$338 Cheap Flights from Baltimore (BWI) to Butte (BTM)

View $338 flight on Sat, Apr 4, 2026Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Butte, MT (BTM-Bert Mooney)

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Cheap Flights from Baltimore to Butte (BWI-BTM)

Prices were available within the past 7 days and start at $338 for one-way flights and $290 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Apr 4 - Wed, Apr 8
BWI
Baltimore
BTM
Butte
$290 Roundtrip, found 1 day ago
$290
Roundtrip
found 1 day ago
Select United flight, departing Sat, Apr 4 from Baltimore to Butte, returning Wed, Apr 8, priced at $290 found 1 day ago
United
Sat, Apr 4 - Wed, Apr 8
BWI
Baltimore
BTM
Butte
$460 Roundtrip, found 1 day ago
$460
Roundtrip
found 1 day ago
Select United flight, departing Sat, Apr 4 from Baltimore to Butte, returning Wed, Apr 8, priced at $460 found 1 day ago
Delta
Sat, Apr 4 - Wed, Apr 8
BWI
Baltimore
BTM
Butte
$469 Roundtrip, found 1 day ago
$469
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Apr 4 from Baltimore to Butte, returning Wed, Apr 8, priced at $469 found 1 day ago
United
Sat, Apr 4 - Wed, Apr 8
BWI
Baltimore
BTM
Butte
$527 Roundtrip, found 1 day ago
$527
Roundtrip
found 1 day ago
Select United flight, departing Sat, Apr 4 from Baltimore to Butte, returning Wed, Apr 8, priced at $527 found 1 day ago
United
Sat, Apr 4 - Wed, Apr 8
BWI
Baltimore
BTM
Butte
$537 Roundtrip, found 1 day ago
$537
Roundtrip
found 1 day ago
Select United flight, departing Sat, Apr 4 from Baltimore to Butte, returning Wed, Apr 8, priced at $537 found 1 day ago
Delta
Sat, Apr 4 - Wed, Apr 8
BWI
Baltimore
BTM
Butte
$559 Roundtrip, found 1 day ago
$559
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Apr 4 from Baltimore to Butte, returning Wed, Apr 8, priced at $559 found 1 day ago
Delta
Sat, Apr 4 - Wed, Apr 8
BWI
Baltimore
BTM
Butte
$579 Roundtrip, found 1 day ago
$579
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Apr 4 from Baltimore to Butte, returning Wed, Apr 8, priced at $579 found 1 day ago

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bert Mooney Airport (BTM) cost?
Snag a cheap one-way flight from $338 or cheap return flight from $290 from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bert Mooney Airport (BTM)?
April is the cheapest month to fly from BWI to BTM. Traveling during quieter months is often the key to better flight prices.
What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bert Mooney Airport (BTM)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from BWI to BTM. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bert Mooney Airport (BTM)?
Nonstop flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) 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 dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BWI to BTM?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on a number of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bert Mooney Airport (BTM)?
To arrive at Bert Mooney Airport (BTM) on time, pick a flight that takes off from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bert Mooney Airport (BTM) last-minute?
Holding off until right before your break to book your flight from BWI to BTM generally means paying more. While you may come across some last-minute discounts, they're not always guaranteed. Keep your travel schedule open for the best chance of scoring a bargain.
Is it cheaper to book a BWI to BTM flight and hotel package?
Compared with arranging hotels and flights separately, booking a BWI to BTM flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place takes the hassle out of planning your trip. Simply secure your flights and choose from our wide range of hotels, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bert Mooney Airport (BTM)?
Generally, it's possible to cancel or reschedule your BWI to BTM flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Bert Mooney
Airlines serving
Delta, United
Roundtrip price
$289
Distance
1865 mi

Book with confidence

Baltimore to Butte Flights

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

 

The best time to book a flight from Baltimore to Butte

Sunday is one of the best days to book for cheap flights from Baltimore 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 Baltimore 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 Baltimore to Butte in 2025. You can also book with separate airlines for your outbound and return journeys, from $338 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 Baltimore 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 Baltimore 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.

 

Baltimore to Butte Flights

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*Available to One Key members.