$199 Cheap Flights from Butte (BTM) to Seattle (SEA)

View $199 flight on Fri, Dec 12, 2025Opens in a new window

Popular airlines from Butte, MT (BTM-Bert Mooney) to Seattle-Tacoma International Airport (SEA)

Cheap Flights from Butte to Seattle (BTM-SEA)

Prices were available within the past 7 days and start at $199 for one-way flights and $224 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Jan 10 - Sat, Jan 24
BTM
Butte
SEA
Seattle
$224 Roundtrip, found 2 hours ago
$224
Roundtrip
found 2 hours ago
Select Delta flight, departing Sat, Jan 10 from Butte to Seattle, returning Sat, Jan 24, priced at $224 found 2 hours ago
Delta
Tue, Dec 9 - Fri, Jan 9
BTM
Butte
SEA
Seattle
$239 Roundtrip, found 19 hours ago
$239
Roundtrip
found 19 hours ago
Select Delta flight, departing Tue, Dec 9 from Butte to Seattle, returning Fri, Jan 9, priced at $239 found 19 hours ago
Delta
Mon, Jan 5 - Sat, Jan 24
BTM
Butte
SEA
Seattle
$259 Roundtrip, found 2 hours ago
$259
Roundtrip
found 2 hours ago
Select Delta flight, departing Mon, Jan 5 from Butte to Seattle, returning Sat, Jan 24, priced at $259 found 2 hours ago
Delta
Sat, Nov 15 - Tue, Nov 18
BTM
Butte
SEA
Seattle
$274 Roundtrip, found 3 hours ago
$274
Roundtrip
found 3 hours ago
Select Delta flight, departing Sat, Nov 15 from Butte to Seattle, returning Tue, Nov 18, priced at $274 found 3 hours ago
Delta
Tue, Nov 4 - Mon, Nov 17
BTM
Butte
SEA
Seattle
$284 Roundtrip, found 1 day ago
$284
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 4 from Butte to Seattle, returning Mon, Nov 17, priced at $284 found 1 day ago
Delta
Sat, Nov 15 - Sun, Nov 23
BTM
Butte
SEA
Seattle
$294 Roundtrip, found 3 hours ago
$294
Roundtrip
found 3 hours ago
Select Delta flight, departing Sat, Nov 15 from Butte to Seattle, returning Sun, Nov 23, priced at $294 found 3 hours ago
United
Fri, Nov 21 - Tue, Dec 2
BTM
Butte
SEA
Seattle
$299 Roundtrip, found 3 hours ago
$299
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Nov 21 from Butte to Seattle, returning Tue, Dec 2, priced at $299 found 3 hours ago
Delta
Sat, Nov 8 - Sat, Nov 15
BTM
Butte
SEA
Seattle
$304 Roundtrip, just found
$304
Roundtrip
just found
Select Delta flight, departing Sat, Nov 8 from Butte to Seattle, returning Sat, Nov 15, priced at $304 just found
Delta
Wed, Dec 17 - Mon, Jan 5
BTM
Butte
SEA
Seattle
$307 Roundtrip, found 2 hours ago
$307
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Dec 17 from Butte to Seattle, returning Mon, Jan 5, priced at $307 found 2 hours ago
Delta
Tue, Nov 4 - Sat, Nov 8
BTM
Butte
SEA
Seattle
$314 Roundtrip, found 1 day ago
$314
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 4 from Butte to Seattle, returning Sat, Nov 8, priced at $314 found 1 day ago

Alternative airports near Seattle

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

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $239
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $239

Frequently asked questions

How much does a flight from Bert Mooney Airport (BTM) to Seattle - Tacoma Intl. Airport (SEA) cost?
Snag a cheap one-way flight from $199 or cheap return flight from $224 from Bert Mooney Airport (BTM) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Bert Mooney Airport (BTM) to Seattle - Tacoma Intl. Airport (SEA)?
January is the most affordable month to fly from BTM to SEA. Traveling during quieter months is often the key to scoring lower fares.
Which airlines fly direct from Bert Mooney Airport (BTM) to Seattle - Tacoma Intl. Airport (SEA)?
You can't take a direct flight to Seattle - Tacoma Intl. Airport (SEA) from Butte, MT (BTM-Bert Mooney). However, you can arrive in Seattle without any layovers by leaving from Helena Regional Airport (HLN).
What is the cheapest airline that flies from Bert Mooney Airport (BTM) to Seattle - Tacoma Intl. Airport (SEA)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest BTM to SEA flight.
How many flights per day from Bert Mooney Airport (BTM) to Seattle - Tacoma Intl. Airport (SEA)?
Direct flights from Bert Mooney Airport (BTM) to Seattle - Tacoma Intl. Airport (SEA) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BTM to SEA?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on various factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bert Mooney Airport (BTM) to Seattle - Tacoma Intl. Airport (SEA)?
To arrive at Seattle - Tacoma Intl. Airport (SEA) without delays, select a flight that leaves from Bert Mooney Airport (BTM) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Bert Mooney Airport (BTM) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Holding off until just before your departure to book a ticket from BTM to SEA generally means paying more. While you may come across some last-minute deals, they aren't always guaranteed. Be flexible with your itinerary to boost your chances of snagging a bargain.
Is it cheaper to book a BTM to SEA flight and hotel package?
Securing a BTM to SEA flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our wide range of stays and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Bert Mooney Airport (BTM) to Seattle - Tacoma Intl. Airport (SEA)?
Typically, you can cancel or modify your BTM to SEA flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you want more information, visit our Customer Service portal.

Travel information

Origin airport
Bert Mooney
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Delta, United
Roundtrip price
$224
Distance
475 mi

Book with confidence

Butte to Seattle Flights

The cheapest times to fly from Butte to Seattle

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

 

The best time to book a flight from Butte to Seattle

Sunday is one of the best days to book for cheap flights from Butte to Seattle: 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 Butte to Seattle

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 Butte to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $199 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 Butte to Seattle 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 Butte to Seattle 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.

 

Butte to Seattle Flights

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*Available to One Key members.