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.

$260 Cheap Flights from Houston to Helena in 2026

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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.

7:45 am - 12:23 pm

IAH

HLN

5h 38m

1 stop

5:45 am - 11:49 am

HLN

IAH

5h 04m

1 stop

$349Delta

Mon, May 25 - Sun, May 31

11:34 am - 10:33 pm

IAH

HLN

11h 59m

2 stops

1:03 pm - 10:17 pm

HLN

IAH

8h 14m

1 stop

$404Delta

Sat, May 9 - Wed, May 13

11:34 am - 10:33 pm

IAH

HLN

11h 59m

2 stops

1:03 pm - 11:54 pm

HLN

IAH

9h 51m

2 stops

$409Delta

Sat, May 9 - Wed, May 13

7:50 am - 12:23 pm

IAH

HLN

5h 33m

1 stop

5:45 am - 6:28 pm

HLN

IAH

11h 43m

2 stops

$414Delta

Mon, Aug 17 - Thu, Aug 20

7:35 am - 12:20 pm

IAH

HLN

5h 45m

1 stop

5:40 am - 12:19 pm

HLN

IAH

5h 39m

1 stop

$428Delta

Tue, Jun 30 - Wed, Jul 15

6:30 am - 1:33 pm

IAH

HLN

8h 03m

1 stop

2:20 pm - 8:55 pm

HLN

IAH

5h 35m

1 stop

$456United Airlines

Tue, Jun 23 - Tue, Jun 30

6:30 am - 1:33 pm

IAH

HLN

8h 03m

1 stop

2:20 pm - 8:55 pm

HLN

IAH

5h 35m

1 stop

$469United Airlines

Sat, Jul 4 - Tue, Jul 14

4:19 pm - 4:06 pm

HOU

HLN

24h 47m

2 stops

4:43 pm - 9:26 am

HLN

HOU

15h 43m

2 stops

$640Alaska Airlines

Tue, May 12 - Sat, May 16

4:19 pm - 5:45 pm

HOU

HLN

26h 26m

2 stops

4:43 pm - 9:26 am

HLN

HOU

15h 43m

2 stops

$679Alaska Airlines

Sat, May 9 - Wed, May 13

12:50 pm - 4:06 pm

HOU

HLN

28h 16m

2 stops

4:43 pm - 8:57 am

HLN

HOU

15h 14m

2 stops

$930Alaska Airlines

Fri, May 29 - Sun, May 31

Delta flights from Houston to Helena

Our best Delta deals on Houston to Helena flight tickets

Delta

May 25

IAH7:45 amHouston George Bush Intcntl

5h 38m

1 stop

HLN12:23 pmHelena

May 31

HLN5:45 amHelena

5h 04m

1 stop

IAH11:49 amHouston George Bush Intcntl

$349

Delta

Jun 30

IAH7:35 amHouston George Bush Intcntl

5h 45m

1 stop

HLN12:20 pmHelena

Jul 15

HLN5:40 amHelena

5h 39m

1 stop

IAH12:19 pmHouston George Bush Intcntl

$428

Delta

Jun 30

IAH7:35 amHouston George Bush Intcntl

5h 45m

1 stop

HLN12:20 pmHelena

Jul 15

HLN12:55 pmHelena

10h 09m

2 stops

IAH12:04 amHouston George Bush Intcntl

$433

United Airlines flights from Houston to Helena

Our best United Airlines deals on Houston to Helena flight tickets

United Airlines

Aug 29

IAH3:00 pmHouston George Bush Intcntl

7h 16m

1 stop

HLN9:16 pmHelena

Sep 1

HLN2:29 pmHelena

7h 22m

1 stop

IAH10:51 pmHouston George Bush Intcntl

$419

United Airlines

Jun 23

IAH6:30 amHouston George Bush Intcntl

8h 03m

1 stop

HLN1:33 pmHelena

Jun 30

HLN2:20 pmHelena

5h 35m

1 stop

IAH8:55 pmHouston George Bush Intcntl

$456

United Airlines

Jun 16

IAH6:30 amHouston George Bush Intcntl

8h 03m

1 stop

HLN1:33 pmHelena

Jun 20

HLN2:20 pmHelena

8h 39m

1 stop

IAH11:59 pmHouston George Bush Intcntl

$459

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Mon 5/25

7:45 am-12:23 pm

1 stop5h 38m

Helena

Sun 5/31

5:45 am-11:49 am

1 stop5h 04m

$349

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 5/9

11:34 am-10:33 pm

2 stops11h 59m

Helena

Wed 5/13

1:03 pm-10:17 pm

1 stop8h 14m

$404

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 5/9

11:34 am-10:33 pm

2 stops11h 59m

Helena

Wed 5/13

1:03 pm-11:54 pm

2 stops9h 51m

$409

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Mon 8/17

7:50 am-12:23 pm

1 stop5h 33m

Helena

Thu 8/20

5:45 am-6:28 pm

2 stops11h 43m

$414

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Tue 6/30

7:35 am-12:20 pm

1 stop5h 45m

Helena

Wed 7/15

5:40 am-12:19 pm

1 stop5h 39m

$428

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Tue 6/23

6:30 am-1:33 pm

1 stop8h 03m

Helena

Tue 6/30

2:20 pm-8:55 pm

1 stop5h 35m

$456

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 7/4

6:30 am-1:33 pm

1 stop8h 03m

Helena

Tue 7/14

2:20 pm-8:55 pm

1 stop5h 35m

$469

HoustonHelena

HOU - HLN

HOUHLN

Houston Hobby

Tue 5/12

4:19 pm-4:06 pm

2 stops24h 47m

Helena

Sat 5/16

4:43 pm-9:26 am

2 stops15h 43m

$640

HoustonHelena

HOU - HLN

HOUHLN

Houston Hobby

Sat 5/9

4:19 pm-5:45 pm

2 stops26h 26m

Helena

Wed 5/13

4:43 pm-9:26 am

2 stops15h 43m

$679

HoustonHelena

HOU - HLN

HOUHLN

Houston Hobby

Fri 5/29

12:50 pm-4:06 pm

2 stops28h 16m

Helena

Sun 5/31

4:43 pm-8:57 am

2 stops15h 14m

$930

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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?

Delta, United Airlines, and Alaska 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 51% 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	6h 57m
Direct flights	None

The fastest flight from Houston to Helena takes 6h 57m

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 6h 57m.
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.