HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Houston

$324+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — HOU
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Helena to Houston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 24, 2026.

This Delta deal was found by Cheapflights users on 7/19. 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 8/1812:55 pm
HLN
-
IAH
1 stop7h 55m
Delta
Tue 8/257:30 am
IAH
-
HLN
1 stop5h 45m
Delta
Deal found 7/19$329
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Tue 8/186:15 am
HLN
-
IAH
1 stop8h 00m
United Airlines
Tue 8/254:27 pm
IAH
-
HLN
1 stop6h 03m
United Airlines
Deal found 7/21$339
This Expedia deal was found by Cheapflights users on 7/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:11 pm
HLN
-
IAH
1 stop23h 02m
Alaska Airlines
Tue 9/87:02 am
IAH
-
HLN
1 stop10h 39m
Alaska Airlines
Deal found 7/23$374
This Travelocity deal was found by Cheapflights users on 7/19. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:18 pm
HLN
-
IAH
1 stop22h 55m
Alaska Airlines
Wed 10/282:55 pm
IAH
-
HLN
1 stop26h 54m
Alaska Airlines
Deal found 7/19$399
This Delta deal was found by Cheapflights users on 7/19. 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.
Wed 8/195:40 am
HLN
-
IAH
2 stops11h 00m
Delta
Mon 8/249:45 am
IAH
-
HLN
2 stops13h 45m
Delta
Deal found 7/19$404
This United Airlines deal was found by Cheapflights users on 7/20. 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 11/142:34 pm
HLN
-
IAH
1 stop5h 24m
United Airlines
Wed 11/184:27 pm
IAH
-
HLN
1 stop6h 12m
United Airlines
Deal found 7/20$419
This Delta deal was found by Cheapflights users on 7/19. 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.
Thu 9/2412:57 pm
HLN
-
IAH
1 stop8h 00m
Delta
Wed 10/289:42 am
IAH
-
HLN
2 stops13h 42m
Delta
Deal found 7/19$423
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:11 pm
HLN
-
HOU
2 stops14h 52m
Alaska Airlines
Mon 8/316:14 pm
HOU
-
HLN
2 stops23h 20m
Alaska Airlines
Deal found 7/22$550
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:34 pm
HLN
-
HOU
2 stops14h 28m
Alaska Airlines
Mon 8/316:14 pm
HOU
-
HLN
2 stops23h 20m
Alaska Airlines
Deal found 7/19$718
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Fri 11/275:09 pm
HLN
-
HOU
2 stops15h 19m
Alaska Airlines
Sun 12/65:44 am
HOU
-
HLN
2 stops10h 47m
Alaska Airlines
Deal found 7/21$742
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:26 pm
HLN
-
HOU
2 stops14h 55m
Alaska Airlines
Sat 11/711:35 am
HOU
-
HLN
2 stops29h 29m
Alaska Airlines
Deal found 7/19$743
This Delta deal was found by Cheapflights users on 7/19. 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.
Wed 8/195:40 am
HLN
-
HOU
2 stops9h 45m
Delta
Mon 8/2410:50 am
HOU
-
HLN
2 stops12h 40m
Delta
Deal found 7/19$815

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 July 24, 2026.

Round-trip from

$329
(Delta)

One-way from

$324
(Delta)
From Helena to Houston
Search Deals
One-way flight 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 July 24, 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

Tue 8/18

12:55 pm-9:50 pm

1 stop7h 55m

Houston George Bush Intcntl

Tue 8/25

7:30 am-12:15 pm

1 stop5h 45m

$329

HelenaHouston

HLN - IAH

HLNIAH

Helena

Thu 8/20

12:55 pm-9:50 pm

1 stop7h 55m

Houston George Bush Intcntl

Mon 8/31

7:30 am-12:15 pm

1 stop5h 45m

$329

HelenaHouston

HLN - IAH

HLNIAH

Helena

Thu 10/29

1:03 pm-9:48 pm

1 stop7h 45m

Houston George Bush Intcntl

Sat 11/7

7:20 am-12:23 pm

1 stop6h 03m

$329

HelenaHouston

HLN - IAH

HLNIAH

Helena

Wed 8/19

5:40 am-5:40 pm

2 stops11h 00m

Houston George Bush Intcntl

Mon 8/24

7:30 am-12:15 pm

1 stop5h 45m

$334

HelenaHouston

HLN - IAH

HLNIAH

Helena

Tue 8/18

6:15 am-3:15 pm

1 stop8h 00m

Houston George Bush Intcntl

Tue 8/25

4:27 pm-9:30 pm

1 stop6h 03m

$339

HelenaHouston

HLN - IAH

HLNIAH

Helena

Fri 9/25

12:57 pm-9:57 pm

1 stop8h 00m

Houston George Bush Intcntl

Tue 9/29

7:25 am-12:17 pm

1 stop5h 52m

$339
Quickest round-trip

HelenaHouston

HLN - IAH

HLNIAH

Helena

Wed 8/26

5:40 am-1:37 pm

1 stop6h 57m

Houston George Bush Intcntl

Tue 9/1

7:30 am-12:15 pm

1 stop5h 45m

$339

HelenaHouston

HLN - IAH

HLNIAH

Helena

Fri 8/28

12:55 pm-11:54 pm

2 stops9h 59m

Houston George Bush Intcntl

Mon 8/31

7:30 am-12:15 pm

1 stop5h 45m

$344

HelenaHouston

HLN - IAH

HLNIAH

Helena

Wed 1/6

5:45 am-5:40 pm

2 stops10h 55m

Houston George Bush Intcntl

Wed 1/20

1:15 pm-10:41 pm

2 stops10h 26m

$349

HelenaHouston

HLN - HOU

HLNHOU

Helena

Wed 1/6

5:45 am-4:30 pm

2 stops9h 45m

Houston Hobby

Wed 1/20

10:05 am-10:41 pm

2 stops13h 36m

$385

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

No data available for this route at this time. Please check back soon.

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 July 24, 2026.
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
7.8
Good
8,479 reviews

Crew

8.5

Food

7.2

Comfort

7.8

Boarding

8.1

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,479 reviews
Delta
7.8
Good
8,479 reviews

Crew

8.5

Food

7.2

Comfort

7.8

Boarding

8.1

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,024 reviews
Delta
7.8
Good
8,479 reviews

Crew

8.5

Food

7.2

Comfort

7.8

Boarding

8.1

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 Delta and Alaska Airlines fly from Helena to Houston in about 7h 55m. The time it takes to get you to your destination can typically vary by up to 6h 57m. 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 $144, 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$144Average$338FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$348Average$439FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.