$379 Cheap Flights from Chicago (MDW) to Alamosa (ALS)

View $379 flight on Sun, Aug 17, 2025Opens in a new window

Popular airlines from Chicago Midway Airport (MDW) to Alamosa, CO (ALS-San Luis Valley Regional)

Cheap Flights from Chicago to Alamosa (MDW-ALS)

Prices were available within the past 7 days and start at $379 for one-way flights and $469 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Dec 2 - Tue, Dec 16
MDW
Chicago
ALS
Alamosa
$469 Roundtrip, found 6 days ago
$469
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Dec 2 from Chicago to Alamosa, returning Tue, Dec 16, priced at $469 found 6 days ago
Delta
Tue, Dec 16 - Sat, Jan 3
MDW
Chicago
ALS
Alamosa
$473 Roundtrip, found 6 days ago
$473
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Dec 16 from Chicago to Alamosa, returning Sat, Jan 3, priced at $473 found 6 days ago
Delta
Sat, Sep 20 - Fri, Oct 10
MDW
Chicago
ALS
Alamosa
$474 Roundtrip, found 6 days ago
$474
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Sep 20 from Chicago to Alamosa, returning Fri, Oct 10, priced at $474 found 6 days ago
Delta
Tue, Mar 3 - Mon, Mar 16
MDW
Chicago
ALS
Alamosa
$477 Roundtrip, found 6 days ago
$477
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Mar 3 from Chicago to Alamosa, returning Mon, Mar 16, priced at $477 found 6 days ago
Delta
Sat, Jan 10 - Sun, Jan 25
MDW
Chicago
ALS
Alamosa
$487 Roundtrip, found 6 days ago
$487
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Jan 10 from Chicago to Alamosa, returning Sun, Jan 25, priced at $487 found 6 days ago
Delta
Mon, Dec 15 - Sat, Jan 3
MDW
Chicago
ALS
Alamosa
$491 Roundtrip, found 6 days ago
$491
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Dec 15 from Chicago to Alamosa, returning Sat, Jan 3, priced at $491 found 6 days ago
Delta
Sun, Jan 18 - Sun, Feb 1
MDW
Chicago
ALS
Alamosa
$500 Roundtrip, found 6 days ago
$500
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Jan 18 from Chicago to Alamosa, returning Sun, Feb 1, priced at $500 found 6 days ago
Delta
Thu, Jan 29 - Wed, Feb 18
MDW
Chicago
ALS
Alamosa
$504 Roundtrip, found 6 days ago
$504
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Jan 29 from Chicago to Alamosa, returning Wed, Feb 18, priced at $504 found 6 days ago
Delta
Sat, Jan 24 - Sun, Feb 8
MDW
Chicago
ALS
Alamosa
$540 Roundtrip, found 6 days ago
$540
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Jan 24 from Chicago to Alamosa, returning Sun, Feb 8, priced at $540 found 6 days ago
Delta
Tue, Jan 27 - Sun, Feb 8
MDW
Chicago
ALS
Alamosa
$544 Roundtrip, found 6 days ago
$544
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Jan 27 from Chicago to Alamosa, returning Sun, Feb 8, priced at $544 found 6 days ago

Alternative airports near Alamosa

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Luis Valley Regional ALS. Cheapest and Closest option available. Average driving time to city center is 4 minutes. Flights from $775
ALS
San Luis Valley Regional
CheapestClosest
Average driving time to city center4 min
Flights from $775
Flights from Chicago (MDW) to Alamosa (ALS)
Origin airport
Midway Intl.
Destination airport
San Luis Valley Regional
Roundtrip price
$469
Distance
1007 mi

Chicago to Alamosa Flights

The cheapest times to fly from Chicago to Alamosa

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 Chicago to Alamosa are during the month of December. You can find some of the cheapest flights from Chicago to Alamosa with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Alamosa

Sunday is one of the best days to book for cheap flights from Chicago to Alamosa: 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 Chicago to Alamosa

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 Chicago to Alamosa in 2025. You can also book with separate airlines for your outbound and return journeys, from $379 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 Chicago to Alamosa 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 Chicago to Alamosa 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

How much does a flight from Midway Intl. Airport (MDW) to San Luis Valley Regional Airport (ALS) cost?
Get a cheap one-way flight from $379 or cheap return flight from $469 from Midway Intl. Airport (MDW) to San Luis Valley Regional Airport (ALS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Midway Intl. Airport (MDW) to San Luis Valley Regional Airport (ALS)?
Planning your getaway for December is a good way to save, as it's the cheapest month for flights between MDW and ALS. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Midway Intl. Airport (MDW) to San Luis Valley Regional Airport (ALS)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest MDW to ALS flight.
How many flights per day from Midway Intl. Airport (MDW) to San Luis Valley Regional Airport (ALS)?
You'll have to catch a flight with a layover if you're traveling from Midway Intl. Airport (MDW) to San Luis Valley Regional Airport (ALS). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from MDW to ALS?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can vary based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Midway Intl. Airport (MDW) to San Luis Valley Regional Airport (ALS)?
To avoid potential delays on the Midway Intl. Airport (MDW) to San Luis Valley Regional Airport (ALS) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Midway Intl. Airport (MDW) to San Luis Valley Regional Airport (ALS) last-minute?
Holding off until just before your trip to book a flight from MDW to ALS generally means paying more. While you may find some last-minute deals, there's no guarantee. Be flexible with your travel plans to boost your chances of scoring a bargain.
Is it cheaper to book a MDW to ALS flight and hotel package?
Compared with arranging hotels and flights separately, booking a MDW to ALS flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place will take the stress out of travel planning. Just secure your flights and choose from our wide range of stays, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Midway Intl. Airport (MDW) to San Luis Valley Regional Airport (ALS)?
If you booked your MDW to ALS flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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*Available to One Key members.