$164 Cheap Flights from Houston (IAH) to Great Falls (GTF)

View $164 flight on Tue, Dec 9, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Great Falls, MT (GTF-Great Falls Intl.)

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

Prices were available within the past 7 days and start at $164 for one-way flights and $328 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Feb 14 - Sat, Feb 28
IAH
Houston
GTF
Great Falls
$328 Roundtrip, found 6 days ago
$328
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Feb 14 from Houston to Great Falls, returning Sat, Feb 28, priced at $328 found 6 days ago
Delta
Tue, Nov 11 - Sat, Nov 15
IAH
Houston
GTF
Great Falls
$328 Roundtrip, found 2 days ago
$328
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Nov 11 from Houston to Great Falls, returning Sat, Nov 15, priced at $328 found 2 days ago
Delta
Wed, Dec 17 - Wed, Dec 24
IAH
Houston
GTF
Great Falls
$330 Roundtrip, found 4 days ago
$330
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Dec 17 from Houston to Great Falls, returning Wed, Dec 24, priced at $330 found 4 days ago
Delta
Tue, Nov 11 - Wed, Nov 19
IAH
Houston
GTF
Great Falls
$334 Roundtrip, found 2 days ago
$334
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Nov 11 from Houston to Great Falls, returning Wed, Nov 19, priced at $334 found 2 days ago
Hawaiian Airlines
Sat, Feb 7 - Sat, Feb 21
IAH
Houston
GTF
Great Falls
$340 Roundtrip, found 6 days ago
$340
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Sat, Feb 7 from Houston to Great Falls, returning Sat, Feb 21, priced at $340 found 6 days ago
Hawaiian Airlines
Sat, Feb 14 - Fri, Feb 27
IAH
Houston
GTF
Great Falls
$350 Roundtrip, found 6 days ago
$350
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Sat, Feb 14 from Houston to Great Falls, returning Fri, Feb 27, priced at $350 found 6 days ago
Delta
Wed, Nov 12 - Tue, Nov 18
IAH
Houston
GTF
Great Falls
$358 Roundtrip, found 2 days ago
$358
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Nov 12 from Houston to Great Falls, returning Tue, Nov 18, priced at $358 found 2 days ago
Alaska Airlines
Tue, Feb 24 - Sat, Mar 7
IAH
Houston
GTF
Great Falls
$360 Roundtrip, found 6 days ago
$360
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Feb 24 from Houston to Great Falls, returning Sat, Mar 7, priced at $360 found 6 days ago
Hawaiian Airlines
Tue, Nov 11 - Mon, Nov 17
IAH
Houston
GTF
Great Falls
$362 Roundtrip, found 2 days ago
$362
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, Nov 11 from Houston to Great Falls, returning Mon, Nov 17, priced at $362 found 2 days ago
United
Fri, Nov 14 - Tue, Nov 18
IAH
Houston
GTF
Great Falls
$375 Roundtrip, found 11 hours ago
$375
Roundtrip
found 11 hours ago
Select United flight, departing Fri, Nov 14 from Houston to Great Falls, returning Tue, Nov 18, priced at $375 found 11 hours ago

Find the cheapest month to fly from Houston (IAH) to Great Falls (GTF)

January is typically the cheapest month to fly

From $294 - $752 per traveler.

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 $538
GTF
Great Falls Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $538

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Great Falls Intl. Airport (GTF) cost?
Snag a cheap one-way flight from $164 or cheap return flight from $328 from George Bush Intercontinental Airport (IAH) to Great Falls Intl. Airport (GTF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to Great Falls Intl. Airport (GTF)?
Planning your trip for February is a great way to save, as it's the cheapest month for flights between IAH and GTF. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Great Falls Intl. Airport (GTF)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest IAH to GTF flight.
How many flights per day from George Bush Intercontinental Airport (IAH) to Great Falls Intl. Airport (GTF)?
Nonstop flights from George Bush Intercontinental Airport (IAH) 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 travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAH to GTF?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Great Falls Intl. Airport (GTF)?
Book a flight from George Bush Intercontinental Airport (IAH) to Great Falls Intl. Airport (GTF) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour 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 George Bush Intercontinental Airport (IAH) to Great Falls Intl. Airport (GTF) last-minute?
Booking your plane ticket from IAH to GTF just before your getaway is usually more expensive. But if there's some wiggle room with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book an IAH to GTF flight and hotel package?
Booking an IAH to GTF flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our impressive range of stays and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Great Falls Intl. Airport (GTF)?
Generally, it's possible to cancel or reschedule your IAH to GTF flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Great Falls Intl.
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
$328
Distance
1478 mi

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 February. 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 $164 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

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*Available to One Key members.