$169 Cheap Flights from Helena (HLN) to Houston (IAH)

View $169 flight on Wed, Dec 31, 2025Opens in a new window

Popular airlines from Helena, MT (HLN-Helena Regional) to George Bush Intercontinental Airport (IAH)

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Cheap Flights from Helena to Houston (HLN-IAH)

Prices were available within the past 7 days and start at $169 for one-way flights and $339 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Nov 11 - Wed, Nov 12
HLN
Helena
IAH
Houston
$339 Roundtrip, just found
$339
Roundtrip
just found
Select Delta flight, departing Tue, Nov 11 from Helena to Houston, returning Wed, Nov 12, priced at $339 just found
Hawaiian Airlines
Fri, Nov 14 - Tue, Nov 18
HLN
Helena
IAH
Houston
$352 Roundtrip, just found
$352
Roundtrip
just found
Select Hawaiian Airlines flight, departing Fri, Nov 14 from Helena to Houston, returning Tue, Nov 18, priced at $352 just found
Hawaiian Airlines
Wed, Dec 24 - Wed, Jan 7
HLN
Helena
IAH
Houston
$371 Roundtrip, found 6 days ago
$371
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Wed, Dec 24 from Helena to Houston, returning Wed, Jan 7, priced at $371 found 6 days ago
Hawaiian Airlines
Tue, Nov 11 - Fri, Nov 14
HLN
Helena
IAH
Houston
$372 Roundtrip, just found
$372
Roundtrip
just found
Select Hawaiian Airlines flight, departing Tue, Nov 11 from Helena to Houston, returning Fri, Nov 14, priced at $372 just found
Alaska Airlines
Sun, Dec 7 - Sat, Dec 13
HLN
Helena
IAH
Houston
$380 Roundtrip, found 3 days ago
$380
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sun, Dec 7 from Helena to Houston, returning Sat, Dec 13, priced at $380 found 3 days ago
Hawaiian Airlines
Thu, Nov 13 - Sat, Nov 15
HLN
Helena
IAH
Houston
$382 Roundtrip, just found
$382
Roundtrip
just found
Select Hawaiian Airlines flight, departing Thu, Nov 13 from Helena to Houston, returning Sat, Nov 15, priced at $382 just found
Alaska Airlines
Tue, Jan 13 - Sun, Jan 25
HLN
Helena
IAH
Houston
$383 Roundtrip, found 6 days ago
$383
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Jan 13 from Helena to Houston, returning Sun, Jan 25, priced at $383 found 6 days ago
Alaska Airlines
Sun, Dec 7 - Sat, Dec 13
HLN
Helena
IAH
Houston
$385 Roundtrip, found 3 days ago
$385
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sun, Dec 7 from Helena to Houston, returning Sat, Dec 13, priced at $385 found 3 days ago
United
Fri, Nov 14 - Sat, Nov 15
HLN
Helena
IAH
Houston
$386 Roundtrip, just found
$386
Roundtrip
just found
Select United flight, departing Fri, Nov 14 from Helena to Houston, returning Sat, Nov 15, priced at $386 just found
Hawaiian Airlines
Wed, Dec 24 - Thu, Jan 8
HLN
Helena
IAH
Houston
$390 Roundtrip, found 6 days ago
$390
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Wed, Dec 24 from Helena to Houston, returning Thu, Jan 8, priced at $390 found 6 days ago

Alternative airports near Houston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $444
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $444

Frequently asked questions

How much does a flight from Helena Regional Airport (HLN) to George Bush Intercontinental Airport (IAH) cost?
Snag a cheap one-way flight from $169 or cheap return flight from $339 from Helena Regional Airport (HLN) to George Bush Intercontinental Airport (IAH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Helena Regional Airport (HLN) to George Bush Intercontinental Airport (IAH)?
Traveling in November can help you save, as it's the cheapest month for flights between HLN and IAH. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Helena Regional Airport (HLN) to George Bush Intercontinental Airport (IAH)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest HLN to IAH flight.
How many flights per day from Helena Regional Airport (HLN) to George Bush Intercontinental Airport (IAH)?
You'll have to take a flight with a layover if you're traveling from Helena Regional Airport (HLN) to George Bush Intercontinental Airport (IAH). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from HLN to IAH?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Helena Regional Airport (HLN) to George Bush Intercontinental Airport (IAH)?
Choose a flight from Helena Regional Airport (HLN) to George Bush Intercontinental Airport (IAH) that takes off before 3 PM to reduce the likelihood of delays. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Helena Regional Airport (HLN) to George Bush Intercontinental Airport (IAH) last-minute?
Holding off until just before your departure to book your flight from HLN to IAH often results in higher prices. While it's possible to find some last-minute deals, there's no guarantee. Be flexible with your travel plans for the best chance of snagging a bargain.
Is it cheaper to book a HLN to IAH flight and hotel package?
Securing a HLN to IAH flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Helena Regional Airport (HLN) to George Bush Intercontinental Airport (IAH)?
If you booked your HLN to IAH flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Helena Regional
Destination airport
George Bush Intercontinental
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$338
Distance
1454 mi

Book with confidence

Helena to Houston Flights

The cheapest times to fly from Helena to Houston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Helena to Houston are during the month of November. You can find some of the cheapest flights from Helena to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Helena to Houston

Sunday is one of the best days to book for cheap flights from Helena to Houston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Helena to Houston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Helena to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $169 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Helena to Houston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Helena to Houston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Helena to Houston Flights

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