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Alamosa

$936+ Cheap flights from Dulles Intl (IAD) to Alamosa (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 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ALS
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Find flight deals from Dulles Intl to Alamosa

Cheapest flights from Dulles Intl to Alamosa
Explore the most affordable flight options available from Dulles Intl to Alamosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

This United deal was found by Cheapflights users on 3/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/278:30 amIAD - ALS
1 stop11h 55mMultiple Airlines
Sat 3/293:30 pmALS - IAD
1 stop17h 55mMultiple Airlines
Deal found 3/23$936

Best time to book a flight from Dulles Intl to Alamosa

Have a flexible travel schedule? Discover the best time to fly to Alamosa from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Alamosa

Rainfall in Alamosa by month

Plan your trip to Alamosa by taking into account the average rainfall totals by month.

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.

Temperature in Alamosa by month

Plan your trip to Alamosa by taking into account the average temperature totals by month.

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).

Related info for your journey

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

  • What airport do you fly into for flights to Alamosa from Washington, D.C. Dulles Intl?

    Alamosa (ALS), located 2.4 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Alamosa. 0 airlines have flights to Alamosa from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Alamosa should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.

  • Can I find deals for flights from Dulles Intl to Alamosa that include hotel bookings?

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

  • How can I find direct flights from Dulles Intl to Alamosa?

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

  • Can I find deals for business class flights from Dulles Intl to Alamosa?

    Yes. Cheapflights offers flight deals from Dulles Intl 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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