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 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.

$374 Cheap Flights from San Antonio to Helena in 2026

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Find the cheapest flights from San Antonio to Helena

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:35 am - 12:27 pm

SAT

HLN

5h 52m

1 stop

1:10 pm - 9:28 pm

HLN

SAT

7h 18m

1 stop

$374Delta

Sat, Jan 31 - Sat, Feb 7

4:43 pm - 9:26 pm

SAT

HLN

5h 43m

1 stop

2:27 pm - 10:57 pm

HLN

SAT

7h 30m

2 stops

$379United Airlines

Sat, Jan 31 - Sat, Feb 7

11:43 am - 9:26 pm

SAT

HLN

10h 43m

2 stops

2:27 pm - 10:57 pm

HLN

SAT

7h 30m

2 stops

$385United Airlines

Sat, Jan 31 - Sat, Feb 7

6:05 pm - 10:34 pm

SAT

HLN

5h 29m

1 stop

5:45 am - 1:31 pm

HLN

SAT

6h 46m

1 stop

$553Delta

Sun, Jul 5 - Sat, Jul 11

9:10 am - 1:40 pm

SAT

HLN

5h 30m

1 stop

6:15 am - 1:08 pm

HLN

SAT

5h 53m

1 stop

$576United Airlines

Sun, Feb 15 - Sun, Feb 22

3:43 pm - 3:59 pm

SAT

HLN

25h 16m

2 stops

4:36 pm - 5:10 pm

HLN

SAT

23h 34m

1 stop

$669Alaska Airlines

Sun, Feb 15 - Sun, Feb 22

3:43 pm - 3:59 pm

SAT

HLN

25h 16m

2 stops

4:36 pm - 11:40 pm

HLN

SAT

30h 04m

2 stops

$796Alaska Airlines

Sun, Feb 15 - Sun, Feb 22

Delta flights from San Antonio to Helena

Our best Delta deals on San Antonio to Helena flight tickets

Delta

Jan 31

SAT7:35 amSan Antonio

5h 52m

1 stop

HLN12:27 pmHelena

Feb 7

HLN1:10 pmHelena

7h 18m

1 stop

SAT9:28 pmSan Antonio

$374

Delta

Jul 5

SAT6:05 pmSan Antonio

5h 29m

1 stop

HLN10:34 pmHelena

Jul 11

HLN5:45 amHelena

6h 46m

1 stop

SAT1:31 pmSan Antonio

$553

United Airlines flights from San Antonio to Helena

Our best United Airlines deals on San Antonio to Helena flight tickets

United Airlines

Jan 31

SAT4:43 pmSan Antonio

5h 43m

1 stop

HLN9:26 pmHelena

Feb 7

HLN2:27 pmHelena

7h 30m

2 stops

SAT10:57 pmSan Antonio

$379

United Airlines

Jan 31

SAT11:43 amSan Antonio

10h 43m

2 stops

HLN9:26 pmHelena

Feb 7

HLN2:27 pmHelena

7h 30m

2 stops

SAT10:57 pmSan Antonio

$385

United Airlines

Feb 15

SAT9:10 amSan Antonio

5h 30m

1 stop

HLN1:40 pmHelena

Feb 22

HLN6:15 amHelena

5h 53m

1 stop

SAT1:08 pmSan Antonio

$576

Fly from

Fly to

Route

Depart

Return

Price

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

Sat 1/31

7:35 am-12:27 pm

1 stop5h 52m

Helena

Sat 2/7

1:10 pm-9:28 pm

1 stop7h 18m

$374

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

Sat 1/31

4:43 pm-9:26 pm

1 stop5h 43m

Helena

Sat 2/7

2:27 pm-10:57 pm

2 stops7h 30m

$379

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

Sat 1/31

11:43 am-9:26 pm

2 stops10h 43m

Helena

Sat 2/7

2:27 pm-10:57 pm

2 stops7h 30m

$385

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

Sun 7/5

6:05 pm-10:34 pm

1 stop5h 29m

Helena

Sat 7/11

5:45 am-1:31 pm

1 stop6h 46m

$553

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

Sun 2/15

9:10 am-1:40 pm

1 stop5h 30m

Helena

Sun 2/22

6:15 am-1:08 pm

1 stop5h 53m

$576

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

Sun 2/15

3:43 pm-3:59 pm

2 stops25h 16m

Helena

Sun 2/22

4:36 pm-5:10 pm

1 stop23h 34m

$669

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

Sun 2/15

3:43 pm-3:59 pm

2 stops25h 16m

Helena

Sun 2/22

4:36 pm-11:40 pm

2 stops30h 04m

$796

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 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 35% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 5 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

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Helena according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

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

Fastest flight time	5h 29m
Direct flights	None

The fastest flight from San Antonio to Helena takes 5h 29m

There are no direct flights from San Antonio to Helena. There are no popular flight routes from San Antonio to Helena.

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How far is San Antonio to Helena by plane?
A flight from San Antonio to Helena will travel around 1391.2 mi. 5h 29m 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 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.

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.