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.

$225 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 - 1:40 pmIAH Houston George Bush Intcntl-HLN Helena

6h 10m1 stop Denver Intl

2:23 pm - 11:59 pmHLN Helena-IAH Houston George Bush Intcntl

8h 36m1 stop Denver Intl

$429United Airlines

Sat, Nov 14 - Tue, Nov 17

8:30 am - 1:40 pmIAH Houston George Bush Intcntl-HLN Helena

6h 10m1 stop Denver Intl

2:23 pm - 11:59 pmHLN Helena-IAH Houston George Bush Intcntl

8h 36m1 stop Denver Intl

$449United Airlines

Sat, Nov 14 - Tue, Nov 17

7:02 am - 4:04 pmIAH Houston George Bush Intcntl-HLN Helena

10h 02m1 stop Seattle/Tacoma Intl

4:41 pm - 1:24 pmHLN Helena-IAH Houston George Bush Intcntl

19h 43m2 stops Seattle/Tacoma Intl Portland

$514Alaska Airlines

Sat, Nov 14 - Tue, Nov 17

7:25 am - 9:31 pmIAH Houston George Bush Intcntl-HLN Helena

15h 06m2 stops Austin Bergstrom Denver Intl

2:23 pm - 11:59 pmHLN Helena-IAH Houston George Bush Intcntl

8h 36m1 stop Denver Intl

$532United Airlines

Sat, Nov 14 - Tue, Nov 17

7:25 am - 9:31 pmIAH Houston George Bush Intcntl-HLN Helena

15h 06m2 stops Austin Bergstrom Denver Intl

2:23 pm - 11:59 pmHLN Helena-IAH Houston George Bush Intcntl

8h 36m1 stop Denver Intl

$586United Airlines

Sat, Nov 14 - Tue, Nov 17

5:55 pm - 4:04 pmIAH Houston George Bush Intcntl-HLN Helena

23h 09m2 stops Portland Seattle/Tacoma Intl

4:41 pm - 1:24 pmHLN Helena-IAH Houston George Bush Intcntl

19h 43m2 stops Seattle/Tacoma Intl Portland

$644Alaska Airlines

Sat, Nov 14 - Tue, Nov 17

7:25 am - 9:31 pmIAH Houston George Bush Intcntl-HLN Helena

15h 06m2 stops Austin Bergstrom Denver Intl

6:28 am - 8:50 pmHLN Helena-IAH Houston George Bush Intcntl

13h 22m2 stops Denver Intl Kansas City

$665United Airlines

Sat, Nov 14 - Tue, Nov 17

7:25 am - 9:31 pmIAH Houston George Bush Intcntl-HLN Helena

15h 06m2 stops Austin Bergstrom Denver Intl

6:28 am - 8:50 pmHLN Helena-IAH Houston George Bush Intcntl

13h 22m2 stops Denver Intl Kansas City

$685United Airlines

Sat, Nov 14 - Tue, Nov 17

7:25 am - 9:31 pmIAH Houston George Bush Intcntl-HLN Helena

15h 06m2 stops Austin Bergstrom Denver Intl

6:28 am - 8:30 pmHLN Helena-IAH Houston George Bush Intcntl

13h 02m2 stops Denver Intl Chicago O'Hare Intl

$780United Airlines

Sat, Nov 14 - Tue, Nov 17

6:20 am - 3:41 pmIAH Houston George Bush Intcntl-HLN Helena

10h 21m1 stop Seattle/Tacoma Intl

4:18 pm - 5:00 amHLN Helena-IAH Houston George Bush Intcntl

11h 42m1 stop Seattle/Tacoma Intl

$1,196Alaska Airlines

Sun, Dec 27 - Sat, Jan 2

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United Airlines flights from Houston to Helena

Our best United Airlines deals on Houston to Helena flight tickets

United Airlines

Nov 14

IAH8:30 amHouston George Bush Intcntl

6h 10m

1 stop

HLN1:40 pmHelena

Nov 17

HLN2:23 pmHelena

8h 36m

1 stop

IAH11:59 pmHouston George Bush Intcntl

$429

United Airlines

Nov 14

IAH8:30 amHouston George Bush Intcntl

6h 10m

1 stop

HLN1:40 pmHelena

Nov 17

HLN2:23 pmHelena

8h 36m

1 stop

IAH11:59 pmHouston George Bush Intcntl

$449

United Airlines

Nov 14

IAH7:25 amHouston George Bush Intcntl

15h 06m

2 stops

HLN9:31 pmHelena

Nov 17

HLN2:23 pmHelena

8h 36m

1 stop

IAH11:59 pmHouston George Bush Intcntl

$532

Alaska Airlines flights from Houston to Helena

Our best Alaska Airlines deals on Houston to Helena flight tickets

Alaska Airlines

Nov 14

IAH7:02 amHouston George Bush Intcntl

10h 02m

1 stop

HLN4:04 pmHelena

Nov 17

HLN4:41 pmHelena

19h 43m

2 stops

IAH1:24 pmHouston George Bush Intcntl

$514

Alaska Airlines

Nov 14

IAH5:55 pmHouston George Bush Intcntl

23h 09m

2 stops

HLN4:04 pmHelena

Nov 17

HLN4:41 pmHelena

19h 43m

2 stops

IAH1:24 pmHouston George Bush Intcntl

$644

Alaska Airlines

Dec 27

IAH6:20 amHouston George Bush Intcntl

10h 21m

1 stop

HLN3:41 pmHelena

Jan 2

HLN4:18 pmHelena

11h 42m

1 stop

IAH5:00 amHouston George Bush Intcntl

$1,196

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

HoustonHelena

IAH Houston George Bush Intcntl - HLN Helena

IAHHLN

Houston George Bush Intcntl

Sat 11/14

8:30 am-1:40 pm

1 stop6h 10m

Helena

Tue 11/17

2:23 pm-11:59 pm

1 stop8h 36m

$429

HoustonHelena

IAH Houston George Bush Intcntl - HLN Helena

IAHHLN

Houston George Bush Intcntl

Sat 11/14

8:30 am-1:40 pm

1 stop6h 10m

Helena

Tue 11/17

2:23 pm-11:59 pm

1 stop8h 36m

$449

HoustonHelena

IAH Houston George Bush Intcntl - HLN Helena

IAHHLN

Houston George Bush Intcntl

Sat 11/14

7:02 am-4:04 pm

1 stop10h 02m

Helena

Tue 11/17

4:41 pm-1:24 pm

2 stops19h 43m

$514

HoustonHelena

IAH Houston George Bush Intcntl - HLN Helena

IAHHLN

Houston George Bush Intcntl

Sat 11/14

7:25 am-9:31 pm

2 stops15h 06m

Helena

Tue 11/17

2:23 pm-11:59 pm

1 stop8h 36m

$532

HoustonHelena

IAH Houston George Bush Intcntl - HLN Helena

IAHHLN

Houston George Bush Intcntl

Sat 11/14

7:25 am-9:31 pm

2 stops15h 06m

Helena

Tue 11/17

2:23 pm-11:59 pm

1 stop8h 36m

$586

HoustonHelena

IAH Houston George Bush Intcntl - HLN Helena

IAHHLN

Houston George Bush Intcntl

Sat 11/14

5:55 pm-4:04 pm

2 stops23h 09m

Helena

Tue 11/17

4:41 pm-1:24 pm

2 stops19h 43m

$644

HoustonHelena

IAH Houston George Bush Intcntl - HLN Helena

IAHHLN

Houston George Bush Intcntl

Sat 11/14

7:25 am-9:31 pm

2 stops15h 06m

Helena

Tue 11/17

6:28 am-8:50 pm

2 stops13h 22m

$665

HoustonHelena

IAH Houston George Bush Intcntl - HLN Helena

IAHHLN

Houston George Bush Intcntl

Sat 11/14

7:25 am-9:31 pm

2 stops15h 06m

Helena

Tue 11/17

6:28 am-8:50 pm

2 stops13h 22m

$685

HoustonHelena

IAH Houston George Bush Intcntl - HLN Helena

IAHHLN

Houston George Bush Intcntl

Sat 11/14

7:25 am-9:31 pm

2 stops15h 06m

Helena

Tue 11/17

6:28 am-8:30 pm

2 stops13h 02m

$780

HoustonHelena

IAH Houston George Bush Intcntl - HLN Helena

IAHHLN

Houston George Bush Intcntl

Sun 12/27

6:20 am-3:41 pm

1 stop10h 21m

Helena

Sat 1/2

4:18 pm-5:00 am

1 stop11h 42m

$1,196

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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, United Airlines, and Delta 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 58% 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

Best Price Found	$225
Fastest flight time	6h 10m
Direct flights	None

The best one-way flight to Helena from Houston in the past 72 hours is $225. The best round-trip flight deal from Houston to Helena found on momondo in the last 72 hours is $429.

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.