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$275+ Cheap flights from Helena (HLN) to Houston

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — HOU
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
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Find 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 October 22, 2025.

This Delta deal was found by Cheapflights users on 10/22. 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 12/61:06 pmHLN - IAH
1 stop7h 30mDelta
Tue 12/97:40 amIAH - HLN
1 stop5h 45mDelta
Deal found 10/22$339
This Delta deal was found by Cheapflights users on 10/21. 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 11/201:06 pmHLN - IAH
1 stop7h 32mDelta
Thu 11/2711:00 amIAH - HLN
2 stops12h 30mDelta
Deal found 10/21$438
This Alaska Airlines deal was found by Cheapflights users on 10/20. 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 12/66:28 pmHLN - HOU
2 stops14h 13mAlaska Airlines
Tue 12/95:44 amHOU - HLN
2 stops13h 07mAlaska Airlines
Deal found 10/20$511
This United Airlines deal was found by Cheapflights users on 10/20. 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 10/256:30 amHLN - IAH
2 stops27h 45mUnited Airlines
Sun 10/262:32 pmIAH - HLN
1 stop7h 50mUnited Airlines
Deal found 10/20$630
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/202:22 pmHLN - IAH
2 stops17h 09mUnited Airlines
Thu 11/279:30 amIAH - HLN
2 stops28h 57mUnited Airlines
Deal found 10/21$653
This Delta deal was found by Cheapflights users on 10/19. 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 11/41:00 pmHLN - HOU
2 stops9h 00mDelta
Sat 11/810:13 amHOU - HLN
2 stops13h 03mDelta
Deal found 10/19$664
This Delta deal was found by Cheapflights users on 10/20. 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 10/251:00 pmHLN - IAH
1 stop7h 32mDelta
Sun 10/267:40 amIAH - HLN
1 stop5h 40mDelta
Deal found 10/20$727
This Alaska Airlines deal was found by Cheapflights users on 10/21. 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 11/56:13 pmHLN - HOU
2 stops14h 27mAlaska Airlines
Sun 11/96:00 amHOU - HLN
2 stops12h 36mAlaska Airlines
Deal found 10/21$929
This Delta deal was found by Cheapflights users on 10/20. 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 10/255:45 amHLN - HOU
2 stops11h 03mDelta
Sun 10/2610:13 amHOU - HLN
2 stops13h 03mDelta
Deal found 10/20$962
This Alaska Airlines deal was found by Cheapflights users on 10/21. 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 11/206:13 pmHLN - IAH
2 stops22h 42mAlaska Airlines
Thu 11/278:30 amIAH - HLN
3 stops35h 22mAlaska Airlines
Deal found 10/21$1,012

Cheap 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 October 22, 2025.

Round-trip from

$338
(Alaska Airlines)

One-way from

$275
(Delta)
From Helena to Houston
Search Deals
One-way flight from Helena to Houston
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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 October 22, 2025.
Use the filters below to find and compare flights from Helena to Houston that are best for you.

Fly from

Helena

Fly to

Houston

Route

Depart

Return

Price

HelenaHouston

HLN - IAH

HLNIAH

Helena

Tue 2/17

4:10 pm-11:59 pm

1 stop6h 49m

Houston George Bush Intcntl

Sat 2/28

7:35 am-3:43 pm

1 stop9h 08m

$338

HelenaHouston

HLN - IAH

HLNIAH

Helena

Wed 2/18

12:50 pm-9:40 pm

1 stop7h 50m

Houston George Bush Intcntl

Tue 2/24

7:45 am-12:27 pm

1 stop5h 42m

$339

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sat 12/6

5:30 am-12:00 pm

1 stop5h 30m

Houston George Bush Intcntl

Tue 12/9

12:35 pm-10:30 pm

2 stops10h 55m

$344

HelenaHouston

HLN - IAH

HLNIAH

Helena

Tue 2/17

4:10 pm-11:59 pm

1 stop6h 49m

Houston George Bush Intcntl

Wed 2/25

7:35 am-3:43 pm

1 stop9h 08m

$368

HelenaHouston

HLN - IAH

HLNIAH

Helena

Fri 12/5

6:28 pm-11:59 pm

1 stop28h 31m

Houston George Bush Intcntl

Tue 12/9

6:08 am-5:51 pm

1 stop12h 43m

$370

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sat 2/21

4:10 pm-11:59 pm

1 stop6h 49m

Houston George Bush Intcntl

Sat 2/28

5:54 pm-3:43 pm

2 stops22h 49m

$376

HelenaHouston

HLN - IAH

HLNIAH

Helena

Wed 2/18

4:10 pm-11:59 pm

1 stop6h 49m

Houston George Bush Intcntl

Sat 2/28

5:54 pm-3:43 pm

2 stops22h 49m

$376

HelenaHouston

HLN - HOU

HLNHOU

Helena

Sat 12/6

6:28 pm-9:41 am

2 stops14h 13m

Houston Hobby

Tue 12/9

5:44 am-5:51 pm

2 stops13h 07m

$511

HelenaHouston

HLN - HOU

HLNHOU

Helena

Wed 4/15

12:50 pm-9:20 am

2 stops19h 30m

Houston Hobby

Sat 4/18

10:05 am-10:34 pm

2 stops13h 29m

$657

HelenaHouston

HLN - HOU

HLNHOU

Helena

Tue 11/4

1:00 pm-11:00 pm

2 stops9h 00m

Houston Hobby

Sat 11/8

10:13 am-10:16 pm

2 stops13h 03m

$664

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

Showing 1-10 of 19 results
1
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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 July is currently the most expensive (average of $362). 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.

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated October 22, 2025.
See what other customers who have flown with Delta and United Airlines from Helena to Houston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,981 reviews

Overall

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,981 reviews
Delta
7.9
Good
7,981 reviews

Overall

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,990 reviews
Delta
7.9
Good
7,981 reviews

Overall

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 2 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 Alaska Airlines and Delta fly from Helena to Houston in about 6h 49m. The time it takes to get you to your destination can typically vary by up to 1h 01m. Helena and Houston are separated by a distance of 1453 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Helena to Houston round-trip?

    Delta, at $268, was found to be the cheapest airline from Helena to Houston. An alternate airline flying to your destination would be United Airlines.

  • 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 July is currently the most expensive (average of $362). 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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Alternative routes for Helena to Houston

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Top 2 airlines flying from Helena to Houston

Discover the top 2 airlines that operate flights from Helena to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$268Average$464FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$328Average$548FlexibilityNo cancel feeOn-time69%

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