In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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

When flying from Butte to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Butte 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.

$295+ Cheap Flights from Butte to St. Louis

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One-way flights from Butte to St. Louis
Search for one-way flight options from Butte to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

Tue 10/76:10 pmBTM - STL

1 stop5h 14mDelta

Deal found 9/10

$295

Tue 10/79:47 amBTM - STL

2 stops11h 48mUnited Airlines

Deal found 9/10

$346

Fly from

Fly to

Route

Depart

Return

Price

ButteSt. Louis

BTM - STL

BTMSTL

Butte Silver Bow Co

Wed 10/8

6:10 pm-12:24 am

1 stop5h 14m

$295

ButteSt. Louis

BTM - STL

BTMSTL

Butte Silver Bow Co

Tue 10/7

6:10 pm-12:24 am

1 stop5h 14m

$295

ButteSt. Louis

BTM - STL

BTMSTL

Butte Silver Bow Co

Wed 10/8

9:47 am-10:35 pm

2 stops11h 48m

$346

ButteSt. Louis

BTM - STL

BTMSTL

Butte Silver Bow Co

Tue 10/7

9:47 am-10:35 pm

2 stops11h 48m

$346

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Butte 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.

Cheapflights Insights

Everything you need to know about your flight from Butte to St. Louis

What is the cheapest month to book a flight from Butte to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Butte to St. Louis (average of $311). Flying from Butte to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Can I find deals for flights from Butte to St. Louis that include hotel bookings?
Yes. In addition to deals on Butte to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Butte to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Butte to St. Louis.
Can I find deals for business class flights from Butte to St. Louis?
Yes. Cheapflights offers flight deals from Butte 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.
What is the cheapest month to book a flight from Butte to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Butte to St. Louis (average of $311). Flying from Butte to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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$295+ Cheap flights from Butte to St. Louis (BTM - STL)

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Butte to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Butte to St. Louis

One-way flights from Butte to St. LouisSearch for one-way flight options from Butte to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

Search for one-way flight options from Butte to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

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

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

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

Cheapflights Insights

Everything you need to know about your flight from Butte to St. Louis

What is the cheapest month to book a flight from Butte to St. Louis?

Related info for your journey

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

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

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

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

What is the cheapest month to book a flight from Butte to St. Louis?

Traveling to a place near St. Louis?

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One-way flights from Butte to St. Louis
Search for one-way flight options from Butte to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.