Cheap flights from San Antonio to Helena from $295
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Helena departing on 8/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from San Antonio to Helena
Cheap round-trip flights
Cheap one-way flights
See travel insights to Helena from
How to get the cheapest flight ticket from San Antonio to Helena
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Helena?
The cheapest day to depart from San Antonio to Helena is on a Tuesday. Travelers who choose to depart for Helena on a Tuesday will often find tickets for as low as $525. The most expensive day to fly to Helena is Wednesday, with ticket prices averaging around $625.
What is the cheapest time of day to depart on your flight to Helena?
According to our data, the cheapest time of day to fly to Helena is in the afternoon. momondo users have found flights departing from San Antonio to Helena in the afternoon for as low as $538. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Helena is in the morning when prices are around $565.
What is the cheapest airline that flies from San Antonio to Helena?
Delta, United Airlines, and Alaska Airlines are the most popular carriers operating from San Antonio to Helena
What airlines fly to Helena?
United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Helena from San Antonio according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 6 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.
When to book flights from San Antonio to Helena
Cheap San Antonio to Helena (SAT to HLN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Antonio to Helena
How far is San Antonio to Helena by plane?
A flight from San Antonio to Helena will travel around 1391.2 mi. 9h 56m is a normal flight duration for this route.
When did momondo last update prices for flights from San Antonio Airport to Helena Airport?
Prices for flights from San Antonio Airport to Helena Airport are refreshed on a daily basis.
How many operators does momondo search for flights from San Antonio Airport to Helena Airport?
As of May 2025, there is 1 operator available to choose from for flights from San Antonio Airport to Helena Airport.
How old do you have to be to fly from San Antonio Airport to Helena Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Helena Airport.
What documentation or ID do you need to fly to Helena Airport?
The necessary travel and health documents for your Helena Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from San Antonio to Helena?
momondo data reveals that the most frequently booked airline on the route from San Antonio to Helena is United Airlines, representing 100% of all bookings.
Best airlines flying from San Antonio to Helena
Compare and see reviews for airlines that fly from San Antonio to Helena with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $388 | Free Cancellation | Rating 7.4 8,696 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from San Antonio to Helena?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Helena from San Antonio.
Can I find flights from San Antonio to Helena with flexible booking policies on momondo?
All flight searches from San Antonio to Helena on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from San Antonio to Helena?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Helena from San Antonio.
I’m not ready to book a flight from San Antonio to Helena right now. Can momondo alert me if prices change?
Price alerts on flights to Helena from San Antonio are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.