$136 Cheap Flights from Denver (DEN) to Butte (BTM)

View $136 flight on Wed, Aug 27, 2025Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Butte, MT (BTM-Bert Mooney)

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Cheap Flights from Denver to Butte (DEN-BTM)

Prices were available within the past 7 days and start at $136 for one-way flights and $205 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Feb 13 - Mon, Feb 16
DEN
Denver
BTM
Butte
$205 Roundtrip, found 15 hours ago
$205
Roundtrip
found 15 hours ago
Select United flight, departing Fri, Feb 13 from Denver to Butte, returning Mon, Feb 16, priced at $205 found 15 hours ago
United
Fri, Aug 15 - Thu, Aug 21
DEN
Denver
BTM
Butte
$215 Roundtrip, found 2 days ago
$215
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 15 from Denver to Butte, returning Thu, Aug 21, priced at $215 found 2 days ago
Delta
Sat, Feb 14 - Tue, Feb 17
DEN
Denver
BTM
Butte
$224 Roundtrip, found 15 hours ago
$224
Roundtrip
found 15 hours ago
Select Delta flight, departing Sat, Feb 14 from Denver to Butte, returning Tue, Feb 17, priced at $224 found 15 hours ago
Delta
Tue, Sep 16 - Sun, Sep 21
DEN
Denver
BTM
Butte
$234 Roundtrip, found 15 hours ago
$234
Roundtrip
found 15 hours ago
Select Delta flight, departing Tue, Sep 16 from Denver to Butte, returning Sun, Sep 21, priced at $234 found 15 hours ago
Delta
Mon, Sep 15 - Sun, Sep 21
DEN
Denver
BTM
Butte
$244 Roundtrip, found 15 hours ago
$244
Roundtrip
found 15 hours ago
Select Delta flight, departing Mon, Sep 15 from Denver to Butte, returning Sun, Sep 21, priced at $244 found 15 hours ago
United
Mon, Aug 11 - Sun, Aug 17
DEN
Denver
BTM
Butte
$255 Roundtrip, found 2 days ago
$255
Roundtrip
found 2 days ago
Select United flight, departing Mon, Aug 11 from Denver to Butte, returning Sun, Aug 17, priced at $255 found 2 days ago
Delta
Mon, Aug 25 - Thu, Sep 11
DEN
Denver
BTM
Butte
$269 Roundtrip, found 2 days ago
$269
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Aug 25 from Denver to Butte, returning Thu, Sep 11, priced at $269 found 2 days ago
Delta
Sat, Aug 9 - Tue, Aug 12
DEN
Denver
BTM
Butte
$279 Roundtrip, found 2 days ago
$279
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Aug 9 from Denver to Butte, returning Tue, Aug 12, priced at $279 found 2 days ago
United
Mon, Sep 1 - Mon, Sep 8
DEN
Denver
BTM
Butte
$290 Roundtrip, found 15 hours ago
$290
Roundtrip
found 15 hours ago
Select United flight, departing Mon, Sep 1 from Denver to Butte, returning Mon, Sep 8, priced at $290 found 15 hours ago
Delta
Sat, Feb 14 - Tue, Feb 17
DEN
Denver
BTM
Butte
$294 Roundtrip, found 15 hours ago
$294
Roundtrip
found 15 hours ago
Select Delta flight, departing Sat, Feb 14 from Denver to Butte, returning Tue, Feb 17, priced at $294 found 15 hours ago

Find the cheapest month to fly from Denver (DEN) to Butte (BTM)

May is typically the cheapest month to fly

From $204 - $518 per traveler.

Graph displaying average flight prices per month

Alternative airports near Butte

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Bert Mooney BTM. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $245
BTM
Bert Mooney
CheapestClosest
Average driving time to city center8 min
Flights from $245
Flights from Denver (DEN) to Butte (BTM)
Origin airport
Denver Intl.
Destination airport
Bert Mooney
Airlines serving
Delta, United
Roundtrip price
$204
Distance
578 mi
Average flight time
2 hours 2 mins

Denver to Butte Flights

The cheapest times to fly from Denver to Butte

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Butte are during the month of February. You can find some of the cheapest flights from Denver to Butte with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Butte

Sunday is one of the best days to book for cheap flights from Denver to Butte: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Denver to Butte

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Butte in 2025. You can also book with separate airlines for your outbound and return journeys, from $136 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Butte flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Butte airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Bert Mooney Airport (BTM) cost?
Cheap round-trip fares from Denver Intl. Airport (DEN) to Bert Mooney Airport (BTM) start from $205. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving DEN on August 16 2025 and touching down at BTM. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from DEN to BTM?
The cheapest flights from DEN to BTM are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Denver Intl. Airport (DEN) to Bert Mooney Airport (BTM)?
Take a direct flight with United Airlines and head straight from Denver Intl. Airport (DEN) to Bert Mooney Airport (BTM).
What is the cheapest airline that flies from DEN to BTM?
Right now, the cheapest carrier operating one-way flights from DEN to BTM is United. You can book a seat on this route from $309. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DEN on July 27 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Denver Intl. Airport (DEN) to Bert Mooney Airport (BTM)?
On average, just 1 nonstop flight departs daily from Denver Intl. Airport (DEN) to Bert Mooney Airport (BTM). Looking for more options? Use Expedia's filters to discover flights with layovers and squeeze in a visit to another city along the way.
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to Bert Mooney Airport (BTM)?
More travelers fly between DEN and BTM at 8 PM than at any other time of day. Rather go when it's quieter? Consider flying outside peak hours and there's a chance you'll save on your ticket as well.
What day of the week has the most flights from DEN to BTM?
Travel on a Sunday if you're looking for the best selection of flights from Denver Intl. Airport (DEN) to Bert Mooney Airport (BTM).
What is the earliest flight from Denver Intl. Airport (DEN) to Bert Mooney Airport (BTM)?
Denver Intl. Airport (DEN)'s earliest flight to Bert Mooney Airport (BTM) is at approximately 8:20PM UTC-7. With a total journey time of 2h 4m, you'll arrive at around 10:24PM UTC-7.
How long does it take to fly from Denver Intl. Airport (DEN) to Bert Mooney Airport (BTM)?
The average flight duration from DEN to BTM is 2 hours and 4 minutes, covering a distance of 580 mi.
What is the best time to fly from Denver Intl. Airport (DEN) to Bert Mooney Airport (BTM)?
Select a flight from Denver Intl. Airport (DEN) to Bert Mooney Airport (BTM) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Butte from Denver Intl. Airport (DEN)?
Take a direct flight from Denver Intl. Airport (DEN) to Butte and land at Helena Regional Airport (HLN). An alternative entry point into this destination is Bert Mooney Airport (BTM).
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Bert Mooney Airport (BTM) last-minute?
Holding off until right before your break to book a flight from DEN to BTM often results in higher prices. While you might find some last-minute deals, they're not always guaranteed. Keep your travel plans flexible to maximize your chances of snagging a bargain.
Is it cheaper to book a DEN to BTM flight and hotel package?
Securing a DEN to BTM flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our wide range of stays and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Bert Mooney Airport (BTM)?
It's generally possible to reschedule or cancel your DEN to BTM flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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