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.

$275 Cheap Flights from Houston to Helena in 2026/27

Find the cheapest flights from Houston to Helena

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:42 am - 4:23 pmIAH Houston George Bush Intcntl-HLN Helena

9h 41m1 stop Seattle/Tacoma Intl

5:00 pm - 5:03 pmHLN Helena-IAH Houston George Bush Intcntl

23h 03m1 stop Seattle/Tacoma Intl

$486Alaska Airlines

Sat, Jan 9 - Tue, Jan 12

7:42 am - 4:23 pmIAH Houston George Bush Intcntl-HLN Helena

9h 41m1 stop Seattle/Tacoma Intl

5:00 pm - 5:03 pmHLN Helena-IAH Houston George Bush Intcntl

23h 03m1 stop Seattle/Tacoma Intl

$486Alaska Airlines

Fri, Jan 8 - Tue, Jan 12

4:42 pm - 9:32 pmIAH Houston George Bush Intcntl-HLN Helena

5h 50m1 stop Denver Intl

2:27 pm - 9:00 pmHLN Helena-IAH Houston George Bush Intcntl

5h 33m1 stop Denver Intl

$489United Airlines

Fri, Jan 8 - Tue, Jan 12

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

$524United Airlines

Sat, Nov 14 - Tue, Nov 17

7:42 am - 4:23 pmIAH Houston George Bush Intcntl-HLN Helena

9h 41m1 stop Seattle/Tacoma Intl

5:00 pm - 1:27 pmHLN Helena-IAH Houston George Bush Intcntl

19h 27m2 stops Seattle/Tacoma Intl Portland

$554Alaska Airlines

Sat, Jan 9 - Tue, Jan 12

7:42 am - 4:23 pmIAH Houston George Bush Intcntl-HLN Helena

9h 41m1 stop Seattle/Tacoma Intl

5:00 pm - 1:27 pmHLN Helena-IAH Houston George Bush Intcntl

19h 27m2 stops Seattle/Tacoma Intl Portland

$554Alaska Airlines

Fri, Jan 8 - Tue, Jan 12

7:20 am - 1:40 pmIAH Houston George Bush Intcntl-HLN Helena

7h 20m1 stop Denver Intl

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

8h 36m1 stop Denver Intl

$559United Airlines

Tue, Nov 10 - Sat, Nov 14

10:15 pm - 1:40 pmIAH Houston George Bush Intcntl-HLN Helena

16h 25m2 stops Austin Bergstrom Denver Intl

6:15 am - 1:27 pmHLN Helena-IAH Houston George Bush Intcntl

6h 12m1 stop Denver Intl

$582United Airlines

Fri, Jan 8 - Tue, Jan 12

9:53 pm - 1:40 pmIAH Houston George Bush Intcntl-HLN Helena

16h 47m2 stops San Antonio Denver Intl

2:27 pm - 11:59 pmHLN Helena-IAH Houston George Bush Intcntl

8h 32m1 stop Denver Intl

$582United Airlines

Fri, Jan 8 - Tue, Jan 12

6:06 pm - 4:23 pmIAH Houston George Bush Intcntl-HLN Helena

23h 17m2 stops Portland Seattle/Tacoma Intl

5:00 pm - 1:27 pmHLN Helena-IAH Houston George Bush Intcntl

19h 27m2 stops Seattle/Tacoma Intl Portland

$686Alaska Airlines

Fri, Jan 8 - Tue, Jan 12

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Alaska Airlines flights from Houston to Helena

Our best Alaska Airlines deals on Houston to Helena flight tickets

Alaska Airlines

Jan 9

IAH7:42 amHouston George Bush Intcntl

9h 41m

1 stop

HLN4:23 pmHelena

Jan 12

HLN5:00 pmHelena

23h 03m

1 stop

IAH5:03 pmHouston George Bush Intcntl

$486

Alaska Airlines

Jan 9

IAH7:42 amHouston George Bush Intcntl

9h 41m

1 stop

HLN4:23 pmHelena

Jan 12

HLN5:00 pmHelena

19h 27m

2 stops

IAH1:27 pmHouston George Bush Intcntl

$554

Alaska Airlines

Jan 8

IAH6:06 pmHouston George Bush Intcntl

23h 17m

2 stops

HLN4:23 pmHelena

Jan 12

HLN5:00 pmHelena

19h 27m

2 stops

IAH1:27 pmHouston George Bush Intcntl

$686

United Airlines flights from Houston to Helena

Our best United Airlines deals on Houston to Helena flight tickets

United Airlines

Jan 8

IAH4:42 pmHouston George Bush Intcntl

5h 50m

1 stop

HLN9:32 pmHelena

Jan 12

HLN2:27 pmHelena

5h 33m

1 stop

IAH9:00 pmHouston George Bush Intcntl

$489

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

$524

United Airlines

Nov 10

IAH7:20 amHouston George Bush Intcntl

7h 20m

1 stop

HLN1:40 pmHelena

Nov 14

HLN2:23 pmHelena

8h 36m

1 stop

IAH11:59 pmHouston George Bush Intcntl

$559

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonHelena

IAH Houston George Bush Intcntl - HLN Helena

IAHHLN

Houston George Bush Intcntl

Sat 1/9

7:42 am-4:23 pm

1 stop9h 41m

Helena

Tue 1/12

5:00 pm-5:03 pm

1 stop23h 03m

$486

HoustonHelena

IAH Houston George Bush Intcntl - HLN Helena

IAHHLN

Houston George Bush Intcntl

Fri 1/8

7:42 am-4:23 pm

1 stop9h 41m

Helena

Tue 1/12

5:00 pm-5:03 pm

1 stop23h 03m

$486

Quickest round-trip

HoustonHelena

IAH Houston George Bush Intcntl - HLN Helena

IAHHLN

Houston George Bush Intcntl

Fri 1/8

4:42 pm-9:32 pm

1 stop5h 50m

Helena

Tue 1/12

2:27 pm-9:00 pm

1 stop5h 33m

$489

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

$524

HoustonHelena

IAH Houston George Bush Intcntl - HLN Helena

IAHHLN

Houston George Bush Intcntl

Sat 1/9

7:42 am-4:23 pm

1 stop9h 41m

Helena

Tue 1/12

5:00 pm-1:27 pm

2 stops19h 27m

$554

HoustonHelena

IAH Houston George Bush Intcntl - HLN Helena

IAHHLN

Houston George Bush Intcntl

Fri 1/8

7:42 am-4:23 pm

1 stop9h 41m

Helena

Tue 1/12

5:00 pm-1:27 pm

2 stops19h 27m

$554

HoustonHelena

IAH Houston George Bush Intcntl - HLN Helena

IAHHLN

Houston George Bush Intcntl

Tue 11/10

7:20 am-1:40 pm

1 stop7h 20m

Helena

Sat 11/14

2:23 pm-11:59 pm

1 stop8h 36m

$559

HoustonHelena

IAH Houston George Bush Intcntl - HLN Helena

IAHHLN

Houston George Bush Intcntl

Fri 1/8

10:15 pm-1:40 pm

2 stops16h 25m

Helena

Tue 1/12

6:15 am-1:27 pm

1 stop6h 12m

$582

HoustonHelena

IAH Houston George Bush Intcntl - HLN Helena

IAHHLN

Houston George Bush Intcntl

Fri 1/8

9:53 pm-1:40 pm

2 stops16h 47m

Helena

Tue 1/12

2:27 pm-11:59 pm

1 stop8h 32m

$582

HoustonHelena

IAH Houston George Bush Intcntl - HLN Helena

IAHHLN

Houston George Bush Intcntl

Fri 1/8

6:06 pm-4:23 pm

2 stops23h 17m

Helena

Tue 1/12

5:00 pm-1:27 pm

2 stops19h 27m

$686

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 59% 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	$275
Fastest flight time	5h 50m
Direct flights	None

The best one-way flight to Helena from Houston in the past 72 hours is $275. The best round-trip flight deal from Houston to Helena found on momondo in the last 72 hours is $486.

The fastest flight from Houston to Helena takes 5h 50m

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 50m.
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.