$142 Cheap Flights from Houston (IAH) to Missoula (MSO)

View $142 flight on Mon, Nov 24, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Missoula Intl. Airport (MSO)

Cheap Flights from Houston to Missoula (IAH-MSO)

Prices were available within the past 7 days and start at $142 for one-way flights and $292 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Nov 24 - Mon, Dec 1
IAH
Houston
MSO
Missoula
$292 Roundtrip, found 3 days ago
$292
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Nov 24 from Houston to Missoula, returning Mon, Dec 1, priced at $292 found 3 days ago
Hawaiian Airlines
Tue, Feb 3 - Tue, Feb 10
IAH
Houston
MSO
Missoula
$322 Roundtrip, found 23 hours ago
$322
Roundtrip
found 23 hours ago
Select Hawaiian Airlines flight, departing Tue, Feb 3 from Houston to Missoula, returning Tue, Feb 10, priced at $322 found 23 hours ago
Alaska Airlines
Wed, Dec 17 - Tue, Jan 6
IAH
Houston
MSO
Missoula
$322 Roundtrip, found 1 day ago
$322
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Dec 17 from Houston to Missoula, returning Tue, Jan 6, priced at $322 found 1 day ago
Hawaiian Airlines
Tue, Mar 3 - Tue, Mar 10
IAH
Houston
MSO
Missoula
$328 Roundtrip, found 2 hours ago
$328
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Tue, Mar 3 from Houston to Missoula, returning Tue, Mar 10, priced at $328 found 2 hours ago
Frontier Airlines
Fri, Nov 21 - Mon, Dec 1
IAH
Houston
MSO
Missoula
$332 Roundtrip, found 3 days ago
$332
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Nov 21 from Houston to Missoula, returning Mon, Dec 1, priced at $332 found 3 days ago
Hawaiian Airlines
Wed, Jan 28 - Wed, Feb 4
IAH
Houston
MSO
Missoula
$336 Roundtrip, found 6 days ago
$336
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Wed, Jan 28 from Houston to Missoula, returning Wed, Feb 4, priced at $336 found 6 days ago
Hawaiian Airlines
Wed, Mar 4 - Tue, Mar 10
IAH
Houston
MSO
Missoula
$338 Roundtrip, found 2 hours ago
$338
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Wed, Mar 4 from Houston to Missoula, returning Tue, Mar 10, priced at $338 found 2 hours ago
American Airlines
Wed, Jan 28 - Tue, Feb 3
IAH
Houston
MSO
Missoula
$338 Roundtrip, found 6 days ago
$338
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Jan 28 from Houston to Missoula, returning Tue, Feb 3, priced at $338 found 6 days ago
United
Wed, Jan 28 - Tue, Feb 3
IAH
Houston
MSO
Missoula
$339 Roundtrip, found 6 days ago
$339
Roundtrip
found 6 days ago
Select United flight, departing Wed, Jan 28 from Houston to Missoula, returning Tue, Feb 3, priced at $339 found 6 days ago
Delta
Tue, Nov 18 - Tue, Dec 2
IAH
Houston
MSO
Missoula
$339 Roundtrip, found 6 days ago
$339
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Nov 18 from Houston to Missoula, returning Tue, Dec 2, priced at $339 found 6 days ago

Find the cheapest month to fly from Houston (IAH) to Missoula (MSO)

June is typically the cheapest month to fly

From $246 - $573 per traveler.

Alternative airports near Missoula

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Missoula Intl. MSO. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $455
MSO
Missoula Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $455

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Missoula Intl. Airport (MSO) cost?
Get a cheap one-way flight from $142 or cheap return flight from $292 from George Bush Intercontinental Airport (IAH) to Missoula Intl. Airport (MSO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to Missoula Intl. Airport (MSO)?
Planning your getaway for November is a great way to save, as it's the cheapest month for flights between IAH and MSO. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Missoula Intl. Airport (MSO)?
To find the cheapest airline that'll fly you from IAH to MSO, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from George Bush Intercontinental Airport (IAH) to Missoula Intl. Airport (MSO)?
You'll need to take a flight with a layover when traveling from George Bush Intercontinental Airport (IAH) to Missoula Intl. Airport (MSO). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from IAH to MSO?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on a range of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Missoula Intl. Airport (MSO)?
To touch down at Missoula Intl. Airport (MSO) on schedule, choose a flight that takes off from George Bush Intercontinental Airport (IAH) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from George Bush Intercontinental Airport (IAH) to Missoula Intl. Airport (MSO) last-minute?
Booking your flight from IAH to MSO just before your getaway is usually more expensive. But if there's some wiggle room with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book an IAH to MSO flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAH to MSO flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the stress out of planning your trip. Just pick your flights and choose from our extensive range of hotels, then tailor your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Missoula Intl. Airport (MSO)?
Generally, it's possible to cancel or reschedule your IAH to MSO flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Missoula Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, United
Roundtrip price
$292
Distance
1539 mi

Book with confidence

Houston to Missoula Flights

The cheapest times to fly from Houston to Missoula

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to Missoula are during the month of November. You can find some of the cheapest flights from Houston to Missoula with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Missoula

Sunday is one of the best days to book for cheap flights from Houston to Missoula: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Houston to Missoula

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to Missoula in 2025. You can also book with separate airlines for your outbound and return journeys, from $142 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to Missoula flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to Missoula airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Houston to Missoula Flights

Explore a world of travel with Expedia

*Available to One Key members.