What is the cheapest airline that flies from Houston to Helena?

Delta is the most popular carrier 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 41% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 5 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.

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 many operators does momondo search for flights from Houston to Helena Airport?

As of July 2025, there is 1 operator available to choose from for flights from Houston to Helena Airport.

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.

$426 Cheap Flights from Houston to Helena in 2025

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Find the cheapest flights from Houston to Helena

Round-trip

One-way

Last minute

Cheap round-trip flights

7:40 am - 12:20 pmIAH-HLN

5h 40m1 stop

1:00 pm - 9:38 pmHLN-IAH

7h 38m1 stop

$426Delta

Find Deal

Sat, Aug 16 - Wed, Aug 20

7:40 am - 12:20 pmIAH-HLN

5h 40m1 stop

1:00 pm - 11:33 pmHLN-IAH

9h 33m2 stops

$431Delta

Find Deal

Sat, Aug 16 - Wed, Aug 20

7:40 am - 12:20 pmIAH-HLN

5h 40m1 stop

5:50 am - 11:56 amHLN-IAH

5h 06m1 stop

$446Delta

Find Deal

Sat, Aug 16 - Wed, Aug 20

7:40 am - 12:20 pmIAH-HLN

5h 40m1 stop

1:00 pm - 11:33 pmHLN-IAH

9h 33m2 stops

$451Delta

Find Deal

Sat, Aug 16 - Wed, Aug 20

7:40 am - 12:20 pmIAH-HLN

5h 40m1 stop

1:00 pm - 9:38 pmHLN-IAH

7h 38m1 stop

$483Delta

Find Deal

Sat, Aug 16 - Wed, Aug 20

4:35 pm - 8:59 pmIAH-HLN

5h 24m1 stop

2:30 pm - 8:38 amHLN-IAH

17h 08m1 stop

$646United Airlines

Find Deal

Thu, Jan 1 - Sun, Jan 4

8:35 am - 8:59 pmIAH-HLN

13h 24m2 stops

2:30 pm - 8:38 amHLN-IAH

17h 08m1 stop

$741United Airlines

Find Deal

Thu, Jan 1 - Sun, Jan 4

11:01 am - 9:15 pmIAH-HLN

11h 14m2 stops

5:20 pm - 6:33 amHLN-IAH

12h 13m2 stops

$748United Airlines

Find Deal

Sat, Aug 16 - Wed, Aug 20

2:50 pm - 9:15 pmIAH-HLN

7h 25m1 stop

5:39 pm - 11:59 pmHLN-IAH

5h 20m1 stop

$801United Airlines

Find Deal

Thu, Aug 14 - Sun, Aug 17

5:57 pm - 5:55 pmIAH-HLN

24h 58m2 stops

6:32 pm - 4:57 pmHLN-IAH

45h 25m2 stops

$1,045Alaska Airlines

Find Deal

Thu, Jan 1 - Sun, Jan 4

United Airlines flights from Houston to Helena

Our best United Airlines deals on Houston to Helena flight tickets

United Airlines

Jan 1

IAH4:35 pmHouston George Bush Intcntl

5h 24m

1 stop

HLN8:59 pmHelena

Jan 4

HLN2:30 pmHelena

17h 08m

1 stop

IAH8:38 amHouston George Bush Intcntl

$646

Find similar

United Airlines

Jan 1

IAH8:35 amHouston George Bush Intcntl

13h 24m

2 stops

HLN8:59 pmHelena

Jan 4

HLN2:30 pmHelena

17h 08m

1 stop

IAH8:38 amHouston George Bush Intcntl

$741

Find similar

United Airlines

Aug 16

IAH11:01 amHouston George Bush Intcntl

11h 14m

2 stops

HLN9:15 pmHelena

Aug 20

HLN5:20 pmHelena

12h 13m

2 stops

IAH6:33 amHouston George Bush Intcntl

$748

Find similar

Delta flights from Houston to Helena

Our best Delta deals on Houston to Helena flight tickets

Delta

Aug 16

IAH7:40 amHouston George Bush Intcntl

5h 40m

1 stop

HLN12:20 pmHelena

Aug 20

HLN1:00 pmHelena

7h 38m

1 stop

IAH9:38 pmHouston George Bush Intcntl

$426

Find similar

Delta

Aug 16

IAH7:40 amHouston George Bush Intcntl

5h 40m

1 stop

HLN12:20 pmHelena

Aug 20

HLN1:00 pmHelena

9h 33m

2 stops

IAH11:33 pmHouston George Bush Intcntl

$431

Find similar

Delta

Aug 16

IAH7:40 amHouston George Bush Intcntl

5h 40m

1 stop

HLN12:20 pmHelena

Aug 20

HLN5:50 amHelena

5h 06m

1 stop

IAH11:56 amHouston George Bush Intcntl

$446

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 8/16

7:40 am-12:20 pm

1 stop5h 40m

Helena

Wed 8/20

1:00 pm-9:38 pm

1 stop7h 38m

$426

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 8/16

7:40 am-12:20 pm

1 stop5h 40m

Helena

Wed 8/20

1:00 pm-11:33 pm

2 stops9h 33m

$431

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 8/16

7:40 am-12:20 pm

1 stop5h 40m

Helena

Wed 8/20

5:50 am-11:56 am

1 stop5h 06m

$446

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 8/16

7:40 am-12:20 pm

1 stop5h 40m

Helena

Wed 8/20

1:00 pm-11:33 pm

2 stops9h 33m

$451

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 8/16

7:40 am-12:20 pm

1 stop5h 40m

Helena

Wed 8/20

1:00 pm-9:38 pm

1 stop7h 38m

$483

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Thu 1/1

4:35 pm-8:59 pm

1 stop5h 24m

Helena

Sun 1/4

2:30 pm-8:38 am

1 stop17h 08m

$646

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Thu 1/1

8:35 am-8:59 pm

2 stops13h 24m

Helena

Sun 1/4

2:30 pm-8:38 am

1 stop17h 08m

$741

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 8/16

11:01 am-9:15 pm

2 stops11h 14m

Helena

Wed 8/20

5:20 pm-6:33 am

2 stops12h 13m

$748

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Thu 8/14

2:50 pm-9:15 pm

1 stop7h 25m

Helena

Sun 8/17

5:39 pm-11:59 pm

1 stop5h 20m

$801

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Thu 1/1

5:57 pm-5:55 pm

2 stops24h 58m

Helena

Sun 1/4

6:32 pm-4:57 pm

2 stops45h 25m

$1,045

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 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

Prices

Airlines

What is the cheapest time of day to depart on your flight to Helena?

According to our data, the cheapest time of day to fly to Helena is in the afternoon. momondo users have found flights departing from Houston to Helena in the afternoon for as low as $745. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Helena is at noon when prices are around $785.

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	$515
Fastest flight time	5h 24m
Direct flights	None
Airports in Helena	1 airport

The best one-way flight to Helena from Houston in the past 72 hours is $515. The best round-trip flight deal from Houston to Helena found on momondo in the last 72 hours is $426.

The fastest flight from Houston to Helena takes 5h 24m

There are no direct flights from Houston to Helena. Popular non-direct routes for this connection are Houston George Bush Intcntl Airport - Helena Airport and Houston Hobby Airport - Helena Airport.

There is 1 airport near Helena: Helena (HLN)

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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 24m.
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 many operators does momondo search for flights from Houston to Helena Airport?
As of July 2025, there is 1 operator available to choose from for flights from Houston to Helena Airport.
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.

Best airlines flying from Houston to Helena

Compare and see reviews for airlines that fly from Houston to Helena with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $413	Free Cancellation	Rating 7.4 8,900 reviews		Search United Airlines flights

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.