When did momondo last update prices for flights from Lambert-St Louis Airport to Butte Silver Bow Co Airport?

Prices for flights from Lambert-St Louis Airport to Butte Silver Bow Co Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Lambert-St Louis Airport to Butte Silver Bow Co Airport?

As of August 2026, there is 1 operator available to choose from for flights from Lambert-St Louis Airport to Butte Silver Bow Co Airport.

How old do you have to be to fly from Lambert-St Louis Airport to Butte Silver Bow Co Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Butte Silver Bow Co Airport.

What documentation or ID do you need to fly to Butte Silver Bow Co Airport?

The travel and health documents required for your trip to Butte Silver Bow Co Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Butte Silver Bow Co Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$404 Cheap Flights from St. Louis to Butte in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Butte

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:40 pm - 10:26 pmSTL Lambert-St Louis-BTM Butte Silver Bow Co

6h 46m1 stop Denver Intl

8:37 am - 4:34 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

6h 57m1 stop Denver Intl

$404United Airlines

Thu, Aug 27 - Mon, Aug 31

4:40 pm - 10:26 pmSTL Lambert-St Louis-BTM Butte Silver Bow Co

6h 46m1 stop Denver Intl

8:38 am - 4:34 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

6h 56m1 stop Denver Intl

$404United Airlines

Tue, Aug 25 - Sat, Aug 29

10:53 am - 10:26 pmSTL Lambert-St Louis-BTM Butte Silver Bow Co

12h 33m2 stops Chicago O'Hare Intl Denver Intl

8:38 am - 4:34 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

6h 56m1 stop Denver Intl

$414United Airlines

Tue, Aug 25 - Sat, Aug 29

12:59 pm - 10:26 pmSTL Lambert-St Louis-BTM Butte Silver Bow Co

10h 27m2 stops Chicago O'Hare Intl Denver Intl

8:37 am - 4:34 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

6h 57m1 stop Denver Intl

$414United Airlines

Thu, Aug 27 - Mon, Aug 31

9:30 am - 10:26 pmSTL Lambert-St Louis-BTM Butte Silver Bow Co

13h 56m2 stops Chicago O'Hare Intl Denver Intl

8:37 am - 7:16 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

9h 39m2 stops Denver Intl Chicago O'Hare Intl

$419United Airlines

Thu, Aug 27 - Mon, Aug 31

4:39 pm - 10:43 pmSTL Lambert-St Louis-BTM Butte Silver Bow Co

7h 04m1 stop Denver Intl

10:15 am - 4:57 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

5h 42m1 stop Denver Intl

$424United Airlines

Sat, Nov 14 - Wed, Nov 18

11:15 am - 10:43 pmSTL Lambert-St Louis-BTM Butte Silver Bow Co

12h 28m2 stops Chicago O'Hare Intl Denver Intl

10:15 am - 4:57 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

5h 42m1 stop Denver Intl

$434United Airlines

Sat, Nov 14 - Wed, Nov 18

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United Airlines flights from St. Louis to Butte

Our best United Airlines deals on St. Louis to Butte flight tickets

United Airlines

Aug 25

STL4:40 pmLambert-St Louis

6h 46m

1 stop

BTM10:26 pmButte Silver Bow Co

Aug 29

BTM8:38 amButte Silver Bow Co

6h 56m

1 stop

STL4:34 pmLambert-St Louis

$404

United Airlines

Aug 25

STL10:53 amLambert-St Louis

12h 33m

2 stops

BTM10:26 pmButte Silver Bow Co

Aug 29

BTM8:38 amButte Silver Bow Co

6h 56m

1 stop

STL4:34 pmLambert-St Louis

$414

United Airlines

Aug 27

STL9:30 amLambert-St Louis

13h 56m

2 stops

BTM10:26 pmButte Silver Bow Co

Aug 31

BTM8:37 amButte Silver Bow Co

9h 39m

2 stops

STL7:16 pmLambert-St Louis

$419

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisButte

STL Lambert-St Louis - BTM Butte Silver Bow Co

STLBTM

Lambert-St Louis

Thu 8/27

4:40 pm-10:26 pm

1 stop6h 46m

Butte Silver Bow Co

Mon 8/31

8:37 am-4:34 pm

1 stop6h 57m

$404

St. LouisButte

STL Lambert-St Louis - BTM Butte Silver Bow Co

STLBTM

Lambert-St Louis

Tue 8/25

4:40 pm-10:26 pm

1 stop6h 46m

Butte Silver Bow Co

Sat 8/29

8:38 am-4:34 pm

1 stop6h 56m

$404

St. LouisButte

STL Lambert-St Louis - BTM Butte Silver Bow Co

STLBTM

Lambert-St Louis

Tue 8/25

10:53 am-10:26 pm

2 stops12h 33m

Butte Silver Bow Co

Sat 8/29

8:38 am-4:34 pm

1 stop6h 56m

$414

St. LouisButte

STL Lambert-St Louis - BTM Butte Silver Bow Co

STLBTM

Lambert-St Louis

Thu 8/27

12:59 pm-10:26 pm

2 stops10h 27m

Butte Silver Bow Co

Mon 8/31

8:37 am-4:34 pm

1 stop6h 57m

$414

St. LouisButte

STL Lambert-St Louis - BTM Butte Silver Bow Co

STLBTM

Lambert-St Louis

Thu 8/27

9:30 am-10:26 pm

2 stops13h 56m

Butte Silver Bow Co

Mon 8/31

8:37 am-7:16 pm

2 stops9h 39m

$419

Quickest round-trip

St. LouisButte

STL Lambert-St Louis - BTM Butte Silver Bow Co

STLBTM

Lambert-St Louis

Sat 11/14

4:39 pm-10:43 pm

1 stop7h 04m

Butte Silver Bow Co

Wed 11/18

10:15 am-4:57 pm

1 stop5h 42m

$424

St. LouisButte

STL Lambert-St Louis - BTM Butte Silver Bow Co

STLBTM

Lambert-St Louis

Sat 11/14

11:15 am-10:43 pm

2 stops12h 28m

Butte Silver Bow Co

Wed 11/18

10:15 am-4:57 pm

1 stop5h 42m

$434

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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 airlines fly to Butte?

United Airlines, Delta and Southwest are the top three most popular airlines that fly to Butte from St. Louis according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Butte. Keep in mind that there are 4 different airlines that fly to Butte on a routine basis, so you have a few additional options to choose from.

When to book flights from St. Louis to Butte

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

Estimated round-trip price

Cheap St. Louis to Butte (STL to BTM) flight deals and tips

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

Fastest flight time	6h 46m
Direct flights	None

The fastest flight from St. Louis to Butte takes 6h 46m

There are no direct flights from St. Louis to Butte. There are no popular flight routes from St. Louis to Butte.

Search flight deals

Frequently asked questions about flying from St. Louis to Butte

How far is Lambert-St Louis to Butte Silver Bow Co by plane?
Lambert-St Louis and Butte Silver Bow Co are 1243.5 mi apart from one another. Flights usually cover this in 6h 46m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Lambert-St Louis Airport to Butte Silver Bow Co Airport?
Prices for flights from Lambert-St Louis Airport to Butte Silver Bow Co Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Butte Silver Bow Co Airport?
As of August 2026, there is 1 operator available to choose from for flights from Lambert-St Louis Airport to Butte Silver Bow Co Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Butte Silver Bow Co Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Butte Silver Bow Co Airport.
What documentation or ID do you need to fly to Butte Silver Bow Co Airport?
The travel and health documents required for your trip to Butte Silver Bow Co Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Butte Silver Bow Co Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from St. Louis to Butte?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Butte is United Airlines (100% of total bookings).

Best airlines flying from St. Louis to Butte

Compare and see reviews for airlines that fly from St. Louis to Butte with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $275	Free Cancellation	Rating 7.4 10,114 reviews		Search United Airlines flights

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