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Cheap flights from Montana to Houston from $165

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Houston departing on 7/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Montana to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:45 pm - 5:07 pm
BZN
-
IAH
3h 22mnonstop
United Airlines Logo
6:05 pm - 8:43 pm
IAH
-
BZN
3h 38mnonstop
$309United Airlines
Sat, Sep 5 - Sat, Sep 12
United Airlines Logo
4:32 pm - 11:56 pm
BZN
-
IAH
6h 24m
1 stop
United Airlines Logo
6:05 pm - 8:43 pm
IAH
-
BZN
3h 38mnonstop
$319United Airlines
Sat, Sep 5 - Sat, Sep 12
Southwest Logo
4:30 pm - 11:55 pm
BZN
-
HOU
6h 25m
1 stop
Southwest Logo
6:50 pm - 12:45 am
HOU
-
BZN
6h 55m
1 stop
$329Southwest
Thu, Jul 2 - Tue, Jul 7
Delta Logo
6:00 am - 1:37 pm
BZN
-
IAH
6h 37m
1 stop
Delta Logo
5:48 pm - 11:16 pm
IAH
-
BZN
6h 28m
1 stop
$329Delta
Fri, Aug 7 - Sun, Aug 16
Delta Logo
5:10 am - 1:27 pm
BIL
-
IAH
7h 17m
1 stop
Delta Logo
5:50 pm - 10:37 pm
IAH
-
BIL
5h 47m
1 stop
$329Delta
Sat, Aug 22 - Mon, Aug 31
Southwest Logo
10:15 am - 9:55 pm
BZN
-
HOU
10h 40m
2 stops
Southwest Logo
6:05 pm - 10:40 pm
HOU
-
BZN
5h 35m
1 stop
$334Southwest
Thu, Jul 2 - Tue, Jul 7
American Airlines Logo
6:45 am - 3:45 pm
BZN
-
HOU
8h 00m
1 stop
American Airlines Logo
4:14 pm - 8:39 pm
HOU
-
BZN
5h 25m
1 stop
$359American Airlines
Thu, Jul 2 - Tue, Jul 7
American Airlines Logo
6:26 am - 3:31 pm
BZN
-
IAH
8h 05m
1 stop
American Airlines Logo
5:00 am - 11:05 am
IAH
-
BZN
7h 05m
1 stop
$359American Airlines
Thu, Aug 13 - Thu, Aug 20
Alaska Airlines Logo
6:21 pm - 1:31 pm
BIL
-
IAH
18h 10m
1 stop
Alaska Airlines Logo
6:16 pm - 3:02 pm
IAH
-
BIL
21h 46m
1 stop
$374Alaska Airlines
Thu, Aug 20 - Sat, Aug 29
Alaska Airlines Logo
2:03 pm - 11:59 pm
FCA
-
IAH
8h 56m
1 stop
Alaska Airlines Logo
6:09 am - 12:21 pm
IAH
-
FCA
7h 12m
1 stop
$383Alaska Airlines
Sat, Oct 24 - Tue, Oct 27

Southwest flights from Montana to Houston

Our best Southwest deals on Montana to Houston flight tickets
Southwest
Jul 2
BZN4:30 pmBozeman Gallatin Field
6h 25m
1 stop
HOU11:55 pmHouston Hobby
Jul 7
HOU4:30 pmHouston Hobby
7h 15m
1 stop
BZN10:45 pmBozeman Gallatin Field
$329
Southwest
Jul 2
BZN10:15 amBozeman Gallatin Field
10h 40m
2 stops
HOU9:55 pmHouston Hobby
Jul 7
HOU6:50 pmHouston Hobby
7h 00m
1 stop
BZN12:50 amBozeman Gallatin Field
$334
Southwest
Jul 29
BZN7:45 amBozeman Gallatin Field
8h 05m
2 stops
HOU4:50 pmHouston Hobby
Aug 2
HOU7:10 pmHouston Hobby
6h 05m
1 stop
BZN12:15 amBozeman Gallatin Field
$364

Delta flights from Montana to Houston

Our best Delta deals on Montana to Houston flight tickets
Delta
Aug 7
BZN6:00 amBozeman Gallatin Field
6h 37m
1 stop
IAH1:37 pmHouston George Bush Intcntl
Aug 16
IAH7:06 pmHouston George Bush Intcntl
5h 58m
1 stop
BZN12:04 amBozeman Gallatin Field
$329
Delta
Aug 7
BZN6:00 amBozeman Gallatin Field
6h 37m
1 stop
IAH1:37 pmHouston George Bush Intcntl
Aug 16
IAH5:34 amHouston George Bush Intcntl
10h 03m
2 stops
BZN2:37 pmBozeman Gallatin Field
$334
Delta
Sep 25
GTF5:40 amGreat Falls
6h 49m
1 stop
IAH1:29 pmHouston George Bush Intcntl
Sep 28
IAH7:35 amHouston George Bush Intcntl
6h 00m
1 stop
GTF12:35 pmGreat Falls
$338

momondo Fare Finder

 
Customize your flight search to find flights from Montana to Houston 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, momondo users made 832,500 searches. Data last updated May 26, 2026.
Use the filters below to find and compare flights from Montana to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

Sat 9/5

12:45 pm-5:07 pm

Nonstop3h 22m

Houston George Bush Intcntl

Sat 9/12

6:05 pm-8:43 pm

Nonstop3h 38m

$309

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

Sat 9/5

4:32 pm-11:56 pm

1 stop6h 24m

Houston George Bush Intcntl

Sat 9/12

6:05 pm-8:43 pm

Nonstop3h 38m

$319

BozemanHouston

BZN - HOU

BZNHOU

Bozeman Gallatin Field

Thu 7/2

4:30 pm-11:55 pm

1 stop6h 25m

Houston Hobby

Tue 7/7

6:50 pm-12:45 am

1 stop6h 55m

$329

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

Fri 8/7

6:00 am-1:37 pm

1 stop6h 37m

Houston George Bush Intcntl

Sun 8/16

5:48 pm-11:16 pm

1 stop6h 28m

$329

BillingsHouston

BIL - IAH

BILIAH

Billings Logan Intl

Sat 8/22

5:10 am-1:27 pm

1 stop7h 17m

Houston George Bush Intcntl

Mon 8/31

5:50 pm-10:37 pm

1 stop5h 47m

$329

BozemanHouston

BZN - HOU

BZNHOU

Bozeman Gallatin Field

Thu 7/2

10:15 am-9:55 pm

2 stops10h 40m

Houston Hobby

Tue 7/7

6:05 pm-10:40 pm

1 stop5h 35m

$334

BozemanHouston

BZN - HOU

BZNHOU

Bozeman Gallatin Field

Thu 7/2

6:45 am-3:45 pm

1 stop8h 00m

Houston Hobby

Tue 7/7

4:14 pm-8:39 pm

1 stop5h 25m

$359

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

Thu 8/13

6:26 am-3:31 pm

1 stop8h 05m

Houston George Bush Intcntl

Thu 8/20

5:00 am-11:05 am

1 stop7h 05m

$359

BillingsHouston

BIL - IAH

BILIAH

Billings Logan Intl

Thu 8/20

6:21 pm-1:31 pm

1 stop18h 10m

Houston George Bush Intcntl

Sat 8/29

6:16 pm-3:02 pm

1 stop21h 46m

$374

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Sat 10/24

2:03 pm-11:59 pm

1 stop8h 56m

Houston George Bush Intcntl

Tue 10/27

6:09 am-12:21 pm

1 stop7h 12m

$383

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Houston from

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

What is the cheapest month to fly to Houston?

The month of April is, on average, the cheapest month to fly to Houston from Montana, with most prices found around $118. The month of March is another great option to travel to Houston, with average flight prices from Montana averaging around $119.

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 at noon. Our users have found flights to Houston at noon for as low as $433. Try not to purchase tickets in the morning because they tend to be around $507. 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 Bozeman Gallatin Field 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 21m

Direct flights

Mon and Sun

Airports in Houston

2 airports
The fastest flight from Montana to Houston takes 3h 21m
Direct flights go from Montana to Houston on Monday and Sunday. There are no airlines offering direct flights.
There are 2 airports in Houston. From Montana there are direct flights to Houston George Bush Intcntl (IAH).
Search flight deals

Frequently asked questions about flying from Montana to Houston

  • 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?

  • 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
DeltaPriceFrom $118Free CancellationRating
7.9
8,425 reviews
Search Delta flights
SouthwestPriceFrom $228Free CancellationRating
8.0
4,266 reviews
Search Southwest flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
9,749 reviews
Search United Airlines flights
American AirlinesPriceFrom $246Free CancellationRating
7.1
11,629 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $303Free CancellationRating
7.9
12,418 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.

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