Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Montana to Houston from $121

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 3/28. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Montana to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:15 am - 11:50 am
BIL
-
IAH
5h 35m
1 stop
Delta Logo
12:41 pm - 5:41 pm
IAH
-
BIL
6h 00m
1 stop
$241Delta
Sun, Apr 5 - Wed, Apr 8
Delta Logo
5:15 am - 11:50 am
BIL
-
IAH
5h 35m
1 stop
Delta Logo
6:45 am - 5:41 pm
IAH
-
BIL
11h 56m
2 stops
$246Delta
Sun, Apr 5 - Wed, Apr 8
Alaska Airlines Logo
7:26 pm - 5:21 am
BZN
-
IAH
8h 55m
1 stop
Alaska Airlines Logo
7:00 am - 11:57 pm
IAH
-
BZN
17h 57m
1 stop
$263Alaska Airlines
Wed, Mar 25 - Wed, Apr 1
United Airlines Logo
4:30 pm - 10:46 pm
BZN
-
IAH
5h 16m
1 stop
United Airlines Logo
6:00 am - 12:20 pm
IAH
-
BZN
7h 20m
1 stop
$269United Airlines
Thu, Mar 26 - Mon, Mar 30
American Airlines Logo
1:47 pm - 8:24 pm
BZN
-
IAH
5h 37m
1 stop
American Airlines Logo
6:02 am - 12:38 pm
IAH
-
BZN
7h 36m
1 stop
$274American Airlines
Tue, Mar 24 - Fri, Apr 3
United Airlines Logo
9:24 am - 7:10 pm
BTM
-
IAH
8h 46m
1 stop
United Airlines Logo
4:32 pm - 10:22 pm
IAH
-
BTM
6h 50m
1 stop
$284United Airlines
Sat, Apr 11 - Sat, Apr 18
Alaska Airlines Logo
4:04 pm - 1:27 pm
BZN
-
IAH
20h 23m
1 stop
Alaska Airlines Logo
4:51 pm - 3:24 pm
IAH
-
BZN
23h 33m
2 stops
$291Alaska Airlines
Wed, Mar 25 - Wed, Apr 1
American Airlines Logo
3:36 pm - 11:52 pm
BZN
-
IAH
7h 16m
1 stop
American Airlines Logo
6:00 am - 12:53 pm
IAH
-
BZN
7h 53m
1 stop
$299American Airlines
Thu, Apr 2 - Tue, Apr 7
Multiple Airlines Logo
8:54 pm - 6:01 am
MSO
-
IAH
8h 07m
1 stop
Multiple Airlines Logo
9:33 pm - 8:04 pm
IAH
-
MSO
23h 31m
1 stop
$305Multiple Airlines
Fri, May 15 - Sun, May 17
Multiple Airlines Logo
8:54 pm - 6:01 am
MSO
-
IAH
8h 07m
1 stop
Multiple Airlines Logo
12:57 pm - 8:04 pm
IAH
-
MSO
8h 07m
1 stop
$316Multiple Airlines
Fri, May 15 - Mon, May 18

Delta flights from Montana to Houston George Bush Intcntl Airport

Our best Delta deals on Montana to Houston George Bush Intcntl Airport flight tickets
Delta
Apr 5
BIL5:15 amBillings Logan Intl
5h 35m
1 stop
IAH11:50 amHouston George Bush Intcntl
Apr 8
IAH12:41 pmHouston George Bush Intcntl
6h 00m
1 stop
BIL5:41 pmBillings Logan Intl
$241
Delta
Apr 5
BIL5:15 amBillings Logan Intl
5h 35m
1 stop
IAH11:50 amHouston George Bush Intcntl
Apr 8
IAH6:45 amHouston George Bush Intcntl
11h 56m
2 stops
BIL5:41 pmBillings Logan Intl
$246
Delta
Apr 21
BZN7:18 amBozeman Gallatin Field
13h 16m
2 stops
IAH9:34 pmHouston George Bush Intcntl
Apr 28
IAH6:25 amHouston George Bush Intcntl
7h 09m
1 stop
BZN12:34 pmBozeman Gallatin Field
$261

United Airlines flights from Montana to Houston George Bush Intcntl Airport

Our best United Airlines deals on Montana to Houston George Bush Intcntl Airport flight tickets
United Airlines
Mar 24
BZN2:43 pmBozeman Gallatin Field
5h 12m
1 stop
IAH8:55 pmHouston George Bush Intcntl
Mar 31
IAH6:00 amHouston George Bush Intcntl
7h 20m
1 stop
BZN12:20 pmBozeman Gallatin Field
$269
United Airlines
Apr 11
BTM9:24 amButte Silver Bow Co
8h 46m
1 stop
IAH7:10 pmHouston George Bush Intcntl
Apr 18
IAH4:32 pmHouston George Bush Intcntl
6h 50m
1 stop
BTM10:22 pmButte Silver Bow Co
$284
United Airlines
Mar 26
BZN4:30 pmBozeman Gallatin Field
5h 16m
1 stop
IAH10:46 pmHouston George Bush Intcntl
Mar 30
IAH6:00 amHouston George Bush Intcntl
7h 20m
1 stop
BZN12:20 pmBozeman Gallatin Field
$286

momondo Fare Finder

 
Customize your flight search to find flights from Montana to Houston George Bush Intcntl Airport 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 February 25, 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

Fly to

Route

Depart

Return

Price

BillingsHouston

BIL - IAH

BILIAH

Billings Logan Intl

Sun 4/5

5:15 am-11:50 am

1 stop5h 35m

Houston George Bush Intcntl

Wed 4/8

12:41 pm-5:41 pm

1 stop6h 00m

$241

BillingsHouston

BIL - IAH

BILIAH

Billings Logan Intl

Sun 4/5

5:15 am-11:50 am

1 stop5h 35m

Houston George Bush Intcntl

Wed 4/8

6:45 am-5:41 pm

2 stops11h 56m

$246

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

Wed 3/25

7:26 pm-5:21 am

1 stop8h 55m

Houston George Bush Intcntl

Wed 4/1

7:00 am-11:57 pm

1 stop17h 57m

$263

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

Thu 3/26

4:30 pm-10:46 pm

1 stop5h 16m

Houston George Bush Intcntl

Mon 3/30

6:00 am-12:20 pm

1 stop7h 20m

$269

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

Tue 3/24

1:47 pm-8:24 pm

1 stop5h 37m

Houston George Bush Intcntl

Fri 4/3

6:02 am-12:38 pm

1 stop7h 36m

$274

ButteHouston

BTM - IAH

BTMIAH

Butte Silver Bow Co

Sat 4/11

9:24 am-7:10 pm

1 stop8h 46m

Houston George Bush Intcntl

Sat 4/18

4:32 pm-10:22 pm

1 stop6h 50m

$284

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

Wed 3/25

4:04 pm-1:27 pm

1 stop20h 23m

Houston George Bush Intcntl

Wed 4/1

4:51 pm-3:24 pm

2 stops23h 33m

$291

BozemanHouston

BZN - IAH

BZNIAH

Bozeman Gallatin Field

Thu 4/2

3:36 pm-11:52 pm

1 stop7h 16m

Houston George Bush Intcntl

Tue 4/7

6:00 am-12:53 pm

1 stop7h 53m

$299

MissoulaHouston

MSO - IAH

MSOIAH

Missoula Johnson-Bell Field

Fri 5/15

8:54 pm-6:01 am

1 stop8h 07m

Houston George Bush Intcntl

Sun 5/17

9:33 pm-8:04 pm

1 stop23h 31m

$305

MissoulaHouston

MSO - IAH

MSOIAH

Missoula Johnson-Bell Field

Fri 5/15

8:54 pm-6:01 am

1 stop8h 07m

Houston George Bush Intcntl

Mon 5/18

12:57 pm-8:04 pm

1 stop8h 07m

$316

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Houston from

How to get the cheapest flight ticket from Montana to Houston George Bush Intcntl Airport

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 George Bush Intcntl Airport?

The month of January is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Montana, with most prices found around $321. If you are unable to visit Houston George Bush Intcntl Airport during the month of January, then departing from Montana during the month September is also very affordable. Most momondo users find prices during this month for around $323.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart from Montana to Houston George Bush Intcntl Airport is on a Monday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Monday will often find tickets for as low as $394. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Sunday is $564.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that the cheapest Montana to Houston George Bush Intcntl Airport flights are usually those with departure times at noon. Our users have found flights to Houston George Bush Intcntl Airport at noon for as low as $438. 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 George Bush Intcntl flight route?

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

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

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

Can stopping save me money on Montana to Houston George Bush Intcntl Airport flights?

You could potentially save up to 59% on your flight if you consider stops on a Montana to Houston George Bush Intcntl Airport flight.

Cheap Montana to Houston George Bush Intcntl Airport flight deals and tips

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

Best Price Found

$253

Fastest flight time

3h 21m

Direct flights

Mon and Sun
The best one-way flight to Houston George Bush Intcntl Airport from Montana in the past 72 hours is $253. The best round-trip flight deal from Montana to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $375.
The fastest flight from Montana to Houston George Bush Intcntl Airport takes 3h 21m
Direct flights go from Montana to Houston George Bush Intcntl Airport on Monday and Sunday. There are no airlines offering direct flights.
Search flight deals

  • When did momondo last update prices for flights from Montana to Houston George Bush Intcntl Airport?

    Prices for flights from Montana to Houston George Bush Intcntl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Montana to Houston George Bush Intcntl Airport?

  • How old do you have to be to fly from Montana to Houston George Bush Intcntl Airport?

    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 George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The travel and health documents you'll need for your trip to Houston George Bush Intcntl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Houston George Bush Intcntl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Montana to Houston George Bush Intcntl Airport?

Best airlines flying from Montana to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from Montana to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $147Free CancellationRating
7.9
8,237 reviews
Search Delta flights
United AirlinesPriceFrom $203Free CancellationRating
7.4
9,348 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $303Free CancellationRating
8.0
11,959 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $333Free CancellationRating
7.2
11,352 reviews
Search American Airlines flights

Traveling to a place near Houston?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Montana to Houston for you.

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

Yes. momondo allows you to filter the results for Montana to Houston flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Montana and Houston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Houston from Montana are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Houston George Bush Intcntl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 3/27
Fri 4/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Houston