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Cheap flights from Helena to Houston from $150

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Houston departing on 3/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Helena to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:25 pm - 9:03 pm
HLN
-
IAH
5h 38m
1 stop
United Airlines Logo
7:00 am - 1:39 pm
IAH
-
HLN
7h 39m
1 stop
$289United Airlines
Sat, Apr 11 - Tue, Apr 14
United Airlines Logo
2:25 pm - 11:59 pm
HLN
-
IAH
8h 34m
1 stop
United Airlines Logo
8:13 am - 1:39 pm
IAH
-
HLN
6h 26m
1 stop
$299United Airlines
Wed, Apr 15 - Fri, Apr 17
Alaska Airlines Logo
6:22 pm - 5:21 am
HLN
-
IAH
9h 59m
1 stop
Alaska Airlines Logo
2:27 pm - 5:45 pm
IAH
-
HLN
28h 18m
2 stops
$386Alaska Airlines
Sat, Apr 11 - Tue, Apr 14
Alaska Airlines Logo
6:22 pm - 5:21 am
HLN
-
IAH
9h 59m
1 stop
Alaska Airlines Logo
2:27 pm - 5:45 pm
IAH
-
HLN
28h 18m
2 stops
$426Alaska Airlines
Wed, Apr 15 - Fri, Apr 17
Alaska Airlines Logo
6:22 pm - 5:21 am
HLN
-
IAH
9h 59m
1 stop
Alaska Airlines Logo
7:41 pm - 5:45 pm
IAH
-
HLN
23h 04m
2 stops
$444Alaska Airlines
Fri, Apr 10 - Mon, Apr 13
Alaska Airlines Logo
6:22 pm - 12:43 pm
HLN
-
IAH
17h 21m
2 stops
Alaska Airlines Logo
2:03 pm - 5:45 pm
IAH
-
HLN
28h 42m
2 stops
$484Alaska Airlines
Sat, Apr 11 - Tue, Apr 14
Alaska Airlines Logo
6:22 pm - 1:27 pm
HLN
-
IAH
18h 05m
2 stops
Alaska Airlines Logo
7:41 pm - 5:45 pm
IAH
-
HLN
23h 04m
2 stops
$532Alaska Airlines
Fri, Apr 10 - Mon, Apr 13
United Airlines Logo
2:25 pm - 9:03 pm
HLN
-
IAH
5h 38m
1 stop
United Airlines Logo
2:41 pm - 9:33 pm
IAH
-
HLN
7h 52m
1 stop
$568United Airlines
Fri, Apr 10 - Mon, Apr 13
Alaska Airlines Logo
6:22 pm - 9:26 am
HLN
-
HOU
14h 04m
2 stops
Alaska Airlines Logo
4:18 pm - 5:45 pm
HOU
-
HLN
26h 27m
2 stops
$608Alaska Airlines
Sat, Apr 11 - Tue, Apr 14
Delta Logo
5:30 am - 4:32 pm
HLN
-
HOU
10h 02m
2 stops
Delta Logo
1:31 pm - 10:30 pm
HOU
-
HLN
9h 59m
2 stops
$2,441Delta
Fri, Apr 10 - Mon, Apr 13

Alaska Airlines flights from Helena to Houston

Our best Alaska Airlines deals on Helena to Houston flight tickets
Alaska Airlines
Apr 11
HLN6:22 pmHelena
9h 59m
1 stop
IAH5:21 amHouston George Bush Intcntl
Apr 14
IAH2:27 pmHouston George Bush Intcntl
28h 18m
2 stops
HLN5:45 pmHelena
$386
Alaska Airlines
Apr 15
HLN6:22 pmHelena
9h 59m
1 stop
IAH5:21 amHouston George Bush Intcntl
Apr 17
IAH2:27 pmHouston George Bush Intcntl
28h 18m
2 stops
HLN5:45 pmHelena
$426
Alaska Airlines
Apr 10
HLN6:22 pmHelena
9h 59m
1 stop
IAH5:21 amHouston George Bush Intcntl
Apr 13
IAH7:41 pmHouston George Bush Intcntl
23h 04m
2 stops
HLN5:45 pmHelena
$444

United Airlines flights from Helena to Houston

Our best United Airlines deals on Helena to Houston flight tickets
United Airlines
Apr 11
HLN2:25 pmHelena
5h 38m
1 stop
IAH9:03 pmHouston George Bush Intcntl
Apr 14
IAH7:00 amHouston George Bush Intcntl
7h 39m
1 stop
HLN1:39 pmHelena
$289
United Airlines
Apr 15
HLN2:25 pmHelena
8h 34m
1 stop
IAH11:59 pmHouston George Bush Intcntl
Apr 17
IAH8:13 amHouston George Bush Intcntl
6h 26m
1 stop
HLN1:39 pmHelena
$299
United Airlines
Feb 18
HLN2:25 pmHelena
7h 21m
1 stop
IAH10:46 pmHouston George Bush Intcntl
Feb 21
IAH4:32 pmHouston George Bush Intcntl
5h 44m
1 stop
HLN9:16 pmHelena
$519

momondo Fare Finder

 
Customize your flight search to find flights from Helena to Houston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 16, 2026.
Use the filters below to find and compare flights from Helena to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sat 4/11

2:25 pm-9:03 pm

1 stop5h 38m

Houston George Bush Intcntl

Tue 4/14

7:00 am-1:39 pm

1 stop7h 39m

$289

HelenaHouston

HLN - IAH

HLNIAH

Helena

Wed 4/15

2:25 pm-11:59 pm

1 stop8h 34m

Houston George Bush Intcntl

Fri 4/17

8:13 am-1:39 pm

1 stop6h 26m

$299

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sat 4/11

6:22 pm-5:21 am

1 stop9h 59m

Houston George Bush Intcntl

Tue 4/14

2:27 pm-5:45 pm

2 stops28h 18m

$386

HelenaHouston

HLN - IAH

HLNIAH

Helena

Wed 4/15

6:22 pm-5:21 am

1 stop9h 59m

Houston George Bush Intcntl

Fri 4/17

2:27 pm-5:45 pm

2 stops28h 18m

$426

HelenaHouston

HLN - IAH

HLNIAH

Helena

Fri 4/10

6:22 pm-5:21 am

1 stop9h 59m

Houston George Bush Intcntl

Mon 4/13

7:41 pm-5:45 pm

2 stops23h 04m

$444

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sat 4/11

6:22 pm-12:43 pm

2 stops17h 21m

Houston George Bush Intcntl

Tue 4/14

2:03 pm-5:45 pm

2 stops28h 42m

$484

HelenaHouston

HLN - IAH

HLNIAH

Helena

Fri 4/10

6:22 pm-1:27 pm

2 stops18h 05m

Houston George Bush Intcntl

Mon 4/13

7:41 pm-5:45 pm

2 stops23h 04m

$532

HelenaHouston

HLN - IAH

HLNIAH

Helena

Fri 4/10

2:25 pm-9:03 pm

1 stop5h 38m

Houston George Bush Intcntl

Mon 4/13

2:41 pm-9:33 pm

1 stop7h 52m

$568

HelenaHouston

HLN - HOU

HLNHOU

Helena

Sat 4/11

6:22 pm-9:26 am

2 stops14h 04m

Houston Hobby

Tue 4/14

4:18 pm-5:45 pm

2 stops26h 27m

$608

HelenaHouston

HLN - HOU

HLNHOU

Helena

Fri 4/10

5:30 am-4:32 pm

2 stops10h 02m

Houston Hobby

Mon 4/13

1:31 pm-10:30 pm

2 stops9h 59m

$2,441

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Houston from

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

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

United Airlines and Alaska Airlines are the most popular carriers operating from Helena to Houston

What airlines fly to Houston?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Houston from Helena according to our data. United Airlines 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.

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

5h 38m

Direct flights

None
The fastest flight from Helena to Houston takes 5h 38m
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 38m, 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?

  • 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
DeltaPriceFrom $237Free CancellationRating
7.9
8,204 reviews
Search Delta flights
United AirlinesPriceFrom $328Free CancellationRating
7.4
9,299 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.

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Wed 3/18
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