How long is the flight from St. Louis to Butte?

United Airlines and Delta can get you from St. Louis to Butte in just under 6h 31m. Your travel time can differ by up to 5h 39m. Airlines will cover a distance of 1228 mi. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Butte ranges from 0.4 - 2.3 inches per month. June is typically the wettest month, when rainfall can reach 2.3 in. February is typically the driest time to visit Butte when rainfall is around 0.4 in.

If weather is an important factor for your trip to Butte, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 17.6 F).

What is the cheapest time of day to fly from STL to BTM?

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

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

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

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

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

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

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

$314+ Cheap Flights from St. Louis to Butte

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Cheap flight deals from St. Louis to Butte

Round-trip from	$314 (United Airlines)

From Lambert-St Louis to Butte Silver Bow Co

Search Deals

Find flight deals from St. Louis to Butte

Cheapest flights from St. Louis to Butte
Explore the most affordable flight options available from St. Louis to Butte. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Sat 9/274:50 pmSTL - BTM

1 stop6h 31mUnited Airlines

Wed 10/19:47 amBTM - STL

1 stop5h 45mUnited Airlines

Deal found 9/11

$314

Sat 12/136:00 amSTL - BTM

2 stops12h 10mDelta

Mon 12/156:10 pmBTM - STL

1 stop5h 41mDelta

Deal found 9/9

$337

Sat 12/134:37 pmSTL - BTM

1 stop6h 52mUnited Airlines

Mon 12/1510:00 amBTM - STL

1 stop25h 39mUnited Airlines

Deal found 9/10

$435

Mon 9/294:50 pmSTL - BTM

1 stop6h 31mUnited Airlines

Wed 10/19:47 amBTM - STL

1 stop9h 59mUnited Airlines

Deal found 9/10

$699

Best flights from St. Louis to Butte
Discover carefully curated flight deals from St. Louis to Butte that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Sat 9/274:50 pmSTL - BTM

1 stop6h 31mUnited Airlines

Wed 10/19:47 amBTM - STL

1 stop5h 45mUnited Airlines

Deal found 9/11

$314

Sat 12/136:00 amSTL - BTM

2 stops12h 10mDelta

Mon 12/156:10 pmBTM - STL

1 stop5h 41mDelta

Deal found 9/9

$337

Sat 12/134:37 pmSTL - BTM

1 stop6h 52mUnited Airlines

Mon 12/1510:00 amBTM - STL

1 stop25h 39mUnited Airlines

Deal found 9/9

$435

Mon 9/294:50 pmSTL - BTM

1 stop6h 31mUnited Airlines

Wed 10/19:47 amBTM - STL

1 stop9h 59mUnited Airlines

Deal found 9/10

$699

Last-minute flights from St. Louis to Butte
Discover last-minute flight deals from St. Louis to Butte. Data last updated September 11, 2025 and is based on user searches.

Sat 9/274:50 pmSTL - BTM

1 stop6h 31mUnited Airlines

Wed 10/19:47 amBTM - STL

1 stop5h 45mUnited Airlines

Deal found 9/11

$314

Mon 9/294:50 pmSTL - BTM

1 stop6h 31mUnited Airlines

Wed 10/19:47 amBTM - STL

1 stop9h 59mUnited Airlines

Deal found 9/10

$699

Fly from

Fly to

Route

Depart

Return

Price

St. LouisButte

STL - BTM

STLBTM

Lambert-St Louis

Sat 9/27

4:50 pm-10:21 pm

1 stop6h 31m

Butte Silver Bow Co

Wed 10/1

9:47 am-4:32 pm

1 stop5h 45m

$314

St. LouisButte

STL - BTM

STLBTM

Lambert-St Louis

Sat 12/13

6:00 am-5:10 pm

2 stops12h 10m

Butte Silver Bow Co

Mon 12/15

6:10 pm-12:51 am

1 stop5h 41m

$337

St. LouisButte

STL - BTM

STLBTM

Lambert-St Louis

Sat 12/13

4:37 pm-10:29 pm

1 stop6h 52m

Butte Silver Bow Co

Mon 12/15

10:00 am-12:39 pm

1 stop25h 39m

$435

St. LouisButte

STL - BTM

STLBTM

Lambert-St Louis

Mon 9/29

4:50 pm-10:21 pm

1 stop6h 31m

Butte Silver Bow Co

Wed 10/1

9:47 am-8:46 pm

1 stop9h 59m

$699

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from St. Louis to Butte

Have a flexible travel schedule? Discover the best time to fly to Butte from St. Louis with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Butte

Read through reviews of airlines operating flights from St. Louis to Butte, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,937 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines

7.4

Good

8,937 reviews

United Airlines

7.4

Good

8,937 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

How long is the flight from St. Louis to Butte?
United Airlines and Delta can get you from St. Louis to Butte in just under 6h 31m. Your travel time can differ by up to 5h 39m. Airlines will cover a distance of 1228 mi. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from St. Louis to Butte that include hotel bookings?
Yes. In addition to deals on St. Louis to Butte flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Butte?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Butte.
Can I find deals for business class flights from St. Louis to Butte?
Yes. Cheapflights offers flight deals from St. Louis to Butte by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from St. Louis to Butte

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$344	Average$439	FlexibilityNo cancel fee	On-time69%

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$314+ Cheap flights from St. Louis to Butte (STL - BTM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Butte with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to Butte

Round-trip from

Find flight deals from St. Louis to Butte

Cheapest flights from St. Louis to ButteExplore the most affordable flight options available from St. Louis to Butte. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Explore the most affordable flight options available from St. Louis to Butte. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Butte that are best for you.

Best time to book a flight from St. Louis to Butte

Have a flexible travel schedule? Discover the best time to fly to Butte from St. Louis with our price prediction graph.

Reviews of airlines servicing Butte

Read through reviews of airlines operating flights from St. Louis to Butte, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from St. Louis to Butte?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Butte

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

Top airline flying from St. Louis to Butte

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from St. Louis to Butte
Explore the most affordable flight options available from St. Louis to Butte. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.