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$422+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — SAT
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
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 April 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$422
(Alaska Airlines)
Provider with most accurate pricing for Helena-San Antonio flight deals.
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Provider most trusted by Cheapflights users for Helena-San Antonio flights.
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From Helena to San Antonio
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Find flight deals from Helena to San Antonio

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 April 11, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/10. 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.
Tue 5/67:29 pmHLN - SAT
1 stop27h 30mAlaska Airlines
Sat 5/106:35 amSAT - HLN
1 stop13h 14mAlaska Airlines
Deal found 4/10$422
This Delta deal was found by Cheapflights users on 4/10. 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.
Mon 5/55:45 amHLN - SAT
1 stop6h 32mDelta
Sat 5/102:38 pmSAT - HLN
2 stops8h 38mDelta
Deal found 4/10$453
This United Airlines deal was found by Cheapflights users on 4/10. 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.
Tue 5/62:16 pmHLN - SAT
1 stop5h 51mUnited Airlines
Fri 5/94:53 pmSAT - HLN
1 stop21h 38mUnited Airlines
Deal found 4/10$481

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 April 11, 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

Tue 5/6

7:29 pm-11:59 pm

1 stop27h 30m

San Antonio

Sat 5/10

6:35 am-6:49 pm

1 stop13h 14m

$422

HelenaSan Antonio

HLN - SAT

HLNSAT

Helena

Mon 5/5

5:45 am-1:17 pm

1 stop6h 32m

San Antonio

Sat 5/10

2:38 pm-10:16 pm

2 stops8h 38m

$453

HelenaSan Antonio

HLN - SAT

HLNSAT

Helena

Tue 5/6

2:16 pm-9:07 pm

1 stop5h 51m

San Antonio

Fri 5/9

4:53 pm-1:31 pm

1 stop21h 38m

$481

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Compare providers for flights from Helena to San Antonio

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 Helena to San Antonio in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 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 Helena-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helena-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helena-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helena-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub 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 Helena-San Antonio 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 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.

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 April 11, 2025.
Alaska Airlines
8.0
Very good
9,851 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,851 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,911 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,636 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

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

    Our cheapest airline available from Helena to San Antonio is Alaska Airlines. Our recent data shows that you can find tickets from as low as $422 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $453 and $481 round-trip.

  • 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 Helena?

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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 April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$282Average$574FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$414Average$567FlexibilityNo cancel feeOn-time69%

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