$163 Cheap Flights from Houston (IAH) to Missoula (MSO)

View $163 flight on Mon, Oct 13, 2025Opens in a new window

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

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Cheap Flights from Houston to Missoula (IAH-MSO)

Prices were available within the past 7 days and start at $163 for one-way flights and $295 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Oct 17 - Mon, Oct 20
IAH
Houston
MSO
Missoula
$295 Roundtrip, found 2 days ago
$295
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Oct 17 from Houston to Missoula, returning Mon, Oct 20, priced at $295 found 2 days ago
Frontier Airlines
Mon, Oct 13 - Fri, Oct 17
IAH
Houston
MSO
Missoula
$305 Roundtrip, found 3 days ago
$305
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Oct 13 from Houston to Missoula, returning Fri, Oct 17, priced at $305 found 3 days ago
Frontier Airlines
Mon, Oct 13 - Mon, Oct 20
IAH
Houston
MSO
Missoula
$326 Roundtrip, found 2 days ago
$326
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Oct 13 from Houston to Missoula, returning Mon, Oct 20, priced at $326 found 2 days ago
Bargain Flight
Sat, Sep 20 - Sat, Sep 27
IAH
Houston
MSO
Missoula
$340 Roundtrip, found 6 hours ago
$340
Roundtrip
found 6 hours ago
Select Bargain Flight flight, departing Sat, Sep 20 from Houston to Missoula, returning Sat, Sep 27, priced at $340 found 6 hours ago
Hawaiian Airlines
Fri, Oct 31 - Tue, Nov 11
IAH
Houston
MSO
Missoula
$342 Roundtrip, found 1 day ago
$342
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Fri, Oct 31 from Houston to Missoula, returning Tue, Nov 11, priced at $342 found 1 day ago
Hawaiian Airlines
Wed, Sep 17 - Wed, Oct 8
IAH
Houston
MSO
Missoula
$348 Roundtrip, found 2 days ago
$348
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Wed, Sep 17 from Houston to Missoula, returning Wed, Oct 8, priced at $348 found 2 days ago
Bargain Flight
Wed, Oct 1 - Wed, Oct 8
IAH
Houston
MSO
Missoula
$349 Roundtrip, found 10 hours ago
$349
Roundtrip
found 10 hours ago
Select Bargain Flight flight, departing Wed, Oct 1 from Houston to Missoula, returning Wed, Oct 8, priced at $349 found 10 hours ago
Alaska Airlines
Sat, Sep 20 - Sat, Sep 27
IAH
Houston
MSO
Missoula
$353 Roundtrip, found 6 hours ago
$353
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Sat, Sep 20 from Houston to Missoula, returning Sat, Sep 27, priced at $353 found 6 hours ago
Alaska Airlines
Sat, Sep 27 - Sat, Oct 4
IAH
Houston
MSO
Missoula
$355 Roundtrip, found 22 hours ago
$355
Roundtrip
found 22 hours ago
Select Alaska Airlines flight, departing Sat, Sep 27 from Houston to Missoula, returning Sat, Oct 4, priced at $355 found 22 hours ago
United
Sat, Sep 20 - Sat, Sep 27
IAH
Houston
MSO
Missoula
$355 Roundtrip, found 6 hours ago
$355
Roundtrip
found 6 hours ago
Select United flight, departing Sat, Sep 20 from Houston to Missoula, returning Sat, Sep 27, priced at $355 found 6 hours ago

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

October is typically the cheapest month to fly

From $236 - $757 per traveler.

Graph displaying average flight prices per month

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 $431
MSO
Missoula Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $431
Flights from Houston (IAH) to Missoula (MSO)
Origin airport
George Bush Intercontinental
Destination airport
Missoula Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$294
Distance
1539 mi

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 October. 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 $163 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.

 

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 $163 or cheap return flight from $295 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 October 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.

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*Available to One Key members.