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$349+ Cheap flights from Helena (HLN) to Houston

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — HOU
Apr 19 — Apr 261
Sun 4/19
Sun 4/26
1 adult, Economy
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Cheap flight deals from Helena to Houston

Cheapest flights from Helena to Houston
Explore the most affordable flight options available from Helena to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 20, 2026.

This Alaska Airlines deal was found by Cheapflights users on 3/15. 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.
Sat 10/314:08 pm
HLN
-
IAH
1 stop6h 55m
Alaska Airlines
Tue 11/37:00 am
IAH
-
HLN
1 stop9h 31m
Alaska Airlines
Deal found 3/15$349
This Delta deal was found by Cheapflights users on 3/19. 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 4/215:40 am
HLN
-
IAH
2 stops11h 54m
Delta
Tue 4/287:45 am
IAH
-
HLN
1 stop5h 39m
Delta
Deal found 3/19$354
This Delta deal was found by Cheapflights users on 3/17. 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.
Tue 4/145:40 am
HLN
-
IAH
2 stops11h 02m
Delta
Tue 4/217:45 am
IAH
-
HLN
1 stop5h 39m
Delta
Deal found 3/17$379
This United Airlines deal was found by Cheapflights users on 3/19. 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 4/212:25 pm
HLN
-
IAH
1 stop5h 38m
United Airlines
Mon 4/277:00 am
IAH
-
HLN
1 stop7h 39m
United Airlines
Deal found 3/19$394
This Delta deal was found by Cheapflights users on 3/16. 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 9/512:50 pm
HLN
-
IAH
2 stops10h 01m
Delta
Tue 9/87:50 am
IAH
-
HLN
1 stop5h 33m
Delta
Deal found 3/16$409
This Alaska Airlines deal was found by Cheapflights users on 3/16. 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.
Sat 4/186:22 pm
HLN
-
IAH
1 stop9h 59m
Alaska Airlines
Tue 4/212:27 pm
IAH
-
HLN
2 stops28h 18m
Alaska Airlines
Deal found 3/16$411
This Delta deal was found by Cheapflights users on 3/16. 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 9/55:45 am
HLN
-
HOU
2 stops14h 50m
Delta
Tue 9/810:05 am
HOU
-
HLN
2 stops13h 29m
Delta
Deal found 3/16$414
This United Airlines deal was found by Cheapflights users on 3/15. 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.
Sat 4/182:25 pm
HLN
-
IAH
1 stop8h 34m
United Airlines
Tue 4/217:00 am
IAH
-
HLN
1 stop7h 39m
United Airlines
Deal found 3/15$429
This Alaska Airlines deal was found by Cheapflights users on 3/17. 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.
Tue 4/146:22 pm
HLN
-
HOU
2 stops14h 04m
Alaska Airlines
Tue 4/2112:42 pm
HOU
-
HLN
2 stops30h 03m
Alaska Airlines
Deal found 3/17$719
This Alaska Airlines deal was found by Cheapflights users on 3/15. 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.
Fri 8/75:26 pm
HLN
-
HOU
2 stops14h 33m
Alaska Airlines
Sun 8/161:08 pm
HOU
-
HLN
2 stops28h 41m
Alaska Airlines
Deal found 3/15$765
This Alaska Airlines deal was found by Cheapflights users on 3/17. 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.
Thu 4/306:22 pm
HLN
-
HOU
2 stops14h 04m
Alaska Airlines
Sun 5/36:01 am
HOU
-
HLN
2 stops12h 44m
Alaska Airlines
Deal found 3/17$960

Find flight deals from Helena to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Houston (HO1). 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 March 20, 2026.

Round-trip from

$349
(United Airlines)
From Helena to Houston
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helena to Houston 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 March 20, 2026.
Use the filters below to find and compare flights from Helena to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sat 9/5

2:29 pm-8:56 pm

1 stop5h 27m

Houston George Bush Intcntl

Tue 9/8

3:00 pm-9:16 pm

1 stop7h 16m

$349
Quickest round-trip

HelenaHouston

HLN - IAH

HLNIAH

Helena

Tue 4/21

5:40 am-11:47 am

1 stop5h 07m

Houston George Bush Intcntl

Tue 4/28

7:45 am-12:24 pm

1 stop5h 39m

$349

HelenaHouston

HLN - IAH

HLNIAH

Helena

Tue 4/14

2:25 pm-11:59 pm

1 stop8h 34m

Houston George Bush Intcntl

Tue 4/21

7:00 am-1:39 pm

1 stop7h 39m

$349

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sat 4/18

6:22 pm-5:21 am

1 stop9h 59m

Houston George Bush Intcntl

Tue 4/21

2:27 pm-5:45 pm

2 stops28h 18m

$411

HelenaHouston

HLN - HOU

HLNHOU

Helena

Sat 9/5

5:45 am-9:35 pm

2 stops14h 50m

Houston Hobby

Tue 9/8

10:05 am-10:34 pm

2 stops13h 29m

$414

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sat 4/18

2:25 pm-11:59 pm

1 stop8h 34m

Houston George Bush Intcntl

Tue 4/21

7:00 am-1:39 pm

1 stop7h 39m

$429

HelenaHouston

HLN - HOU

HLNHOU

Helena

Tue 4/14

6:22 pm-9:26 am

2 stops14h 04m

Houston Hobby

Tue 4/21

12:42 pm-5:45 pm

2 stops30h 03m

$719

HelenaHouston

HLN - HOU

HLNHOU

Helena

Fri 8/7

5:26 pm-8:59 am

2 stops14h 33m

Houston Hobby

Sun 8/16

1:08 pm-4:49 pm

2 stops28h 41m

$765

HelenaHouston

HLN - HOU

HLNHOU

Helena

Thu 4/30

6:22 pm-9:26 am

2 stops14h 04m

Houston Hobby

Sun 5/3

6:01 am-5:45 pm

2 stops12h 44m

$960

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

Sorted by cheapest first

Best time to book a flight from Helena to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Helena 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 Helena to Houston

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

Currently, August is the cheapest month in which you can book a flight from Helena to Houston (average of $147). Flying from Helena to Houston in June is currently the most expensive (average of $308). 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 Helena to Houston. 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 from for flights from Helena to Houston?

    Helena (HLN) is the airport you will fly out of if you book a flight from Helena to Houston. You should not have trouble finding flights to Houston from Helena; the airport handles an average of 0 outbound flights to Houston per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Helena airport to Houston. It is only a 2.7 mi journey to Helena (HLN) from Helena’s city center.

  • How long is the flight from Helena to Houston?

    Airlines like United Airlines, Delta, and Alaska Airlines fly from Helena to Houston in about 5h 07m. The time it takes to get you to your destination can typically vary by up to 4h 52m. Helena and Houston are separated by a distance of 1453 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Helena to Houston 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 Helena to Houston?

    Currently, August is the cheapest month in which you can book a flight from Helena to Houston (average of $147). Flying from Helena to Houston in June is currently the most expensive (average of $308). 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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