$535+ Cheap flights from Ontario to Alamosa (ONT - 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ALS
Nov 12 — Nov 191
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Alamosa
Cheapest
Best
Last-minute
Cheapest flights from Ontario to AlamosaExplore the most affordable flight options available from Ontario to Alamosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2026.
Explore the most affordable flight options available from Ontario to Alamosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2026.
This Mytrip deal was found by Cheapflights users on 10/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:15 am -
1 stop10h 55m
Wed 10/282:00 pm -
1 stop10h 51m
Deal found 10/9![Multiple Airlines logo]()
$535
This Mytrip deal was found by Cheapflights users on 10/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:04 am -
2 stops26h 26m
Wed 10/282:00 pm -
1 stop10h 51m
Deal found 10/8![Multiple Airlines logo]()
$640
This Mytrip deal was found by Cheapflights users on 10/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:03 pm -
2 stops16h 27m
Tue 10/272:00 pm -
1 stop10h 51m
Deal found 10/9![Multiple Airlines logo]()
$641
Best flights from Ontario to AlamosaDiscover carefully curated flight deals from Ontario to Alamosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 13, 2026.
Discover carefully curated flight deals from Ontario to Alamosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 13, 2026.
This Mytrip deal was found by Cheapflights users on 10/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:15 am -
1 stop10h 55m
Wed 10/282:00 pm -
2 stops22h 16m
Deal found 10/9![Multiple Airlines logo]()
$590
This Mytrip deal was found by Cheapflights users on 10/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:04 am -
2 stops26h 26m
Wed 10/282:00 pm -
2 stops27h 21m
Deal found 10/8![Multiple Airlines logo]()
$671
This Mytrip deal was found by Cheapflights users on 10/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:03 pm -
2 stops16h 27m
Tue 10/272:00 pm -
2 stops20h 40m
Deal found 10/9![Multiple Airlines logo]()
$671
Last-minute flights from Ontario to AlamosaDiscover last-minute flight deals from Ontario to Alamosa. Data last updated October 13, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Alamosa. Data last updated October 13, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 10/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:04 am -
2 stops26h 26m
Wed 10/282:00 pm -
1 stop10h 51m
Deal found 10/8![Multiple Airlines logo]()
$640
This Mytrip deal was found by Cheapflights users on 10/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:03 pm -
2 stops16h 27m
Tue 10/272:00 pm -
1 stop10h 51m
Deal found 10/9![Multiple Airlines logo]()
$641
This Mytrip deal was found by Cheapflights users on 10/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:15 am -
1 stop10h 55m
Wed 10/282:00 pm -
1 stop10h 51m
Deal found 10/9![Multiple Airlines logo]()
$535
Find flight deals from Ontario to Alamosa
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Alamosa (ALS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 13, 2026.
Round-trip from | $535 (Mytrip) |
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Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Alamosa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 13, 2026.
Use the filters below to find and compare flights from Ontario to Alamosa that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
OntarioAlamosa
ONT Ontario - ALS Alamosa
ONTALS
Ontario
Mon 10/26
6:15 am-6:10 pm
1 stop10h 55m
Alamosa
Wed 10/28
2:00 pm-11:16 am
2 stops22h 16m
$590
OntarioAlamosa
ONT Ontario - ALS Alamosa
ONTALS
Ontario
Sat 10/24
10:04 am-1:30 pm
2 stops26h 26m
Alamosa
Wed 10/28
2:00 pm-4:21 pm
2 stops27h 21m
$671
OntarioAlamosa
ONT Ontario - ALS Alamosa
ONTALS
Ontario
Sun 10/25
8:03 pm-1:30 pm
2 stops16h 27m
Alamosa
Tue 10/27
2:00 pm-9:40 am
2 stops20h 40m
$671
Sorted by cheapest first
Best time to book a flight from Ontario to Alamosa
Have a flexible travel schedule? Discover the best time to fly to Alamosa from Ontario with our price prediction graph.
ONT-ALS
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.
Related info for your journey
Find useful and relevant information for your journey from Ontario to Alamosa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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