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MSO - STL

$169 Find cheap flights from Missoula to St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Missoula to St. Louis departing on 7/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Fri 5/24
Fri 5/31

Search hundreds of travel sites at once for deals on flights to St. Louis

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Missoula to St. Louis, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Missoula to St. Louis, as well as popular online travel agencies
In the last 7 days travelers have searched 44,979,812 times on KAYAK, and here is why:

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

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Missoula to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
6:20 pm - 12:46 amMSO-STL
5h 26m1 stop
5:30 pm - 10:29 pmSTL-MSO
5h 59m1 stop
$438Delta
Find Deal
Wed, May 22 - Sat, Jun 1
6:20 pm - 12:46 amMSO-STL
5h 26m1 stop
3:23 pm - 12:28 amSTL-MSO
10h 05m2 stops
$443Delta
Find Deal
Sun, Jun 2 - Fri, Jun 7
5:40 am - 3:57 pmMSO-STL
9h 17m2 stops
12:00 pm - 8:16 pmSTL-MSO
9h 16m2 stops
$468Delta
Find Deal
Wed, May 22 - Sat, Jun 1
2:33 pm - 10:07 amMSO-STL
18h 34m2 stops
1:39 pm - 1:27 pmSTL-MSO
24h 48m1 stop
$480United Airlines
Find Deal
Tue, Aug 20 - Sat, Aug 24
2:46 pm - 11:59 pmMSO-STL
8h 13m1 stop
2:36 pm - 5:50 pmSTL-MSO
28h 14m1 stop
$495Alaska Airlines
Find Deal
Sun, Jun 2 - Sat, Jun 8
6:17 pm - 12:39 amMSO-STL
5h 22m1 stop
6:30 pm - 12:17 amSTL-MSO
6h 47m1 stop
$538Delta
Find Deal
Fri, Jul 12 - Mon, Jul 15
5:50 am - 5:04 pmMSO-STL
10h 14m2 stops
6:30 pm - 12:17 amSTL-MSO
6h 47m1 stop
$543Delta
Find Deal
Fri, Jul 12 - Mon, Jul 15
5:50 am - 5:04 pmMSO-STL
10h 14m2 stops
3:24 pm - 12:17 amSTL-MSO
9h 53m2 stops
$568Delta
Find Deal
Fri, Jul 12 - Mon, Jul 15
5:50 am - 3:57 pmMSO-STL
9h 07m2 stops
5:53 pm - 12:28 amSTL-MSO
7h 35m2 stops
$738Delta
Find Deal
Sun, Jun 2 - Fri, Jun 7
6:00 am - 11:19 pmMSO-STL
16h 19m2 stops
6:00 am - 9:13 pmSTL-MSO
16h 13m2 stops
$819American Airlines
Find Deal
Sun, Jun 2 - Sat, Jun 8

Flights from Missoula to St. Louis - Travel Insights & Trends

Get data-powered insights and trends into flights from Missoula to St. Louis to help you find the cheapest flights, the best time to fly and much more.

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

The average price of all flights from Missoula to St. Louis clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from Missoula to St. Louis, look for departures on Sundays and avoid leaving on a Monday, as it's usually the priciest day. When flying back from St. Louis, Saturday is the cheapest day to fly and Sunday is the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Missoula to St. Louis, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Missoula to St. Louis is August, where tickets cost $354 on average. On the other hand, the most expensive months are March and June, where the average cost of tickets is $879 and $630 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Missoula to St. Louis, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Missoula to St. Louis, you should book around 4 days before departure. For the absolute cheapest price, our data suggests you should book 50 days before departure.

Which airlines provide the cheapest flights from Missoula to St. Louis?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the cheapest one-way ticket from Missoula to St. Louis found on KAYAK was with Frontier for $169. Delta proposed a round-trip connection from $438 and United Airlines from $480.

Good to know

Low season

September

High season

April

Cheapest flight

$169
Best time to beat the crowds with an average 21% drop in price.
Most popular time to fly and prices are also 14% lower on average.
Flight from Missoula to St. Louis

When to book flights from Missoula to St. Louis

Are your dates flexible? Find out the best times to travel from Missoula to St. Louis 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.

FAQs for booking flights from Missoula to St. Louis

  • What is the cheapest flight from Missoula to St. Louis?

    In the last 3 days, the lowest price for a flight from Missoula to St. Louis was $169 for a one-way ticket and $438 for a round-trip.

  • Do I need a passport to fly between Missoula and St. Louis?

    No, a passport isn't needed to fly from Missoula to St. Louis. However, local authorities might ask for an official ID.

  • Which airports will I be using when flying from Missoula to St. Louis?

    When flying out of Missoula you will be using Missoula Johnson-Bell Field. You will be landing at St. Louis, also known as Lambert-St Louis.

  • Which aircraft models fly most regularly from Missoula to St. Louis?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Missoula to St. Louis?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Missoula and St. Louis, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from Missoula to St. Louis, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Missoula to St. Louis are Delta and United Airlines. With an average price for the route of $582 and an overall rating of 8.0, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $563 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Missoula to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missoula to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missoula to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Missoula is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Missoula to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Missoula with another airline. Booking your flights between Missoula and STL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missoula to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Missoula up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top airlines flying from Missoula to St. Louis

 
See real verified KAYAK customer reviews for airlines flying from Missoula to St. Louis. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Missoula to St. Louis? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 11004 reviews
7.9comfort
8.0entertainment
7.5food
8.2boarding
8.6crew
Airline reviews

I'm a larger, athletic guy (6'2", 260lbs powerlifter) and I found the seats incredibly uncomfortable with minimal leg room, especially in a window seat. Now, I full understand that being smaller may change my view but even if I was 80lbs less, my legs would be the same size and I was sandwiched between my seat and the seat in front of me.

6.0 GoodDan, Apr 2024LGA - DEN
Read more about Delta reviews

I'm a larger, athletic guy (6'2", 260lbs powerlifter) and I found the seats incredibly uncomfortable with minimal leg room, especially in a window seat. Now, I full understand that being smaller may change my view but even if I was 80lbs less, my legs would be the same size and I was sandwiched between my seat and the seat in front of me.

Horrible. This was not first class. This was a connecting flight whi h was late. My original flight never came. I hated the fact that delta gave me a connecting flight from New York to Orlando Florida. No meals and the television screens were not working. There wasn't even any power to charge your phones. This is NOT FIRST CLASS DELTA!!! Do better next time!

This flight was ridiculous. I had to have a connecting flight from New York to orlando Florida??? The flight left late and because it was a short flight there was no first class amenities. I had one alcohol drink. The flight crew was fine, but it sure did not feel like first class. Delta to me dropped the ball by giving me a connecting flight. By the time we got to Raleigh we would have missed the next flight. Lucky for me the flight never came so now I was stuck waiting for a later flight that came in late also.

Our flight was delayed in Atlanta. The staff could have gave us an explanation for the delay and how long it would be.

I liked the ease of checking in, luggage check in, wheel chair assistance, boarding and flight.

On my way home I had a layover. The flight from ATL to CLT was amended 5x while I was waiting. I could have driven home sooner. Overall from Dallas, Tx to Charlotte, NC I started my trip at 4:30pm, I didn’t get home until past midnight. I know things happen, but 5x to make me run back and forth in an airport from different terminals is excessive. I also upgraded to comfort + , I didn’t feel it was worth it. There was no benefit

On my way home I had a layover. The flight from ATL to CLT was amended 5x while I was waiting. I could have driven home sooner. Overall from Dallas, Tx to Charlotte, NC I started my trip at 4:30pm, I didn’t get home until past midnight. I know things happen, but 5x to make me run back and forth in an airport from different terminals is excessive.

They did a fine job. Can't wait to use Delta in the future.

There was a loud squeaky sound the whole time we were flying.

Had a broken tray in business class. Crew just shrugged it off.

Due to one crew member not showing up to work, our flight was significantly delayed causing us to miss our connecting flight in Houston to Mississippi causing us to be delayed by more than 6 hours and missing our event all together. Very disappointing. All because ONE crew member called in sick. United did grant us a $15 meal voucher, which was a small but appreciated concession that I wasn’t able to use because I ordered my lunch and paid for it before applying the concession, and the staff said it was too late to use it. Ugh! We also had a TWO delay coming back from Mississippi, but that was on American Airlines and it was due to weather, so not their fault. Anyway, not at all impressed with United’s handling of our flight and the HUGE disappointment of missing our important family event for our 90 year old mother. All that money and all that stress and emotions for nothing. Having to wait the hour to bring an employee from LAX seemed like something that should not have happened. Why don’t you have a local back-up? Santa Ana is not a little airport in a rural area.

Flight delayed from Cape Town to Washington then got diverted to miami and in miami we had to fend for ourselves , im still trying to get to Shreveport now

delay several times and wait extra long to board. no entertainment service because there are problem for some rows. always encounter some delays for the last flight of the day.

I just wrote a text which was supposed to be for the flight from Denver to spokane not Frankfurt to Denver.

On time every leg of the journey and exceptional staff at counter, gate, and on board. I haven’t travelled in US for a long time and was genuinely surprised how pleasant this was.

The delays (5 hrs) were a comedy of errors, and the multiple safety issues encountered were very concerning.

flight delays, staff only communicating when pushed, food service lasting a grand total of 7 minutes, stuck in seat from 45mins into flight until landing

Crew was great and did their best to make us comfortable and captain came out at the beginning to announce why the flight was delayed, weather situation up ahead, and kept us updated throughout the flight.

they made me check my carryon. There was space in the overhead bins.

Nice flight, nice crew but no cookie or napkin with my seltzer.

Book cheap flights from Missoula to St. Louis

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Missoula to St. Louis found on KAYAK in the last 72 hours.
7/17Wed
1 stopFrontier
22h 39mMSO-STL
$169
7/17Wed
2 stopsAlaska Airlines
13h 34mMSO-STL
$333
7/17Wed
3 stops
23h 35mMSO-STL
$364

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Missoula - St. Louis Flights

Departure:

Missoula (MSO)United States

Destination:

St. Louis (STL)United States

Return flight deals:

St. Louis - Missoula

Cabin classes: