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Cheap flights from Montana to St. Louis (STL) from $169

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight 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.
BZN — STL
Apr 30 — May 71
From?
To?
Tue 4/30
Tue 5/7
1 adult, Economy
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How far in advance should I book a flight from Montana to St. Louis?

Travelers have found it’s best to book a flight 29 days in advance to save up to 89% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 29 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Montana to St. Louis 1-2 weeks in advance for as low as $532, or $532 for flights within the next 24 hours.

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

The best pricing can be found in the month of March. Prices to St. Louis from Montana average $444. You can even find prices in March for less than $444, as users have found deals to St. Louis from as low as $280. The month of July appears to be one of the more expensive times to travel to St. Louis from Montana. Flying in the targeted month can save you up to 21%.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montana to St. Louis as you normally would.

Cheap Alaska Airlines flights from Montana to St. Louis

Explore cheap flight options specifically provided by Alaska Airlines for the route between Montana and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated April 25, 2024.
Take a peek at the cheapest Alaska Airlines flights we've detected traveling from Montana to St. Louis. Make sure to double check the flight details before booking.
Fri 5/3110:55 amBZN - STL
1 stop6h 46mAlaska Airlines
Mon 6/32:36 pmSTL - BZN
2 stops27h 16mAlaska Airlines
Deal found 4/24$527
Fri 5/2412:50 pmBIL - STL
2 stops34h 09mAlaska Airlines
Tue 5/287:41 pmSTL - BIL
1 stop28h 27mAlaska Airlines
Deal found 4/23$592
Fri 5/316:00 amBZN - STL
2 stops14h 47mAlaska Airlines
Mon 6/37:41 pmSTL - BZN
1 stop29h 18mAlaska Airlines
Deal found 4/25$622
Fri 9/66:00 amFCA - STL
1 stop6h 33mAlaska Airlines
Fri 9/67:31 pmSTL - FCA
1 stop21h 06mAlaska Airlines
Deal found 4/24$637
Fri 9/66:00 amFCA - STL
1 stop6h 33mAlaska Airlines
Fri 9/64:20 pmSTL - FCA
2 stops19h 42mAlaska Airlines
Deal found 4/24$727

Cheap Delta flights from Montana to St. Louis

Explore cheap flight options specifically provided by Delta for the route between Montana and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated April 25, 2024.
To aid your search, here are some of the cheapest United Airlines flights we've found from Montana to St. Louis. Deals are refreshing constantly so come back soon for more options.
Wed 6/126:39 pmBIL - STL
1 stop5h 01mDelta
Tue 6/186:20 pmSTL - BIL
1 stop6h 57mDelta
Deal found 4/24$258
Wed 6/126:39 pmBIL - STL
1 stop5h 01mDelta
Tue 6/185:53 pmSTL - BIL
2 stops7h 24mDelta
Deal found 4/24$263
Tue 5/286:30 pmBZN - STL
1 stop5h 16mDelta
Mon 6/36:50 pmSTL - BZN
1 stop6h 18mDelta
Deal found 4/23$298
Sat 8/245:45 amBIL - STL
1 stop6h 40mDelta
Tue 8/276:30 amSTL - BIL
1 stop7h 32mDelta
Deal found 4/24$308
Fri 5/316:30 pmBZN - STL
1 stop5h 16mDelta
Mon 6/36:50 pmSTL - BZN
1 stop6h 18mDelta
Deal found 4/24$318
Wed 7/35:55 pmBZN - STL
1 stop5h 49mDelta
Mon 7/86:30 pmSTL - BZN
1 stop6h 35mDelta
Deal found 4/24$336
Tue 8/276:00 amBZN - STL
1 stop6h 25mDelta
Wed 8/286:59 pmSTL - BZN
1 stop6h 00mDelta
Deal found 4/24$356
Fri 5/36:34 pmBIL - STL
1 stop5h 12mDelta
Sun 5/56:50 pmSTL - BIL
1 stop6h 47mDelta
Deal found 4/24$368
Fri 5/246:35 pmBIL - STL
1 stop5h 11mDelta
Tue 5/285:30 pmSTL - BIL
1 stop7h 54mDelta
Deal found 4/23$413

Cheap Montana to St. Louis flights in April & May 2024

Find cheap flight options from Montana to St. Louis specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,068,701 searches. Prices were last updated on April 25, 2024.
Scroll through some of the best deals on flights from Montana to St. Louis in 2024. Check back in a little while for more flight options.
Tue 5/286:30 pmBZN - STL
1 stop5h 16mDelta
Mon 6/36:50 pmSTL - BZN
1 stop6h 18mDelta
Deal found 4/23$298
Fri 5/316:30 pmBZN - STL
1 stop5h 16mDelta
Mon 6/36:50 pmSTL - BZN
1 stop6h 18mDelta
Deal found 4/24$318
Fri 5/36:34 pmBIL - STL
1 stop5h 12mDelta
Sun 5/56:50 pmSTL - BIL
1 stop6h 47mDelta
Deal found 4/24$368
Thu 4/256:28 amBIL - STL
1 stop6h 47mDelta
Mon 4/296:50 pmSTL - BIL
1 stop6h 47mDelta
Deal found 4/24$388
Thu 4/256:28 amBIL - STL
1 stop6h 47mDelta
Mon 4/292:27 pmSTL - BIL
2 stops11h 10mDelta
Deal found 4/24$393
Thu 4/255:30 amBIL - STL
2 stops10h 20mDelta
Mon 4/293:51 pmSTL - BIL
2 stops9h 46mDelta
Deal found 4/24$398
Fri 5/246:35 pmBIL - STL
1 stop5h 11mDelta
Tue 5/285:30 pmSTL - BIL
1 stop7h 54mDelta
Deal found 4/23$413
Wed 5/225:50 amMSO - STL
1 stop7h 25mDelta
Fri 5/316:50 pmSTL - MSO
1 stop6h 30mDelta
Deal found 4/24$438
Thu 5/305:50 amHLN - STL
2 stops7h 25mDelta
Sun 6/27:55 amSTL - HLN
1 stop5h 48mDelta
Deal found 4/24$443

Montana to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Montana and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated April 25, 2024.
Scroll through some of the best deals on flights from Montana to St. Louis in 2024. Check back in a little while for more flight options.
Sat 6/153:10 pmMSO - STL
1 stop22h 27mFrontier
Sun 6/233:37 pmSTL - MSO
1 stop23h 41mFrontier
Deal found 4/24$193
Wed 6/126:39 pmBIL - STL
1 stop5h 01mDelta
Tue 6/186:20 pmSTL - BIL
1 stop6h 57mDelta
Deal found 4/24$258
Wed 6/126:39 pmBIL - STL
1 stop5h 01mDelta
Tue 6/185:53 pmSTL - BIL
2 stops7h 24mDelta
Deal found 4/24$263
Tue 5/286:30 pmBZN - STL
1 stop5h 16mDelta
Mon 6/36:50 pmSTL - BZN
1 stop6h 18mDelta
Deal found 4/23$298
Sat 8/245:45 amBIL - STL
1 stop6h 40mDelta
Tue 8/276:30 amSTL - BIL
1 stop7h 32mDelta
Deal found 4/24$308
Fri 5/316:30 pmBZN - STL
1 stop5h 16mDelta
Mon 6/36:50 pmSTL - BZN
1 stop6h 18mDelta
Deal found 4/24$318
Wed 7/35:55 pmBZN - STL
1 stop5h 49mDelta
Mon 7/86:30 pmSTL - BZN
1 stop6h 35mDelta
Deal found 4/24$336
Tue 8/276:00 amBZN - STL
1 stop6h 25mDelta
Wed 8/286:59 pmSTL - BZN
1 stop6h 00mDelta
Deal found 4/24$356
Fri 5/36:34 pmBIL - STL
1 stop5h 12mDelta
Sun 5/56:50 pmSTL - BIL
1 stop6h 47mDelta
Deal found 4/24$368

Montana to St. Louis flights leaving soon

Find last-minute flight options from Montana to St. Louis for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated April 25, 2024.
Consider one of these great deals we found on last-minute flights from Montana to St. Louis. Users should examine the flight details to ensure there are no surprises.
Fri 5/36:34 pmBIL - STL
1 stop5h 12mDelta
Sun 5/56:50 pmSTL - BIL
1 stop6h 47mDelta
Deal found 4/24$368
Fri 5/35:30 amBIL - STL
1 stop7h 01mDelta
Sun 5/52:27 pmSTL - BIL
2 stops11h 10mDelta
Deal found 4/24$608
Fri 5/36:30 amBIL - STL
2 stops10h 33mDelta
Sun 5/52:27 pmSTL - BIL
2 stops11h 10mDelta
Deal found 4/24$858

One-way flights to St. Louis from Montana

Search for one-way flight options from Montana to St. Louis. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated April 25, 2024.
Take a look at some of the best available options we've come across on one-way flights from Montana to St. Louis. Users needing a return flight from Montana to St. Louis should utilize the search form above.
Wed 7/173:14 pmMSO - STL
1 stop22h 39mFrontier
Deal found 4/24$169
Tue 7/236:17 pmMSO - STL
1 stop5h 22mDelta
Deal found 4/24$219
Thu 5/166:52 pmBIL - STL
1 stop28h 07mAlaska Airlines
Deal found 4/24$247
Wed 7/1711:10 amMSO - STL
3 stops23h 35mMultiple Airlines
Deal found 4/24$317
Sat 6/297:01 amBZN - STL
1 stop8h 14mAmerican Airlines
Deal found 4/25$318
Sat 6/297:00 amBZN - STL
1 stop14h 20mUnited Airlines
Deal found 4/24$319
Thu 5/166:52 pmBIL - STL
2 stops28h 04mAlaska Airlines
Deal found 4/24$332
Wed 7/175:50 amMSO - STL
2 stops7h 44mDelta
Deal found 4/24$344
Sat 6/294:25 pmBZN - STL
2 stops20h 53mUnited Airlines
Deal found 4/24$373

Find flights from Montana to St. Louis within your budget

Customize your flight search to find flights from Montana to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated April 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$193 - $686

Route

Depart

Return

Price

Missoula Johnson-Bell FieldLambert-St Louis

MSO - STL

MSOSTL

Missoula Johnson-Bell Field

Sat 6/15

1 stop22h 27m

Lambert-St Louis

Sun 6/23

1 stop23h 41m

$193

Billings Logan IntlLambert-St Louis

BIL - STL

BILSTL

Billings Logan Intl

Wed 6/12

1 stop5h 01m

Lambert-St Louis

Tue 6/18

1 stop6h 57m

$258

Billings Logan IntlLambert-St Louis

BIL - STL

BILSTL

Billings Logan Intl

Wed 6/12

1 stop5h 01m

Lambert-St Louis

Tue 6/18

2 stops7h 24m

$263

Bozeman Gallatin FieldLambert-St Louis

BZN - STL

BZNSTL

Bozeman Gallatin Field

Tue 5/28

1 stop5h 16m

Lambert-St Louis

Mon 6/3

1 stop6h 18m

$298

Billings Logan IntlLambert-St Louis

BIL - STL

BILSTL

Billings Logan Intl

Sat 8/24

1 stop6h 40m

Lambert-St Louis

Tue 8/27

1 stop7h 32m

$308

Bozeman Gallatin FieldLambert-St Louis

BZN - STL

BZNSTL

Bozeman Gallatin Field

Fri 5/31

1 stop6h 56m

Lambert-St Louis

Mon 6/3

1 stop6h 18m

$318

Billings Logan IntlLambert-St Louis

BIL - STL

BILSTL

Billings Logan Intl

Sat 8/24

1 stop5h 48m

Lambert-St Louis

Tue 8/27

2 stops12h 29m

$432

Bozeman Gallatin FieldLambert-St Louis

BZN - STL

BZNSTL

Bozeman Gallatin Field

Fri 5/31

1 stop6h 46m

Lambert-St Louis

Mon 6/3

2 stops27h 16m

$527

Bozeman Gallatin FieldLambert-St Louis

BZN - STL

BZNSTL

Bozeman Gallatin Field

Wed 7/10

2 stops13h 49m

Lambert-St Louis

Sun 7/14

1 stop7h 27m

$686

Flights are sorted by cheapest first

Deals found on 4/24

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated April 25, 2024.
Peruse reviews from past customers who have flown with Alaska Airlines, United Airlines and Delta from Montana to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Entertainment

7.3

Food

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,110 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Entertainment

7.3

Food

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.1
Very good
10,975 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Entertainment

7.3

Food

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
11,255 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Entertainment

7.3

Food

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,898 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Entertainment

7.3

Food

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Frontier
6.3
Okay
4,135 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Entertainment

7.3

Food

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from Montana to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Montana?

    Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Montana. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • Can I find flights from Montana to St. Louis for under $200 on Cheapflights?

    Yes, there are multiple flights from Montana to St. Louis for under $200. The cheapest flight booked recently is on Frontier for just $193, but on average you can expect to pay $382.

  • Are there last-minute flights available from Montana to St. Louis for under $400?

    There are currently 3+ open flights from Montana to St. Louis within the next 7 days for less than $400.

  • What are the cheapest airlines to fly from Montana to St. Louis one-way?

    The cheapest airlines for a one-way flight from Montana to St. Louis are Frontier ($169), Delta ($219), and Alaska Airlines ($247).

  • What are the most popular routes from Montana to St. Louis?

    The most popular route from Montana to St. Louis is Billings Logan Intl - Lambert-St Louis. You may also consider Missoula Johnson-Bell Field - Lambert-St Louis or Bozeman Gallatin Field - Lambert-St Louis.

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

    The most popular airlines flying from Montana to St. Louis are American Airlines, Delta and United Airlines. Something to consider prior to booking your flight.

  • What does BZN to STL mean?

    Bozeman Gallatin Field Airport is BZN and Lambert-St Louis Airport is STL. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Kalispell Glacier Park Airport (FCA), Missoula Johnson-Bell Field Airport (MSO), Billings Logan Intl Airport (BIL), Great Falls Airport (GTF), Helena Airport (HLN) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Montana to St. Louis that include extra baggage allowance?

    The amount of baggage you can bring on your Montana to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Montana to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Montana to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Montana to St. Louis that include hotel bookings?

    Yes. In addition to deals on Montana to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montana to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montana to St. Louis.

  • Can I find deals for business class flights from Montana to St. Louis?

    Yes. Cheapflights offers flight deals from Montana to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Montana to St. Louis that allow pets onboard?

    Many airlines flying from Montana to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Montana to St. Louis?

    Yes, you can often find last-minute deals on Montana to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Montana to St. Louis flight deals updated?

    The Montana to St. Louis flight deals you see on this page were last updated on 4/24.

See more FAQs

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Alternative routes for Montana to St. Louis
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Top 3 airlines flying from Montana to St. Louis

Discover the top 3 airlines that operate flights from Montana to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated April 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$270Average$536FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$289Average$538FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$372Average$405FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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Search flights from Montana to St. Louis by cabin class

Find flights from Montana to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Montana to St. Louis?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to St. Louis from Montana today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Montana to St. Louis?

Millions of users choose and trust Cheapflights to book the best flight deals from Montana to St. Louis for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Montana to St. Louis with no change fees?

Need flexible booking options for your flight to St. Louis from Montana? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Montana to St. Louis become cheaper?

Yes, Cheapflights offers price alerts on Montana to St. Louis flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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