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Helena

$362+ 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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — HLN
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 December 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/3. 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 12/198:45 amSAT - HLN
1 stop6h 00mUnited Airlines
Tue 12/232:26 pmHLN - SAT
1 stop5h 34mUnited Airlines
Deal found 12/3$577
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Wed 12/248:45 amSAT - HLN
1 stop6h 00mUnited Airlines
Tue 12/302:26 pmHLN - SAT
1 stop8h 21mUnited Airlines
Deal found 12/3$677
This Delta deal was found by Cheapflights users on 12/3. 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.
Wed 12/2411:16 amSAT - HLN
2 stops12h 14mDelta
Tue 12/305:30 amHLN - SAT
2 stops8h 36mDelta
Deal found 12/3$693
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Wed 12/248:45 amSAT - HLN
1 stop6h 00mUnited Airlines
Sun 12/286:10 amHLN - SAT
1 stop13h 50mUnited Airlines
Deal found 12/3$753

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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$362
(Alaska Airlines)
Provider with most accurate pricing for San Antonio-Helena flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Helena flights.
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From San Antonio to Helena
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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 December 4, 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

Tue 1/27

6:46 pm-6:11 pm

1 stop24h 25m

Helena

Sat 1/31

6:48 pm-5:45 pm

1 stop21h 57m

$362

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

Sat 2/14

6:06 pm-3:59 pm

1 stop22h 53m

Helena

Wed 2/18

4:36 pm-5:14 pm

1 stop23h 38m

$372

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

Sat 5/30

8:00 am-12:23 pm

1 stop5h 23m

Helena

Sat 6/6

5:45 am-1:31 pm

1 stop6h 46m

$497

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

Sat 2/14

2:24 pm-1:40 pm

3 stops24h 16m

Helena

Wed 2/18

6:15 am-8:56 pm

1 stop13h 41m

$519

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

Wed 12/24

11:16 am-10:30 pm

2 stops12h 14m

Helena

Tue 12/30

5:30 am-3:06 pm

2 stops8h 36m

$693

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

Fri 12/19

8:45 am-1:45 pm

1 stop6h 00m

Helena

Tue 12/23

2:26 pm-1:11 pm

2 stops21h 45m

$713

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

Wed 12/24

8:45 am-1:45 pm

1 stop6h 00m

Helena

Sun 12/28

6:10 am-9:00 pm

1 stop13h 50m

$753

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Compare providers for flights from San Antonio to Helena

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Helena in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Antonio-Helena flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Antonio-Helena flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 March is currently the most expensive (average of $325). 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 23m. Alaska Airlines provides one of the quickest options available for as low as $497. 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 March is currently the most expensive (average of $325). 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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