$221 Cheap Flights from Alamosa (ALS) to San Antonio (SAT)

Popular airlines from Alamosa, CO (ALS-San Luis Valley Regional) to San Antonio International Airport (SAT)

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Cheap Flights from Alamosa to San Antonio (ALS-SAT)

Prices were available within the past 7 days and start at $221 for one-way flights and $446 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Flights from Alamosa (ALS) to San Antonio (SAT)
Origin airport
San Luis Valley Regional
Destination airport
San Antonio Intl.
Roundtrip price
$446
Distance
692 mi

Alamosa to San Antonio Flights

The cheapest times to fly from Alamosa to San Antonio

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Alamosa to San Antonio are during the month of July. You can find some of the cheapest flights from Alamosa to San Antonio with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Alamosa to San Antonio

Sunday is one of the best days to book for cheap flights from Alamosa to San Antonio: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Alamosa to San Antonio

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Alamosa to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $221 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Alamosa to San Antonio flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Alamosa to San Antonio airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

Is it cheaper to buy a plane ticket from ALS to San Antonio Airport last minute?
Being spontaneous is a wonderful way to see the world, but it’s not necessarily the wisest method to nab a cheap plane ticket. Think about booking your San Luis Valley Regional Airport (ALS) to San Antonio Airport trip in advance rather than waiting until the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave your spontaneity for when you reach San Antonio Airport!
What airports do you fly into for San Antonio from Alamosa?
Fly from Alamosa to San Antonio and arrive at San Antonio Intl. Airport (SAT). The terminal is about 7 mi north of downtown San Antonio. Kick off your city escape with an excursion to San Antonio Zoo and Aquarium and Frost Bank Center, which are two of San Antonio’s top sights.
Can I change the date of my flight from San Luis Valley Regional Airport to San Antonio Intl. Airport (SAT)?
Plans can change, so Expedia is here to help make things easy. First, find your ALS to San Antonio Intl. Airport (SAT) itinerary through the Expedia Trips portal and check the fare rules and conditions about change fees or other charges. If you booked your plane ticket in the last 24 hours, some airlines will let you cancel without charge and book new flights. If you bought your fare more than 24 hours ago, get in touch with us via our Customer Service portal so we can assist you further.

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