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

Alaska Airlines, Southwest, and Delta are the most popular carriers operating from Houston to Montana

What airlines fly to Montana?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Montana from Houston according to our data. United Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Montana. Keep in mind that there are 4 different airlines that fly to Montana on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Houston to Montana are updated daily.

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

As of May 2026, there are 4 operators available to choose from for flights from Houston to Montana.

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

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 Houston to Montana.

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

The required travel and health documents for your Montana trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Montana. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$138 Cheap Flights from Houston to Montana in 2026

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Find the cheapest flights from Houston to Montana

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:59 pm - 9:06 am

IAH

BZN

12h 07m

1 stop

12:01 pm - 12:09 am

BZN

IAH

11h 08m

2 stops

$322Multiple Airlines

Wed, Sep 30 - Sun, Oct 4

6:30 am - 1:32 pm

IAH

WYS

8h 02m

1 stop

5:45 pm - 11:59 pm

WYS

IAH

5h 14m

1 stop

$324United Airlines

Wed, Jun 3 - Sun, Jun 7

5:15 am - 10:35 am

HOU

BZN

6h 20m

1 stop

1:50 pm - 9:40 pm

BZN

HOU

6h 50m

1 stop

$329Southwest

Mon, Jun 22 - Fri, Jun 26

6:19 pm - 3:02 pm

IAH

BIL

21h 43m

1 stop

7:20 pm - 5:14 pm

BIL

IAH

20h 54m

1 stop

$331Alaska Airlines

Tue, Aug 18 - Tue, Aug 25

5:55 pm - 11:30 pm

HOU

BZN

6h 35m

1 stop

10:15 am - 9:55 pm

BZN

HOU

10h 40m

2 stops

$334Southwest

Mon, Jun 22 - Fri, Jun 26

5:57 pm - 2:54 pm

IAH

BIL

21h 57m

1 stop

7:21 pm - 6:20 am

BIL

IAH

9h 59m

1 stop

$335Alaska Airlines

Tue, Jun 2 - Tue, Jun 9

10:21 am - 10:35 pm

IAH

BIL

13h 14m

2 stops

5:10 am - 1:37 pm

BIL

IAH

7h 27m

1 stop

$336Delta

Tue, Aug 18 - Tue, Aug 25

5:40 pm - 11:20 pm

IAH

BIL

6h 40m

1 stop

5:20 am - 1:31 pm

BIL

IAH

7h 11m

1 stop

$339Delta

Fri, Jul 31 - Sun, Aug 2

9:28 am - 3:00 pm

IAH

FCA

6h 32m

1 stop

1:35 pm - 11:59 pm

FCA

IAH

9h 24m

1 stop

$379American Airlines

Mon, Jun 1 - Mon, Jun 8

6:03 am - 11:35 am

HOU

FCA

6h 32m

1 stop

12:25 pm - 7:51 pm

FCA

HOU

6h 26m

1 stop

$389American Airlines

Thu, May 28 - Mon, Jun 1

Delta flights from Houston to Montana

Our best Delta deals on Houston to Montana flight tickets

Delta

Aug 18

IAH5:48 pmHouston George Bush Intcntl

6h 25m

1 stop

BIL11:13 pmBillings Logan Intl

Aug 25

BIL6:26 amBillings Logan Intl

5h 39m

1 stop

IAH1:05 pmHouston George Bush Intcntl

$329

Delta

Aug 18

IAH10:21 amHouston George Bush Intcntl

13h 14m

2 stops

BIL10:35 pmBillings Logan Intl

Aug 26

BIL11:51 amBillings Logan Intl

5h 11m

1 stop

IAH6:02 pmHouston George Bush Intcntl

$334

Delta

Aug 18

IAH10:21 amHouston George Bush Intcntl

13h 14m

2 stops

BIL10:35 pmBillings Logan Intl

Aug 25

BIL5:10 amBillings Logan Intl

7h 27m

1 stop

IAH1:37 pmHouston George Bush Intcntl

$336

Southwest flights from Houston to Montana

Our best Southwest deals on Houston to Montana flight tickets

Southwest

Jun 22

HOU5:15 amHouston Hobby

6h 20m

1 stop

BZN10:35 amBozeman Gallatin Field

Jun 26

BZN1:50 pmBozeman Gallatin Field

6h 50m

1 stop

HOU9:40 pmHouston Hobby

$329

Southwest

Jun 22

HOU5:55 pmHouston Hobby

6h 35m

1 stop

BZN11:30 pmBozeman Gallatin Field

Jun 26

BZN10:15 amBozeman Gallatin Field

10h 40m

2 stops

HOU9:55 pmHouston Hobby

$334

Southwest

Jun 9

HOU4:30 pmHouston Hobby

7h 10m

1 stop

BZN10:40 pmBozeman Gallatin Field

Jun 16

BZN3:55 pmBozeman Gallatin Field

6h 35m

1 stop

HOU11:30 pmHouston Hobby

$339

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonBozeman

IAH - BZN

IAHBZN

Houston George Bush Intcntl

Wed 9/30

9:59 pm-9:06 am

1 stop12h 07m

Bozeman Gallatin Field

Sun 10/4

12:01 pm-12:09 am

2 stops11h 08m

$322

HoustonWest Yellowstone

IAH - WYS

IAHWYS

Houston George Bush Intcntl

Wed 6/3

6:30 am-1:32 pm

1 stop8h 02m

West Yellowstone

Sun 6/7

5:45 pm-11:59 pm

1 stop5h 14m

$324

HoustonBozeman

HOU - BZN

HOUBZN

Houston Hobby

Mon 6/22

5:15 am-10:35 am

1 stop6h 20m

Bozeman Gallatin Field

Fri 6/26

1:50 pm-9:40 pm

1 stop6h 50m

$329

HoustonBillings

IAH - BIL

IAHBIL

Houston George Bush Intcntl

Tue 8/18

6:19 pm-3:02 pm

1 stop21h 43m

Billings Logan Intl

Tue 8/25

7:20 pm-5:14 pm

1 stop20h 54m

$331

HoustonBozeman

HOU - BZN

HOUBZN

Houston Hobby

Mon 6/22

5:55 pm-11:30 pm

1 stop6h 35m

Bozeman Gallatin Field

Fri 6/26

10:15 am-9:55 pm

2 stops10h 40m

$334

HoustonBillings

IAH - BIL

IAHBIL

Houston George Bush Intcntl

Tue 6/2

5:57 pm-2:54 pm

1 stop21h 57m

Billings Logan Intl

Tue 6/9

7:21 pm-6:20 am

1 stop9h 59m

$335

HoustonBillings

IAH - BIL

IAHBIL

Houston George Bush Intcntl

Tue 8/18

10:21 am-10:35 pm

2 stops13h 14m

Billings Logan Intl

Tue 8/25

5:10 am-1:37 pm

1 stop7h 27m

$336

HoustonBillings

IAH - BIL

IAHBIL

Houston George Bush Intcntl

Fri 7/31

5:40 pm-11:20 pm

1 stop6h 40m

Billings Logan Intl

Sun 8/2

5:20 am-1:31 pm

1 stop7h 11m

$339

HoustonKalispell

IAH - FCA

IAHFCA

Houston George Bush Intcntl

Mon 6/1

9:28 am-3:00 pm

1 stop6h 32m

Kalispell Glacier Park

Mon 6/8

1:35 pm-11:59 pm

1 stop9h 24m

$379

Quickest round-trip

HoustonKalispell

HOU - FCA

HOUFCA

Houston Hobby

Thu 5/28

6:03 am-11:35 am

1 stop6h 32m

Kalispell Glacier Park

Mon 6/1

12:25 pm-7:51 pm

1 stop6h 26m

$389

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 Houston to Montana

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

What is the cheapest month to fly to Montana?

The cheapest month to fly to Montana from Houston is in August. Flight prices, which tend to average around $118, are often lower during this time because this is during the off-season. The month of July is another great option to travel to Montana, with average flight prices from Houston averaging around $118.

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

The cheapest time of day to fly to Montana is in the afternoon when flights can be purchased for as low as $386. In the morning is when there is more demand to fly to Montana, so prices are often more expensive at around $393 per ticket.

What is the cheapest Houston to Montana flight route?

Fly from Houston George Bush Intcntl to Bozeman Gallatin Field for the best Houston - Montana flight prices

How far in advance should I book a flight from Houston to Montana?

You are more likely to see cheaper flights to Montana from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Montana for around $382 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montana from Houston for as low as $313 on momondo.

Cheap Houston to Montana flight deals and tips

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

Fastest flight time	3h 34m
Direct flights	Sat and Sun
Airports in Montana	32 airports

The fastest flight from Houston to Montana takes 3h 34m

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

There are 32 airports in Montana. From Houston there are direct flights to Kalispell Glacier Park (FCA), Bozeman Gallatin Field (BZN).

Search flight deals

Frequently asked questions about flying from Houston to Montana

When did momondo last update prices for flights from Houston to Montana?
Prices for flights from Houston to Montana are updated daily.
How many operators does momondo search for flights from Houston to Montana?
As of May 2026, there are 4 operators available to choose from for flights from Houston to Montana.
How old do you have to be to fly from Houston to Montana?
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 Houston to Montana.
What documentation or ID do you need to fly to Montana?
The required travel and health documents for your Montana trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Montana. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Houston to Montana

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

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $202	Free Cancellation	Rating 7.9 4,296 reviews	Search Southwest flights
Delta	PriceFrom $214	Free Cancellation	Rating 7.9 8,450 reviews	Search Delta flights
American Airlines	PriceFrom $216	Free Cancellation	Rating 7.1 11,662 reviews	Search American Airlines flights
United Airlines	PriceFrom $255	Free Cancellation	Rating 7.4 9,706 reviews	Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Houston to Montana flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Montana that suits you.

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

Flights from Houston to Montana with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Houston to Montana 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 Houston to Montana right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Montana, momondo offers a useful price alert feature which will track prices for flights to Montana from Houston and alert you when they change.