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Helena

$382+ Cheap flights from San Antonio to Helena (SAT - HLN)

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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — HLN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from San Antonio to Helena

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Helena (HLN). 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 September 16, 2025.

Round-trip from

$382
(Alaska Airlines)
From San Antonio to Helena
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Find flight deals from San Antonio to Helena

Cheapest flights from San Antonio to Helena
Explore the most affordable flight options available from San Antonio to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/176:40 amSAT - HLN
1 stop12h 01mAlaska Airlines
Mon 10/276:13 pmHLN - SAT
1 stop22h 42mAlaska Airlines
Deal found 9/16$382
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/177:56 pmSAT - HLN
1 stop22h 45mAlaska Airlines
Sun 10/266:13 pmHLN - SAT
1 stop28h 52mAlaska Airlines
Deal found 9/15$433
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/177:38 pmSAT - HLN
2 stops19h 29mUnited Airlines
Sun 10/262:22 pmHLN - SAT
1 stop7h 05mUnited Airlines
Deal found 9/15$553

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Helena 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 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from San Antonio to Helena that are best for you.

Fly from

San Antonio

Fly to

Helena

Route

Depart

Return

Price

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

Fri 10/17

7:56 pm-5:41 pm

1 stop22h 45m

Helena

Sun 10/26

6:13 pm-12:05 am

1 stop28h 52m

$433

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

Fri 10/17

6:40 am-5:41 pm

1 stop12h 01m

Helena

Mon 10/27

6:13 pm-2:53 pm

2 stops19h 40m

$488

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

Fri 10/17

7:38 pm-2:07 pm

2 stops19h 29m

Helena

Sun 10/26

2:22 pm-10:27 pm

1 stop7h 05m

$553

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

Sat 12/20

6:51 pm-5:55 pm

1 stop24h 04m

$408

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Best time to book a flight from San Antonio to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from San Antonio with our price prediction graph.
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.

Cheapflights Insights

Everything you need to know about your flight from San Antonio to Helena

What is the cheapest month to book a flight from San Antonio to Helena?

Currently, February is the cheapest month in which you can book a flight from San Antonio to Helena (average of $353). Flying from San Antonio to Helena in May is currently the most expensive (average of $517). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Helena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Antonio to Helena?

    A quick flight from San Antonio to Helena can take about 19h 29m. Alaska Airlines provides one of the quickest options available for as low as $553. The distance from San Antonio to Helena is about 1385 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from San Antonio to Helena that include hotel bookings?

    Yes. In addition to deals on San Antonio to Helena flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Helena?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Helena.

  • Can I find deals for business class flights from San Antonio to Helena?

    Yes. Cheapflights offers flight deals from San Antonio to Helena by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Antonio to Helena?

    Currently, February is the cheapest month in which you can book a flight from San Antonio to Helena (average of $353). Flying from San Antonio to Helena in May is currently the most expensive (average of $517). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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