In terms of precipitation, rainfall in Alamosa ranges from 0.3 - 1.3 inches per month. August is typically the wettest month, when rainfall can reach 1.3 in. January is typically the driest time to visit Alamosa when rainfall is around 0.3 in.

If weather is an important factor for your trip to Alamosa, 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 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Alamosa as you normally would.

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

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

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

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

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

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

$626+ Cheap Flights from St. Louis to Alamosa

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Cheap flight deals from St. Louis to Alamosa

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Cheapest flights from St. Louis to Alamosa
Explore the most affordable flight options available from St. Louis to Alamosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.

Tue 9/1512:17 pm -

2 stops26h 13m

Sat 9/198:00 am -

1 stop10h 17m

Deal found 8/31

$626

Sun 9/131:02 pm -

1 stop6h 23m

Sun 9/202:00 pm -

2 stops22h 10m

Deal found 9/4

$948

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Round-trip from	$626 (Kiwi.com)

From Lambert-St Louis to Alamosa

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St. LouisAlamosa

STL Lambert-St Louis - ALS Alamosa

STLALS

Lambert-St Louis

Tue 9/15

12:17 pm-1:30 pm

2 stops26h 13m

Alamosa

Sat 9/19

8:00 am-7:17 pm

1 stop10h 17m

$626

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STL-ALS

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Related info for your journey

Can I find deals for flights from St. Louis to Alamosa that include hotel bookings?
Yes. In addition to deals on St. Louis to Alamosa flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Alamosa?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Alamosa.
Can I find deals for business class flights from St. Louis to Alamosa?
Yes. Cheapflights offers flight deals from St. Louis to Alamosa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$626+ Cheap flights from St. Louis to Alamosa (STL - ALS)

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Alamosa 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 Alamosa

Cheapest flights from St. Louis to AlamosaExplore the most affordable flight options available from St. Louis to Alamosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.

Explore the most affordable flight options available from St. Louis to Alamosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.

Best flights from St. Louis to AlamosaDiscover carefully curated flight deals from St. Louis to Alamosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.

Discover carefully curated flight deals from St. Louis to Alamosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.

Last-minute flights from St. Louis to AlamosaDiscover last-minute flight deals from St. Louis to Alamosa. Data last updated September 4, 2026 and is based on user searches.

Discover last-minute flight deals from St. Louis to Alamosa. Data last updated September 4, 2026 and is based on user searches.

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Related info for your journey

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

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

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

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Cheapest flights from St. Louis to Alamosa
Explore the most affordable flight options available from St. Louis to Alamosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.

Best flights from St. Louis to Alamosa
Discover carefully curated flight deals from St. Louis to Alamosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.

Last-minute flights from St. Louis to Alamosa
Discover last-minute flight deals from St. Louis to Alamosa. Data last updated September 4, 2026 and is based on user searches.