How long does it take to fly to Houston?

Average flight duration from Montana to Houston depends on which airport you fly into and out of. Flying from Bozeman to Houston Hobby Airport is 3h 38m on average, while flying from Billings to Houston Hobby Airport is 5h 06m on average. Houston Hobby Airport is the most popular airport in Houston.

What is the cheapest airline that flies from Montana to Houston?

Southwest, American Airlines, and United Airlines are the most popular carriers operating from Montana to Houston

What airlines fly to Houston?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Houston from Montana according to our data. Delta is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Houston. Keep in mind that there are 5 different airlines that fly to Houston on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Montana to Houston?

Prices for flights from Montana to Houston are refreshed on a daily basis.

How many operators does momondo search for flights from Montana to Houston?

As of November 2025, there are 5 operators available to choose from for flights from Montana to Houston.

How old do you have to be to fly from Montana to Houston?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montana to Houston.

What documentation or ID do you need to fly to Houston?

The travel and health documents required for your trip to Houston can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Houston. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$115 Cheap Flights from Montana to Houston in 2025/26

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Find the cheapest flights from Montana to Houston

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:31 pm - 8:18 pmBZN-HOU

5h 47m1 stop

5:44 am - 12:54 pmHOU-BZN

8h 10m1 stop

$229American Airlines

Find Deal

Sat, Dec 6 - Tue, Dec 9

1:31 pm - 10:23 pmBZN-IAH

7h 52m1 stop

6:00 am - 12:54 pmIAH-BZN

7h 54m1 stop

$229American Airlines

Find Deal

Sat, Dec 6 - Tue, Dec 9

9:04 pm - 8:35 pmGTF-IAH

22h 31m1 stop

6:21 pm - 10:06 amIAH-GTF

16h 45m1 stop

$242Multiple Airlines

Find Deal

Thu, Nov 20 - Sun, Nov 23

2:58 pm - 11:59 pmBZN-IAH

8h 01m1 stop

5:55 pm - 1:04 pmIAH-BZN

20h 09m1 stop

$268Alaska Airlines

Find Deal

Wed, Dec 3 - Mon, Dec 8

2:46 pm - 10:53 amBZN-IAH

19h 07m2 stops

7:13 am - 9:10 pmIAH-BZN

14h 57m1 stop

$272Multiple Airlines

Find Deal

Sun, Nov 23 - Tue, Nov 25

11:46 am - 11:59 pmBZN-IAH

11h 13m1 stop

6:08 am - 11:17 pmIAH-BZN

18h 09m1 stop

$285Alaska Airlines

Find Deal

Wed, Dec 10 - Wed, Dec 17

12:55 pm - 7:40 pmBZN-HOU

5h 45m1 stop

3:00 pm - 10:45 pmHOU-BZN

8h 45m2 stops

$304Southwest

Find Deal

Sat, Dec 6 - Tue, Dec 9

5:00 am - 5:53 pmFCA-HOU

11h 53m2 stops

10:40 am - 11:00 pmHOU-FCA

13h 20m2 stops

$309Delta

Find Deal

Sun, Nov 23 - Thu, Nov 27

11:45 am - 10:33 pmBZN-HOU

9h 48m2 stops

6:00 am - 1:26 pmHOU-BZN

8h 26m1 stop

$334Delta

Find Deal

Sat, Dec 6 - Tue, Dec 9

5:45 pm - 11:50 pmBZN-HOU

5h 05m1 stop

10:40 pm - 9:35 amHOU-BZN

11h 55m1 stop

$374Southwest

Find Deal

Sun, Nov 23 - Tue, Nov 25

American Airlines flights from Montana to Houston

Our best American Airlines deals on Montana to Houston flight tickets

American Airlines

Dec 6

BZN1:31 pmBozeman Gallatin Field

5h 47m

1 stop

HOU8:18 pmHouston Hobby

Dec 9

HOU5:44 amHouston Hobby

8h 10m

1 stop

BZN12:54 pmBozeman Gallatin Field

$229

Find similar

American Airlines

Dec 30

BZN3:44 pmBozeman Gallatin Field

7h 06m

1 stop

IAH11:50 pmHouston George Bush Intcntl

Jan 4

IAH5:00 amHouston George Bush Intcntl

8h 46m

1 stop

BZN12:46 pmBozeman Gallatin Field

$318

Find similar

American Airlines

Feb 6

BZN7:00 amBozeman Gallatin Field

9h 05m

2 stops

IAH5:05 pmHouston George Bush Intcntl

Feb 14

IAH5:00 amHouston George Bush Intcntl

6h 46m

1 stop

BZN10:46 amBozeman Gallatin Field

$323

Find similar

Southwest flights from Montana to Houston

Our best Southwest deals on Montana to Houston flight tickets

Southwest

Dec 6

BZN12:55 pmBozeman Gallatin Field

5h 45m

1 stop

HOU7:40 pmHouston Hobby

Dec 9

HOU3:00 pmHouston Hobby

8h 45m

2 stops

BZN10:45 pmBozeman Gallatin Field

$304

Find similar

Southwest

Nov 23

BZN5:45 pmBozeman Gallatin Field

5h 05m

1 stop

HOU11:50 pmHouston Hobby

Nov 25

HOU10:40 pmHouston Hobby

11h 55m

1 stop

BZN9:35 amBozeman Gallatin Field

$374

Find similar

Southwest

Feb 6

BZN12:45 pmBozeman Gallatin Field

8h 25m

1 stop

HOU10:10 pmHouston Hobby

Feb 14

HOU6:20 amHouston Hobby

9h 55m

2 stops

BZN3:15 pmBozeman Gallatin Field

$379

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BozemanHouston

BZN - HOU

BZNHOU

Bozeman Gallatin Field

Sat 12/6

1:31 pm-8:18 pm

1 stop5h 47m

Houston Hobby

Tue 12/9

5:44 am-12:54 pm

1 stop8h 10m

$229

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

Sat 12/6

1:31 pm-10:23 pm

1 stop7h 52m

Houston George Bush Intcntl

Tue 12/9

6:00 am-12:54 pm

1 stop7h 54m

$229

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Thu 11/20

9:04 pm-8:35 pm

1 stop22h 31m

Houston George Bush Intcntl

Sun 11/23

6:21 pm-10:06 am

1 stop16h 45m

$242

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

Wed 12/3

2:58 pm-11:59 pm

1 stop8h 01m

Houston George Bush Intcntl

Mon 12/8

5:55 pm-1:04 pm

1 stop20h 09m

$268

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

Sun 11/23

2:46 pm-10:53 am

2 stops19h 07m

Houston George Bush Intcntl

Tue 11/25

7:13 am-9:10 pm

1 stop14h 57m

$272

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

Wed 12/10

11:46 am-11:59 pm

1 stop11h 13m

Houston George Bush Intcntl

Wed 12/17

6:08 am-11:17 pm

1 stop18h 09m

$285

BozemanHouston

BZN - HOU

BZNHOU

Bozeman Gallatin Field

Sat 12/6

12:55 pm-7:40 pm

1 stop5h 45m

Houston Hobby

Tue 12/9

3:00 pm-10:45 pm

2 stops8h 45m

$304

KalispellHouston

FCA - HOU

FCAHOU

Kalispell Glacier Park

Sun 11/23

5:00 am-5:53 pm

2 stops11h 53m

Houston Hobby

Thu 11/27

10:40 am-11:00 pm

2 stops13h 20m

$309

BozemanHouston

BZN - HOU

BZNHOU

Bozeman Gallatin Field

Sat 12/6

11:45 am-10:33 pm

2 stops9h 48m

Houston Hobby

Tue 12/9

6:00 am-1:26 pm

1 stop8h 26m

$334

BozemanHouston

BZN - HOU

BZNHOU

Bozeman Gallatin Field

Sun 11/23

5:45 pm-11:50 pm

1 stop5h 05m

Houston Hobby

Tue 11/25

10:40 pm-9:35 am

1 stop11h 55m

$374

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Montana to Houston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Houston?

The month of September is, on average, the cheapest month to fly to Houston from Montana, with most prices found around $308. The month of October is another great option to travel to Houston, with average flight prices from Montana averaging around $308.

What is the cheapest day to depart on your flight to Houston?

On average, the least expensive day to fly to Houston from Montana is on a Sunday. momondo users have found tickets for Sunday departures for as low as $352. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Tuesday is $438.

What is the cheapest time of day to depart on your flight to Houston?

Our data shows that the cheapest Montana to Houston flights are usually those with departure times in the afternoon. Our users have found flights to Houston in the afternoon for as low as $448. Try not to purchase tickets at noon because they tend to be around $640. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Montana to Houston flight route?

Fly from Kalispell Glacier Park to Houston George Bush Intcntl for the best Montana - Houston flight prices

What cabin class options are available on Montana to Houston flights?

There are 3 cabin classes available to choose from on Montana to Houston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Montana to Houston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to Houston

Fastest flight time	3h 38m
Direct flights	Wed, Thu, Fri, Sat and Sun
Airports in Houston	1 airport

The fastest flight from Montana to Houston takes 3h 38m

Direct flights go from Montana to Houston on Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There is 1 airport near Houston: Houston George Bush Intcntl (IAH)

Search flight deals

When did momondo last update prices for flights from Montana to Houston?
Prices for flights from Montana to Houston are refreshed on a daily basis.
How many operators does momondo search for flights from Montana to Houston?
As of November 2025, there are 5 operators available to choose from for flights from Montana to Houston.
How old do you have to be to fly from Montana to Houston?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montana to Houston.
What documentation or ID do you need to fly to Houston?
The travel and health documents required for your trip to Houston can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Houston. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Montana to Houston

Compare and see reviews for airlines that fly from Montana to Houston with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $147	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
Southwest	PriceFrom $182	Free Cancellation	Rating 8.0 4,235 reviews	Search Southwest flights
United Airlines	PriceFrom $228	Free Cancellation	Rating 7.4 9,012 reviews	Search United Airlines flights
American Airlines	PriceFrom $268	Free Cancellation	Rating 7.2 11,045 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $305	Free Cancellation	Rating 8.0 11,268 reviews	Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Montana to Houston?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Montana to Houston. momondo saves you time and could save you money on your trip.

Can I find flights from Montana to Houston with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Houston from Montana with this policy.

How can momondo help me find flights from Montana to Houston?

Once you have performed a search for Montana to Houston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Montana to Houston right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Montana to Houston flights. All you need is a valid email address and we will do the rest; it is that quick and easy.