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 34% 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 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.

$362 Cheap Flights from San Antonio to Helena in 2025/26

1 adult

0 bags

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Find the cheapest flights from San Antonio to Helena

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6:46 pm - 6:11 pm

SAT

HLN

24h 25m1 stop

6:48 pm - 5:45 pm

HLN

SAT

21h 57m1 stop

$362Alaska Airlines

mar., ene. 27 - sáb., ene. 31

6:06 pm - 3:59 pm

SAT

HLN

22h 53m1 stop

4:36 pm - 5:14 pm

HLN

SAT

23h 38m1 stop

$372Alaska Airlines

sáb., feb. 14 - mié., feb. 18

4:40 pm - 10:29 pm

SAT

HLN

30h 49m2 stops

1:10 pm - 9:28 pm

HLN

SAT

7h 18m1 stop

$466Delta

mar., ene. 27 - sáb., ene. 31

7:00 am - 10:29 pm

SAT

HLN

16h 29m2 stops

1:10 pm - 12:38 am

HLN

SAT

10h 28m2 stops

$471Delta

mar., ene. 27 - sáb., ene. 31

6:14 am - 6:11 pm

SAT

HLN

12h 57m2 stops

6:48 pm - 5:45 pm

HLN

SAT

21h 57m1 stop

$503Alaska Airlines

mar., ene. 27 - sáb., ene. 31

2:24 pm - 1:40 pm

SAT

HLN

24h 16m3 stops

6:15 am - 8:56 pm

HLN

SAT

13h 41m1 stop

$519United Airlines

sáb., feb. 14 - mié., feb. 18

7:00 am - 6:11 pm

SAT

HLN

12h 11m2 stops

6:48 pm - 11:09 pm

HLN

SAT

27h 21m2 stops

$528Alaska Airlines

mar., ene. 27 - sáb., ene. 31

2:24 pm - 1:40 pm

SAT

HLN

24h 16m3 stops

2:25 pm - 10:47 am

HLN

SAT

19h 22m2 stops

$542United Airlines

sáb., feb. 14 - mié., feb. 18

8:45 am - 1:45 pm

SAT

HLN

6h 00m1 stop

2:26 pm - 9:00 pm

HLN

SAT

5h 34m1 stop

$577United Airlines

vie., dic. 19 - mar., dic. 23

8:45 am - 1:45 pm

SAT

HLN

6h 00m1 stop

2:26 pm - 11:47 pm

HLN

SAT

8h 21m1 stop

$677United Airlines

mié., dic. 24 - mar., dic. 30

Alaska Airlines flights from San Antonio to Helena

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

Alaska Airlines

Jan 27

SAT6:46 pmSan Antonio

24h 25m

1 stop

HLN6:11 pmHelena

Jan 31

HLN6:48 pmHelena

21h 57m

1 stop

SAT5:45 pmSan Antonio

$362

Find similar

Alaska Airlines

Feb 14

SAT6:06 pmSan Antonio

22h 53m

1 stop

HLN3:59 pmHelena

Feb 18

HLN4:36 pmHelena

23h 38m

1 stop

SAT5:14 pmSan Antonio

$372

Find similar

Alaska Airlines

Jan 27

SAT6:14 amSan Antonio

12h 57m

2 stops

HLN6:11 pmHelena

Jan 31

HLN6:48 pmHelena

21h 57m

1 stop

SAT5:45 pmSan Antonio

$503

Find similar

Delta flights from San Antonio to Helena

Our best Delta deals on San Antonio to Helena flight tickets

Delta

Jan 27

SAT4:40 pmSan Antonio

30h 49m

2 stops

HLN10:29 pmHelena

Jan 31

HLN1:10 pmHelena

7h 18m

1 stop

SAT9:28 pmSan Antonio

$466

Find similar

Delta

Jan 27

SAT7:00 amSan Antonio

16h 29m

2 stops

HLN10:29 pmHelena

Jan 31

HLN1:10 pmHelena

10h 28m

2 stops

SAT12:38 amSan Antonio

$471

Find similar

Delta

Dec 24

SAT11:16 amSan Antonio

12h 14m

2 stops

HLN10:30 pmHelena

Dec 30

HLN5:30 amHelena

8h 36m

2 stops

SAT3:06 pmSan Antonio

$693

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

mar. 1/27

6:46 pm-6:11 pm

1 stop24h 25m

Helena

sáb. 1/31

6:48 pm-5:45 pm

1 stop21h 57m

$362

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

sáb. 2/14

6:06 pm-3:59 pm

1 stop22h 53m

Helena

mié. 2/18

4:36 pm-5:14 pm

1 stop23h 38m

$372

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

mar. 1/27

4:40 pm-10:29 pm

2 stops30h 49m

Helena

sáb. 1/31

1:10 pm-9:28 pm

1 stop7h 18m

$466

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

mar. 1/27

7:00 am-10:29 pm

2 stops16h 29m

Helena

sáb. 1/31

1:10 pm-12:38 am

2 stops10h 28m

$471

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

mar. 1/27

6:14 am-6:11 pm

2 stops12h 57m

Helena

sáb. 1/31

6:48 pm-5:45 pm

1 stop21h 57m

$503

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

sáb. 2/14

2:24 pm-1:40 pm

3 stops24h 16m

Helena

mié. 2/18

6:15 am-8:56 pm

1 stop13h 41m

$519

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

mar. 1/27

7:00 am-6:11 pm

2 stops12h 11m

Helena

sáb. 1/31

6:48 pm-11:09 pm

2 stops27h 21m

$528

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

sáb. 2/14

2:24 pm-1:40 pm

3 stops24h 16m

Helena

mié. 2/18

2:25 pm-10:47 am

2 stops19h 22m

$542

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

vie. 12/19

8:45 am-1:45 pm

1 stop6h 00m

Helena

mar. 12/23

2:26 pm-9:00 pm

1 stop5h 34m

$577

San AntonioHelena

SAT - HLN

SATHLN

San Antonio

mié. 12/24

8:45 am-1:45 pm

1 stop6h 00m

Helena

mar. 12/30

2:26 pm-11:47 pm

1 stop8h 21m

$677

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

Prices

Airlines

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.

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	6h 00m
Direct flights	None

The fastest flight from San Antonio to Helena takes 6h 00m

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

Search flight deals

How far is San Antonio to Helena by plane?
A flight from San Antonio to Helena will travel around 1391.2 mi. 6h 00m 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.