Which airports can I use when flying from St. Louis to Butte?

Flights from St. Louis to Butte usually depart from Lambert-St Louis (STL) and arrive at Butte Silver Bow Co (BTM).

Which airports do connecting flights from St. Louis to Butte pass through?

Most connecting flights from St. Louis to Butte pass through Denver Intl (DEN), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

Can I save money by using flexible dates for flights from St. Louis to Butte?

Yes. Being flexible with your travel dates can save you up to 61% on the St. Louis to Butte route. Wednesday is the cheapest departure day at $275 round-trip on average, while Thursday is the most expensive at $704, a difference of $429. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Do I need a passport to fly from St. Louis to Butte?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Have flight prices from St. Louis to Butte changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $439 to $869. That means the highest observed fare was about 97% higher than the lowest one.

What is the time difference between St. Louis and Butte?

Butte is 1 hour behind St. Louis (Mountain Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

What is the cheapest airline to fly from St. Louis to Butte?

United Airlines ($439) offered the cheapest round-trip ticket from St. Louis to Butte in the last 5 days.

What is the cheapest layover airport when flying from St. Louis to Butte?

Flights via Denver Intl (DEN) offer the most affordable fares, with an average round-trip price of $525. Based on KAYAK data over the past 3 months.

When flying from St. Louis to Butte which airport offers the shortest layover?

Denver Intl (DEN) had the shortest average connection time for St. Louis to Butte layovers at 251 minutes over the past 3 months.

$439 CHEAP FLIGHTS from St. Louis to Butte (STL - BTM)

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Cheapest round-trip

$439

Typical prices: $453-$646

United Airlines

Tue 2/6Fri 2/9

STL - BTM • 2 stops

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Flight Deals

Cheap Flights from St. Louis to Butte (STL-BTM)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from St. Louis to Butte

Sat, Feb 6 - Tue, Feb 9

9:22 am - 6:40 pmSTL Lambert-St Louis-BTM Butte Silver Bow Co

10h 18m2 stops Chicago O'Hare Intl Denver Intl

9:30 am - 11:24 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

12h 54m2 stops Denver Intl Chicago O'Hare Intl

$439United Airlines

Sat, Feb 6 - Tue, Feb 9

9:22 am - 6:40 pmSTL Lambert-St Louis-BTM Butte Silver Bow Co

10h 18m2 stops Chicago O'Hare Intl Denver Intl

9:30 am - 11:24 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

12h 54m2 stops Denver Intl Chicago O'Hare Intl

$459United Airlines

Sat, Feb 6 - Tue, Feb 9

8:05 am - 6:40 pmSTL Lambert-St Louis-BTM Butte Silver Bow Co

11h 35m2 stops Chicago O'Hare Intl Denver Intl

9:30 am - 12:43 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

26h 13m1 stop Denver Intl

$477United Airlines

Sat, Feb 6 - Tue, Feb 9

8:05 am - 6:40 pmSTL Lambert-St Louis-BTM Butte Silver Bow Co

11h 35m2 stops Chicago O'Hare Intl Denver Intl

9:30 am - 12:43 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

26h 13m1 stop Denver Intl

$487United Airlines

Fri, Nov 6 - Tue, Nov 10

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

$539United Airlines

Sat, Feb 6 - Tue, Feb 9

9:22 am - 6:40 pmSTL Lambert-St Louis-BTM Butte Silver Bow Co

10h 18m2 stops Chicago O'Hare Intl Denver Intl

9:30 am - 4:26 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

5h 56m1 stop Denver Intl

$539United Airlines

Fri, Nov 6 - Tue, Nov 10

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

7h 04m1 stop Denver Intl

10:15 am - 9:40 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

10h 25m2 stops Denver Intl Chicago O'Hare Intl

$549United Airlines

Booking Insights

Price, demand and travel trends for St. Louis to Butte flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from St. Louis to Butte with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from St. Louis to Butte?

Round-trip flights from St. Louis to Butte start at $439. Prices are below average for this route right now, with typical round-trip fares ranging from $453 to $646. The lowest price found in the past 5 days was $439 on United Airlines.

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Cheapest flight	$439

Flight from St. Louis to Butte

When to book flights from St. Louis to Butte

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

Which airports can I use when flying from St. Louis to Butte?
Flights from St. Louis to Butte usually depart from Lambert-St Louis (STL) and arrive at Butte Silver Bow Co (BTM).
Which airports do connecting flights from St. Louis to Butte pass through?
Most connecting flights from St. Louis to Butte pass through Denver Intl (DEN), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.
Can I save money by using flexible dates for flights from St. Louis to Butte?
Yes. Being flexible with your travel dates can save you up to 61% on the St. Louis to Butte route. Wednesday is the cheapest departure day at $275 round-trip on average, while Thursday is the most expensive at $704, a difference of $429. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
Do I need a passport to fly from St. Louis to Butte?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
Have flight prices from St. Louis to Butte changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $439 to $869. That means the highest observed fare was about 97% higher than the lowest one.
What is the time difference between St. Louis and Butte?
Butte is 1 hour behind St. Louis (Mountain Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates can be flexible, aim for a Wednesday departure instead of Thursday. On this route, Wednesday flights average $275 - about $429 less than Thursday (61% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Butte Silver Bow Co Airport.
- Best Western Plus Butte Plaza Inn
- Copper King Convention Center, an Ascend Collection Hotel
- Hampton Inn Butte

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STL - BTM

$439 Find Cheap Flights from St. Louis to Butte - Compare and Save

Everything you should know

Cheap Flights from St. Louis to Butte (STL-BTM)

Recent round-trip flight deals from St. Louis to Butte

Recent one-way flight deals from St. Louis to Butte

Price, demand and travel trends for St. Louis to Butte flights

How much is a round-trip flight from St. Louis to Butte?

What is the cheapest airline to fly from St. Louis to Butte?

What is the cheapest layover airport when flying from St. Louis to Butte?

When flying from St. Louis to Butte which airport offers the shortest layover?

Key details for St. Louis to Butte flights

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When to book flights from St. Louis to Butte

Your St. Louis to Butte flight questions, answered

Your guide to booking St. Louis to Butte flights

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