$354+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HDN
Nov 4 — Nov 111
Round-trip
1 adult, Economy
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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
Best
Last-minute
Cheapest flights from St. Louis to HaydenExplore 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 October 5, 2026.
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 October 5, 2026.
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Fri 10/304:39 pm -
1 stop4h 53m
Mon 11/21:27 pm -
1 stop6h 32m
Deal found 10/1![United Airlines logo]()
$354
This Southwest deal was found by Cheapflights users on 10/1. 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.
Fri 10/3011:40 am -
2 stops8h 40m
Mon 11/28:20 am -
2 stops9h 15m
Deal found 10/1![Southwest logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/30. 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 11/178:50 am -
1 stop4h 35m
Wed 11/181:27 pm -
1 stop6h 32m
Deal found 9/30![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Sun 10/49:00 am -
1 stop4h 41m
Tue 10/63:14 pm -
1 stop7h 30m
Deal found 9/30![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 10/3. 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.
Sun 10/189:00 am -
1 stop4h 41m
Thu 10/223:14 pm -
1 stop7h 30m
Deal found 10/3![United Airlines logo]()
$553
Best flights from St. Louis to HaydenDiscover carefully curated flight deals from St. Louis to Hayden that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 5, 2026.
Discover carefully curated flight deals from St. Louis to Hayden that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 5, 2026.
This Southwest deal was found by Cheapflights users on 10/1. 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.
Fri 10/3011:40 am -
2 stops8h 40m
Mon 11/28:20 am -
2 stops9h 15m
Deal found 10/1![Southwest logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/30. 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 11/178:50 am -
1 stop4h 35m
Wed 11/181:27 pm -
1 stop6h 32m
Deal found 9/30![United Airlines logo]()
$439
Last-minute flights from St. Louis to HaydenDiscover last-minute flight deals from St. Louis to Hayden. Data last updated October 5, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Hayden. Data last updated October 5, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/3. 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.
Sun 10/189:00 am -
1 stop4h 41m
Thu 10/223:14 pm -
1 stop7h 30m
Deal found 10/3![United Airlines logo]()
$553
This United Airlines deal was found by Cheapflights users on 10/4. 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 10/201:29 pm -
2 stops7h 52m
Sat 10/241:43 pm -
2 stops8h 48m
Deal found 10/4![United Airlines logo]()
$563
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Fri 10/304:39 pm -
1 stop4h 53m
Mon 11/21:27 pm -
1 stop6h 32m
Deal found 10/1![United Airlines logo]()
$354
This Southwest deal was found by Cheapflights users on 10/1. 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.
Fri 10/3011:40 am -
2 stops8h 40m
Mon 11/28:20 am -
2 stops9h 15m
Deal found 10/1![Southwest logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/30. 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 11/178:50 am -
1 stop4h 35m
Wed 11/181:27 pm -
1 stop6h 32m
Deal found 9/30![United Airlines logo]()
$439
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 October 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $354 (United Airlines) |
Popular in | July |
Cheapest in | January |
Average price | $477 |
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 7,457,451 searches. Data last updated October 5, 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
Cheapest round-trip
St. LouisHayden
STL Lambert-St Louis - HDN Hayden Yampa Valley
STLHDN
Lambert-St Louis
Fri 10/30
11:40 am-7:20 pm
2 stops8h 40m
Hayden Yampa Valley
Mon 11/2
8:20 am-6:35 pm
2 stops9h 15m
$379
Quickest round-trip
St. LouisHayden
STL Lambert-St Louis - HDN Hayden Yampa Valley
STLHDN
Lambert-St Louis
Tue 11/17
8:50 am-12:25 pm
1 stop4h 35m
Hayden Yampa Valley
Wed 11/18
1:27 pm-8:59 pm
1 stop6h 32m
$439
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
STL-HDN
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 October 5, 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.
Comfort
7.3
Crew
8.1
Food
6.7
Boarding
7.7
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Comfort
7.3
Crew
8.1
Food
6.7
Boarding
7.7
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
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.
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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 7,457,451 searches. Data last updated October 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$210 | Average$378 | FlexibilityNo cancel fee | On-time69% |