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Cheap flights from Helena to Houston from $220

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 6/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
$399United Airlines
Tue, Apr 14 - Fri, Apr 17
United Airlines Logo
6:15 am - 3:22 pm
HLN
-
IAH
8h 07m
1 stop
United Airlines Logo
6:55 am - 1:38 pm
IAH
-
HLN
7h 43m
1 stop
$439United Airlines
Sat, May 2 - Tue, May 5
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
$444United Airlines
Tue, Apr 14 - Fri, Apr 17
Delta Logo
5:40 am - 5:42 pm
HLN
-
IAH
11h 02m
2 stops
Delta Logo
7:45 am - 12:24 pm
IAH
-
HLN
5h 39m
1 stop
$474Delta
Tue, Apr 14 - Fri, Apr 17
Delta Logo
5:40 am - 5:42 pm
HLN
-
IAH
11h 02m
2 stops
Delta Logo
7:45 am - 12:24 pm
IAH
-
HLN
5h 39m
1 stop
$489Delta
Tue, Apr 14 - Fri, Apr 17
United Airlines Logo
2:30 pm - 8:50 pm
HLN
-
IAH
5h 20m
1 stop
United Airlines Logo
10:05 am - 4:05 pm
IAH
-
HLN
7h 00m
1 stop
$509United Airlines
Tue, Sep 29 - Sat, Oct 3
Alaska Airlines Logo
6:22 pm - 5:16 am
HLN
-
IAH
9h 54m
1 stop
Alaska Airlines Logo
6:18 pm - 5:45 pm
IAH
-
HLN
24h 27m
2 stops
$532Alaska Airlines
Sat, May 2 - Tue, May 5
Alaska Airlines Logo
5:18 pm - 1:34 pm
HLN
-
IAH
19h 16m
2 stops
Alaska Airlines Logo
7:00 am - 3:31 pm
IAH
-
HLN
9h 31m
1 stop
$580Alaska Airlines
Tue, Sep 29 - Sat, Oct 3
Delta Logo
5:40 am - 5:42 pm
HLN
-
IAH
11h 02m
2 stops
Delta Logo
11:36 am - 10:30 pm
IAH
-
HLN
11h 54m
2 stops
$664Delta
Tue, Apr 14 - Fri, Apr 17
United Airlines Logo
2:30 pm - 5:17 am
HLN
-
IAH
13h 47m
2 stops
United Airlines Logo
10:10 am - 9:46 pm
IAH
-
HLN
12h 36m
2 stops
$675United Airlines
Sat, May 2 - Tue, May 5

Delta flights from Helena to Houston

Our best Delta deals on Helena to Houston flight tickets
Delta
Apr 14
HLN5:40 amHelena
11h 02m
2 stops
IAH5:42 pmHouston George Bush Intcntl
Apr 17
IAH7:45 amHouston George Bush Intcntl
5h 39m
1 stop
HLN12:24 pmHelena
$474
Delta
Apr 14
HLN5:40 amHelena
11h 02m
2 stops
IAH5:42 pmHouston George Bush Intcntl
Apr 17
IAH7:45 amHouston George Bush Intcntl
5h 39m
1 stop
HLN12:24 pmHelena
$489
Delta
Apr 14
HLN5:40 amHelena
11h 02m
2 stops
IAH5:42 pmHouston George Bush Intcntl
Apr 17
IAH11:36 amHouston George Bush Intcntl
11h 54m
2 stops
HLN10:30 pmHelena
$664

United Airlines flights from Helena to Houston

Our best United Airlines deals on Helena to Houston flight tickets
United Airlines
Apr 14
HLN2:25 pmHelena
5h 38m
1 stop
IAH9:03 pmHouston George Bush Intcntl
Apr 17
IAH7:00 amHouston George Bush Intcntl
7h 39m
1 stop
HLN1:39 pmHelena
$399
United Airlines
May 2
HLN6:15 amHelena
8h 07m
1 stop
IAH3:22 pmHouston George Bush Intcntl
May 5
IAH6:55 amHouston George Bush Intcntl
7h 43m
1 stop
HLN1:38 pmHelena
$439
United Airlines
Apr 14
HLN2:25 pmHelena
5h 38m
1 stop
IAH9:03 pmHouston George Bush Intcntl
Apr 17
IAH7:00 amHouston George Bush Intcntl
7h 39m
1 stop
HLN1:39 pmHelena
$444

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 April 2, 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

Cheapest round-trip

HelenaHouston

HLN - IAH

HLNIAH

Helena

Tue 4/14

2:25 pm-9:03 pm

1 stop5h 38m

Houston George Bush Intcntl

Fri 4/17

7:00 am-1:39 pm

1 stop7h 39m

$399

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sat 5/2

6:15 am-3:22 pm

1 stop8h 07m

Houston George Bush Intcntl

Tue 5/5

6:55 am-1:38 pm

1 stop7h 43m

$439

HelenaHouston

HLN - IAH

HLNIAH

Helena

Tue 4/14

2:25 pm-9:03 pm

1 stop5h 38m

Houston George Bush Intcntl

Fri 4/17

7:00 am-1:39 pm

1 stop7h 39m

$444

HelenaHouston

HLN - IAH

HLNIAH

Helena

Tue 4/14

5:40 am-5:42 pm

2 stops11h 02m

Houston George Bush Intcntl

Fri 4/17

7:45 am-12:24 pm

1 stop5h 39m

$474

HelenaHouston

HLN - IAH

HLNIAH

Helena

Tue 4/14

5:40 am-5:42 pm

2 stops11h 02m

Houston George Bush Intcntl

Fri 4/17

7:45 am-12:24 pm

1 stop5h 39m

$489
Quickest round-trip

HelenaHouston

HLN - IAH

HLNIAH

Helena

Tue 9/29

2:30 pm-8:50 pm

1 stop5h 20m

Houston George Bush Intcntl

Sat 10/3

10:05 am-4:05 pm

1 stop7h 00m

$509

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sat 5/2

6:22 pm-5:16 am

1 stop9h 54m

Houston George Bush Intcntl

Tue 5/5

6:18 pm-5:45 pm

2 stops24h 27m

$532

HelenaHouston

HLN - IAH

HLNIAH

Helena

Tue 9/29

5:18 pm-1:34 pm

2 stops19h 16m

Houston George Bush Intcntl

Sat 10/3

7:00 am-3:31 pm

1 stop9h 31m

$580

HelenaHouston

HLN - IAH

HLNIAH

Helena

Tue 4/14

5:40 am-5:42 pm

2 stops11h 02m

Houston George Bush Intcntl

Fri 4/17

11:36 am-10:30 pm

2 stops11h 54m

$664

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sat 5/2

2:30 pm-5:17 am

2 stops13h 47m

Houston George Bush Intcntl

Tue 5/5

10:10 am-9:46 pm

2 stops12h 36m

$675

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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, Alaska Airlines, and Delta are the most popular carriers operating from Helena to Houston

What airlines fly to Houston?

United Airlines, Delta and Southwest 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 44% 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 20m

Direct flights

None
The fastest flight from Helena to Houston takes 5h 20m
There are no direct flights from Helena to Houston. There are no popular flight routes from Helena to Houston.
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Frequently asked questions about flying from Helena to Houston

  • 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 20m, 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 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.

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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