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George Bush Intcntl

$140+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — IAH
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
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 February 9, 2026.

This United Airlines deal was found by Cheapflights users on 2/6. 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.
Sun 3/82:25 pm
BZN
-
IAH
Nonstop3h 35m
United Airlines
Sun 3/1510:15 am
IAH
-
BZN
Nonstop3h 52m
United Airlines
Deal found 2/6$249
This United Airlines deal was found by Cheapflights users on 2/6. 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.
Mon 6/14:17 pm
BZN
-
IAH
1 stop7h 54m
United Airlines
Sat 6/136:05 pm
IAH
-
BZN
Nonstop3h 34m
United Airlines
Deal found 2/6$255
This United Airlines deal was found by Cheapflights users on 2/6. 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.
Fri 5/14:28 pm
BZN
-
IAH
1 stop6h 30m
United Airlines
Sun 5/36:00 am
IAH
-
BZN
1 stop7h 30m
United Airlines
Deal found 2/6$269
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Tue 3/32:34 pm
MSO
-
IAH
1 stop8h 25m
United Airlines
Thu 3/56:40 am
IAH
-
MSO
1 stop7h 53m
United Airlines
Deal found 2/5$273
This Delta deal was found by Cheapflights users on 2/8. 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 5/111:59 am
BZN
-
IAH
2 stops10h 49m
Delta
Mon 5/42:20 pm
IAH
-
BZN
1 stop6h 51m
Delta
Deal found 2/8$274
This Delta deal was found by Cheapflights users on 2/6. 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 3/245:20 am
BZN
-
IAH
2 stops11h 52m
Delta
Fri 4/36:45 am
IAH
-
BZN
2 stops12h 01m
Delta
Deal found 2/6$279
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Sun 4/125:46 pm
BZN
-
IAH
1 stop11h 06m
Multiple Airlines
Wed 4/229:33 pm
IAH
-
BZN
1 stop13h 02m
Multiple Airlines
Deal found 2/8$281
This Delta deal was found by Cheapflights users on 2/6. 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 3/185:30 am
HLN
-
IAH
1 stop5h 20m
Delta
Tue 3/247:35 am
IAH
-
HLN
1 stop5h 46m
Delta
Deal found 2/6$289
This Delta deal was found by Cheapflights users on 2/6. 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 3/193:56 pm
BZN
-
IAH
1 stop6h 53m
Delta
Tue 3/242:09 pm
IAH
-
BZN
1 stop7h 05m
Delta
Deal found 2/6$294
This Delta deal was found by Cheapflights users on 2/6. 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.
Sun 10/115:45 am
BIL
-
IAH
1 stop5h 41m
Delta
Sat 10/2411:30 am
IAH
-
BIL
2 stops12h 02m
Delta
Deal found 2/6$294
This Delta deal was found by Cheapflights users on 2/8. 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 3/41:15 pm
GTF
-
IAH
1 stop7h 29m
Delta
Wed 3/115:25 am
IAH
-
GTF
2 stops13h 17m
Delta
Deal found 2/8$304
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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 10/273:00 pm
BZN
-
IAH
1 stop8h 03m
Alaska Airlines
Sat 10/317:00 am
IAH
-
BZN
1 stop8h 06m
Alaska Airlines
Deal found 2/6$309

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 February 9, 2026.

Round-trip from

$249
(United Airlines)

One-way from

$140
(Alaska Airlines)

Popular in

July

Cheapest in

September

Average price

$311

Good round-trip deal

$269 or less

Good one-way deal

$214 or less
From Montana to Houston George Bush Intcntl
Search Deals
One-way flight from Montana to Houston George Bush Intcntl
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Highest demand for flights based on searches. 18% potential increase in price ($82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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Price to beat on a round-trip flight from Montana to Houston George Bush Intcntl.
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Price to beat on a one-way 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 February 9, 2026.
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

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

Sun 3/8

4:30 pm-12:36 am

1 stop7h 06m

Houston George Bush Intcntl

Sun 3/15

10:15 am-1:07 pm

Nonstop3h 52m

$259

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

Sun 4/12

5:20 am-11:50 am

1 stop5h 30m

Houston George Bush Intcntl

Wed 4/22

5:24 am-1:36 pm

1 stop9h 12m

$269

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

Fri 3/27

4:30 pm-12:36 am

1 stop7h 06m

Houston George Bush Intcntl

Mon 3/30

6:00 am-12:20 pm

1 stop7h 20m

$269

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

Thu 4/30

2:40 pm-9:31 pm

1 stop5h 51m

Houston George Bush Intcntl

Sun 5/3

6:00 am-12:30 pm

1 stop7h 30m

$269

MissoulaHouston

MSO - IAH

MSOIAH

Missoula Johnson-Bell Field

Tue 3/3

2:34 pm-11:59 pm

1 stop8h 25m

Houston George Bush Intcntl

Thu 3/5

6:40 am-1:33 pm

1 stop7h 53m

$273

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

Tue 3/24

5:20 am-11:50 am

1 stop5h 30m

Houston George Bush Intcntl

Fri 4/3

6:45 am-5:46 pm

2 stops12h 01m

$274

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

Fri 5/1

11:59 am-11:48 pm

2 stops10h 49m

Houston George Bush Intcntl

Mon 5/4

2:20 pm-8:11 pm

1 stop6h 51m

$274

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

Sun 4/12

5:46 pm-5:52 am

1 stop11h 06m

Houston George Bush Intcntl

Wed 4/22

9:33 pm-9:35 am

1 stop13h 02m

$281

HelenaHouston

HLN - IAH

HLNIAH

Helena

Wed 3/18

5:30 am-11:50 am

1 stop5h 20m

Houston George Bush Intcntl

Tue 3/24

7:35 am-12:21 pm

1 stop5h 46m

$289

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

Tue 3/24

1:47 pm-10:31 pm

1 stop7h 44m

Houston George Bush Intcntl

Fri 4/3

6:02 am-12:38 pm

1 stop7h 36m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

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 $381). 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 February 9, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montana to Houston George Bush Intcntl Airport as you normally would.

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 30m. Fly via United Airlines, Delta, or Alaska Airlines to get the fastest option. The distance from Montana to Houston George Bush Intcntl Airport is about 1384 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 Billings Logan Intl - Houston George Bush Intcntl, Bozeman Gallatin Field - Houston George Bush Intcntl and Kalispell Glacier Park - 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: Mesa Airlines (86%), United Airlines (80%), Air New Zealand( 77%).

  • 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 $291, our data shows the cheapest flight currently is $201. When looking at the most popular route, (Billings Logan Intl - Houston George Bush Intcntl), you can expect to pay $253 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 $381). 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
Montgomery
Spring
Katy
The Woodlands
Tomball
Conroe
Humble
Jersey Village
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 February 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$147Average$447FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$249Average$536FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$303Average$478FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$333Average$469FlexibilityNo cancel feeOn-time71%

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