$215 Cheap Flights from Houston (HOU) to Great Falls (GTF)

View $215 flight on Thu, Oct 30, 2025Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Great Falls, MT (GTF-Great Falls Intl.)

Cheap Flights from Houston to Great Falls (HOU-GTF)

Prices were available within the past 7 days and start at $215 for one-way flights and $429 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Oct 30 - Mon, Nov 3
HOU
Houston
GTF
Great Falls
$429 Roundtrip, found 4 days ago
$429
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Oct 30 from Houston to Great Falls, returning Mon, Nov 3, priced at $429 found 4 days ago

Alternative airports near Great Falls

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

Select flight to Great Falls Intl. GTF. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $478
GTF
Great Falls Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $478

Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to Great Falls Intl. Airport (GTF) cost?
Snag a cheap one-way flight from $215 or cheap return flight from $429 from William P. Hobby Airport (HOU) to Great Falls Intl. Airport (GTF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from William P. Hobby Airport (HOU) to Great Falls Intl. Airport (GTF)?
October is the most affordable month to fly from HOU to GTF. Avoiding peak travel times is often the key to finding a great deal.
What is the cheapest airline that flies from William P. Hobby Airport (HOU) to Great Falls Intl. Airport (GTF)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from HOU to GTF. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from William P. Hobby Airport (HOU) to Great Falls Intl. Airport (GTF)?
Direct flights from William P. Hobby Airport (HOU) to Great Falls Intl. Airport (GTF) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from HOU to GTF?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change 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 William P. Hobby Airport (HOU) to Great Falls Intl. Airport (GTF)?
To avoid possible delays on the William P. Hobby Airport (HOU) to Great Falls Intl. Airport (GTF) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 William P. Hobby Airport (HOU) to Great Falls Intl. Airport (GTF) last-minute?
Booking your plane ticket from HOU to GTF shortly before your journey is typically more expensive. But if there's some wiggle room with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a HOU to GTF flight and hotel package?
You'll generally save money by booking a HOU to GTF flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've selected your preferred accommodations and flights, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to Great Falls Intl. Airport (GTF)?
Typically, you can modify or cancel your HOU to GTF flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want further information, go to our Customer Service portal.

Travel information

Travel information

Origin airport
William P. Hobby
Destination airport
Great Falls Intl.
Roundtrip price
$428
Distance
1500 mi

Book with confidence

Book with confidence

Houston to Great Falls Flights

The cheapest times to fly from Houston to Great Falls

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 Houston to Great Falls are during the month of October. You can find some of the cheapest flights from Houston to Great Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Great Falls

Sunday is one of the best days to book for cheap flights from Houston to Great Falls: 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 Houston to Great Falls

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 Houston to Great Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $215 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 Houston to Great Falls 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 Houston to Great Falls 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.

 

Houston to Great Falls Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.