HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Helena

$305+ 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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — HLN
Aug 1 — Aug 81
Sat 8/1
Sat 8/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Houston to Helena 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 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 July 2, 2026.

This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 12/87:00 am
IAH
-
HLN
1 stop9h 31m
Alaska Airlines
Sat 12/124:08 pm
HLN
-
IAH
1 stop6h 55m
Alaska Airlines
Deal found 7/1$329
This Delta deal was found by Cheapflights users on 6/29. 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 9/2411:26 am
IAH
-
HLN
2 stops11h 58m
Delta
Tue 9/297:15 am
HLN
-
IAH
1 stop5h 20m
Delta
Deal found 6/29$334
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 12/57:00 am
IAH
-
HLN
1 stop9h 31m
Alaska Airlines
Tue 12/84:08 pm
HLN
-
IAH
1 stop6h 55m
Alaska Airlines
Deal found 7/1$364
This Delta deal was found by Cheapflights users on 6/29. 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 9/237:25 am
IAH
-
HLN
1 stop5h 52m
Delta
Tue 9/2912:57 pm
HLN
-
IAH
2 stops9h 59m
Delta
Deal found 6/29$369
This Delta deal was found by Cheapflights users on 6/28. 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 7/117:35 am
IAH
-
HLN
1 stop5h 40m
Delta
Mon 7/1312:55 pm
HLN
-
IAH
2 stops10h 04m
Delta
Deal found 6/28$439
This Delta deal was found by Cheapflights users on 6/28. 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 7/217:35 am
IAH
-
HLN
1 stop5h 40m
Delta
Wed 7/2912:55 pm
HLN
-
IAH
2 stops10h 04m
Delta
Deal found 6/28$469
This Delta deal was found by Cheapflights users on 6/29. 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 9/2511:00 am
HOU
-
HLN
2 stops12h 24m
Delta
Tue 9/2912:57 pm
HLN
-
HOU
2 stops20h 04m
Delta
Deal found 6/29$487
This Delta deal was found by Cheapflights users on 6/28. 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 7/117:35 am
IAH
-
HLN
1 stop5h 40m
Delta
Wed 7/1512:55 pm
HLN
-
IAH
1 stop7h 55m
Delta
Deal found 6/28$494
This Delta deal was found by Cheapflights users on 6/28. 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 7/217:35 am
IAH
-
HLN
1 stop5h 40m
Delta
Thu 7/3012:55 pm
HLN
-
IAH
1 stop7h 55m
Delta
Deal found 6/28$499
This Delta deal was found by Cheapflights users on 6/28. 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 7/117:35 am
IAH
-
HLN
1 stop5h 40m
Delta
Thu 7/1612:55 pm
HLN
-
IAH
2 stops10h 04m
Delta
Deal found 6/28$504
This Delta deal was found by Cheapflights users on 6/29. 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 9/236:00 am
HOU
-
HLN
2 stops17h 24m
Delta
Tue 9/297:15 am
HLN
-
HOU
2 stops25h 46m
Delta
Deal found 6/29$635
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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 8/612:57 pm
HOU
-
HLN
2 stops28h 35m
Alaska Airlines
Wed 8/125:09 pm
HLN
-
HOU
2 stops14h 53m
Alaska Airlines
Deal found 6/28$763

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 July 2, 2026.

Round-trip from

$329
(Alaska Airlines)

One-way from

$305
(Alaska 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 July 2, 2026.
Use the filters below to find and compare flights from Houston to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Tue 12/8

7:00 am-3:31 pm

1 stop9h 31m

Helena

Sat 12/12

4:08 pm-12:03 am

1 stop6h 55m

$329

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Fri 9/25

11:26 am-10:24 pm

2 stops11h 58m

Helena

Tue 9/29

12:57 pm-9:57 pm

1 stop8h 00m

$334

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 12/5

7:00 am-3:31 pm

1 stop9h 31m

Helena

Tue 12/8

4:08 pm-12:03 am

1 stop6h 55m

$364

HoustonHelena

HOU - HLN

HOUHLN

Houston Hobby

Fri 9/25

11:00 am-10:24 pm

2 stops12h 24m

Helena

Tue 9/29

12:57 pm-10:01 am

2 stops20h 04m

$487

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 9/26

7:00 am-10:29 pm

2 stops16h 29m

Helena

Tue 9/29

12:57 pm-11:56 pm

2 stops9h 59m

$517

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 7/25

6:30 am-1:33 pm

1 stop8h 03m

Helena

Thu 7/30

2:20 pm-11:59 pm

1 stop8h 39m

$540

HoustonHelena

HOU - HLN

HOUHLN

Houston Hobby

Wed 9/23

6:00 am-10:24 pm

2 stops17h 24m

Helena

Tue 9/29

7:15 am-10:01 am

2 stops25h 46m

$635

HoustonHelena

HOU - HLN

HOUHLN

Houston Hobby

Thu 8/6

12:57 pm-4:32 pm

2 stops28h 35m

Helena

Wed 8/12

5:09 pm-9:02 am

2 stops14h 53m

$763

HoustonHelena

HOU - HLN

HOUHLN

Houston Hobby

Sat 8/8

5:41 am-4:32 pm

2 stops11h 51m

Helena

Sat 8/15

5:09 pm-9:02 am

2 stops14h 53m

$844

HoustonHelena

HOU - HLN

HOUHLN

Houston Hobby

Sun 8/2

4:14 pm-4:32 pm

2 stops25h 18m

Helena

Thu 8/13

5:09 pm-9:02 am

2 stops14h 53m

$889

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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

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 9h 31m. Fly via 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.

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.

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.