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Helena

$289+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — HLN
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap 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 January 20, 2026.

This Delta deal was found by Cheapflights users on 1/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:00 am
SAT
-
HLN
1 stop5h 23m
Delta
Wed 9/25:45 am
HLN
-
SAT
1 stop6h 46m
Delta
Deal found 1/19$289
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Sat 8/297:30 am
SAT
-
HLN
2 stops9h 35m
United Airlines
Tue 9/12:30 pm
HLN
-
SAT
1 stop5h 37m
United Airlines
Deal found 1/19$294
This United Airlines deal was found by Cheapflights users on 1/19. 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 8/287:30 am
SAT
-
HLN
2 stops9h 35m
United Airlines
Tue 9/12:30 pm
HLN
-
SAT
1 stop5h 37m
United Airlines
Deal found 1/19$319
This United Airlines deal was found by Cheapflights users on 1/19. 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 8/287:30 am
SAT
-
HLN
2 stops9h 35m
United Airlines
Wed 9/22:30 pm
HLN
-
SAT
2 stops7h 03m
United Airlines
Deal found 1/19$325
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Sat 8/297:30 am
SAT
-
HLN
2 stops9h 35m
United Airlines
Mon 8/312:30 pm
HLN
-
SAT
1 stop5h 37m
United Airlines
Deal found 1/19$354
This Delta deal was found by Cheapflights users on 1/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/317:35 am
SAT
-
HLN
1 stop5h 52m
Delta
Sat 2/71:10 pm
HLN
-
SAT
1 stop7h 18m
Delta
Deal found 1/18$374
This United Airlines deal was found by Cheapflights users on 1/18. 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.
Sat 1/314:43 pm
SAT
-
HLN
1 stop5h 43m
United Airlines
Sat 2/72:27 pm
HLN
-
SAT
2 stops7h 30m
United Airlines
Deal found 1/18$379
This Delta deal was found by Cheapflights users on 1/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:05 pm
SAT
-
HLN
1 stop5h 29m
Delta
Mon 8/3112:50 pm
HLN
-
SAT
1 stop10h 54m
Delta
Deal found 1/19$468

Find 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 January 20, 2026.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$374
(Delta)
Provider with most accurate pricing for San Antonio-Helena flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Helena flights.
Search Deals
From San Antonio to Helena
Search Deals

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 January 20, 2026.
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

Sat 1/31

7:35 am-12:27 pm

1 stop5h 52m

Helena

Sat 2/7

1:10 pm-9:28 pm

1 stop7h 18m

$374

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

Sat 1/31

4:43 pm-9:26 pm

1 stop5h 43m

Helena

Sat 2/7

2:27 pm-10:57 pm

2 stops7h 30m

$379

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

Sun 2/15

9:10 am-1:40 pm

1 stop5h 30m

Helena

Sun 2/22

6:15 am-1:08 pm

1 stop5h 53m

$576

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

Sun 2/15

3:43 pm-3:59 pm

2 stops25h 16m

Helena

Sun 2/22

4:36 pm-5:10 pm

1 stop23h 34m

$669

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

  • Most accurate provider: When it comes to deals on San Antonio-Helena flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on San Antonio-Helena flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from San Antonio-Helena flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Helena flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Helena flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, August is the cheapest month in which you can book a flight from San Antonio to Helena (average of $149). Flying from San Antonio to Helena in January is currently the most expensive (average of $280). 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 5h 43m. Delta provides one of the quickest options available for as low as $379. 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, August is the cheapest month in which you can book a flight from San Antonio to Helena (average of $149). Flying from San Antonio to Helena in January is currently the most expensive (average of $280). 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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