$455+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Antonio to Helena with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 June 12, 2025.
Round-trip from | $455 (Delta) |
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Find flight deals from San Antonio to Helena
Cheapest flights from San Antonio to HelenaExplore 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 June 12, 2025.
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 June 12, 2025.
This Delta deal was found by Cheapflights users on 6/11. 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.
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
This United Airlines deal was found by Cheapflights users on 6/11. 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.
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 June 12, 2025.
Use the filters below to find and compare flights from San Antonio to Helena that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San AntonioHelena
SAT - HLN
SATHLN
San Antonio
Tue 9/2
7:30 am-12:20 pm
1 stop5h 50m
Helena
Sun 9/7
5:50 am-2:55 pm
2 stops8h 05m
San AntonioHelena
SAT - HLN
SATHLN
San Antonio
Tue 9/2
6:30 am-3:21 pm
1 stop9h 51m
Helena
Sun 9/7
4:02 pm-6:46 pm
1 stop25h 44m
San AntonioHelena
SAT - HLN
SATHLN
San Antonio
Thu 7/17
5:15 am-4:55 pm
1 stop12h 40m
Helena
Mon 7/21
5:39 pm-8:57 pm
1 stop26h 18m
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.
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 July is currently the most expensive (average of $555). 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 Helena by month
Plan your trip to Helena by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Helena ranges from 0.3 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Helena when rainfall is around 0.3 in.
Temperature in Helena by month
Plan your trip to Helena by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Helena, 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 69.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 21.2 F).
Reviews of airlines servicing Helena
Get insights into the airlines that provide service to Helena. 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 Helena. Reviews last updated June 12, 2025.
Food
Entertainment
Boarding
Overall
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Food
Entertainment
Boarding
Overall
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Food
Entertainment
Boarding
Overall
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Food
Entertainment
Boarding
Overall
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO