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

MSO — STL
Dec 12 — Dec 191

How to find the cheapest flight from Missoula (MSO) to St. Louis (STL)

All the information you need to plan the best MSO to STL flight in 2022: compare Missoula to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.

MSO - STL

Price

$303 - $917

STL

Temperature

32 - 80.6 °F

STL

Rainfall

2.2 - 4.7 inches

Popular inJulyHigh demand for flights, 36% potential price rise
Cheapest inJanuaryBest time to find cheap flights, 48% potential price drop
Round-trip from$303From Missoula Johnson-Bell Field to Lambert-St Louis
One-way from$294One-way flight from Missoula Johnson-Bell Field to Lambert-St Louis

What is the cheapest day to fly round-trip from Missoula to St. Louis?

Flights from Missoula to St. Louis are found to be more expensive on Tuesday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to St. Louis.

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

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, January can be a great choice for travel to St. Louis. Flights to St. Louis from Missoula in January are about $587 on average during January, but can be found for as low as $280.

When is the cheapest time to fly from Missoula to St. Louis (MSO - STL)?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 12% on flights from Missoula to St. Louis by exploring options for tickets at noon.

Cheap flights from Missoula to St. Louis in December, January 2022

The best prices found for MSO to STL flights for December, January
Dec 17 - Dec 19
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

1 stop

20h 55m
STL

Lambert-St Louis

MSO

Missoula Johnson-Bell Field

1 stop

23h 20m
$229

Multiple Airlines

Pick Dates

Deal found 12/5

Dec 17 - Dec 20
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

1 stop

20h 55m
STL

Lambert-St Louis

MSO

Missoula Johnson-Bell Field

1 stop

14h 16m
$321

Multiple Airlines

Pick Dates

Deal found 12/5

Dec 17 - Dec 21
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

1 stop

11h 44m
STL

Lambert-St Louis

MSO

Missoula Johnson-Bell Field

1 stop

24h 45m
$334

Multiple Airlines

Pick Dates

Deal found 12/5

Missoula to St. Louis 2022 flight deals

Cheap flights to St. Louis from Missoula found for this year
Dec 17 - Dec 19
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

1 stop

20h 55m
STL

Lambert-St Louis

MSO

Missoula Johnson-Bell Field

1 stop

23h 20m
$229

Multiple Airlines

Pick Dates

Deal found 12/5

Dec 17 - Dec 20
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

1 stop

20h 55m
STL

Lambert-St Louis

MSO

Missoula Johnson-Bell Field

1 stop

14h 16m
$321

Multiple Airlines

Pick Dates

Deal found 12/5

Dec 17 - Dec 21
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

1 stop

11h 44m
STL

Lambert-St Louis

MSO

Missoula Johnson-Bell Field

1 stop

24h 45m
$334

Multiple Airlines

Pick Dates

Deal found 12/5

Cheap United Airlines flights from Missoula to St. Louis

Jan 7 - Jan 21
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

1 stop

13h 09m
STL

Lambert-St Louis

MSO

Missoula Johnson-Bell Field

1 stop

8h 47m
$394

United Airlines

Pick Dates

Deal found 12/6

Jan 7 - Jan 21
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

1 stop

13h 09m
STL

Lambert-St Louis

MSO

Missoula Johnson-Bell Field

2 stops

32h 04m
$398

United Airlines

Pick Dates

Deal found 12/6

Jan 7 - Jan 14
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

1 stop

13h 09m
STL

Lambert-St Louis

MSO

Missoula Johnson-Bell Field

1 stop

24h 53m
$455

United Airlines

Pick Dates

Deal found 12/6

Cheap Delta flights from Missoula to St. Louis

Jan 7 - Jan 21
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

2 stops

9h 26m
STL

Lambert-St Louis

MSO

Missoula Johnson-Bell Field

2 stops

10h 53m
$405

Delta

Pick Dates

Deal found 12/6

Dec 27 - Jan 2
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

1 stop

7h 12m
STL

Lambert-St Louis

MSO

Missoula Johnson-Bell Field

1 stop

8h 34m
$531

Delta

Pick Dates

Deal found 12/7

Dec 27 - Jan 2
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

1 stop

7h 12m
STL

Lambert-St Louis

MSO

Missoula Johnson-Bell Field

2 stops

9h 34m
$662

Delta

Pick Dates

Deal found 12/7

Last minute flights from Missoula to St. Louis

Late deals on return flights to St. Louis from Missoula, departing today and this week
Dec 17 - Dec 19
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

1 stop

20h 55m
STL

Lambert-St Louis

MSO

Missoula Johnson-Bell Field

1 stop

23h 20m
$229

Multiple Airlines

Pick Dates

Deal found 12/5

Dec 17 - Dec 20
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

1 stop

20h 55m
STL

Lambert-St Louis

MSO

Missoula Johnson-Bell Field

1 stop

14h 16m
$321

Multiple Airlines

Pick Dates

Deal found 12/5

Dec 17 - Dec 21
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

1 stop

11h 44m
STL

Lambert-St Louis

MSO

Missoula Johnson-Bell Field

1 stop

24h 45m
$334

Multiple Airlines

Pick Dates

Deal found 12/5

One-way flights to St. Louis from Missoula

The cheapest one-way flights from Missoula to St. Louis
May 4
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

2 stops

19h 31m
$294

Multiple Airlines

Pick Dates

Deal found 12/4

May 4
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

1 stop

7h 30m
$299

American Airlines

Pick Dates

Deal found 12/4

May 4
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

3 stops

29h 44m
$965

United Airlines

Pick Dates

Deal found 12/4

Related info for your journey

Useful info, stats and facts about Missoula to St. Louis flights.

Which airlines flying from Missoula Johnson-Bell Field to Lambert-St Louis have flexible cancellations due to COVID-19?

Delta, United Airlines, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Missoula to St. Louis for under $300 on Cheapflights?

Yes, there are multiple flights from Missoula to St. Louis for under $300. The cheapest flight booked recently is on Multiple Airlines for just $229, but on average you can expect to pay $518.

Are there last-minute flights available from Missoula to St. Louis for under $300?

There are currently 20+ open flights from Missoula to St. Louis within the next 7 days for less than $300.

What are the cheapest airlines flying from Missoula to St. Louis round-trip?

Our cheapest airline available from Missoula to St. Louis is United Airlines. Our recent data shows that you can find tickets from as low as $394 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $405 and $727 round-trip. These flights start at 32% lower than the current average price 3 months from now.

What are the most popular airlines that fly from Missoula to St. Louis?

American Airlines, Delta and United Airlines are the most popular airlines when flying from Missoula to St. Louis.

What are the cheapest flights from Missoula to St. Louis?

The cheapest flight price from Missoula to St. Louis is $396. On average you can expect to pay $835. The most popular route, (Missoula Johnson-Bell Field - Lambert-St Louis), can usually be booked for $400.

Alternative routes for Missoula to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Missoula to St. Louis

The chart below displays the airlines Cheapflights users traveling from Missoula to St. Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
DeltaCheapest$305Average$586FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
American AirlinesCheapest$358Average$591FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
United AirlinesCheapest$385Average$530FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights