$348 Cheap Flights from Philadelphia (PHL) to Butte (BTM)

View $348 flight on Sat, Jan 24, 2026Opens in a new window

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

Cheap Flights from Philadelphia to Butte (PHL-BTM)

Prices were available within the past 7 days and start at $348 for one-way flights and $299 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Jan 24 - Tue, Jan 27
PHL
Philadelphia
BTM
Butte
$299 Roundtrip, found 8 hours ago
$299
Roundtrip
found 8 hours ago
Select Delta flight, departing Sat, Jan 24 from Philadelphia to Butte, returning Tue, Jan 27, priced at $299 found 8 hours ago
Delta
Fri, Jan 23 - Tue, Jan 27
PHL
Philadelphia
BTM
Butte
$364 Roundtrip, found 8 hours ago
$364
Roundtrip
found 8 hours ago
Select Delta flight, departing Fri, Jan 23 from Philadelphia to Butte, returning Tue, Jan 27, priced at $364 found 8 hours ago
United
Wed, Jan 21 - Sat, Jan 24
PHL
Philadelphia
BTM
Butte
$384 Roundtrip, found 8 hours ago
$384
Roundtrip
found 8 hours ago
Select United flight, departing Wed, Jan 21 from Philadelphia to Butte, returning Sat, Jan 24, priced at $384 found 8 hours ago
Delta
Sat, Jan 24 - Tue, Jan 27
PHL
Philadelphia
BTM
Butte
$389 Roundtrip, found 8 hours ago
$389
Roundtrip
found 8 hours ago
Select Delta flight, departing Sat, Jan 24 from Philadelphia to Butte, returning Tue, Jan 27, priced at $389 found 8 hours ago
Delta
Mon, Jan 26 - Fri, Jan 30
PHL
Philadelphia
BTM
Butte
$392 Roundtrip, found 8 hours ago
$392
Roundtrip
found 8 hours ago
Select Delta flight, departing Mon, Jan 26 from Philadelphia to Butte, returning Fri, Jan 30, priced at $392 found 8 hours ago
United
Tue, Nov 18 - Wed, Nov 26
PHL
Philadelphia
BTM
Butte
$444 Roundtrip, found 3 days ago
$444
Roundtrip
found 3 days ago
Select United flight, departing Tue, Nov 18 from Philadelphia to Butte, returning Wed, Nov 26, priced at $444 found 3 days ago
United
Mon, Nov 17 - Wed, Nov 26
PHL
Philadelphia
BTM
Butte
$454 Roundtrip, found 3 days ago
$454
Roundtrip
found 3 days ago
Select United flight, departing Mon, Nov 17 from Philadelphia to Butte, returning Wed, Nov 26, priced at $454 found 3 days ago
United
Wed, Jan 21 - Mon, Jan 26
PHL
Philadelphia
BTM
Butte
$464 Roundtrip, found 8 hours ago
$464
Roundtrip
found 8 hours ago
Select United flight, departing Wed, Jan 21 from Philadelphia to Butte, returning Mon, Jan 26, priced at $464 found 8 hours ago
United
Sat, Jan 24 - Tue, Jan 27
PHL
Philadelphia
BTM
Butte
$468 Roundtrip, found 8 hours ago
$468
Roundtrip
found 8 hours ago
Select United flight, departing Sat, Jan 24 from Philadelphia to Butte, returning Tue, Jan 27, priced at $468 found 8 hours ago
United
Fri, Nov 14 - Thu, Nov 20
PHL
Philadelphia
BTM
Butte
$489 Roundtrip, found 3 days ago
$489
Roundtrip
found 3 days ago
Select United flight, departing Fri, Nov 14 from Philadelphia to Butte, returning Thu, Nov 20, priced at $489 found 3 days ago

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Bert Mooney Airport (BTM) cost?
Get a cheap one-way flight from $348 or cheap return flight from $299 from Philadelphia Intl. Airport (PHL) to Bert Mooney Airport (BTM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to Bert Mooney Airport (BTM)?
January is the most affordable month to fly from PHL to BTM. Planning your trip for the off-season is often the key to better flight prices.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Bert Mooney Airport (BTM)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from PHL to BTM. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Philadelphia Intl. Airport (PHL) to Bert Mooney Airport (BTM)?
Direct flights from Philadelphia Intl. Airport (PHL) to Bert Mooney Airport (BTM) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PHL to BTM?
Generally you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Bert Mooney Airport (BTM)?
Book a flight from Philadelphia Intl. Airport (PHL) to Bert Mooney Airport (BTM) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures later than this 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.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Bert Mooney Airport (BTM) last-minute?
Last-minute fares from PHL to BTM are generally more expensive. To secure the lowest rates, start searching for flights as early as possible. That said, if you're flexible with your travel dates, you may land a cheap fare right before your trip.
Is it cheaper to book a PHL to BTM flight and hotel package?
You'll generally save money by securing a PHL to BTM flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've chosen your ideal accommodations and flights, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Bert Mooney Airport (BTM)?
Typically, you can cancel or modify your PHL to BTM flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you want more information, visit our Customer Service portal.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Bert Mooney
Airlines serving
Delta, United
Roundtrip price
$299
Distance
1913 mi

Book with confidence

Philadelphia to Butte Flights

The cheapest times to fly from Philadelphia 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 Philadelphia to Butte are during the month of January. You can find some of the cheapest flights from Philadelphia to Butte with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Butte

Sunday is one of the best days to book for cheap flights from Philadelphia 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 Philadelphia 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 Philadelphia to Butte in 2025. You can also book with separate airlines for your outbound and return journeys, from $348 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 Philadelphia 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 Philadelphia 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.

 

Philadelphia to Butte Flights

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*Available to One Key members.