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.

$326 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.

4:27 pm - 9:30 pm

IAH

HLN

6h 03m

1 stop

6:15 am - 3:15 pm

HLN

IAH

8h 00m

1 stop

$361United Airlines

Tue, Aug 25 - Mon, Aug 31

3:00 pm - 9:30 pm

IAH

HLN

7h 30m

1 stop

2:35 pm - 10:56 pm

HLN

IAH

7h 21m

1 stop

$363United Airlines

Tue, Aug 25 - Sun, Aug 30

8:30 am - 1:40 pm

IAH

HLN

6h 10m

1 stop

2:23 pm - 8:58 pm

HLN

IAH

5h 35m

1 stop

$429United Airlines

Sat, Oct 31 - Wed, Nov 4

4:27 pm - 9:30 pm

IAH

HLN

6h 03m

1 stop

2:35 pm - 11:56 pm

HLN

IAH

8h 21m

1 stop

$429United Airlines

Wed, Aug 26 - Mon, Aug 31

7:00 am - 3:31 pm

IAH

HLN

9h 31m

1 stop

4:08 pm - 12:03 am

HLN

IAH

6h 55m

1 stop

$449Alaska Airlines

Wed, Jan 6 - Sat, Jan 9

8:30 am - 1:40 pm

IAH

HLN

6h 10m

1 stop

2:23 pm - 8:58 pm

HLN

IAH

5h 35m

1 stop

$449United Airlines

Sat, Oct 31 - Wed, Nov 4

2:09 pm - 4:34 pm

IAH

HLN

27h 25m

2 stops

5:11 pm - 5:13 pm

HLN

IAH

23h 02m

1 stop

$455Alaska Airlines

Tue, Aug 25 - Mon, Aug 31

2:09 pm - 4:34 pm

IAH

HLN

27h 25m

2 stops

5:11 pm - 5:13 pm

HLN

IAH

23h 02m

1 stop

$475Alaska Airlines

Tue, Aug 25 - Sun, Aug 30

7:00 am - 3:31 pm

IAH

HLN

9h 31m

1 stop

4:08 pm - 12:03 am

HLN

IAH

6h 55m

1 stop

$479Alaska Airlines

Wed, Jan 6 - Sat, Jan 9

6:07 am - 4:34 pm

IAH

HLN

35h 27m

2 stops

5:11 pm - 5:13 pm

HLN

IAH

23h 02m

1 stop

$505Alaska Airlines

Wed, Aug 26 - Mon, Aug 31

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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 25

IAH4:27 pmHouston George Bush Intcntl

6h 03m

1 stop

HLN9:30 pmHelena

Aug 31

HLN6:15 amHelena

8h 00m

1 stop

IAH3:15 pmHouston George Bush Intcntl

$361

United Airlines

Aug 25

IAH3:00 pmHouston George Bush Intcntl

7h 30m

1 stop

HLN9:30 pmHelena

Aug 30

HLN2:35 pmHelena

7h 21m

1 stop

IAH10:56 pmHouston George Bush Intcntl

$363

United Airlines

Oct 31

IAH8:30 amHouston George Bush Intcntl

6h 10m

1 stop

HLN1:40 pmHelena

Nov 4

HLN2:23 pmHelena

5h 35m

1 stop

IAH8:58 pmHouston George Bush Intcntl

$429

Alaska Airlines flights from Houston to Helena

Our best Alaska Airlines deals on Houston to Helena flight tickets

Alaska Airlines

Aug 25

IAH2:09 pmHouston George Bush Intcntl

27h 25m

2 stops

HLN4:34 pmHelena

Aug 31

HLN5:11 pmHelena

23h 02m

1 stop

IAH5:13 pmHouston George Bush Intcntl

$455

Alaska Airlines

Aug 25

IAH2:09 pmHouston George Bush Intcntl

27h 25m

2 stops

HLN4:34 pmHelena

Aug 30

HLN5:11 pmHelena

23h 02m

1 stop

IAH5:13 pmHouston George Bush Intcntl

$475

Alaska Airlines

Jan 6

IAH7:00 amHouston George Bush Intcntl

9h 31m

1 stop

HLN3:31 pmHelena

Jan 9

HLN4:08 pmHelena

6h 55m

1 stop

IAH12:03 amHouston George Bush Intcntl

$479

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Tue 8/25

4:27 pm-9:30 pm

1 stop6h 03m

Helena

Mon 8/31

6:15 am-3:15 pm

1 stop8h 00m

$361

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Tue 8/25

3:00 pm-9:30 pm

1 stop7h 30m

Helena

Sun 8/30

2:35 pm-10:56 pm

1 stop7h 21m

$363

Quickest round-trip

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 10/31

8:30 am-1:40 pm

1 stop6h 10m

Helena

Wed 11/4

2:23 pm-8:58 pm

1 stop5h 35m

$429

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Wed 8/26

4:27 pm-9:30 pm

1 stop6h 03m

Helena

Mon 8/31

2:35 pm-11:56 pm

1 stop8h 21m

$429

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Wed 1/6

7:00 am-3:31 pm

1 stop9h 31m

Helena

Sat 1/9

4:08 pm-12:03 am

1 stop6h 55m

$449

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 10/31

8:30 am-1:40 pm

1 stop6h 10m

Helena

Wed 11/4

2:23 pm-8:58 pm

1 stop5h 35m

$449

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Tue 8/25

2:09 pm-4:34 pm

2 stops27h 25m

Helena

Mon 8/31

5:11 pm-5:13 pm

1 stop23h 02m

$455

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Tue 8/25

2:09 pm-4:34 pm

2 stops27h 25m

Helena

Sun 8/30

5:11 pm-5:13 pm

1 stop23h 02m

$475

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Wed 1/6

7:00 am-3:31 pm

1 stop9h 31m

Helena

Sat 1/9

4:08 pm-12:03 am

1 stop6h 55m

$479

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Wed 8/26

6:07 am-4:34 pm

2 stops35h 27m

Helena

Mon 8/31

5:11 pm-5:13 pm

1 stop23h 02m

$505

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

What airlines fly to Helena?

United Airlines, Delta and Southwest 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 57% 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 10m
Direct flights	None

The fastest flight from Houston to Helena takes 6h 10m

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 10m.
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.