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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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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
United Airlines Logo
2:25 pm - 10:46 pm
HLN
-
IAH
7h 21m
1 stop
United Airlines Logo
6:30 am - 1:40 pm
IAH
-
HLN
8h 10m
1 stop
$489United Airlines
Fri, Feb 27 - Sun, Mar 1
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
Delta Logo
1:10 pm - 12:11 am
HLN
-
IAH
10h 01m
2 stops
Delta Logo
7:15 am - 12:25 pm
IAH
-
HLN
6h 10m
1 stop
$864Delta
Fri, Feb 27 - Sun, Mar 1

United Airlines flights from Helena to Houston George Bush Intcntl Airport

Our best United Airlines deals on Helena to Houston George Bush Intcntl Airport 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 27
HLN2:25 pmHelena
7h 21m
1 stop
IAH10:46 pmHouston George Bush Intcntl
Mar 1
IAH6:30 amHouston George Bush Intcntl
8h 10m
1 stop
HLN1:40 pmHelena
$489

Alaska Airlines flights from Helena to Houston George Bush Intcntl Airport

Our best Alaska Airlines deals on Helena to Houston George Bush Intcntl Airport 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

momondo Fare Finder

 
Customize your flight search to find flights from Helena to Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport 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 2/27

2:25 pm-10:46 pm

1 stop7h 21m

Houston George Bush Intcntl

Sun 3/1

6:30 am-1:40 pm

1 stop8h 10m

$489

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 - IAH

HLNIAH

Helena

Fri 2/27

1:10 pm-12:11 am

2 stops10h 01m

Houston George Bush Intcntl

Sun 3/1

7:15 am-12:25 pm

1 stop6h 10m

$864

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 George Bush Intcntl Airport

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 George Bush Intcntl?

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

What airlines fly to Houston George Bush Intcntl Airport?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Houston George Bush Intcntl Airport from Helena according to our data. Delta is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Houston George Bush Intcntl Airport. Keep in mind that there are 4 different airlines that fly to Houston George Bush Intcntl Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Helena to Houston George Bush Intcntl Airport

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

Cheap Helena to Houston George Bush Intcntl Airport (HLN to IAH) flight deals and tips

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

Fastest flight time

5h 38m

Direct flights

None
The fastest flight from Helena to Houston George Bush Intcntl Airport takes 5h 38m
There are no direct flights from Helena to Houston George Bush Intcntl Airport. There are no popular flight routes from Helena to Houston George Bush Intcntl Airport.
Search flight deals

  • How far is Helena to Houston George Bush Intcntl by plane?

    The distance between Helena and Houston George Bush Intcntl is about 1454.1 mi. Typically, this will take 5h 38m by plane in normal conditions.

  • When did momondo last update prices for flights from Helena Airport to Houston George Bush Intcntl Airport?

    Prices for flights from Helena Airport to Houston George Bush Intcntl Airport were last updated today.

  • How many operators does momondo search for flights from Helena Airport to Houston George Bush Intcntl Airport?

  • How old do you have to be to fly from Helena Airport to Houston George Bush Intcntl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Helena Airport to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The travel and health documents required for your trip to Houston George Bush Intcntl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Houston George Bush Intcntl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Helena to Houston George Bush Intcntl Airport?

Best airlines flying from Helena to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from Helena to Houston George Bush Intcntl Airport 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

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Katy
The Woodlands
Conroe
Cypress
Humble
Spring
Montgomery
Tomball
Livingston
Jersey Village

Why use momondo?

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

It is quick and easy to find Helena to Houston 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 Houston that suits you.

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

Flights from Helena to Houston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Helena to Houston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Helena to Houston flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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