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

Prices for flights from Houston to Helena Airport are updated daily.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston to Helena Airport.

What documentation or ID do you need to fly to Helena Airport?

The travel and health documents required for your trip to Helena 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 Helena Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$364 Cheap Flights from Houston to Helena in 2026

Find the cheapest flights from Houston to Helena

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:30 am - 1:45 pm

IAH

HLN

6h 15m

1 stop

2:35 pm - 9:41 pm

HLN

IAH

6h 06m

1 stop

$419United Airlines

sáb, ago 29 - ter, set 1

7:35 am - 12:15 pm

IAH

HLN

5h 40m

1 stop

12:55 pm - 9:50 pm

HLN

IAH

7h 55m

1 stop

$459Delta

sex, jul 31 - sex, ago 7

7:35 am - 12:15 pm

IAH

HLN

5h 40m

1 stop

5:40 am - 3:14 pm

HLN

IAH

8h 34m

2 stops

$464Delta

sex, jul 31 - qui, ago 6

4:21 pm - 9:20 pm

IAH

HLN

5h 59m

1 stop

2:20 pm - 11:06 pm

HLN

IAH

7h 46m

1 stop

$503United Airlines

sex, jul 10 - sáb, jul 18

6:02 am - 4:32 pm

IAH

HLN

11h 30m

1 stop

5:09 pm - 6:20 am

HLN

IAH

12h 11m

1 stop

$534Alaska Airlines

qua, jul 15 - qua, jul 22

2:35 pm - 10:39 pm

IAH

HLN

9h 04m

2 stops

12:55 pm - 9:50 pm

HLN

IAH

7h 55m

1 stop

$539Delta

sex, jul 10 - sáb, jul 18

8:40 am - 8:59 pm

IAH

HLN

13h 19m

2 stops

2:30 pm - 10:45 pm

HLN

IAH

7h 15m

1 stop

$553United Airlines

ter, out 27 - sáb, out 31

8:25 am - 9:30 pm

IAH

HLN

14h 05m

2 stops

2:35 pm - 11:56 pm

HLN

IAH

8h 21m

1 stop

$561United Airlines

sáb, ago 29 - ter, set 1

4:18 pm - 4:32 pm

IAH

HLN

25h 14m

2 stops

5:09 pm - 6:20 am

HLN

IAH

12h 11m

1 stop

$600Alaska Airlines

sex, jul 3 - ter, jul 7

12:46 pm - 4:32 pm

HOU

HLN

28h 46m

2 stops

5:09 pm - 9:48 am

HLN

HOU

15h 39m

2 stops

$1,051Alaska Airlines

sex, jul 10 - qui, jul 16

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United Airlines flights from Houston to Helena

Our best United Airlines deals on Houston to Helena flight tickets

United Airlines

Aug 29

IAH8:30 amHouston George Bush Intcntl

6h 15m

1 stop

HLN1:45 pmHelena

Sep 1

HLN2:35 pmHelena

6h 06m

1 stop

IAH9:41 pmHouston George Bush Intcntl

$419

United Airlines

Jul 10

IAH4:21 pmHouston George Bush Intcntl

5h 59m

1 stop

HLN9:20 pmHelena

Jul 18

HLN2:20 pmHelena

7h 46m

1 stop

IAH11:06 pmHouston George Bush Intcntl

$503

United Airlines

Oct 27

IAH8:40 amHouston George Bush Intcntl

13h 19m

2 stops

HLN8:59 pmHelena

Oct 31

HLN2:30 pmHelena

7h 15m

1 stop

IAH10:45 pmHouston George Bush Intcntl

$553

Alaska Airlines flights from Houston to Helena

Our best Alaska Airlines deals on Houston to Helena flight tickets

Alaska Airlines

Jul 15

IAH6:02 amHouston George Bush Intcntl

11h 30m

1 stop

HLN4:32 pmHelena

Jul 22

HLN5:09 pmHelena

12h 11m

1 stop

IAH6:20 amHouston George Bush Intcntl

$534

Alaska Airlines

Jul 3

IAH4:18 pmHouston George Bush Intcntl

25h 14m

2 stops

HLN4:32 pmHelena

Jul 7

HLN5:09 pmHelena

12h 11m

1 stop

IAH6:20 amHouston George Bush Intcntl

$600

Alaska Airlines

Oct 27

IAH5:00 amHouston George Bush Intcntl

12h 11m

2 stops

HLN4:11 pmHelena

Oct 31

HLN4:48 pmHelena

15h 55m

2 stops

IAH9:43 amHouston George Bush Intcntl

$626

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

sáb 8/29

8:30 am-1:45 pm

1 stop6h 15m

Helena

ter 9/1

2:35 pm-9:41 pm

1 stop6h 06m

$419

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

sex 7/31

7:35 am-12:15 pm

1 stop5h 40m

Helena

sex 8/7

12:55 pm-9:50 pm

1 stop7h 55m

$459

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

sex 7/31

7:35 am-12:15 pm

1 stop5h 40m

Helena

qui 8/6

5:40 am-3:14 pm

2 stops8h 34m

$464

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

sex 7/10

4:21 pm-9:20 pm

1 stop5h 59m

Helena

sáb 7/18

2:20 pm-11:06 pm

1 stop7h 46m

$503

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

qua 7/15

6:02 am-4:32 pm

1 stop11h 30m

Helena

qua 7/22

5:09 pm-6:20 am

1 stop12h 11m

$534

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

sex 7/10

2:35 pm-10:39 pm

2 stops9h 04m

Helena

sáb 7/18

12:55 pm-9:50 pm

1 stop7h 55m

$539

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

ter 10/27

8:40 am-8:59 pm

2 stops13h 19m

Helena

sáb 10/31

2:30 pm-10:45 pm

1 stop7h 15m

$553

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

sáb 8/29

8:25 am-9:30 pm

2 stops14h 05m

Helena

ter 9/1

2:35 pm-11:56 pm

1 stop8h 21m

$561

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

sex 7/3

4:18 pm-4:32 pm

2 stops25h 14m

Helena

ter 7/7

5:09 pm-6:20 am

1 stop12h 11m

$600

HoustonHelena

HOU - HLN

HOUHLN

Houston Hobby

sex 7/10

12:46 pm-4:32 pm

2 stops28h 46m

Helena

qui 7/16

5:09 pm-9:48 am

2 stops15h 39m

$1,051

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston to Helena

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 Houston to Helena?

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

What airlines fly to Helena?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Helena from Houston according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 4 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.

Cheap Houston to Helena flight deals and tips

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

Fastest flight time	5h 59m
Direct flights	None

The fastest flight from Houston to Helena takes 5h 59m

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

Search flight deals

Frequently asked questions about flying from Houston to Helena

How far is Houston to Helena by plane?
A flight from Houston to Helena will travel around 1466.5 mi. By plane, this route typically takes 5h 59m.
When did momondo last update prices for flights from Houston to Helena Airport?
Prices for flights from Houston to Helena Airport are updated daily.
How old do you have to be to fly from Houston to Helena Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston to Helena Airport.
What documentation or ID do you need to fly to Helena Airport?
The travel and health documents required for your trip to Helena 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 Helena Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Helena from Houston which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Helena from Houston.

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

If you are simply researching potential flights to Helena, momondo offers a useful price alert feature which will track prices for flights to Helena from Houston and alert you when they change.