BTM - STL

$499 Find Cheap Flights from Butte to St. Louis - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$499
Typical prices: $564-$584
United Airlines
Tue 1/30Sat 2/3
BTM - STL • 2 stops
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Flight Deals

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

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

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

Sat, Jan 30 - Wed, Feb 3
United Airlines Logo
9:30 am - 7:28 pmBTM  Butte Silver Bow Co-STL Lambert-St Louis
8h 58m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
7:29 am - 6:40 pmSTL  Lambert-St Louis-BTM Butte Silver Bow Co
12h 11m2 stops Chicago O'Hare Intl Denver Intl
$499United Airlines
Sat, Jan 30 - Wed, Feb 3
United Airlines Logo
9:30 am - 9:37 pmBTM  Butte Silver Bow Co-STL Lambert-St Louis
11h 07m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
8:30 am - 6:40 pmSTL  Lambert-St Louis-BTM Butte Silver Bow Co
11h 10m2 stops Washington, D.C. Dulles Intl Denver Intl
$499United Airlines
Sat, Jan 30 - Wed, Feb 3
United Airlines Logo
9:30 am - 11:20 pmBTM  Butte Silver Bow Co-STL Lambert-St Louis
12h 50m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
9:05 am - 6:40 pmSTL  Lambert-St Louis-BTM Butte Silver Bow Co
10h 35m2 stops Chicago O'Hare Intl Denver Intl
$499United Airlines
Sat, Jan 30 - Wed, Feb 3
United Airlines Logo
9:30 am - 8:38 pmBTM  Butte Silver Bow Co-STL Lambert-St Louis
10h 08m1 stop Denver Intl
United Airlines Logo
7:29 am - 6:40 pmSTL  Lambert-St Louis-BTM Butte Silver Bow Co
12h 11m2 stops Chicago O'Hare Intl Denver Intl
$537United Airlines
Booking Insights

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

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

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

Round-trip flights from Butte to St. Louis typically range from $564 to $584. The lowest price found in the past 5 days was $499, on United Airlines.

Key details for Butte to St. Louis flights

Cheapest flight

$499
Round-trip flight from Butte to St. Louis

When to book flights from Butte to St. Louis

Are your dates flexible? Find out the best times to travel from Butte to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Butte to St. Louis flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Butte to St. Louis?

    Only Economy Class is available on flights from Butte to St. Louis.

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

    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 Butte to St. Louis changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $499 to $570. That means the highest observed fare was about 14% higher than the lowest one.

  • What car rental options are available at Lambert-St Louis Airport (STL)?

    Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates averaging $78 for economy cars. Top options include:

    • Hertz
    • Budget
    • Alamo
    • Enterprise Rent-A-Car
    • Payless

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

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

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

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

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

    Yes. Flexible dates can save you up to 4% on flights from Butte to St. Louis. Tuesday is the cheapest departure day at $563 round-trip on average, while Wednesday is the most expensive at $584, a difference of $21.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

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

  • What popular places can I visit in St. Louis?

    Some of the most popular sights in St. Louis are Busch Stadium, Enterprise Center and America's Center Convention Complex. These are among the most viewed places in St. Louis on KAYAK.

Your guide to booking Butte to St. Louis flights

Get tips on when to book, when to fly and what to know before your trip.

More options for your flight from Butte to St. Louis

Complete your trip to St. Louis with a hotel stay or car rental