$327+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BTM
Aug 3 — Aug 101
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Butte
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Butte (BTM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2025.
Round-trip from | $327 (United Airlines) |
|---|
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 July 29, 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 July 29, 2025.
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/124:45 pmSTL - BTM
1 stop6h 47mUnited Airlines
Sat 8/1610:25 amBTM - STL
1 stop5h 06mUnited Airlines
Deal found 7/28![United Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/138:46 amSTL - BTM
2 stops9h 20mDelta
Sun 8/176:14 pmBTM - STL
1 stop5h 24mDelta
Deal found 7/29![Delta logo]()
$354
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Butte that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from St. Louis to Butte that are best for you.
Fly from
St. Louis
Fly to
Butte
Route
Depart
Return
Price
St. LouisButte
STL - BTM
STLBTM
Lambert-St Louis
Tue 8/12
4:45 pm-10:32 pm
1 stop6h 47m
Butte Silver Bow Co
Sat 8/16
10:25 am-4:31 pm
1 stop5h 06m
$327
St. LouisButte
STL - BTM
STLBTM
Lambert-St Louis
Sat 12/13
6:30 am-5:05 pm
2 stops11h 35m
Butte Silver Bow Co
Mon 12/15
6:10 pm-12:37 am
1 stop5h 27m
$392
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
Get insights into the airlines that provide service to Butte. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Butte. Reviews last updated July 29, 2025.
Read through reviews of airlines operating flights from St. Louis to Butte, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.3
Comfort
7.9
Overall
8.0
Crew
8.5
Boarding
8.2
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Food
7.3
Comfort
7.9
Overall
8.0
Crew
8.5
Boarding
8.2
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Food
7.3
Comfort
7.9
Overall
8.0
Crew
8.5
Boarding
8.2
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
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.
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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
Discover the top airline that operate flights from St. Louis to Butte. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$344 | Average$439 | FlexibilityNo cancel fee | On-time69% |