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Cheap flights from St. Louis to Missoula from $242

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Missoula departing on 2/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Missoula

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Missoula that have been recently found on momondo from popular airlines, departing in the coming months.
7:00 am - 1:40 pmSTL-MSO
7h 40m1 stop
2:36 pm - 11:59 pmMSO-STL
8h 23m1 stop
$472Alaska Airlines
Find Deal
Wed, Mar 5 - Sun, Mar 9
7:00 am - 1:40 pmSTL-MSO
7h 40m1 stop
6:38 pm - 2:25 pmMSO-STL
18h 47m1 stop
$473Alaska Airlines
Find Deal
Fri, Feb 28 - Fri, Mar 7
7:00 am - 1:40 pmSTL-MSO
7h 40m1 stop
3:39 pm - 2:25 pmMSO-STL
21h 46m2 stops
$474Alaska Airlines
Find Deal
Fri, Feb 28 - Fri, Mar 7
7:00 am - 11:59 pmSTL-MSO
17h 59m1 stop
3:39 pm - 2:25 pmMSO-STL
21h 46m2 stops
$513Alaska Airlines
Find Deal
Wed, Mar 5 - Sun, Mar 9
6:59 pm - 12:25 amSTL-MSO
6h 26m1 stop
6:10 pm - 12:37 amMSO-STL
5h 27m1 stop
$517Delta
Find Deal
Mon, May 12 - Thu, May 15
3:30 pm - 12:25 amSTL-MSO
9h 55m2 stops
6:10 pm - 12:37 amMSO-STL
5h 27m1 stop
$522Delta
Find Deal
Mon, May 12 - Thu, May 15
7:23 am - 12:27 pmSTL-MSO
6h 04m1 stop
7:23 am - 4:13 pmMSO-STL
7h 50m1 stop
$567American Airlines
Find Deal
Sun, Jul 6 - Sat, Jul 12
8:10 am - 4:11 pmSTL-MSO
9h 01m2 stops
6:15 am - 3:44 pmMSO-STL
8h 29m2 stops
$584United Airlines
Find Deal
Tue, Jun 10 - Sat, Jun 14
1:00 pm - 3:18 pmSTL-MSO
27h 18m3 stops
4:08 pm - 2:42 pmMSO-STL
21h 34m3 stops
Thu, Feb 13 - Mon, Feb 17
5:29 pm - 9:28 pmSTL-MSO
28h 59m3 stops
2:35 pm - 9:01 pmMSO-STL
5h 26m1 stop
$653United Airlines
Find Deal
Mon, May 12 - Thu, May 15

Delta flights from St. Louis to Missoula

Our best Delta deals on St. Louis to Missoula flight tickets
Delta
May 12
STL6:59 pmLambert-St Louis
6h 26m
1 stop
MSO12:25 amMissoula Johnson-Bell Field
May 15
MSO6:10 pmMissoula Johnson-Bell Field
5h 27m
1 stop
STL12:37 amLambert-St Louis
Delta
May 12
STL3:30 pmLambert-St Louis
9h 55m
2 stops
MSO12:25 amMissoula Johnson-Bell Field
May 15
MSO6:10 pmMissoula Johnson-Bell Field
5h 27m
1 stop
STL12:37 amLambert-St Louis
Delta
Feb 28
STL6:00 amLambert-St Louis
12h 38m
2 stops
MSO5:38 pmMissoula Johnson-Bell Field
Mar 7
MSO5:40 amMissoula Johnson-Bell Field
8h 10m
2 stops
STL2:50 pmLambert-St Louis

United Airlines flights from St. Louis to Missoula

Our best United Airlines deals on St. Louis to Missoula flight tickets
United Airlines
Jun 10
STL8:10 amLambert-St Louis
9h 01m
2 stops
MSO4:11 pmMissoula Johnson-Bell Field
Jun 14
MSO6:15 amMissoula Johnson-Bell Field
8h 29m
2 stops
STL3:44 pmLambert-St Louis
United Airlines
May 12
STL5:29 pmLambert-St Louis
28h 59m
3 stops
MSO9:28 pmMissoula Johnson-Bell Field
May 15
MSO2:35 pmMissoula Johnson-Bell Field
5h 26m
1 stop
STL9:01 pmLambert-St Louis
United Airlines
Mar 11
STL4:30 pmLambert-St Louis
24h 31m
1 stop
MSO4:01 pmMissoula Johnson-Bell Field
Mar 14
MSO5:10 pmMissoula Johnson-Bell Field
27h 24m
1 stop
STL9:34 pmLambert-St Louis

See travel insights to Missoula from

How to get the cheapest flight ticket from St. Louis to Missoula

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Missoula?

The month of March is, on average, the cheapest month to fly to Missoula from St. Louis, with most prices found around $369. If you are unable to visit Missoula during the month of March, then departing from St. Louis during the month September is also very affordable. Most momondo users find prices during this month for around $448.

What is the cheapest day to depart on your flight to Missoula?

On average, the least expensive day to fly to Missoula from St. Louis is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $447. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $638.

What is the cheapest time of day to depart on your flight to Missoula?

The cheapest time of day to fly to Missoula is in the evening when flights can be purchased for as low as $205. Flights in the morning are often more expensive with an average ticket price of $584.

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

You are more likely to see cheaper flights to Missoula from St. Louis when booking 4 weeks ahead of your departure date. In general, you can expect to find flights to Missoula for around $536 when searching 4 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missoula from St. Louis for as low as $284 on momondo.

When to book flights from St. Louis to Missoula

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Missoula according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Missoula (STL to MSO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Missoula

Best Price Found

$242

Fastest flight time

6h 04m

Direct flights

None

Airports in Missoula

1 airport
The best one-way flight to Missoula from St. Louis in the past 72 hours is $242. The best round-trip flight deal from St. Louis to Missoula found on momondo in the last 72 hours is $472.
The fastest flight from St. Louis to Missoula takes 6h 04m
There are no direct flights from St. Louis to Missoula. Popular non-direct route for this connection is Lambert-St Louis Airport - Missoula Johnson-Bell Field Airport.
There is 1 airport near Missoula: Missoula Johnson-Bell Field (MSO)

  • How far is Lambert-St Louis to Missoula Johnson-Bell Field by plane?

    Missoula Johnson-Bell Field is 1327.0 mi away from Lambert-St Louis. 6h 04m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Missoula Johnson-Bell Field Airport?

    Prices for flights from Lambert-St Louis Airport to Missoula Johnson-Bell Field Airport are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Missoula Johnson-Bell Field Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Missoula Johnson-Bell Field Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Missoula Johnson-Bell Field Airport.

  • What documentation or ID do you need to fly to Missoula Johnson-Bell Field Airport?

    The travel and health documents you'll need for your trip to Missoula Johnson-Bell Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Missoula Johnson-Bell Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Missoula?


Best airlines flying from St. Louis to Missoula

Compare and see reviews for airlines that fly from St. Louis to Missoula with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $325Free CancellationRating
8.0
9,688 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $328Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $344Free CancellationRating
8.0
8,456 reviews
Search Delta flights
United AirlinesPriceFrom $415Free CancellationRating
7.4
8,918 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Missoula?

Finding the right flight to Missoula from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Missoula quick and easy, saving you time and money.

Can I find flights from St. Louis to Missoula with flexible booking policies on momondo?

Flights from St. Louis to Missoula with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Missoula?

momondo helps you find the best flight between St. Louis and Missoula by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from St. Louis to Missoula right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Missoula, momondo offers a useful price alert feature which will track prices for flights to Missoula from St. Louis and alert you when they change.


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