What are the cheapest airlines flying from St. Louis to Hayden, Colorado round-trip?

Cheapflights users have booked flights from St. Louis to Hayden, Colorado round-trip from $241. Another airline that can offer you cheap pricing is United Airlines. These flights start at 51% lower than the current average price 3 months from now.

What is the cheapest day to fly from St. Louis to Hayden, Colorado?

Travelers seeking maximum savings on their St. Louis to Hayden, Colorado flight should consider departing on Sunday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Hayden, Colorado ranges from 1.2 - 1.6 inches per month. April is typically the wettest month, when rainfall can reach 1.6 in. February is typically the driest time to visit Hayden, Colorado when rainfall is around 1.2 in.

If weather is an important factor for your trip to Hayden, Colorado, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.6 F).

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

Users have found that leaving on a Saturday can be a cost-effective option. It’s possible to save up to 82% on your flight compared to booking on days when demand is much higher.

What is the cheapest month to fly from St. Louis to Hayden, Colorado?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, March can be a great choice for travel to Hayden, Colorado. Flights to Hayden, Colorado from St. Louis in March are about $499 on average during March, but can be found for as low as $349.

What is the cheapest time of day to fly from STL to HDN?

When flying from St. Louis to Hayden, Colorado, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 11% versus a flight in the morning.

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.

$241+ Flights from St. Louis to Hayden, CO

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Cheap flight deals from St. Louis to Hayden

Round-trip from	$241 (Southwest)
Popular in	August
Cheapest in	March
Average price	$640

From Lambert-St Louis to Hayden Yampa Valley

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($81 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

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Find 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 July 3, 2025.

Sat 9/205:45 amSTL - HDN

1 stop6h 40mSouthwest

Sat 9/2712:00 pmHDN - STL

1 stop4h 00mSouthwest

Deal found 7/2

$241

Wed 9/39:00 amSTL - HDN

1 stop4h 21mUnited Airlines

Mon 9/83:15 pmHDN - STL

1 stop4h 31mUnited Airlines

Deal found 7/3

$358

Sat 12/277:06 pmSTL - HDN

2 stops17h 37mAmerican Airlines

Fri 1/22:28 pmHDN - STL

2 stops16h 47mAmerican Airlines

Deal found 7/2

$1,634

Best flights from St. Louis to Hayden
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 July 3, 2025.

Sat 9/205:45 amSTL - HDN

1 stop6h 40mSouthwest

Sat 9/2712:00 pmHDN - STL

1 stop4h 00mSouthwest

Deal found 7/2

$241

Wed 9/39:00 amSTL - HDN

1 stop4h 21mUnited Airlines

Mon 9/83:15 pmHDN - STL

1 stop4h 31mUnited Airlines

Deal found 7/3

$358

Last-minute flights from St. Louis to Hayden
Discover last-minute flight deals from St. Louis to Hayden. Data last updated July 3, 2025 and is based on user searches.

Thu 7/178:54 amSTL - HDN

1 stop4h 26mUnited Airlines

Mon 7/211:01 pmHDN - STL

2 stops8h 44mUnited Airlines

Deal found 7/2

$804

Cheapflights Fare Finder

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

St. LouisHayden

STL - HDN

STLHDN

Lambert-St Louis

Sat 9/20

5:45 am-11:25 am

1 stop6h 40m

Hayden Yampa Valley

Sat 9/27

12:00 pm-5:00 pm

1 stop4h 00m

$241

St. LouisHayden

STL - HDN

STLHDN

Lambert-St Louis

Wed 9/3

9:00 am-12:21 pm

1 stop4h 21m

Hayden Yampa Valley

Mon 9/8

3:15 pm-8:46 pm

1 stop4h 31m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Hayden

What is the cheapest month to book a flight from St. Louis to Hayden, Colorado?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Hayden, Colorado (average of $397). Flying from St. Louis to Hayden, Colorado in July is currently the most expensive (average of $587). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Hayden

Read reviews from past customers who have flown Southwest and 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.

Southwest

8.0

Very good

4,266 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Southwest

8.0

Very good

4,266 reviews

Southwest

8.0

Very good

4,266 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

United Airlines

7.4

Good

8,861 reviews

Southwest

8.0

Very good

4,266 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

What are the cheapest airlines flying from St. Louis to Hayden, Colorado round-trip?
Cheapflights users have booked flights from St. Louis to Hayden, Colorado round-trip from $241. Another airline that can offer you cheap pricing is United Airlines. These flights start at 51% lower than the current average price 3 months from now.
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.
What is the cheapest month to book a flight from St. Louis to Hayden, Colorado?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Hayden, Colorado (average of $397). Flying from St. Louis to Hayden, Colorado in July is currently the most expensive (average of $587). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for St. Louis to Hayden

Top 2 airlines flying from St. Louis to Hayden

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$287	Average$692	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$291	Average$441	FlexibilityNo cancel fee	On-time69%

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$241+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Hayden with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to Hayden

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Hayden

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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Hayden that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Hayden

What is the cheapest month to book a flight from St. Louis to Hayden, Colorado?

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 July 3, 2025.

Read reviews from past customers who have flown Southwest and 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.

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.

What are the cheapest airlines flying from St. Louis to Hayden, Colorado round-trip?

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

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

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

What is the cheapest month to book a flight from St. Louis to Hayden, Colorado?

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.

Alternative routes for St. Louis to Hayden

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from St. Louis to Hayden

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Book with Flexibility

Travel Smart

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 July 3, 2025.