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Helena

$145+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — HLN
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
1 adult, Economy
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Cheap 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 February 18, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am
IAH
-
HLN
1 stop9h 31m
Alaska Airlines
Sat 10/314:08 pm
HLN
-
IAH
1 stop6h 55m
Alaska Airlines
Deal found 2/15$289
This Delta deal was found by Cheapflights users on 2/15. 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.
Sat 9/511:30 am
IAH
-
HLN
2 stops12h 04m
Delta
Sat 9/1212:50 pm
HLN
-
IAH
1 stop7h 48m
Delta
Deal found 2/15$319
This Alaska Airlines deal was found by Cheapflights users on 2/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/132:28 pm
IAH
-
HLN
1 stop26h 54m
Alaska Airlines
Mon 8/174:59 pm
HLN
-
IAH
1 stop12h 22m
Alaska Airlines
Deal found 2/16$339
This United Airlines deal was found by Cheapflights users on 2/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:30 am
IAH
-
HLN
1 stop8h 07m
United Airlines
Wed 7/222:20 pm
HLN
-
IAH
1 stop5h 35m
United Airlines
Deal found 2/16$369
This Alaska Airlines deal was found by Cheapflights users on 2/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/14:51 pm
IAH
-
HLN
1 stop25h 54m
Alaska Airlines
Sat 4/186:22 pm
HLN
-
IAH
2 stops18h 05m
Alaska Airlines
Deal found 2/16$386
This Delta deal was found by Cheapflights users on 2/16. 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.
Fri 2/277:15 am
IAH
-
HLN
1 stop6h 10m
Delta
Sun 3/15:30 am
HLN
-
IAH
1 stop5h 28m
Delta
Deal found 2/16$409
This United Airlines deal was found by Cheapflights users on 2/17. 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.
Tue 3/36:30 am
IAH
-
HLN
1 stop8h 10m
United Airlines
Fri 3/62:30 pm
HLN
-
IAH
1 stop5h 25m
United Airlines
Deal found 2/17$419
This Delta deal was found by Cheapflights users on 2/16. 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.
Tue 7/77:50 am
IAH
-
HLN
1 stop5h 33m
Delta
Fri 7/175:45 am
HLN
-
IAH
1 stop5h 34m
Delta
Deal found 2/16$423
This United Airlines deal was found by Cheapflights users on 2/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:30 am
IAH
-
HLN
1 stop5h 57m
United Airlines
Sat 10/317:00 am
HLN
-
IAH
2 stops15h 57m
United Airlines
Deal found 2/15$450
This Alaska Airlines deal was found by Cheapflights users on 2/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/192:28 pm
IAH
-
HLN
1 stop26h 54m
Alaska Airlines
Sun 6/214:59 pm
HLN
-
IAH
1 stop12h 22m
Alaska Airlines
Deal found 2/16$459
This Delta deal was found by Cheapflights users on 2/15. 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.
Sat 9/510:05 am
HOU
-
HLN
2 stops13h 29m
Delta
Sat 9/125:45 am
HLN
-
HOU
2 stops14h 50m
Delta
Deal found 2/15$539
This Alaska Airlines deal was found by Cheapflights users on 2/17. 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.
Wed 7/154:15 pm
HOU
-
HLN
2 stops25h 07m
Alaska Airlines
Sun 7/194:59 pm
HLN
-
HOU
2 stops15h 04m
Alaska Airlines
Deal found 2/17$741

Find 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 February 18, 2026.

Round-trip from

$289
(United Airlines)

One-way from

$145
(United Airlines)
From Houston to Helena
Search Deals
One-way flight from Houston to Helena
Search Deals

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 February 18, 2026.
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

Wed 4/1

7:00 am-1:39 pm

1 stop7h 39m

Helena

Sat 4/18

6:15 am-1:28 pm

1 stop6h 13m

$289

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Wed 4/1

4:51 pm-5:45 pm

1 stop25h 54m

Helena

Sat 4/18

6:22 pm-1:27 pm

2 stops18h 05m

$386

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Fri 2/27

7:15 am-12:25 pm

1 stop6h 10m

Helena

Sun 3/1

5:30 am-11:58 am

1 stop5h 28m

$409

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Tue 3/3

6:30 am-1:40 pm

1 stop8h 10m

Helena

Fri 3/6

2:30 pm-8:55 pm

1 stop5h 25m

$419

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Thu 5/7

4:46 pm-5:45 pm

1 stop25h 59m

Helena

Mon 5/11

6:22 pm-5:16 am

1 stop9h 54m

$531

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Thu 5/7

7:45 am-12:20 pm

1 stop5h 35m

Helena

Mon 5/11

1:00 pm-11:55 pm

2 stops9h 55m

$534

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Tue 3/3

6:00 am-3:59 pm

2 stops10h 59m

Helena

Fri 3/6

4:36 pm-4:33 pm

1 stop22h 57m

$716

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Fri 2/27

8:16 am-1:40 pm

1 stop6h 24m

Helena

Sun 3/1

6:15 am-3:17 pm

2 stops8h 02m

$913

HoustonHelena

HOU - HLN

HOUHLN

Houston Hobby

Fri 2/27

10:50 am-10:27 pm

2 stops12h 37m

Helena

Sun 3/1

5:30 am-4:28 pm

2 stops9h 58m

$1,980

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Mon 3/16

8:15 am-1:38 pm

1 stop6h 23m

$145

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

Showing 1-10 of 15 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, August is the cheapest month in which you can book a flight from Houston to Helena (average of $197). Flying from Houston to Helena in February is currently the most expensive (average of $294). 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.

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 6h 10m. Fly via United Airlines, Alaska Airlines, or Delta to get the fastest option. There are 1453 mi between Houston and Helena. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, August is the cheapest month in which you can book a flight from Houston to Helena (average of $197). Flying from Houston to Helena in February is currently the most expensive (average of $294). 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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