Cheap Flights from Seattle (SEA) to Alamosa (ALS)

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Frequently asked questions

Is it cheaper to buy a plane ticket from Sea-Tac Airport to ALS last minute?
When it's time to book your flights, it's better to be prepared. While you could pick up a last-minute deal on a Sea-Tac Airport to San Luis Valley Regional Airport (ALS) flight, tickets usually don't get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days ahead. For international flights it's between three and four months.
What airports do you fly into for Alamosa from Seattle?
You have one option when jetting from Seattle to Alamosa — that's San Luis Valley Regional Airport (ALS). Disembark here and you'll be about 3 kilometers south of downtown Alamosa. Book your tickets and enjoy all that this thrilling city has got to offer.
Can I change the date of my flight from SEA to San Luis Valley Regional Airport (ALS)?
You can easily make changes to your Sea-Tac Airport to ALS journey via the Expedia Trips portal. But before amending dates or times, look over the rules and restrictions in your itinerary to see what the airline will allow you to do and what fees apply for changes. Some carriers charge a change fee per person, on top of any difference in prices. However, if you booked in the last 24 hours, you may be able to cancel for free and book new flights. You can also check out our Customer Service portal for further information and to chat with our Virtual Agent.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
San Luis Valley Regional
Distance
1731 km

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