$342 Cheap Flights from Greenville (GSP) to Butte (BTM)

View $342 flight on Wed, Nov 26, 2025Opens in a new window

Popular airlines from Greenville-Spartanburg Intl. Airport (GSP) to Butte, MT (BTM-Bert Mooney)

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Cheap Flights from Greenville to Butte (GSP-BTM)

Prices were available within the past 7 days and start at $342 for one-way flights and $385 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Nov 26 - Wed, Dec 3
GSP
Greenville
BTM
Butte
$385 Roundtrip, found 4 days ago
$385
Roundtrip
found 4 days ago
Select United flight, departing Wed, Nov 26 from Greenville to Butte, returning Wed, Dec 3, priced at $385 found 4 days ago
United
Thu, Nov 27 - Sat, Dec 6
GSP
Greenville
BTM
Butte
$414 Roundtrip, found 4 days ago
$414
Roundtrip
found 4 days ago
Select United flight, departing Thu, Nov 27 from Greenville to Butte, returning Sat, Dec 6, priced at $414 found 4 days ago
United
Thu, Nov 27 - Fri, Dec 5
GSP
Greenville
BTM
Butte
$439 Roundtrip, found 4 days ago
$439
Roundtrip
found 4 days ago
Select United flight, departing Thu, Nov 27 from Greenville to Butte, returning Fri, Dec 5, priced at $439 found 4 days ago
United
Thu, Nov 20 - Wed, Dec 3
GSP
Greenville
BTM
Butte
$454 Roundtrip, found 4 days ago
$454
Roundtrip
found 4 days ago
Select United flight, departing Thu, Nov 20 from Greenville to Butte, returning Wed, Dec 3, priced at $454 found 4 days ago
United
Thu, Nov 20 - Thu, Nov 27
GSP
Greenville
BTM
Butte
$468 Roundtrip, found 4 days ago
$468
Roundtrip
found 4 days ago
Select United flight, departing Thu, Nov 20 from Greenville to Butte, returning Thu, Nov 27, priced at $468 found 4 days ago
United
Wed, Nov 26 - Wed, Dec 3
GSP
Greenville
BTM
Butte
$475 Roundtrip, found 4 days ago
$475
Roundtrip
found 4 days ago
Select United flight, departing Wed, Nov 26 from Greenville to Butte, returning Wed, Dec 3, priced at $475 found 4 days ago
United
Wed, Nov 26 - Fri, Dec 5
GSP
Greenville
BTM
Butte
$479 Roundtrip, found 4 days ago
$479
Roundtrip
found 4 days ago
Select United flight, departing Wed, Nov 26 from Greenville to Butte, returning Fri, Dec 5, priced at $479 found 4 days ago
United
Thu, Nov 27 - Wed, Dec 3
GSP
Greenville
BTM
Butte
$484 Roundtrip, found 4 days ago
$484
Roundtrip
found 4 days ago
Select United flight, departing Thu, Nov 27 from Greenville to Butte, returning Wed, Dec 3, priced at $484 found 4 days ago
United
Wed, Nov 26 - Wed, Dec 3
GSP
Greenville
BTM
Butte
$496 Roundtrip, found 4 days ago
$496
Roundtrip
found 4 days ago
Select United flight, departing Wed, Nov 26 from Greenville to Butte, returning Wed, Dec 3, priced at $496 found 4 days ago
Delta
Thu, Nov 20 - Tue, Dec 2
GSP
Greenville
BTM
Butte
$519 Roundtrip, found 4 days ago
$519
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Nov 20 from Greenville to Butte, returning Tue, Dec 2, priced at $519 found 4 days ago

Frequently asked questions

How much does a flight from Greenville-Spartanburg Intl. Airport (GSP) to Bert Mooney Airport (BTM) cost?
Snag a cheap one-way flight from $342 or cheap return flight from $385 from Greenville-Spartanburg Intl. Airport (GSP) to Bert Mooney Airport (BTM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Greenville-Spartanburg Intl. Airport (GSP) to Bert Mooney Airport (BTM)?
Flying in November is a great way to save, as it's the cheapest month for flights between GSP and BTM. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Greenville-Spartanburg Intl. Airport (GSP) to Bert Mooney Airport (BTM)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from GSP to BTM. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Greenville-Spartanburg Intl. Airport (GSP) to Bert Mooney Airport (BTM)?
Nonstop flights from Greenville-Spartanburg Intl. Airport (GSP) to Bert Mooney Airport (BTM) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GSP to BTM?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on various factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Greenville-Spartanburg Intl. Airport (GSP) to Bert Mooney Airport (BTM)?
To touch down at Bert Mooney Airport (BTM) on time, opt for a flight that takes off from Greenville-Spartanburg Intl. Airport (GSP) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Greenville-Spartanburg Intl. Airport (GSP) to Bert Mooney Airport (BTM) last-minute?
Last-minute fares from GSP to BTM are typically more expensive. For the lowest prices, start looking for flights well ahead of time. That being said, if your travel plans are flexible, you may land a cheap ticket just before your departure.
Is it cheaper to book a GSP to BTM flight and hotel package?
Compared with arranging flights and hotels separately, booking a GSP to BTM flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place takes the hassle out of travel planning. Simply pick your flights and choose from our wide range of stays, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Greenville-Spartanburg Intl. Airport (GSP) to Bert Mooney Airport (BTM)?
If you booked your GSP to BTM flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Origin airport
Greenville-Spartanburg Intl.
Destination airport
Bert Mooney
Roundtrip price
$384
Distance
1752 mi

Book with confidence

Greenville to Butte Flights

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

 

The best time to book a flight from Greenville to Butte

Sunday is one of the best days to book for cheap flights from Greenville 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 Greenville 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 Greenville to Butte in 2025. You can also book with separate airlines for your outbound and return journeys, from $342 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 Greenville 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 Greenville 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.

 

Greenville to Butte Flights

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*Available to One Key members.