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George Bush Intcntl

$114+ Cheap flights from Montana to George Bush Intcntl (IAH)

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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — IAH
ene. 14 — ene. 211
mié. 1/14
mié. 1/21
1 adult, Economy
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Cheap flight deals from Montana to George Bush Intcntl

Cheapest flights from Montana to George Bush Intcntl
Explore the most affordable flight options available from Montana to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 15, 2025.

This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/303:44 pmBZN - IAH
1 stop5h 22mAmerican Airlines
dom. 1/45:00 amIAH - BZN
1 stop8h 46mAmerican Airlines
Deal found 12/15$384
This United Airlines deal was found by Cheapflights users on 12/15. 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.
mar. 12/304:14 pmBZN - IAH
1 stop7h 16mUnited Airlines
dom. 1/410:01 amIAH - BZN
Nonstop3h 57mUnited Airlines
Deal found 12/15$399
This United Airlines deal was found by Cheapflights users on 12/13. 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.
jue. 12/181:55 pmBZN - IAH
Nonstop3h 38mUnited Airlines
mar. 12/2310:01 amIAH - BZN
Nonstop3h 57mUnited Airlines
Deal found 12/13$479
This United Airlines deal was found by Cheapflights users on 12/13. 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.
vie. 12/191:55 pmBZN - IAH
Nonstop3h 38mUnited Airlines
mar. 12/235:00 amIAH - BZN
1 stop5h 45mUnited Airlines
Deal found 12/13$489
This United Airlines deal was found by Cheapflights users on 12/13. 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.
vie. 12/1912:42 pmBZN - IAH
1 stop7h 46mUnited Airlines
dom. 12/214:35 pmIAH - BZN
1 stop5h 33mUnited Airlines
Deal found 12/13$499
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/2412:07 pmBIL - IAH
2 stops10h 35mMultiple Airlines
dom. 12/282:32 pmIAH - BIL
1 stop7h 43mMultiple Airlines
Deal found 12/15$530
This United Airlines deal was found by Cheapflights users on 12/15. 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.
lun. 12/221:55 pmBZN - IAH
Nonstop3h 38mUnited Airlines
lun. 12/2910:01 amIAH - BZN
Nonstop3h 57mUnited Airlines
Deal found 12/15$548
This deal was found by Cheapflights users on 12/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/164:30 pmBZN - IAH
1 stop6h 29mUnited Airlines
dom. 12/212:50 pmIAH - BZN
1 stop7h 18mUnited Airlines
Deal found 12/13$579
This American Airlines deal was found by Cheapflights users on 12/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/181:34 pmBZN - IAH
2 stops9h 16mAmerican Airlines
mar. 12/236:29 amIAH - BZN
1 stop7h 15mAmerican Airlines
Deal found 12/13$594
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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.
mar. 12/305:20 amMSO - IAH
1 stop10h 37mAlaska Airlines
sáb. 1/35:57 pmIAH - MSO
1 stop7h 12mAlaska Airlines
Deal found 12/15$600
This United Airlines deal was found by Cheapflights users on 12/14. 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.
mié. 12/312:38 pmMSO - IAH
1 stop7h 38mUnited Airlines
vie. 1/210:25 amIAH - MSO
1 stop6h 45mUnited Airlines
Deal found 12/14$606
This United Airlines deal was found by Cheapflights users on 12/13. 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.
dom. 12/212:38 pmMSO - IAH
1 stop7h 38mUnited Airlines
sáb. 1/36:40 amIAH - MSO
1 stop7h 56mUnited Airlines
Deal found 12/13$635

Find flight deals from Montana to George Bush Intcntl

Keep the following information in mind while searching for Montana to George Bush Intcntl flight deals. Data was last updated diciembre 15, 2025.

Round-trip from

$237
(Delta)

One-way from

$114
(United Airlines)

Popular in

July

Cheapest in

September

Average price

$395

Good round-trip deal

$279 or less
From Montana to Houston George Bush Intcntl
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One-way flight from Montana to Houston George Bush Intcntl
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Highest demand for flights based on searches. 12% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Montana to Houston George Bush Intcntl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana to George Bush Intcntl 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 diciembre 15, 2025.
Use the filters below to find and compare flights from Montana to Houston George Bush Intcntl Airport that are best for you.

Fly from

Montana

Fly to

George Bush Intcntl

Route

Depart

Return

Price

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

vie. 4/3

5:05 am-11:50 am

1 stop5h 45m

Houston George Bush Intcntl

sáb. 4/11

6:30 am-1:28 pm

1 stop7h 58m

$237

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

mié. 1/14

1:13 pm-11:59 pm

1 stop9h 46m

Houston George Bush Intcntl

sáb. 1/17

9:30 am-12:26 pm

Nonstop3h 56m

$259

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

jue. 1/22

3:03 pm-11:54 pm

1 stop7h 51m

Houston George Bush Intcntl

lun. 1/26

7:00 am-2:09 pm

1 stop8h 09m

$269

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

lun. 1/12

2:30 pm-8:54 pm

1 stop5h 24m

Houston George Bush Intcntl

lun. 1/19

5:00 am-11:44 am

1 stop7h 44m

$269

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

mar. 1/13

2:00 pm-11:15 pm

1 stop8h 15m

Houston George Bush Intcntl

mar. 1/20

12:47 pm-8:06 pm

1 stop8h 19m

$269

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

mar. 1/13

7:00 am-5:05 pm

2 stops9h 05m

Houston George Bush Intcntl

mar. 1/20

6:00 am-1:19 pm

1 stop8h 19m

$274

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

mié. 1/14

2:00 pm-11:15 pm

1 stop8h 15m

Houston George Bush Intcntl

sáb. 1/17

6:20 am-5:48 pm

2 stops12h 28m

$274

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

jue. 2/5

5:15 am-11:59 am

1 stop5h 44m

Houston George Bush Intcntl

lun. 2/9

6:20 am-5:50 pm

2 stops12h 30m

$274

ButteHouston

BTM - IAH

BTMIAH

Butte Silver Bow Co

lun. 1/12

9:14 am-4:59 pm

1 stop6h 45m

Houston George Bush Intcntl

lun. 1/19

6:11 pm-10:45 pm

1 stop5h 34m

$284

ButteHouston

BTM - IAH

BTMIAH

Butte Silver Bow Co

lun. 1/12

6:10 pm-9:28 am

2 stops14h 18m

Houston George Bush Intcntl

lun. 1/19

6:20 am-5:11 pm

2 stops11h 51m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 60 results
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Best time to book a flight from Montana to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Montana 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 Montana to Houston George Bush Intcntl Airport

What is the cheapest month to book a flight from Montana to Houston George Bush Intcntl Airport?

Currently, August is the cheapest month in which you can book a flight from Montana to Houston George Bush Intcntl Airport (average of $147). Flying from Montana to Houston George Bush Intcntl Airport in February is currently the most expensive (average of $387). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MT to IAH?

Find hourly flight availability from Montana to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 15, 2025.

One of the essential ways to save on airfare from Montana to Houston George Bush Intcntl Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 26% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Montana to George Bush Intcntl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Montana to Houston George Bush Intcntl Airport?

    There are many flights that can get you from Montana to Houston George Bush Intcntl Airport in 5h 45m. Fly via Delta, United Airlines, or Alaska Airlines to get the fastest option. The distance from Montana to Houston George Bush Intcntl Airport is about 1611 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Montana to Houston George Bush Intcntl Airport one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $155. Users have also found prices from $163 and $203 on United Airlines and American Airlines, respectively.

  • What are the most popular routes from Montana to Houston George Bush Intcntl Airport?

    The most popular flight routes from Montana to Houston George Bush Intcntl Airport are Bozeman Gallatin Field - Houston George Bush Intcntl, Billings Logan Intl - Houston George Bush Intcntl and Missoula Johnson-Bell Field - Houston George Bush Intcntl.

  • What are the most reliable airlines from Montana to Houston George Bush Intcntl Airport?

    Before booking your flight to Houston George Bush Intcntl Airport from Montana, check out the most reliable airlines to get you to your destination on time: United Airlines (75%), Air New Zealand (75%), Mesa Airlines( 75%).

  • What are the cheapest flights from Montana to Houston George Bush Intcntl Airport?

    While on average a flight from Montana to Houston George Bush Intcntl Airport is generally $400, our data shows the cheapest flight currently is $248. When looking at the most popular route, (Bozeman Gallatin Field - Houston George Bush Intcntl), you can expect to pay $269 for that flight.

  • Can I find deals for flights from Montana to George Bush Intcntl that include hotel bookings?

    Yes. In addition to deals on Montana to George Bush Intcntl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montana to George Bush Intcntl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montana to George Bush Intcntl.

  • Can I find deals for business class flights from Montana to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from Montana to George Bush Intcntl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montana to Houston George Bush Intcntl Airport?

    Currently, August is the cheapest month in which you can book a flight from Montana to Houston George Bush Intcntl Airport (average of $147). Flying from Montana to Houston George Bush Intcntl Airport in February is currently the most expensive (average of $387). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Spring
Montgomery
Katy
The Woodlands
Tomball
Jersey Village
Humble
Conroe
Cypress

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Top 4 airlines flying from Montana to George Bush Intcntl

Discover the top 4 airlines that operate flights from Montana to George Bush Intcntl. 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 diciembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$147Average$487FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$256Average$544FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$305Average$408FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$333Average$469FlexibilityNo cancel feeOn-time71%

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