$169 Cheap Flights from Missoula (MSO) to Houston (IAH)

View $169 flight on Fri, Oct 10, 2025Opens in a new window

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

Cheap Flights from Missoula to Houston (MSO-IAH)

Prices were available within the past 7 days and start at $169 for one-way flights and $228 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Oct 13 - Mon, Oct 20
MSO
Missoula
IAH
Houston
$228 Roundtrip, found 1 day ago
$228
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Oct 13 from Missoula to Houston, returning Mon, Oct 20, priced at $228 found 1 day ago
Frontier Airlines
Fri, Oct 10 - Mon, Oct 13
MSO
Missoula
IAH
Houston
$246 Roundtrip, found 2 days ago
$246
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Oct 10 from Missoula to Houston, returning Mon, Oct 13, priced at $246 found 2 days ago
Frontier Airlines
Fri, Oct 17 - Mon, Oct 20
MSO
Missoula
IAH
Houston
$267 Roundtrip, found 2 days ago
$267
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Oct 17 from Missoula to Houston, returning Mon, Oct 20, priced at $267 found 2 days ago
Frontier Airlines
Mon, Oct 13 - Fri, Oct 17
MSO
Missoula
IAH
Houston
$279 Roundtrip, found 18 hours ago
$279
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Mon, Oct 13 from Missoula to Houston, returning Fri, Oct 17, priced at $279 found 18 hours ago
Frontier Airlines
Fri, Oct 10 - Mon, Oct 13
MSO
Missoula
IAH
Houston
$295 Roundtrip, found 2 days ago
$295
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Oct 10 from Missoula to Houston, returning Mon, Oct 13, priced at $295 found 2 days ago
Frontier Airlines
Fri, Oct 10 - Fri, Oct 17
MSO
Missoula
IAH
Houston
$302 Roundtrip, found 5 days ago
$302
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Fri, Oct 10 from Missoula to Houston, returning Fri, Oct 17, priced at $302 found 5 days ago
Hawaiian Airlines
Tue, Oct 28 - Sat, Nov 8
MSO
Missoula
IAH
Houston
$322 Roundtrip, found 1 day ago
$322
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Oct 28 from Missoula to Houston, returning Sat, Nov 8, priced at $322 found 1 day ago
Alaska Airlines
Sat, Nov 1 - Sat, Nov 8
MSO
Missoula
IAH
Houston
$342 Roundtrip, found 5 hours ago
$342
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Sat, Nov 1 from Missoula to Houston, returning Sat, Nov 8, priced at $342 found 5 hours ago
American Airlines
Tue, Dec 9 - Sat, Dec 13
MSO
Missoula
IAH
Houston
$353 Roundtrip, found 2 days ago
$353
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Dec 9 from Missoula to Houston, returning Sat, Dec 13, priced at $353 found 2 days ago
Delta
Tue, Oct 21 - Sat, Oct 25
MSO
Missoula
IAH
Houston
$353 Roundtrip, found 8 hours ago
$353
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Oct 21 from Missoula to Houston, returning Sat, Oct 25, priced at $353 found 8 hours ago

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

October is typically the cheapest month to fly

From $243 - $699 per traveler.

Alternative airports near Houston

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

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $442
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $442
Flights from Missoula (MSO) to Houston (IAH)
Origin airport
Missoula Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, United
Roundtrip price
$227
Distance
1539 mi

Missoula to Houston Flights

The cheapest times to fly from Missoula to Houston

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 Missoula to Houston are during the month of October. You can find some of the cheapest flights from Missoula to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Missoula to Houston

Sunday is one of the best days to book for cheap flights from Missoula to Houston: 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 Missoula to Houston

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 Missoula to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $169 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 Missoula to Houston 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 Missoula to Houston 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 Missoula Intl. Airport (MSO) to George Bush Intercontinental Airport (IAH) cost?
Get a cheap one-way flight from $169 or cheap return flight from $228 from Missoula Intl. Airport (MSO) to George Bush Intercontinental Airport (IAH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Missoula Intl. Airport (MSO) to George Bush Intercontinental Airport (IAH)?
The cheapest month to fly from MSO to IAH is October, when demand is low. Off-peak season is usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from Missoula Intl. Airport (MSO) to George Bush Intercontinental Airport (IAH)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from MSO to IAH. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Missoula Intl. Airport (MSO) to George Bush Intercontinental Airport (IAH)?
There aren't any daily nonstop flights departing from Missoula Intl. Airport (MSO) to George Bush Intercontinental Airport (IAH). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from MSO to IAH?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a number of factors, such as the airline 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 Missoula Intl. Airport (MSO) to George Bush Intercontinental Airport (IAH)?
To arrive at George Bush Intercontinental Airport (IAH) without delays, book a flight that leaves Missoula Intl. Airport (MSO) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Missoula Intl. Airport (MSO) to George Bush Intercontinental Airport (IAH) last-minute?
Booking your plane ticket from MSO to IAH right before your getaway is generally more expensive. However, if you're flexible with your travel times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a MSO to IAH flight and hotel package?
You'll typically save money by booking a MSO to IAH flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After selecting your ideal flights and accommodations, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Missoula Intl. Airport (MSO) to George Bush Intercontinental Airport (IAH)?
You can usually cancel or reschedule your MSO to IAH flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.