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.

What is the cheapest airline that flies from Helena to Houston?

Delta is the most popular carrier operating from Helena to Houston

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 December 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.

$170 Cheap Flights from Helena to Houston in 2025/26

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Find the cheapest flights from Helena to Houston

Round-trip

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Cheap round-trip flights

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5:30 am - 11:50 am

HLN

IAH

5h 20m1 stop

7:45 am - 12:19 pm

IAH

HLN

5h 34m1 stop

$339Delta

Wed, Mar 18 - Tue, Mar 24

12:59 pm - 11:49 pm

HLN

IAH

9h 50m2 stops

7:45 am - 12:19 pm

IAH

HLN

5h 34m1 stop

$344Delta

Wed, Mar 18 - Tue, Mar 24

2:27 pm - 11:59 pm

HLN

IAH

8h 32m1 stop

4:42 pm - 9:26 pm

IAH

HLN

5h 44m1 stop

$457United Airlines

Fri, Jan 30 - Tue, Feb 3

6:48 pm - 11:54 pm

HLN

IAH

28h 06m1 stop

7:00 am - 6:11 pm

IAH

HLN

12h 11m1 stop

$473Alaska Airlines

Fri, Jan 30 - Tue, Feb 3

6:48 pm - 11:54 pm

HLN

IAH

28h 06m1 stop

5:55 pm - 6:11 pm

IAH

HLN

25h 16m2 stops

$478Alaska Airlines

Fri, Jan 30 - Tue, Feb 3

6:22 pm - 1:27 pm

HLN

IAH

18h 05m2 stops

2:27 pm - 5:45 pm

IAH

HLN

28h 18m2 stops

$542Alaska Airlines

Wed, Mar 18 - Tue, Mar 24

6:22 pm - 1:27 pm

HLN

IAH

18h 05m2 stops

2:27 pm - 5:45 pm

IAH

HLN

28h 18m2 stops

$571Alaska Airlines

Wed, Mar 18 - Tue, Mar 24

6:48 pm - 5:05 pm

HLN

IAH

21h 17m2 stops

6:00 am - 6:11 pm

IAH

HLN

13h 11m2 stops

$580Alaska Airlines

Fri, Jan 30 - Tue, Feb 3

6:22 pm - 9:43 am

HLN

HOU

14h 21m2 stops

12:18 pm - 5:45 pm

HOU

HLN

30h 27m2 stops

$661Alaska Airlines

Wed, Mar 18 - Tue, Mar 24

6:15 am - 7:06 pm

HLN

IAH

11h 51m2 stops

8:23 am - 9:26 pm

IAH

HLN

14h 03m2 stops

$678United Airlines

Fri, Jan 30 - Tue, Feb 3

Alaska Airlines flights from Helena to Houston

Our best Alaska Airlines deals on Helena to Houston flight tickets

Alaska Airlines

Jan 30

HLN6:48 pmHelena

28h 06m

1 stop

IAH11:54 pmHouston George Bush Intcntl

Feb 3

IAH7:00 amHouston George Bush Intcntl

12h 11m

1 stop

HLN6:11 pmHelena

$473

Find similar

Alaska Airlines

Jan 30

HLN6:48 pmHelena

28h 06m

1 stop

IAH11:54 pmHouston George Bush Intcntl

Feb 3

IAH5:55 pmHouston George Bush Intcntl

25h 16m

2 stops

HLN6:11 pmHelena

$478

Find similar

Alaska Airlines

Mar 18

HLN6:22 pmHelena

18h 05m

2 stops

IAH1:27 pmHouston George Bush Intcntl

Mar 24

IAH2:27 pmHouston George Bush Intcntl

28h 18m

2 stops

HLN5:45 pmHelena

$542

Find similar

Delta flights from Helena to Houston

Our best Delta deals on Helena to Houston flight tickets

Delta

Mar 18

HLN5:30 amHelena

5h 20m

1 stop

IAH11:50 amHouston George Bush Intcntl

Mar 24

IAH7:45 amHouston George Bush Intcntl

5h 34m

1 stop

HLN12:19 pmHelena

$339

Find similar

Delta

Mar 18

HLN12:59 pmHelena

9h 50m

2 stops

IAH11:49 pmHouston George Bush Intcntl

Mar 24

IAH7:45 amHouston George Bush Intcntl

5h 34m

1 stop

HLN12:19 pmHelena

$344

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HelenaHouston

HLN - IAH

HLNIAH

Helena

Wed 3/18

5:30 am-11:50 am

1 stop5h 20m

Houston George Bush Intcntl

Tue 3/24

7:45 am-12:19 pm

1 stop5h 34m

$339

HelenaHouston

HLN - IAH

HLNIAH

Helena

Wed 3/18

12:59 pm-11:49 pm

2 stops9h 50m

Houston George Bush Intcntl

Tue 3/24

7:45 am-12:19 pm

1 stop5h 34m

$344

HelenaHouston

HLN - IAH

HLNIAH

Helena

Fri 1/30

2:27 pm-11:59 pm

1 stop8h 32m

Houston George Bush Intcntl

Tue 2/3

4:42 pm-9:26 pm

1 stop5h 44m

$457

HelenaHouston

HLN - IAH

HLNIAH

Helena

Fri 1/30

6:48 pm-11:54 pm

1 stop28h 06m

Houston George Bush Intcntl

Tue 2/3

7:00 am-6:11 pm

1 stop12h 11m

$473

HelenaHouston

HLN - IAH

HLNIAH

Helena

Fri 1/30

6:48 pm-11:54 pm

1 stop28h 06m

Houston George Bush Intcntl

Tue 2/3

5:55 pm-6:11 pm

2 stops25h 16m

$478

HelenaHouston

HLN - IAH

HLNIAH

Helena

Wed 3/18

6:22 pm-1:27 pm

2 stops18h 05m

Houston George Bush Intcntl

Tue 3/24

2:27 pm-5:45 pm

2 stops28h 18m

$542

HelenaHouston

HLN - IAH

HLNIAH

Helena

Wed 3/18

6:22 pm-1:27 pm

2 stops18h 05m

Houston George Bush Intcntl

Tue 3/24

2:27 pm-5:45 pm

2 stops28h 18m

$571

HelenaHouston

HLN - IAH

HLNIAH

Helena

Fri 1/30

6:48 pm-5:05 pm

2 stops21h 17m

Houston George Bush Intcntl

Tue 2/3

6:00 am-6:11 pm

2 stops13h 11m

$580

HelenaHouston

HLN - HOU

HLNHOU

Helena

Wed 3/18

6:22 pm-9:43 am

2 stops14h 21m

Houston Hobby

Tue 3/24

12:18 pm-5:45 pm

2 stops30h 27m

$661

HelenaHouston

HLN - IAH

HLNIAH

Helena

Fri 1/30

6:15 am-7:06 pm

2 stops11h 51m

Houston George Bush Intcntl

Tue 2/3

8:23 am-9:26 pm

2 stops14h 03m

$678

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted 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

Fastest flight time	7h 37m
Direct flights	None

The fastest flight from Helena to Houston takes 7h 37m

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 7h 37m, 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 December 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 8,013 reviews		Search Delta flights
United Airlines	PriceFrom $328	Free Cancellation	Rating 7.4 9,115 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.