Title: Cheap Flights from Butte to Seattle (BTM to SEA) - Expedia.co.uk ![](https://images.trvl-media.com/place/178307/82efb684-8d05-4b09-b7ea-52d5ab4ea1ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178307/82efb684-8d05-4b09-b7ea-52d5ab4ea1ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Butte (BTM) to Seattle (SEA) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Butte, MT (BTM-Bert Mooney) to Seattle-Tacoma International Airport (SEA) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:btm,to:sea,departure:01/10/2025TANYT&leg2=from:sea,to:btm,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:btm,to:sea,departure:01/10/2025TANYT&leg2=from:sea,to:btm,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 25% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) Flight from Butte to Seattle route information | Origin airport | Bert Mooney | | --- | --- | | Destination airport | Seattle - Tacoma Intl. | | Distance | 760 km | ## Compare flights from Butte to Seattle easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Butte to Seattle. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Seattle - Tacoma Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Bert Mooney to Seattle - Tacoma Intl..   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Bert Mooney (BTM) to Seattle - Tacoma Intl. (SEA) The easiest way to view the best deals on flights from Butte to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Bert Mooney to Seattle - Tacoma Intl. start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Butte and Seattle - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Butte to Seattle flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Bert Mooney to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Frequently asked questions ### How much is a flight from BTM to Sea-Tac Airport? > Round-trip journeys between Bert Mooney Airport (BTM) and Sea-Tac Airport start from . This figure is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — book today so you don't miss out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Bert Mooney Airport to Sea-Tac Airport? > Every air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from BTM to Seattle - Tacoma Intl. Airport (SEA) that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Bert Mooney Airport (BTM) to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from BTM to Seattle - Tacoma Intl. Airport (SEA)? > That new movie you've been eager to see will just have to wait — the flight distance between Bert Mooney Airport (BTM) and Sea-Tac Airport is only 770 kilometres. The captain will be asking you to put your seat upright for touchdown before you know it. ### Which airlines fly direct from BTM to Sea-Tac Airport? > You won't find any airlines operating directly between Bert Mooney Airport and Seattle - Tacoma Intl. Airport (SEA), so be ready to make at least one stop on your journey. A layover can be a good way to break up a trip! ### Are BTM to SEA flight tickets cheaper when they're purchased at the last minute? > Booking your trip from BTM to Sea-Tac Airport last minute could save you some serious cash. However, it could end up costing you a whole lot more! If you'd rather err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains as far ahead as 12 months in advance. 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