$85 Cheap flights from Lambert-St. Louis Intl. to Missoula Intl. (STL to MSO)

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Find The Best Dates To Fly from Lambert-St. Louis Intl. to Missoula Intl.

Amazing STL to MSO Flight Deals

The cheapest flights to Missoula Intl. found within the past 7 days were $180 round trip and $85 one way. Prices and availability subject to change. Additional terms may apply.

Thu, May 30 - Wed, Jun 5
STL
St. Louis
MSO
Missoula
$180 Roundtrip, found 5 days ago
$180
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Thu, May 30 from St. Louis to Missoula, returning Wed, Jun 5, priced at $180 found 5 days ago
Thu, May 30 - Fri, Jun 7
STL
St. Louis
MSO
Missoula
$184 Roundtrip, found 5 days ago
$184
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Thu, May 30 from St. Louis to Missoula, returning Fri, Jun 7, priced at $184 found 5 days ago
Thu, Jun 6 - Wed, Jun 12
STL
St. Louis
MSO
Missoula
$195 Roundtrip, found 3 days ago
$195
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Jun 6 from St. Louis to Missoula, returning Wed, Jun 12, priced at $195 found 3 days ago
Sun, Jun 2 - Wed, Jun 12
STL
St. Louis
MSO
Missoula
$199 Roundtrip, found 3 days ago
$199
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sun, Jun 2 from St. Louis to Missoula, returning Wed, Jun 12, priced at $199 found 3 days ago
Tue, Jul 30 - Sat, Aug 17
STL
St. Louis
MSO
Missoula
$204 Roundtrip, found 2 days ago
$204
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Jul 30 from St. Louis to Missoula, returning Sat, Aug 17, priced at $204 found 2 days ago
Tue, Jul 30 - Sat, Aug 10
STL
St. Louis
MSO
Missoula
$210 Roundtrip, found 2 days ago
$210
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Jul 30 from St. Louis to Missoula, returning Sat, Aug 10, priced at $210 found 2 days ago
Tue, Jun 4 - Wed, Jun 12
STL
St. Louis
MSO
Missoula
$213 Roundtrip, found 13 hours ago
$213
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Tue, Jun 4 from St. Louis to Missoula, returning Wed, Jun 12, priced at $213 found 13 hours ago
Fri, Jun 7 - Wed, Jun 12
STL
St. Louis
MSO
Missoula
$217 Roundtrip, found 13 hours ago
$217
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Fri, Jun 7 from St. Louis to Missoula, returning Wed, Jun 12, priced at $217 found 13 hours ago
Tue, Jul 30 - Fri, Aug 9
STL
St. Louis
MSO
Missoula
$224 Roundtrip, found 2 days ago
$224
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Jul 30 from St. Louis to Missoula, returning Fri, Aug 9, priced at $224 found 2 days ago
Tue, Jun 4 - Fri, Jun 7
STL
St. Louis
MSO
Missoula
$228 Roundtrip, found 3 days ago
$228
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tue, Jun 4 from St. Louis to Missoula, returning Fri, Jun 7, priced at $228 found 3 days ago

Frequently asked questions

Can I catch a flight from Lambert Field to Missoula Intl. Airport (MSO) right now?
Make sure you go to our Covid-19 Travel Advisor to learn if there are any present travel advice reports and quarantine requirements in place in Missoula Intl. Airport when flying in from STL.
Are there direct flights from Lambert-St. Louis Intl. Airport (STL) to Missoula Intl. Airport?
Unfortunately, there aren’t any direct flights from Lambert-St. Louis Intl. Airport (STL) to Missoula Intl. Airport. However, we can direct you to airlines advertising flights with just one stopover. Try American Airlines, United Airlines or Delta.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Missoula Intl. Airport (MSO), please visit our Customer Service Portal.
How long is the flight from STL to Missoula Intl. Airport?
The flight between Lambert-St. Louis Intl. Airport (STL) and Missoula Intl. Airport is around 5 hours and 1 minute. Make your trip more enjoyable by downloading a few episodes on your laptop or tablet and enjoying them with your seat fully reclined.
What is the flight distance from Lambert-St. Louis Intl. Airport (STL) to Missoula Intl. Airport (MSO)?
Between Lambert Field and Missoula Intl. Airport (MSO), the flight distance is roughly 1,300 mi. So, fasten your seat belt and settle in. You’ve got some important choices to make — watch an in-flight movie, finish your novel or get some beauty sleep?
What airlines fly from STL to Missoula Intl. Airport?
There are currently no airlines offering a direct flight between Lambert-St. Louis Intl. Airport (STL) and Missoula Intl. Airport (MSO). Save time and avoid unnecessary layovers by researching the quickest routes in advance.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Delta, United Airlines or Alaska Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
Lambert-St. Louis Intl.
Traveling To
Missoula Intl.
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$180

Route Info

Flight path for flights from Lambert-St. Louis International Airport to Missoula International Airport.


Origin:
STL - Lambert-St. Louis International Airport
Destination:
MSO - Missoula International Airport
Distance:
1,597.00 miles


Discover our best flights from St. Louis STL to Missoula MSO. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from St. Louis STL to Missoula MSO at the right price  

Airfares to Missoula MSO from St. Louis STL currently cost between $180 and $228. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from St. Louis STL to Missoula MSO 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from St. Louis STL to Missoula MSO on Travelocity starting at $85. Prices and availability subject to change. Additional terms may apply. 

 

Get to Missoula MSO from St. Louis STL quicker with direct flights. 

Get to Missoula faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to MSO from STL to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from St. Louis STL to Missoula MSO

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to MSO from STL. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from St. Louis STL to Missoula MSO today 

If you’re flexible about when you travel, May is usually the cheapest month to fly from St. Louis STL to Missoula MSO. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Missoula MSO from St. Louis STL 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to MSO from STL have this option.  

 

Travel with confidence when you book flights to Missoula MSO from St. Louis STL with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.