What airlines fly to Houston?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Houston from Helena according to our data. Delta is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Houston. Keep in mind that there are 5 different airlines that fly to Houston on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Helena Airport to Houston?

Prices for flights from Helena Airport to Houston are refreshed on a daily basis.

How many operators does momondo search for flights from Helena Airport to Houston?

There are 2 operators available for flights from Helena Airport to Houston as of November 2025.

How old do you have to be to fly from Helena Airport to Houston?

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 Houston.

What documentation or ID do you need to fly to Houston?

The necessary travel and health documents for your Houston 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.

$367 Cheap Flights from Helena to Houston in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Helena to Houston

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:10 pm - 9:44 pmHLN-IAH

7h 34m1 stop

7:20 am - 12:27 pmIAH-HLN

6h 07m1 stop

$453Delta

Find Deal

Sat, Jan 10 - Sun, Jan 18

5:30 am - 6:47 pmHLN-IAH

12h 17m2 stops

7:20 am - 12:27 pmIAH-HLN

6h 07m1 stop

$458Delta

Find Deal

Sat, Jan 17 - Sun, Jan 25

12:50 pm - 9:38 pmHLN-IAH

7h 48m1 stop

7:50 am - 12:23 pmIAH-HLN

5h 33m1 stop

$477Delta

Find Deal

Wed, Apr 15 - Sat, Apr 18

12:50 pm - 11:31 pmHLN-IAH

9h 41m2 stops

7:50 am - 12:23 pmIAH-HLN

5h 33m1 stop

$502Delta

Find Deal

Wed, Apr 15 - Sat, Apr 18

5:59 pm - 4:55 pmHLN-IAH

21h 56m2 stops

7:00 am - 5:22 pmIAH-HLN

11h 22m1 stop

$542Alaska Airlines

Find Deal

Sat, Jan 10 - Sun, Jan 18

5:30 am - 12:04 pmHLN-IAH

5h 34m1 stop

11:00 am - 10:30 pmIAH-HLN

12h 30m2 stops

$543Delta

Find Deal

Thu, Nov 20 - Thu, Nov 27

5:30 am - 5:50 pmHLN-IAH

11h 20m2 stops

11:00 am - 10:30 pmIAH-HLN

12h 30m2 stops

$548Delta

Find Deal

Thu, Nov 20 - Thu, Nov 27

12:50 pm - 11:31 pmHLN-IAH

9h 41m2 stops

10:45 am - 10:34 pmIAH-HLN

12h 49m2 stops

$611Delta

Find Deal

Wed, Apr 15 - Sat, Apr 18

6:40 am - 3:13 pmHLN-IAH

7h 33m1 stop

8:30 am - 1:27 pmIAH-HLN

5h 57m1 stop

$618United Airlines

Find Deal

Thu, Nov 20 - Thu, Nov 27

6:13 pm - 10:03 amHLN-IAH

14h 50m2 stops

2:31 pm - 6:52 pmIAH-HLN

29h 21m3 stops

$1,170Alaska Airlines

Find Deal

Thu, Nov 20 - Thu, Nov 27

Delta flights from Helena to Houston

Our best Delta deals on Helena to Houston flight tickets

Delta

Jan 10

HLN1:10 pmHelena

7h 34m

1 stop

IAH9:44 pmHouston George Bush Intcntl

Jan 18

IAH7:20 amHouston George Bush Intcntl

6h 07m

1 stop

HLN12:27 pmHelena

$453

Find similar

Delta

Jan 17

HLN5:30 amHelena

12h 17m

2 stops

IAH6:47 pmHouston George Bush Intcntl

Jan 25

IAH7:20 amHouston George Bush Intcntl

6h 07m

1 stop

HLN12:27 pmHelena

$458

Find similar

Delta

Apr 15

HLN12:50 pmHelena

7h 48m

1 stop

IAH9:38 pmHouston George Bush Intcntl

Apr 18

IAH7:50 amHouston George Bush Intcntl

5h 33m

1 stop

HLN12:23 pmHelena

$477

Find similar

Alaska Airlines flights from Helena to Houston

Our best Alaska Airlines deals on Helena to Houston flight tickets

Alaska Airlines

Jan 10

HLN5:59 pmHelena

21h 56m

2 stops

IAH4:55 pmHouston George Bush Intcntl

Jan 18

IAH7:00 amHouston George Bush Intcntl

11h 22m

1 stop

HLN5:22 pmHelena

$542

Find similar

Alaska Airlines

Nov 20

HLN6:13 pmHelena

14h 50m

2 stops

IAH10:03 amHouston George Bush Intcntl

Nov 27

IAH2:31 pmHouston George Bush Intcntl

29h 21m

3 stops

HLN6:52 pmHelena

$1,170

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sat 1/10

1:10 pm-9:44 pm

1 stop7h 34m

Houston George Bush Intcntl

Sun 1/18

7:20 am-12:27 pm

1 stop6h 07m

$453

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sat 1/17

5:30 am-6:47 pm

2 stops12h 17m

Houston George Bush Intcntl

Sun 1/25

7:20 am-12:27 pm

1 stop6h 07m

$458

HelenaHouston

HLN - IAH

HLNIAH

Helena

Wed 4/15

12:50 pm-9:38 pm

1 stop7h 48m

Houston George Bush Intcntl

Sat 4/18

7:50 am-12:23 pm

1 stop5h 33m

$477

HelenaHouston

HLN - IAH

HLNIAH

Helena

Wed 4/15

12:50 pm-11:31 pm

2 stops9h 41m

Houston George Bush Intcntl

Sat 4/18

7:50 am-12:23 pm

1 stop5h 33m

$502

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sat 1/10

5:59 pm-4:55 pm

2 stops21h 56m

Houston George Bush Intcntl

Sun 1/18

7:00 am-5:22 pm

1 stop11h 22m

$542

HelenaHouston

HLN - IAH

HLNIAH

Helena

Thu 11/20

5:30 am-12:04 pm

1 stop5h 34m

Houston George Bush Intcntl

Thu 11/27

11:00 am-10:30 pm

2 stops12h 30m

$543

HelenaHouston

HLN - IAH

HLNIAH

Helena

Thu 11/20

5:30 am-5:50 pm

2 stops11h 20m

Houston George Bush Intcntl

Thu 11/27

11:00 am-10:30 pm

2 stops12h 30m

$548

HelenaHouston

HLN - IAH

HLNIAH

Helena

Wed 4/15

12:50 pm-11:31 pm

2 stops9h 41m

Houston George Bush Intcntl

Sat 4/18

10:45 am-10:34 pm

2 stops12h 49m

$611

HelenaHouston

HLN - IAH

HLNIAH

Helena

Thu 11/20

6:40 am-3:13 pm

1 stop7h 33m

Houston George Bush Intcntl

Thu 11/27

8:30 am-1:27 pm

1 stop5h 57m

$618

HelenaHouston

HLN - IAH

HLNIAH

Helena

Thu 11/20

6:13 pm-10:03 am

2 stops14h 50m

Houston George Bush Intcntl

Thu 11/27

2:31 pm-6:52 pm

3 stops29h 21m

$1,170

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Helena to Houston

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 Houston?

On average, the least expensive day to fly to Houston from Helena is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $492. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Monday is $877.

What is the cheapest time of day to depart on your flight to Houston?

Our data shows that the cheapest Helena to Houston flights are usually those with departure times in the afternoon. Our users have found flights to Houston in the afternoon for as low as $492. Try not to purchase tickets at noon because they tend to be around $668. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Helena to Houston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to Houston

Direct flights	None

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

Search flight deals

How far is Helena to Houston by plane?
A flight from Helena to Houston will travel around 1466.5 mi. Flights usually cover this in 5h 34m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Helena Airport to Houston?
Prices for flights from Helena Airport to Houston are refreshed on a daily basis.
How many operators does momondo search for flights from Helena Airport to Houston?
There are 2 operators available for flights from Helena Airport to Houston as of November 2025.
How old do you have to be to fly from Helena Airport to Houston?
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 Houston.
What documentation or ID do you need to fly to Houston?
The necessary travel and health documents for your Houston 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.

Best airlines flying from Helena to Houston

Compare and see reviews for airlines that fly from Helena to Houston with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $268	Free Cancellation	Rating 7.9 8,003 reviews		Search Delta flights
United Airlines	PriceFrom $328	Free Cancellation	Rating 7.4 9,002 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Helena to Houston?

Finding the right flight to Houston from Helena is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Houston quick and easy, saving you time and money.

Can I find flights from Helena to Houston with flexible booking policies on momondo?

Yes. All flights to Houston from Helena on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Helena to Houston?

momondo helps you find the best flight between Helena and Houston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Helena to Houston right now. Can momondo alert me if prices change?

Price alerts on flights to Houston from Helena 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.