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Helena

$291+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — HLN
Aug 30 — Sep 61
Sat 8/30
Sat 9/6
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 August 25, 2025.

Round-trip from

$355
(Delta)

One-way from

$291
(Delta)
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 August 25, 2025.

This Delta deal was found by Cheapflights users on 8/24. 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 12/67:50 amIAH - HLN
1 stop5h 34mDelta
Wed 12/1012:50 pmHLN - IAH
1 stop7h 46mDelta
Deal found 8/24$355
This Delta deal was found by Cheapflights users on 8/24. 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 10/117:45 amIAH - HLN
1 stop5h 35mDelta
Sat 10/181:00 pmHLN - IAH
2 stops9h 59mDelta
Deal found 8/24$360
This Delta deal was found by Cheapflights users on 8/24. 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.
Mon 10/137:40 amIAH - HLN
1 stop5h 40mDelta
Sat 10/181:00 pmHLN - IAH
2 stops9h 59mDelta
Deal found 8/24$398
This Delta deal was found by Cheapflights users on 8/24. 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.
Tue 10/147:00 amIAH - HLN
2 stops16h 16mDelta
Sat 10/181:00 pmHLN - IAH
2 stops9h 59mDelta
Deal found 8/24$435
This Delta deal was found by Cheapflights users on 8/24. 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 10/117:45 amIAH - HLN
1 stop5h 35mDelta
Fri 10/171:00 pmHLN - IAH
1 stop7h 32mDelta
Deal found 8/24$436
This United Airlines deal was found by Cheapflights users on 8/24. 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 10/115:59 pmIAH - HLN
1 stop5h 15mUnited Airlines
Wed 10/155:18 pmHLN - IAH
1 stop5h 41mUnited Airlines
Deal found 8/24$463
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Sun 10/127:20 amIAH - HLN
1 stop7h 49mUnited Airlines
Sat 10/185:18 pmHLN - IAH
1 stop5h 41mUnited Airlines
Deal found 8/24$473
This Delta deal was found by Cheapflights users on 8/24. 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.
Mon 10/137:40 amIAH - HLN
1 stop5h 40mDelta
Fri 10/171:00 pmHLN - IAH
1 stop7h 32mDelta
Deal found 8/24$474
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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.
Tue 10/147:10 pmIAH - HLN
1 stop23h 31mAlaska Airlines
Sun 10/196:18 pmHLN - IAH
1 stop22h 52mAlaska Airlines
Deal found 8/24$493
This Delta deal was found by Cheapflights users on 8/24. 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.
Fri 10/107:40 amIAH - HLN
1 stop15h 36mDelta
Sat 10/181:00 pmHLN - IAH
2 stops9h 59mDelta
Deal found 8/24$501
This Delta deal was found by Cheapflights users on 8/22. 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 8/231:05 pmHOU - HLN
2 stops10h 08mDelta
Wed 8/275:50 amHLN - HOU
2 stops10h 49mDelta
Deal found 8/22$993

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 August 25, 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

7:50 am-12:24 pm

1 stop5h 34m

Helena

Wed 12/10

12:50 pm-9:36 pm

1 stop7h 46m

$355

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Tue 10/14

7:40 am-12:20 pm

1 stop5h 40m

Helena

Sat 10/18

1:00 pm-11:59 pm

2 stops9h 59m

$360

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 10/11

7:45 am-12:20 pm

1 stop5h 35m

Helena

Sat 10/18

1:00 pm-11:59 pm

2 stops9h 59m

$360

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Mon 10/13

7:40 am-12:20 pm

1 stop5h 40m

Helena

Sat 10/18

1:00 pm-11:59 pm

2 stops9h 59m

$398

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 10/11

7:45 am-12:20 pm

1 stop5h 35m

Helena

Fri 10/17

1:00 pm-9:32 pm

1 stop7h 32m

$436

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Tue 10/14

7:40 am-12:20 pm

1 stop5h 40m

Helena

Fri 10/17

1:00 pm-9:32 pm

1 stop7h 32m

$436

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 10/11

5:59 pm-10:14 pm

1 stop5h 15m

Helena

Wed 10/15

5:18 pm-11:59 pm

1 stop5h 41m

$463

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 10/11

11:14 am-4:40 pm

1 stop6h 26m

Helena

Sat 10/18

2:42 pm-10:59 pm

1 stop7h 17m

$463

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sun 10/12

7:20 am-2:09 pm

1 stop7h 49m

Helena

Wed 10/15

5:18 pm-11:59 pm

1 stop5h 41m

$473

HoustonHelena

HOU - HLN

HOUHLN

Houston Hobby

Tue 9/9

1:05 pm-10:13 pm

2 stops10h 08m

Helena

Sat 9/13

5:45 am-5:40 pm

2 stops10h 55m

$939

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/23

Showing 1-10 of 12 results
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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 August 25, 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 34m. 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

Browse thousands of different options on Cheapflights for your next trip

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