$159+ Cheap flights from St. Louis to Hayden, CO (STL - HDN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HDN
Sep 20 — Sep 271
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
One-way
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 August 21, 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 August 21, 2026.
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Sat 9/129:00 am -
1 stop6h 29m
Thu 9/173:10 pm -
1 stop7h 21m
Deal found 8/18![United Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 8/18. 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.
Mon 10/128:35 am -
2 stops11h 40m
Sat 10/179:10 am -
2 stops9h 55m
Deal found 8/18![Southwest logo]()
$352
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Mon 10/129:00 am -
1 stop4h 41m
Wed 10/141:43 pm -
2 stops8h 16m
Deal found 8/20![United Airlines logo]()
$361
This Southwest deal was found by Cheapflights users on 8/20. 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.
Mon 10/128:35 am -
2 stops11h 40m
Wed 10/148:55 am -
2 stops7h 45m
Deal found 8/20![Southwest logo]()
$387
This United Airlines deal was found by Cheapflights users on 8/17. 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 12/89:13 am -
1 stop4h 22m
Wed 12/91:29 pm -
1 stop6h 30m
Deal found 8/17![United Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Sat 9/59:00 am -
1 stop6h 29m
Tue 9/297:05 am -
1 stop4h 35m
Deal found 8/19![United Airlines logo]()
$398
This Southwest deal was found by Cheapflights users on 8/19. 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.
Thu 9/38:35 am -
2 stops11h 45m
Wed 9/308:55 am -
2 stops8h 00m
Deal found 8/19![Southwest logo]()
$408
This Southwest deal was found by Cheapflights users on 8/19. 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.
Sat 9/58:25 am -
2 stops11h 05m
Tue 9/298:55 am -
2 stops8h 00m
Deal found 8/19![Southwest logo]()
$414
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 August 21, 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 August 21, 2026.
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Mon 10/129:00 am -
1 stop4h 41m
Sat 10/173:14 pm -
1 stop7h 30m
Deal found 8/18![United Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 8/18. 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.
Mon 10/128:35 am -
2 stops11h 40m
Sat 10/179:10 am -
2 stops9h 55m
Deal found 8/18![Southwest logo]()
$352
This United Airlines deal was found by Cheapflights users on 8/16. 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 1/56:00 am -
1 stop6h 14m
Mon 1/111:29 pm -
1 stop6h 30m
Deal found 8/16![United Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Sat 9/1212:59 pm -
2 stops8h 25m
Thu 9/173:10 pm -
1 stop7h 21m
Deal found 8/18![United Airlines logo]()
$322
This United Airlines deal was found by Cheapflights users on 8/18. 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 12/89:13 am -
1 stop4h 22m
Wed 12/91:29 pm -
1 stop6h 30m
Deal found 8/18![United Airlines logo]()
$397
Last-minute flights from St. Louis to HaydenDiscover last-minute flight deals from St. Louis to Hayden. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Hayden. Data last updated August 21, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 8/19. 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.
Thu 9/38:35 am -
2 stops11h 45m
Wed 9/308:55 am -
2 stops8h 00m
Deal found 8/19![Southwest logo]()
$408
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Sat 9/59:00 am -
1 stop6h 29m
Tue 9/297:05 am -
1 stop4h 35m
Deal found 8/19![United Airlines logo]()
$398
This Southwest deal was found by Cheapflights users on 8/19. 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.
Sat 9/58:25 am -
2 stops11h 05m
Tue 9/298:55 am -
2 stops8h 00m
Deal found 8/19![Southwest logo]()
$414
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Sat 9/129:00 am -
1 stop6h 29m
Thu 9/173:10 pm -
1 stop7h 21m
Deal found 8/18![United Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 8/20. 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.
Sat 9/128:25 am -
2 stops11h 05m
Thu 9/178:15 am -
2 stops8h 50m
Deal found 8/20![Southwest logo]()
$423
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Mon 9/144:40 pm -
1 stop4h 44m
Mon 9/211:30 pm -
1 stop6h 08m
Deal found 8/20![United Airlines logo]()
$438
This Southwest deal was found by Cheapflights users on 8/20. 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.
Mon 9/142:00 pm -
1 stop6h 20m
Thu 9/178:15 am -
2 stops8h 50m
Deal found 8/20![Southwest logo]()
$471
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Sat 9/198:30 am -
2 stops6h 59m
Mon 9/211:30 pm -
1 stop6h 08m
Deal found 8/20![United Airlines logo]()
$444
One-way flights from St. Louis to HaydenSearch for one-way flight options from St. Louis to Hayden. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
Search for one-way flight options from St. Louis to Hayden. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
This American Airlines deal was found by Cheapflights users on 8/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/36:00 am -
1 stop7h 27m
Deal found 8/18![American Airlines logo]()
$159
This Southwest deal was found by Cheapflights users on 8/18. 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.
Wed 2/31:15 pm -
2 stops7h 05m
Deal found 8/18![Southwest logo]()
$164
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 August 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $317 (United Airlines) |
One-way from | $159 (American Airlines) |
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 August 21, 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
Mon 10/12
9:00 am-12:41 pm
1 stop4h 41m
Hayden Yampa Valley
Sat 10/17
3:14 pm-11:44 pm
1 stop7h 30m
$317
St. LouisHayden
STL Lambert-St Louis - HDN Hayden Yampa Valley
STLHDN
Lambert-St Louis
Tue 1/5
6:00 am-11:14 am
1 stop6h 14m
Hayden Yampa Valley
Mon 1/11
1:29 pm-8:59 pm
1 stop6h 30m
$317
St. LouisHayden
STL Lambert-St Louis - HDN Hayden Yampa Valley
STLHDN
Lambert-St Louis
Sat 9/12
12:59 pm-8:24 pm
2 stops8h 25m
Hayden Yampa Valley
Thu 9/17
3:10 pm-11:31 pm
1 stop7h 21m
$322
St. LouisHayden
STL Lambert-St Louis - HDN Hayden Yampa Valley
STLHDN
Lambert-St Louis
Mon 10/12
8:35 am-7:15 pm
2 stops11h 40m
Hayden Yampa Valley
Sat 10/17
9:10 am-8:05 pm
2 stops9h 55m
$352
Quickest round-trip
St. LouisHayden
STL Lambert-St Louis - HDN Hayden Yampa Valley
STLHDN
Lambert-St Louis
Tue 12/8
9:13 am-12:35 pm
1 stop4h 22m
Hayden Yampa Valley
Wed 12/9
1:29 pm-8:59 pm
1 stop6h 30m
$397
Cheapest one-way
St. LouisHayden
STL Lambert-St Louis - HDN Hayden Yampa Valley
STLHDN
Lambert-St Louis
Wed 2/3
6:00 am-12:27 pm
1 stop7h 27m
$159
Quickest one-way
St. LouisHayden
STL Lambert-St Louis - HDN Hayden Yampa Valley
STLHDN
Lambert-St Louis
Wed 2/3
1:15 pm-7:20 pm
2 stops7h 05m
$164
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 August.
| 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 August 21, 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.
Overall
7.4
Boarding
7.7
Food
6.7
Entertainment
7.1
Comfort
7.3
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Overall
7.4
Boarding
7.7
Food
6.7
Entertainment
7.1
Comfort
7.3
Crew
8.1
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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Complete your trip
Complete your trip to Hayden by adding a car rental and/or hotel reservation to your travel itinerary.
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Other flights to Hayden
Explore flights to Hayden departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.
St. Louis and Hayden flights
Browse other St. Louis and Hayden flight options. Last updated on August 21, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 August 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$210 | Average$379 | FlexibilityNo cancel fee | On-time69% |