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$169 Cheap Flights from Butte (BTM) to Seattle (SEA)

View $169 flight on Tue, Dec 1, 2026Opens in a new window

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

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Cheap Flights from Butte to Seattle (BTM-SEA)

Prices were available within the past 7 days and start at $169 for one-way flights and $338 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Oct 22 - Tue, Oct 27
BTM
Butte
SEA
Seattle
$338 Roundtrip, found 12 hours ago
$338
Roundtrip
found 12 hours ago
Select Delta flight, departing Thu, Oct 22 from Butte to Seattle, returning Tue, Oct 27, priced at $338 found 12 hours ago
Delta
Fri, Oct 2 - Sat, Oct 3
BTM
Butte
SEA
Seattle
$344 Roundtrip, found 11 hours ago
$344
Roundtrip
found 11 hours ago
Select Delta flight, departing Fri, Oct 2 from Butte to Seattle, returning Sat, Oct 3, priced at $344 found 11 hours ago
Delta
Thu, Oct 22 - Tue, Oct 27
BTM
Butte
SEA
Seattle
$352 Roundtrip, found 12 hours ago
$352
Roundtrip
found 12 hours ago
Select Delta flight, departing Thu, Oct 22 from Butte to Seattle, returning Tue, Oct 27, priced at $352 found 12 hours ago
Delta
Thu, Oct 22 - Tue, Oct 27
BTM
Butte
SEA
Seattle
$358 Roundtrip, found 12 hours ago
$358
Roundtrip
found 12 hours ago
Select Delta flight, departing Thu, Oct 22 from Butte to Seattle, returning Tue, Oct 27, priced at $358 found 12 hours ago
Delta
Thu, Jan 21 - Sun, Jan 24
BTM
Butte
SEA
Seattle
$362 Roundtrip, found 12 hours ago
$362
Roundtrip
found 12 hours ago
Select Delta flight, departing Thu, Jan 21 from Butte to Seattle, returning Sun, Jan 24, priced at $362 found 12 hours ago
Delta
Fri, Oct 2 - Sat, Oct 3
BTM
Butte
SEA
Seattle
$364 Roundtrip, found 11 hours ago
$364
Roundtrip
found 11 hours ago
Select Delta flight, departing Fri, Oct 2 from Butte to Seattle, returning Sat, Oct 3, priced at $364 found 11 hours ago
Delta
Thu, Jan 21 - Sun, Jan 24
BTM
Butte
SEA
Seattle
$372 Roundtrip, found 12 hours ago
$372
Roundtrip
found 12 hours ago
Select Delta flight, departing Thu, Jan 21 from Butte to Seattle, returning Sun, Jan 24, priced at $372 found 12 hours ago
Delta
Thu, Jan 21 - Sun, Jan 24
BTM
Butte
SEA
Seattle
$374 Roundtrip, found 12 hours ago
$374
Roundtrip
found 12 hours ago
Select Delta flight, departing Thu, Jan 21 from Butte to Seattle, returning Sun, Jan 24, priced at $374 found 12 hours ago
Delta
Thu, Oct 22 - Tue, Oct 27
BTM
Butte
SEA
Seattle
$377 Roundtrip, found 12 hours ago
$377
Roundtrip
found 12 hours ago
Select Delta flight, departing Thu, Oct 22 from Butte to Seattle, returning Tue, Oct 27, priced at $377 found 12 hours ago
United
Thu, Oct 29 - Sun, Nov 1
BTM
Butte
SEA
Seattle
$384 Roundtrip, found 4 hours ago
$384
Roundtrip
found 4 hours ago
Select United flight, departing Thu, Oct 29 from Butte to Seattle, returning Sun, Nov 1, priced at $384 found 4 hours ago

What you need to know for your flight from Bert Mooney to Seattle - Tacoma Intl.

Butte (BTM) to Seattle (SEA) at a glance

Travel between Butte (BTM) and Seattle (SEA) with a range of airlines on this domestic short-haul route. Compare your options for Butte to Seattle flights, from full-service carriers to budget choices, ensuring you find an itinerary that suits your travel plans, budget, and schedule. Discover essential information for flights from Bert Mooney Airport to Seattle-Tacoma International Airport as you prepare to explore the iconic sights and vibrant neighborhoods of Seattle.

  • Fastest flight duration: around 5 hours in-flight, plus roughly 3h 15m layover with one stop
  • Route distance: roughly 500 miles (805 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $135–$675, depending on seasonality and how far ahead you book

Flights from Bert Mooney Airport (BTM) to Seattle - Tacoma International Airport (SEA)

According to recent traveler bookings, the most popular airlines for flights from Butte to Seattle typically offer one-stop service, with common layover options at Denver International Airport (DEN) for approximately 3 hours and 45 minutes, and Salt Lake City International Airport (SLC) for about 3 hours. This allows you to tailor your itinerary by balancing price, total travel time, and cabin class to find the best fit for your journey.

  • United: This comprehensive airline provides one-stop service, with one-way ticket prices generally falling between $185 and $675. United represents around 52% of flights on this route, offering an in-flight duration of about 5 hours and a total travel time of approximately 7 hours, including layover.
  • Delta: Another full-service option, Delta features one-stop service with one-way fares typically costing between $135 and $390. Delta accounts for roughly 48% of departures on this route, with an in-flight time of 5 hours and a total journey duration of around 7 hours, factoring in the layover.

How to find the best prices for flights from Butte (BTM) to Seattle (SEA)

Getting some of the best deals on flights from Butte to Seattle is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking 2-8 weeks in advance, although most travelers tend to book within 2 weeks. Evening departures from 6 PM to 12 AM generally offer lower prices, while morning flights from 5 AM to 12 PM are the most popular. Additionally, flying on Wednesday often results in cheaper fares, even though Sunday is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Seattle - Tacoma International Airport from Bert Mooney Airport

Seattle welcomes travelers from Butte with a range of transport options based on price, convenience, and proximity. Seattle city center is approximately a 20-minute drive (covering about 14 miles) from Seattle - Tacoma International Airport, depending on traffic. Here's how to reach Seattle efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Seattle, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Seattle - Tacoma International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Seattle - Tacoma International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Seattle - Tacoma International Airport, SeaTac/Airport Station, a metro station, is located about 0.3 miles away on foot, while Tukwila Station, a train station, is situated approximately 4.3 miles from the airport and is typically reached by car.

Frequently asked questions

How much does a flight from Butte, MT (BTM-Bert Mooney) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find cheap one-way flights from $169 and cheap return flights from $338 Butte, MT (BTM-Bert Mooney) to Seattle, WA (SEA-Seattle - Tacoma Intl.) with Expedia. One-way flights typically cost between $237 and $966, and return flights often range between $350 and $1747. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Butte, MT (BTM-Bert Mooney) to Seattle, WA (SEA-Seattle - Tacoma Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Butte, MT (BTM-Bert Mooney) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The cheapest month to fly from BTM to SEA is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Butte, MT (BTM-Bert Mooney) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter BTM to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Butte, MT (BTM-Bert Mooney) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Delta is one of the cheapest airlines offering connecting flights from Bert Mooney (BTM) to Seattle - Tacoma Intl. (SEA) with a layover in Salt Lake City Intl. (SLC) starting from around $273 for a round-trip ticket. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Butte, MT (BTM-Bert Mooney) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Butte, MT (BTM-Bert Mooney) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Butte, MT (BTM-Bert Mooney) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Butte, MT (BTM-Bert Mooney) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Butte, MT (BTM) to Seattle, WA (SEA) typically departs at around 9:10 AM local time, operated by United and Alaska Airlines. This is a seasonal service active in January, so if you're traveling during this month, an early departure can help you make the most of your time in Seattle. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Butte, MT (BTM-Bert Mooney) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Butte, MT (BTM) to Seattle, WA (SEA) are in the late morning, from 9am to noon. About 60% of passengers prefer this time window. Many major carriers, including United Airlines, operate flights during this window. This timing works well because it allows you to travel without the early morning rush.
How long does it take to fly from Butte, MT (BTM-Bert Mooney) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
A flight from BTM to SEA with a layover takes around 7 hours, with the route covering approximately 475 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Butte, MT (BTM-Bert Mooney) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Select the "Business class" and "First class" filters when looking for BTM to SEA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Butte, MT (BTM-Bert Mooney) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Butte, MT (BTM-Bert Mooney) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle from Bert Mooney (BTM)?
From Bert Mooney (BTM), you can fly into Seattle - Tacoma Intl. (SEA) to reach Seattle. Some flights may connect through major hubs like Denver Intl. (DEN), Salt Lake City Intl. (SLC) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Butte, MT (BTM-Bert Mooney) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Butte, MT (BTM-Bert Mooney) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Butte, MT (BTM-Bert Mooney) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Butte, MT (BTM-Bert Mooney) to Seattle, WA (SEA-Seattle - Tacoma Intl.) Seattle Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Butte, MT (BTM-Bert Mooney) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Butte, MT (BTM-Bert Mooney) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Bert Mooney
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Delta, United
Roundtrip price
$338
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 October. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $169 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

*Flight schedules are subject to change.

*Available to One Key members.

 

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