Menu

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

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

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

MSO - STL
Price
$179 - $545
STL
Temperature
44.6 - 89.6 °F
STL
Rainfall
2.2 - 5.1 inches

Popular in

March

High demand for flights, 41% potential price rise

Cheapest in

October

Best time to find cheap flights, 44% potential price drop

Round-trip from

$179

From Missoula to St Louis

One-way from

$140

One-way flight from Missoula to St Louis

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Missoula to St Louis?

Users have found that leaving on a Friday can be a cost-effective option. It’s possible to save up to 82% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Missoula to St Louis?

To save up to 96% on this flight, we recommend booking at least 31 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Missoula to St Louis from $374 1-2 weeks out and tickets from $553 for flights departing within the next 72 hours.

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

Flights from Missoula to St Louis lean towards being more expensive in December. Prices are generally better when you fly from Missoula to St Louis in August, with the cheapest ticket starting at $158.

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

Unlike in the morning, when flights are generally more expensive, you can save up to 66% on flights from Missoula to St Louis by exploring options for tickets in the evening.

Cheap flights from Missoula to St Louis in December, January 2021

The best prices found for MSO to STL flights for December, January
1 Jan - 4 Jan
$282pp
MSO
Missoula Johnson-Bell Field
United Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
 
1 STOP
MSO
Missoula Johnson-Bell Field
1 Jan - 4 Jan
$322pp
MSO
Missoula Johnson-Bell Field
Delta
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Delta
   
2 STOPS
MSO
Missoula Johnson-Bell Field
1 Jan - 4 Jan
$388pp
MSO
Missoula Johnson-Bell Field
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
MSO
Missoula Johnson-Bell Field

Missoula to St Louis 2021 flight deals

Cheap flights to St Louis from Missoula found for this year
19 Dec - 26 Dec
$439pp
MSO
Missoula Johnson-Bell Field
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
MSO
Missoula Johnson-Bell Field
19 Dec - 26 Dec
$467pp
MSO
Missoula Johnson-Bell Field
United Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
   
2 STOPS
MSO
Missoula Johnson-Bell Field
19 Dec - 26 Dec
$555pp
MSO
Missoula Johnson-Bell Field
United Airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
   
2 STOPS
MSO
Missoula Johnson-Bell Field

One-way flights to St Louis from Missoula

The cheapest one-way flights from Missoula to St Louis
1:00 am - 8:25 am
Delta
1 Stop
6h 25m
MSO - STL
Delta
$140
Delta
8:25 am - 6:09 pm
Delta
2 Stops
8h 44m
MSO - STL
Delta
$209
Delta
2:00 am - 3:01 pm
Multiple Airlines
3 Stops
12h 01m
MSO - STL
Multiple Airlines
$263
United

Related info for your journey

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

Flight FAQs

From Missoula to St Louis

Are flight prices decreasing from Missoula to St Louis due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Missoula and St Louis for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Missoula Johnson-Bell Field to Lambert-St Louis to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. New policies for travelers booking flights from Missoula Johnson-Bell Field to Lambert-St Louis include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

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

United Airlines, Delta, and Frontier 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 Delta for just $226, but on average you can expect to pay $406.

Are there nonstop flights from Missoula to St Louis for under $200 on Cheapflights?

There are no nonstop flights from Missoula to St Louis, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Does it rain more in Missoula or St Louis?

Missoula will have less rainfall in 2 compared to St Louis over the next 15 days.

Is Missoula weather warmer or cooler than St Louis?

Our data indicates that the weather will be 90 °F on average in the month of July. The temperature in St Louis is typically hotter than in Missoula. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from Missoula to St Louis?

A quick flight from Missoula to St Louis can take about 6h 25m. Delta provides one of the quickest options available for as low as $322. This flight may include one or multiple stops.

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

Cheapflights users have booked flights from Missoula to St Louis round-trip from $226. Other airlines that can offer you cheap pricing are United Airlines, from $282, and American Airlines, from $439. Delta is currently priced 29% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Missoula to St Louis one-way?

For one-way options, check prices for Delta. According to our data, you can fly for as low as $140.

Alternative routes for Missoula to St Louis

Destination information for St Louis

Things to know before you go. Useful info for your trip from Missoula to St Louis
Average temperature for December in St Louis
46.4 °F
Avg rainfall for December in St Louis
2.5 ″

Airports servicing Missoula

Airports servicing St. Louis

Top 3 airlines 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.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$98 $213 No cancel fee 62%
United Airlines
$162 $365 No cancel fee 69%
Delta
$159 $412 No cancel fee N/A
Home North America USA Missouri St Louis Cheap flights from Missoula to St Louis