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Helena

$345+ Cheap flights from Houston to Helena (HLN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — HLN
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Houston to Helena

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Helena (HLN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$353
(Delta)

One-way from

$345
(Alaska Airlines)
From Houston to Helena
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One-way flight from Houston to Helena
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Find flight deals from Houston to Helena

Cheapest flights from Houston to Helena
Explore the most affordable flight options available from Houston to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:40 amIAH - HLN
1 stop5h 46mDelta
Wed 12/105:30 amHLN - IAH
1 stop5h 34mDelta
Deal found 9/14$353
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/610:39 amHOU - HLN
2 stops12h 51mDelta
Wed 12/101:06 pmHLN - HOU
2 stops9h 40mDelta
Deal found 9/16$429
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:13 amIAH - HLN
1 stop7h 27mUnited Airlines
Mon 10/62:44 pmHLN - IAH
1 stop6h 26mUnited Airlines
Deal found 9/17$557
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:40 amIAH - HLN
1 stop5h 40mDelta
Sat 9/275:45 amHLN - IAH
1 stop5h 06mDelta
Deal found 9/15$591
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:40 amIAH - HLN
1 stop5h 40mDelta
Mon 10/61:00 pmHLN - IAH
2 stops9h 50mDelta
Deal found 9/17$659
This Alaska Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/208:00 amIAH - HLN
1 stop8h 21mAlaska Airlines
Tue 9/234:02 pmHLN - IAH
1 stop7h 04mAlaska Airlines
Deal found 9/17$726
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2012:46 pmIAH - HLN
2 stops10h 28mDelta
Tue 9/231:00 pmHLN - IAH
1 stop7h 29mDelta
Deal found 9/17$808
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/208:15 pmIAH - HLN
2 stops20h 49mUnited Airlines
Tue 9/232:30 pmHLN - IAH
2 stops17h 19mUnited Airlines
Deal found 9/17$813
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/241:13 pmHOU - HLN
2 stops10h 01mDelta
Sat 9/275:45 amHLN - HOU
2 stops10h 55mDelta
Deal found 9/15$939

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston to Helena that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Houston to Helena that are best for you.

Fly from

Houston

Fly to

Helena

Route

Depart

Return

Price

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 12/6

7:40 am-12:26 pm

1 stop5h 46m

Helena

Wed 12/10

5:30 am-12:04 pm

1 stop5h 34m

$353

HoustonHelena

HOU - HLN

HOUHLN

Houston Hobby

Sat 12/6

10:39 am-10:30 pm

2 stops12h 51m

Helena

Wed 12/10

1:06 pm-11:46 pm

2 stops9h 40m

$429

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Thu 10/2

7:40 am-12:20 pm

1 stop5h 40m

Helena

Mon 10/6

1:00 pm-11:50 pm

2 stops9h 50m

$659

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Fri 11/21

5:38 pm-6:52 pm

2 stops26h 14m

Helena

Sun 11/30

7:32 pm-12:46 am

1 stop28h 14m

$808

HoustonHelena

HOU - HLN

HOUHLN

Houston Hobby

Wed 10/15

10:12 am-5:41 pm

2 stops32h 29m

$345

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 12/20

7:01 am-5:55 pm

1 stop11h 54m

$388

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 12/20

12:10 pm-9:31 pm

2 stops10h 21m

$626

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Best time to book a flight from Houston to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from Houston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston to Helena

What is the cheapest month to book a flight from Houston to Helena?

Currently, February is the cheapest month in which you can book a flight from Houston to Helena (average of $353). Flying from Houston to Helena in May is currently the most expensive (average of $517). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HOU to HLN?

Find hourly flight availability from Houston to Helena. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

When flying from Houston to Helena, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Houston to Helena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Helena from Houston?

    Most people fly into Helena (HLN) if they book a flight to Helena from Houston. On average, Helena has 0 inbound flights from Houston per day from 0 airlines. Helena is conveniently located just 2.7 mi from Helena’s city center.

  • How long is the flight from Houston to Helena?

    There are many flights that can get you from Houston to Helena in 5h 46m. Fly via Delta to get the fastest option. There are 1453 mi between Houston and Helena.

  • Can I find deals for flights from Houston to Helena that include hotel bookings?

    Yes. In addition to deals on Houston to Helena flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to Helena?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Helena.

  • Can I find deals for business class flights from Houston to Helena?

    Yes. Cheapflights offers flight deals from Houston to Helena by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston to Helena?

    Currently, February is the cheapest month in which you can book a flight from Houston to Helena (average of $353). Flying from Houston to Helena in May is currently the most expensive (average of $517). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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