Cheap flights from Helena to San Antonio from $340
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to San Antonio departing on 8/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Helena to San Antonio
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 San Antonio?
The cheapest day to depart on your flight to San Antonio is on a Thursday when prices can be found for as low as $456. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $810.
What is the cheapest time of day to depart on your flight to San Antonio?
According to our data, the cheapest time of day to fly to San Antonio is at noon. momondo users have found flights departing from Helena to San Antonio at noon for as low as $568. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the morning, with an average ticket price of $574. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
When to book flights from Helena to San Antonio
Cheap Helena to San Antonio (HLN to SAT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Helena to San Antonio
How far is Helena to San Antonio by plane?
The distance between Helena and San Antonio is about 1391.2 mi. Flights usually cover this in 5h 16m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Helena Airport to San Antonio Airport?
Prices for flights from Helena Airport to San Antonio Airport were last updated today.
How many operators does momondo search for flights from Helena Airport to San Antonio Airport?
The number of operators available for flights from Helena Airport to San Antonio Airport is 2 as of June 2025.
How old do you have to be to fly from Helena Airport to San Antonio Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The necessary travel and health documents for your San Antonio 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 Helena to San Antonio?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Helena to San Antonio is Delta (50% of total bookings). The next most popular airline is United Airlines (50%).
Best airlines flying from Helena to San Antonio
Compare and see reviews for airlines that fly from Helena to San Antonio with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $316 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $343 | Free Cancellation | Rating 7.4 8,810 reviews |
Traveling to a place near San Antonio?
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Why should I use momondo to find a flight deal from Helena to San Antonio?
It is quick and easy to find Helena to San Antonio flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Antonio that suits you.
Can I find flights from Helena to San Antonio with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Helena to San Antonio flights to just show those with flexible booking policies.
How can momondo help me find flights from Helena to San Antonio?
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 San Antonio from Helena.
I’m not ready to book a flight from Helena to San Antonio right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Helena to San Antonio flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.