Which airports can I use when flying from St. Louis to Missoula?

Flights from St. Louis to Missoula usually depart from Lambert-St Louis (STL) and arrive at Missoula Johnson-Bell Field (MSO).

What cabin classes can I book on flights from St. Louis to Missoula?

Only Economy Class is available on flights from St. Louis to Missoula.

Which airports do connecting flights from St. Louis to Missoula pass through?

One-stop flights from St. Louis to Missoula most commonly connect through: • Denver Intl (DEN) - 57% of one-stop connections • Salt Lake City (SLC) - 37% of one-stop connections • Dallas/Fort Worth (DFW) - 4% of one-stop connections • Chicago O'Hare Intl (ORD) - 2% of one-stop connections Denver Intl (DEN) handles the largest share of one-stop connections on this route.

Can I save money by using flexible dates for flights from St. Louis to Missoula?

Yes. Being flexible with your travel dates can save you up to 43% on the St. Louis to Missoula route. Tuesday is the cheapest departure day at $423 round-trip on average, while Thursday is the most expensive at $735, a difference of $312. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

How long is a flight from St. Louis to Missoula?

A nonstop flight from St. Louis to Missoula takes 0h 00m, covering 1,320 miles.

Do I need a passport to fly from St. Louis to Missoula?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Have flight prices from St. Louis to Missoula changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $475 to $1,422. That means the highest observed fare was about 3x higher than the lowest one.

How are flight prices from St. Louis to Missoula looking right now?

One-way fares from St. Louis to Missoula are currently higher than usual. Average one-way flight prices are about $289, which is 9% above the typical average for this route.

How much time can I save by choosing a different layover airport from St. Louis to Missoula?

Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 5h 30m, compared with 5h 38m via Salt Lake City (SLC) and 5h 52m via Chicago O'Hare Intl (ORD).

What is the time difference between St. Louis and Missoula?

Missoula is 1 hour behind St. Louis (Mountain Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Missoula Johnson-Bell Field Airport (MSO)?

Missoula Johnson-Bell Field Airport (MSO) hosts 5 major car rental companies, with daily rates starting from around $22 for economy cars. Top options include: • Dollar • Budget • Hertz • Thrifty • Avis

How much should I expect to pay for a St. Louis to Missoula flight?

Round-trip flights from St. Louis to Missoula range from $384 to $692, with an average of $481 over the past 12 months. Anything below $384 counts as a good deal.

What is the cheapest airline to fly from St. Louis to Missoula?

Delta ($461) and United Airlines ($475) are the cheapest airlines to fly round-trip from St. Louis to Missoula according to KAYAK data over the last 5 days.

What is the most popular layover airport when flying from St. Louis to Missoula?

Denver Intl (DEN) is the most popular layover for the St. Louis to Missoula route. 57% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via DEN.

What is the cheapest layover airport when flying from St. Louis to Missoula?

Flights via Chicago O'Hare Intl (ORD) offer the most affordable fares, with an average round-trip price of $380. Based on KAYAK data over the past 3 months.

When flying from St. Louis to Missoula which airport offers the shortest layover?

Denver Intl (DEN) had the shortest average connection time for St. Louis to Missoula layovers at 191 minutes over the past 3 months.

$216 CHEAP FLIGHTS from St. Louis to Missoula (STL - MSO)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$461

Typical prices: $384-$692

Delta

Sun 10/7Sun 10/14

STL - MSO • 1 stop

Cheapest one-way

$216

Typical prices: $214-$298

Multiple Airlines

Fri 10/12

STL - MSO • 2 stops

Nonstop flights

Not available

There are currently no direct flights between St. Louis and Missoula. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

March

Cheapest • 47% price drop

July

Most popular

Good to know

Top layover airports

Chicago O'Hare Intl (ORD)

Cheapest • Avg $380 (round-trip)

Denver Intl (DEN)

Shortest trip • 5h 30m (one-way)

Insights

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Flight Deals

Cheap Flights from St. Louis to Missoula (STL-MSO)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from St. Louis to Missoula

Wed, Oct 7 - Wed, Oct 14

7:00 pm - 12:31 amSTL Lambert-St Louis-MSO Missoula Johnson-Bell Field

6h 31m1 stop Salt Lake City

6:23 pm - 12:44 amMSO Missoula Johnson-Bell Field-STL Lambert-St Louis

5h 21m1 stop Salt Lake City

$461Delta

Sat, Feb 6 - Tue, Feb 9

3:54 pm - 10:58 pmSTL Lambert-St Louis-MSO Missoula Johnson-Bell Field

8h 04m1 stop Seattle/Tacoma Intl

7:03 am - 2:56 pmMSO Missoula Johnson-Bell Field-STL Lambert-St Louis

6h 53m1 stop Seattle/Tacoma Intl

$475Alaska Airlines

Thu, Oct 29 - Sun, Nov 1

8:50 am - 1:31 pmSTL Lambert-St Louis-MSO Missoula Johnson-Bell Field

5h 41m1 stop Denver Intl

6:15 am - 12:38 pmMSO Missoula Johnson-Bell Field-STL Lambert-St Louis

5h 23m1 stop Denver Intl

$475United Airlines

Thu, Feb 18 - Sun, Feb 21

3:45 pm - 8:12 pmSTL Lambert-St Louis-MSO Missoula Johnson-Bell Field

5h 27m1 stop Minneapolis St Paul

5:40 am - 1:23 pmMSO Missoula Johnson-Bell Field-STL Lambert-St Louis

6h 43m1 stop Salt Lake City

$475Delta

Thu, Oct 29 - Sun, Nov 1

6:00 am - 1:31 pmSTL Lambert-St Louis-MSO Missoula Johnson-Bell Field

8h 31m2 stops Chicago O'Hare Intl Denver Intl

2:37 pm - 9:01 pmMSO Missoula Johnson-Bell Field-STL Lambert-St Louis

5h 24m1 stop Denver Intl

$480United Airlines

Thu, Feb 18 - Sun, Feb 21

3:45 pm - 8:12 pmSTL Lambert-St Louis-MSO Missoula Johnson-Bell Field

5h 27m1 stop Minneapolis St Paul

5:40 am - 4:54 pmMSO Missoula Johnson-Bell Field-STL Lambert-St Louis

10h 14m2 stops Salt Lake City Minneapolis St Paul

$480Delta

Tue, Oct 20 - Mon, Oct 26

7:00 pm - 12:31 amSTL Lambert-St Louis-MSO Missoula Johnson-Bell Field

6h 31m1 stop Salt Lake City

6:23 pm - 12:44 amMSO Missoula Johnson-Bell Field-STL Lambert-St Louis

5h 21m1 stop Salt Lake City

$481Delta

Thu, Oct 29 - Sun, Nov 1

6:00 am - 4:26 pmSTL Lambert-St Louis-MSO Missoula Johnson-Bell Field

11h 26m2 stops Chicago O'Hare Intl Denver Intl

6:15 am - 3:43 pmMSO Missoula Johnson-Bell Field-STL Lambert-St Louis

8h 28m2 stops Denver Intl Chicago O'Hare Intl

$485United Airlines

Sat, Feb 6 - Tue, Feb 9

3:54 pm - 10:58 pmSTL Lambert-St Louis-MSO Missoula Johnson-Bell Field

8h 04m1 stop Seattle/Tacoma Intl

7:03 am - 2:56 pmMSO Missoula Johnson-Bell Field-STL Lambert-St Louis

6h 53m1 stop Seattle/Tacoma Intl

$495Alaska Airlines

Sun, Nov 22 - Fri, Nov 27

2:48 pm - 9:29 pmSTL Lambert-St Louis-MSO Missoula Johnson-Bell Field

7h 41m1 stop Dallas/Fort Worth

6:50 am - 1:58 pmMSO Missoula Johnson-Bell Field-STL Lambert-St Louis

6h 08m1 stop Dallas/Fort Worth

$509American Airlines

Booking Insights

Price, demand and travel trends for St. Louis to Missoula flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from St. Louis to Missoula with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from St. Louis to Missoula?

Round-trip flights from St. Louis to Missoula start at $461. Prices are typical for this route right now, with typical round-trip fares ranging from $384 to $692. The lowest price found in the past 5 days was $461 on Delta.

What's the cheapest day of the week to fly from St. Louis to Missoula?

Tuesday is the cheapest day of the week to fly from St. Louis to Missoula, it is 13% cheaper than the average day. Thursday is the most expensive day with flight prices 52% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Low season	January
High season	July
Cheapest flight	$216

Most popular time to fly with an average 44% increase in price.

Flight from St. Louis to Missoula

When to book flights from St. Louis to Missoula

Are your dates flexible? Find out the best times to travel from St. Louis to Missoula based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from St. Louis to Missoula?
Flights from St. Louis to Missoula usually depart from Lambert-St Louis (STL) and arrive at Missoula Johnson-Bell Field (MSO).
What cabin classes can I book on flights from St. Louis to Missoula?
Only Economy Class is available on flights from St. Louis to Missoula.
Which airports do connecting flights from St. Louis to Missoula pass through?
One-stop flights from St. Louis to Missoula most commonly connect through:

• Denver Intl (DEN) - 57% of one-stop connections
• Salt Lake City (SLC) - 37% of one-stop connections
• Dallas/Fort Worth (DFW) - 4% of one-stop connections
• Chicago O'Hare Intl (ORD) - 2% of one-stop connections

Denver Intl (DEN) handles the largest share of one-stop connections on this route.
Can I save money by using flexible dates for flights from St. Louis to Missoula?
Yes. Being flexible with your travel dates can save you up to 43% on the St. Louis to Missoula route. Tuesday is the cheapest departure day at $423 round-trip on average, while Thursday is the most expensive at $735, a difference of $312. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How long is a flight from St. Louis to Missoula?
A nonstop flight from St. Louis to Missoula takes 0h 00m, covering 1,320 miles.
Do I need a passport to fly from St. Louis to Missoula?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
Have flight prices from St. Louis to Missoula changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $475 to $1,422. That means the highest observed fare was about 3x higher than the lowest one.
How are flight prices from St. Louis to Missoula looking right now?
One-way fares from St. Louis to Missoula are currently higher than usual. Average one-way flight prices are about $289, which is 9% above the typical average for this route.
How much time can I save by choosing a different layover airport from St. Louis to Missoula?
Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 5h 30m, compared with 5h 38m via Salt Lake City (SLC) and 5h 52m via Chicago O'Hare Intl (ORD).
What is the time difference between St. Louis and Missoula?
Missoula is 1 hour behind St. Louis (Mountain Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Missoula Johnson-Bell Field Airport (MSO)?
Missoula Johnson-Bell Field Airport (MSO) hosts 5 major car rental companies, with daily rates starting from around $22 for economy cars. Top options include:
• Dollar
• Budget
• Hertz
• Thrifty
• Avis
How much should I expect to pay for a St. Louis to Missoula flight?
Round-trip flights from St. Louis to Missoula range from $384 to $692, with an average of $481 over the past 12 months. Anything below $384 counts as a good deal.

If your dates can be flexible, aim for a Tuesday departure instead of Thursday. On this route, Tuesday flights average $423 - about $312 less than Thursday (42% savings) based on the last 12 months.
If you can choose when to travel, plan your St. Louis to Missoula trip for March. Fares historically average $257 round-trip in that month - typically $436 less than the most expensive month, which is July (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Missoula Johnson-Bell Field Airport.
- Fairfield Inn & Suites by Marriott Missoula
- StoneCreek Lodge

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STL - MSO

$216 Find Cheap Flights from St. Louis to Missoula - Compare and Save

Everything you should know

Cheap Flights from St. Louis to Missoula (STL-MSO)

Recent round-trip flight deals from St. Louis to Missoula

Recent one-way flight deals from St. Louis to Missoula

Recent last minute flight deals from St. Louis to Missoula

Price, demand and travel trends for St. Louis to Missoula flights

How much is a round-trip flight from St. Louis to Missoula?

What's the cheapest day of the week to fly from St. Louis to Missoula?

What is the cheapest airline to fly from St. Louis to Missoula?

What is the most popular layover airport when flying from St. Louis to Missoula?

What is the cheapest layover airport when flying from St. Louis to Missoula?

When flying from St. Louis to Missoula which airport offers the shortest layover?

Key details for St. Louis to Missoula flights

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High season

Cheapest flight

When to book flights from St. Louis to Missoula

Your St. Louis to Missoula flight questions, answered

Your guide to booking St. Louis to Missoula flights

More options for your flight from St. Louis to Missoula

Complete your trip to Missoula with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from St. Louis to Missoula

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Flights from domestic origins to Missoula

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