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$467+ Cheap flights from Helena to San Antonio (HLN - SAT)

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.
HLN — SAT
אוק' 14 — אוק' 211
ג' 10/14
ג' 10/21
1 adult, Economy
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Cheap flight deals from Helena to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to San Antonio (SAT). 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 ספטמבר 14, 2025.

Round-trip from

$467
(United Airlines)
From Helena to San Antonio
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Cheapest flights from Helena to San Antonio
Explore the most affordable flight options available from Helena to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on ספטמבר 14, 2025.

This United Airlines deal was found by Cheapflights users on 9/12. 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.
ו' 10/175:18 pmHLN - SAT
1 stop18h 27mUnited Airlines
ג' 10/214:39 pmSAT - HLN
1 stop5h 21mUnited Airlines
Deal found 9/12$467
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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.
ה' 10/166:18 pmHLN - SAT
1 stop28h 46mAlaska Airlines
ב' 10/207:56 pmSAT - HLN
1 stop22h 45mAlaska Airlines
Deal found 9/12$533
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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.
ו' 10/176:18 pmHLN - SAT
2 stops17h 34mAlaska Airlines
ג' 10/219:06 amSAT - HLN
2 stops33h 35mAlaska Airlines
Deal found 9/13$545
This United Airlines deal was found by Cheapflights users on 9/12. 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.
ה' 10/162:44 pmHLN - SAT
1 stop5h 11mUnited Airlines
ב' 10/207:38 pmSAT - HLN
2 stops19h 31mUnited Airlines
Deal found 9/12$590

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helena to San Antonio 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 ספטמבר 14, 2025.
Use the filters below to find and compare flights from Helena to San Antonio that are best for you.

Fly from

Helena

Fly to

San Antonio

Route

Depart

Return

Price

HelenaSan Antonio

HLN - SAT

HLNSAT

Helena

ו' 10/17

5:18 pm-12:45 pm

1 stop18h 27m

San Antonio

ג' 10/21

4:39 pm-9:00 pm

1 stop5h 21m

$467

HelenaSan Antonio

HLN - SAT

HLNSAT

Helena

ה' 10/16

6:18 pm-12:04 am

1 stop28h 46m

San Antonio

ב' 10/20

7:56 pm-5:41 pm

1 stop22h 45m

$533

HelenaSan Antonio

HLN - SAT

HLNSAT

Helena

ו' 10/17

6:18 pm-12:52 pm

2 stops17h 34m

San Antonio

ג' 10/21

9:06 am-5:41 pm

2 stops33h 35m

$545

HelenaSan Antonio

HLN - SAT

HLNSAT

Helena

ה' 10/16

2:44 pm-8:55 pm

1 stop5h 11m

San Antonio

ב' 10/20

7:38 pm-2:09 pm

2 stops19h 31m

$590

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Best time to book a flight from Helena to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Helena 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 Helena to San Antonio

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

Currently, August is the cheapest month in which you can book a flight from Helena to San Antonio (average of $295). Flying from Helena to San Antonio in March is currently the most expensive (average of $376). 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.

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated ספטמבר 14, 2025.
Peruse reviews from past customers who have flown with Delta and United Airlines from Helena to San Antonio to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,959 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,959 reviews
Delta
8.0
Very good
7,959 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,934 reviews
Delta
8.0
Very good
7,959 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Helena to San Antonio. 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 Helena to San Antonio?

    Airlines like United Airlines fly from Helena to San Antonio in about 18h 27m. The time it takes to get you to your destination can typically vary by up to . The distance between Helena and San Antonio is about 1385 mi.

  • What are the cheapest airlines flying from Helena to San Antonio round-trip?

    Our cheapest airline available from Helena to San Antonio is Delta. Our recent data shows that you can find tickets from as low as $282 on this airline. An additional option worth looking into is United Airlines, starting at $340.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Helena to San Antonio 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 Helena to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Helena to San Antonio (average of $295). Flying from Helena to San Antonio in March is currently the most expensive (average of $376). 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

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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Top 2 airlines flying from Helena to San Antonio

Discover the top 2 airlines that operate flights from Helena to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated ספטמבר 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$282Average$456FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$340Average$505FlexibilityNo cancel feeOn-time69%

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