Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Helena to San Antonio from $354

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Helena to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 am - 1:05 pmHLN  Helena-SAT San Antonio
5h 05m1 stop Denver Intl
United Airlines Logo
8:55 am - 1:27 pmSAT  San Antonio-HLN Helena
5h 32m1 stop Denver Intl
$379United Airlines
Sat, Mar 27 - Sat, Apr 3
United Airlines Logo
7:00 am - 1:05 pmHLN  Helena-SAT San Antonio
5h 05m1 stop Denver Intl
United Airlines Logo
5:30 am - 1:27 pmSAT  San Antonio-HLN Helena
8h 57m2 stops Houston George Bush Intcntl Denver Intl
$384United Airlines
Sat, Mar 27 - Sat, Apr 3
Delta Logo
7:15 am - 1:40 pmHLN  Helena-SAT San Antonio
5h 25m1 stop Salt Lake City
Delta Logo
6:35 am - 12:28 pmSAT  San Antonio-HLN Helena
6h 53m1 stop Salt Lake City
$439Delta
Thu, Oct 29 - Mon, Nov 2
Delta Logo
1:08 pm - 12:13 amHLN  Helena-SAT San Antonio
10h 05m2 stops Salt Lake City Los Angeles
Delta Logo
6:35 am - 12:28 pmSAT  San Antonio-HLN Helena
6h 53m1 stop Salt Lake City
$444Delta
Thu, Oct 29 - Mon, Nov 2
United Airlines Logo
2:23 pm - 8:53 pmHLN  Helena-SAT San Antonio
5h 30m1 stop Denver Intl
United Airlines Logo
4:48 pm - 9:31 pmSAT  San Antonio-HLN Helena
5h 43m1 stop Denver Intl
$449United Airlines
Wed, Oct 28 - Sun, Nov 1
Delta Logo
1:08 pm - 12:33 amHLN  Helena-SAT San Antonio
10h 25m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
6:35 am - 12:28 pmSAT  San Antonio-HLN Helena
6h 53m1 stop Salt Lake City
$454Delta
Wed, Oct 28 - Sun, Nov 1
United Airlines Logo
2:23 pm - 10:51 pmHLN  Helena-SAT San Antonio
7h 28m2 stops Denver Intl Houston George Bush Intcntl
United Airlines Logo
5:30 am - 1:40 pmSAT  San Antonio-HLN Helena
9h 10m2 stops Houston George Bush Intcntl Denver Intl
$459United Airlines
Wed, Oct 28 - Sun, Nov 1
Alaska Airlines Logo
4:41 pm - 4:19 pmHLN  Helena-SAT San Antonio
22h 38m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:29 pm - 4:04 pmSAT  San Antonio-HLN Helena
23h 35m1 stop Seattle/Tacoma Intl
$783Alaska Airlines
Sat, Nov 14 - Wed, Nov 18
Alaska Airlines Logo
4:41 pm - 9:08 pmHLN  Helena-SAT San Antonio
27h 27m2 stops Seattle/Tacoma Intl Dallas/Fort Worth
Alaska Airlines Logo
5:00 am - 4:04 pmSAT  San Antonio-HLN Helena
12h 04m2 stops Dallas/Fort Worth Seattle/Tacoma Intl
$816Alaska Airlines
Sat, Nov 14 - Wed, Nov 18
Alaska Airlines Logo
4:41 pm - 4:19 pmHLN  Helena-SAT San Antonio
22h 38m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:00 am - 4:04 pmSAT  San Antonio-HLN Helena
12h 04m2 stops Dallas/Fort Worth Seattle/Tacoma Intl
$886Alaska Airlines
Sat, Nov 14 - Wed, Nov 18

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.
Search flight deals

United Airlines flights from Helena to San Antonio

Our best United Airlines deals on Helena to San Antonio flight tickets
United Airlines
Mar 27
HLN7:00 amHelena
5h 05m
1 stop
SAT1:05 pmSan Antonio
Apr 3
SAT8:55 amSan Antonio
5h 32m
1 stop
HLN1:27 pmHelena
$379
United Airlines
Mar 27
HLN7:00 amHelena
5h 05m
1 stop
SAT1:05 pmSan Antonio
Apr 3
SAT5:30 amSan Antonio
8h 57m
2 stops
HLN1:27 pmHelena
$384
United Airlines
Oct 28
HLN2:23 pmHelena
5h 30m
1 stop
SAT8:53 pmSan Antonio
Nov 1
SAT4:48 pmSan Antonio
5h 43m
1 stop
HLN9:31 pmHelena
$449

Delta flights from Helena to San Antonio

Our best Delta deals on Helena to San Antonio flight tickets
Delta
Oct 29
HLN7:15 amHelena
5h 25m
1 stop
SAT1:40 pmSan Antonio
Nov 2
SAT6:35 amSan Antonio
6h 53m
1 stop
HLN12:28 pmHelena
$439
Delta
Oct 29
HLN1:08 pmHelena
10h 05m
2 stops
SAT12:13 amSan Antonio
Nov 2
SAT6:35 amSan Antonio
6h 53m
1 stop
HLN12:28 pmHelena
$444
Delta
Oct 28
HLN1:08 pmHelena
10h 25m
2 stops
SAT12:33 amSan Antonio
Nov 1
SAT6:35 amSan Antonio
6h 53m
1 stop
HLN12:28 pmHelena
$454

momondo Fare Finder

 
Use the filters below to find and compare flights from Helena to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

HelenaSan Antonio

HLN Helena - SAT San Antonio

HLNSAT

Helena

Sat 3/27

7:00 am-1:05 pm

1 stop5h 05m

San Antonio

Sat 4/3

8:55 am-1:27 pm

1 stop5h 32m

$379

HelenaSan Antonio

HLN Helena - SAT San Antonio

HLNSAT

Helena

Sat 3/27

7:00 am-1:05 pm

1 stop5h 05m

San Antonio

Sat 4/3

5:30 am-1:27 pm

2 stops8h 57m

$384

HelenaSan Antonio

HLN Helena - SAT San Antonio

HLNSAT

Helena

Thu 10/29

7:15 am-1:40 pm

1 stop5h 25m

San Antonio

Mon 11/2

6:35 am-12:28 pm

1 stop6h 53m

$439

HelenaSan Antonio

HLN Helena - SAT San Antonio

HLNSAT

Helena

Thu 10/29

1:08 pm-12:13 am

2 stops10h 05m

San Antonio

Mon 11/2

6:35 am-12:28 pm

1 stop6h 53m

$444

HelenaSan Antonio

HLN Helena - SAT San Antonio

HLNSAT

Helena

Wed 10/28

2:23 pm-8:53 pm

1 stop5h 30m

San Antonio

Sun 11/1

4:48 pm-9:31 pm

1 stop5h 43m

$449

HelenaSan Antonio

HLN Helena - SAT San Antonio

HLNSAT

Helena

Wed 10/28

1:08 pm-12:33 am

2 stops10h 25m

San Antonio

Sun 11/1

6:35 am-12:28 pm

1 stop6h 53m

$454

HelenaSan Antonio

HLN Helena - SAT San Antonio

HLNSAT

Helena

Wed 10/28

2:23 pm-10:51 pm

2 stops7h 28m

San Antonio

Sun 11/1

5:30 am-1:40 pm

2 stops9h 10m

$459

HelenaSan Antonio

HLN Helena - SAT San Antonio

HLNSAT

Helena

Sat 11/14

4:41 pm-4:19 pm

1 stop22h 38m

San Antonio

Wed 11/18

5:29 pm-4:04 pm

1 stop23h 35m

$783

HelenaSan Antonio

HLN Helena - SAT San Antonio

HLNSAT

Helena

Sat 11/14

4:41 pm-9:08 pm

2 stops27h 27m

San Antonio

Wed 11/18

5:00 am-4:04 pm

2 stops12h 04m

$816

HelenaSan Antonio

HLN Helena - SAT San Antonio

HLNSAT

Helena

Sat 11/14

4:41 pm-4:19 pm

1 stop22h 38m

San Antonio

Wed 11/18

5:00 am-4:04 pm

2 stops12h 04m

$886

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Antonio from

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 month to fly to San Antonio?

If you aren’t able to travel during the month of October, then book flights to San Antonio from Helena during July instead. Flights to San Antonio in July, while not as cheap as those in October, still average around $0.

When to book flights from Helena to San Antonio

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

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

Best Price Found

$354

Fastest flight time

5h 05m

Direct flights

None
The best one-way flight to San Antonio from Helena in the past 72 hours is $354. The best round-trip flight deal from Helena to San Antonio found on momondo in the last 72 hours is $379.
The fastest flight from Helena to San Antonio takes 5h 05m
There are no direct flights from Helena to San Antonio. There are no popular flight routes from Helena to San Antonio.
Search flight deals

Frequently asked questions about flying 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 05m, 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?

  • 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?

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
DeltaPriceFrom $288Free CancellationRating
7.8
8,650 reviews
Search Delta flights
United AirlinesPriceFrom $373Free CancellationRating
7.4
10,362 reviews
Search United Airlines flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Pleasanton
Boerne
Schertz

Why use momondo?

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.

An easier way to manage your San Antonio trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 11/14
Sat 11/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States