis to Hayden that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisHayden

STL - HDN

STLHDN

Lambert-St Louis

Tue 8/25

9:00 am-2:29 pm

1 stop6h 29m

Hayden Yampa Valley

Wed 8/26

3:10 pm-8:46 pm

1 stop4h 36m

$395

St. LouisHayden

STL - HDN

STLHDN

Lambert-St Louis

Thu 7/16

11:25 am-7:25 pm

2 stops9h 00m

Hayden Yampa Valley

Tue 7/21

8:00 am-4:05 pm

1 stop7h 05m

$628
Quickest round-trip

St. LouisHayden

STL - HDN

STLHDN

Lambert-St Louis

Thu 7/9

4:48 pm-8:07 pm

1 stop4h 19m

Hayden Yampa Valley

Mon 7/13

1:14 pm-8:43 pm

1 stop6h 29m

$648

St. LouisHayden

STL - HDN

STLHDN

Lambert-St Louis

Thu 7/16

4:48 pm-8:07 pm

1 stop4h 19m

Hayden Yampa Valley

Tue 7/21

1:14 pm-8:43 pm

1 stop6h 29m

$669

St. LouisHayden

STL - HDN

STLHDN

Lambert-St Louis

Wed 7/1

9:06 am-2:39 pm

1 stop6h 33m

Hayden Yampa Valley

Sun 7/5

7:25 am-12:42 pm

1 stop4h 17m

$737

St. LouisHayden

STL - HDN

STLHDN

Lambert-St Louis

Mon 9/14

4:40 pm-8:24 pm

1 stop4h 44m

Hayden Yampa Valley

Sat 9/19

7:05 am-5:06 pm

2 stops9h 01m

$1,265

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/27

Sorted by cheapest first

Compare providers for flights from St. Louis to Hayden

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Hayden in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Hayden, Colorado flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Hayden, Colorado flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Hayden, Colorado flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Hayden, Colorado flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Hayden, Colorado flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Hayden

Have a flexible travel schedule? Discover the best time to fly to Hayden from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Hayden

Get insights into the airlines that provide service to Hayden. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hayden. Reviews last updated June 28, 2026.
Read reviews from past customers who have flown United Airlines from St. Louis to Hayden. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,899 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
9,899 reviews
United Airlines
7.4
Good
9,899 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Hayden. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from St. Louis to Hayden, Colorado?

    There are many flights that can get you from St. Louis to Hayden, Colorado in 6h 29m. Fly via United Airlines or Southwest to get the fastest option. St. Louis and Hayden, Colorado are separated by a distance of 903 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from St. Louis to Hayden, Colorado round-trip?

    Cheapflights users have booked flights from St. Louis to Hayden, Colorado round-trip from $210.

  • Can I find deals for flights from St. Louis to Hayden that include hotel bookings?

    Yes. In addition to deals on St. Louis to Hayden flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Hayden?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Hayden.

  • Can I find deals for business class flights from St. Louis to Hayden?

    Yes. Cheapflights offers flight deals from St. Louis to Hayden by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from St. Louis to Hayden

Discover the top airline that operate flights from St. Louis to Hayden. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$210Average$384FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.