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Flights from Seattle to Alamosa
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Find Seattle to Alamosa flights starting at CAD 585.

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • Round-trip
      • SEA05:00
        9h
        1 stop
        ALS15:00
        Wed, Dec 4|Seattle - Alamosa|United Airlines
        ALS08:00
        14h 5m
        1 stop
        SEA21:05
        Tue, Dec 10|Alamosa - Seattle|Key Lime Air
        CAD 585CAD 873
        33% OFF
        33% OFF
        CAD 873CAD 585

        Choose United Airlines flights from Seattle to Alamosa. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Wed, Dec 4-Tue, Dec 10, arriving at San Luis Valley Regional Airport. One-way Prices start from CAD 585 including taxes and charges.

      • SEA05:00
        9h
        1 stop
        ALS15:00
        Wed, Dec 11|Seattle - Alamosa|United Airlines
        ALS15:30
        19h 28m
        1 stop
        SEA09:58
        Tue, Dec 17|Alamosa - Seattle|Key Lime Air
        CAD 595CAD 873
        32% OFF
        32% OFF
        CAD 873CAD 595

        Choose United Airlines flights from Seattle to Alamosa. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Wed, Dec 11-Tue, Dec 17, arriving at San Luis Valley Regional Airport. One-way Prices start from CAD 595 including taxes and charges.

      • SEA05:00
        9h
        1 stop
        ALS15:00
        Sat, Dec 7|Seattle - Alamosa|United Airlines
        ALS15:30
        19h 28m
        1 stop
        SEA09:58
        Fri, Dec 13|Alamosa - Seattle|Key Lime Air
        CAD 596CAD 873
        32% OFF
        32% OFF
        CAD 873CAD 596

        Choose United Airlines flights from Seattle to Alamosa. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Sat, Dec 7-Fri, Dec 13, arriving at San Luis Valley Regional Airport. One-way Prices start from CAD 596 including taxes and charges.

      • SEA05:00
        9h
        1 stop
        ALS15:00
        Fri, Dec 6|Seattle - Alamosa|United Airlines
        ALS15:30
        19h 28m
        1 stop
        SEA09:58
        Thu, Dec 12|Alamosa - Seattle|Key Lime Air
        CAD 603
        CAD 603

        Choose United Airlines flights from Seattle to Alamosa. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Fri, Dec 6-Thu, Dec 12, arriving at San Luis Valley Regional Airport. One-way Prices start from CAD 603 including taxes and charges.

      • SEA05:00
        9h
        1 stop
        ALS15:00
        Thu, Dec 5|Seattle - Alamosa|United Airlines
        ALS15:30
        19h 28m
        1 stop
        SEA09:58
        Wed, Dec 11|Alamosa - Seattle|Key Lime Air
        CAD 604
        CAD 604

        Choose United Airlines flights from Seattle to Alamosa. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Thu, Dec 5-Wed, Dec 11, arriving at San Luis Valley Regional Airport. One-way Prices start from CAD 604 including taxes and charges.

      • SEA16:23
        21h 37m
        2 stops
        ALS15:00
        Tue, Dec 3|Seattle - Alamosa|United Airlines
        ALS15:30
        19h 28m
        1 stop
        SEA09:58
        Mon, Dec 9|Alamosa - Seattle|Key Lime Air
        CAD 616
        CAD 616

        Choose United Airlines flights from Seattle to Alamosa. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Tue, Dec 3-Mon, Dec 9, arriving at San Luis Valley Regional Airport. One-way Prices start from CAD 616 including taxes and charges.

      • SEA05:00
        9h
        1 stop
        ALS15:00
        Mon, Dec 9|Seattle - Alamosa|United Airlines
        ALS15:30
        20h 16m
        2 stops
        SEA10:46
        Sun, Dec 15|Alamosa - Seattle|Key Lime Air
        CAD 617
        CAD 617

        Choose United Airlines flights from Seattle to Alamosa. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Mon, Dec 9-Sun, Dec 15, arriving at San Luis Valley Regional Airport. One-way Prices start from CAD 617 including taxes and charges.

      • SEA08:41
        5h 19m
        1 stop
        ALS15:00
        Sat, Nov 30|Seattle - Alamosa|Frontier Airlines
        ALS08:00
        6h 34m
        1 stop
        SEA13:34
        Fri, Dec 6|Alamosa - Seattle|Key Lime Air
        CAD 634
        CAD 634

        Choose Frontier Airlines flights from Seattle to Alamosa. The one-way connecting flight with Frontier Airlines departs from Seattle-Tacoma International Airport on Sat, Nov 30-Fri, Dec 6, arriving at San Luis Valley Regional Airport. One-way Prices start from CAD 634 including taxes and charges.

      • SEA06:00
        11h 25m
        2 stops
        ALS18:25
        Fri, Dec 6|Seattle - Alamosa|American Airlines
        ALS08:00
        10h 13m
        2 stops
        SEA17:13
        Thu, Dec 12|Alamosa - Seattle|Key Lime Air
        CAD 643
        CAD 643

        Choose American Airlines flights from Seattle to Alamosa. The one-way connecting flight with American Airlines departs from Seattle-Tacoma International Airport on Fri, Dec 6-Thu, Dec 12, arriving at San Luis Valley Regional Airport. One-way Prices start from CAD 643 including taxes and charges.

      • SEA05:00
        12h 25m
        1 stop
        ALS18:25
        Sun, Dec 8|Seattle - Alamosa|United Airlines
        ALS15:30
        6h 35m
        1 stop
        SEA21:05
        Sat, Dec 14|Alamosa - Seattle|Key Lime Air
        CAD 656
        CAD 656

        Choose United Airlines flights from Seattle to Alamosa. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Sun, Dec 8-Sat, Dec 14, arriving at San Luis Valley Regional Airport. One-way Prices start from CAD 656 including taxes and charges.

      • SEA13:00
        3h 5m
        Nonstop
        ALS14:00
        Sat, Dec 7|Seattle - Alamosa|United Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Seattle to Alamosa?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Alternative Routes for Seattle to Alamosa Flights

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Seattle to Alamosa.

  • Cheapest
    United Airlines
    SEA
    05:00
    9h 0m
    2 transfer
    ALS
    15:00
    Seattle-Tacoma International Airport - San Luis Valley Regional Airport
    Wed, Dec 4United Airlines
    CAD 585
  • United Airlines
    SEA
    05:00
    9h 0m
    2 transfer
    ALS
    15:00
    Seattle-Tacoma International Airport - San Luis Valley Regional Airport
    Wed, Dec 4United Airlines
    CAD 585
    Find More Flights

FAQ

  • When are flight tickets from Seattle (SEA) to Alamosa (ALS) the cheapest?

    Airlines adjust prices for flights from Seattle to Alamosa based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from Seattle (SEA) to Alamosa (ALS) cost?

    According to Trip.com's data, the lowest price is around CAD 824.

  • How many airports in Alamosa (ALS)?

    There are 1 airport(s) in Alamosa (ALS): San Luis Valley Regional Airport.

How to find a cheap flight from Seattle to Alamosa

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Alamosa. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information for Seattle to Alamosa Flights

Off-season travel monthMay
Peak season for travelJune
Flight distance1,742.39km
Popular airlineAmerican Airlines

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