Title: Cheap Flights from Seattle to Longyearbyen (SEA to LYR) - Expedia.co.uk ![Adobe](https://images.trvl-media.com/place/2189/49168449-8dd1-4dba-af0d-2fc602acbbcf.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/2189/49168449-8dd1-4dba-af0d-2fc602acbbcf.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Seattle (SEA) to Longyearbyen (LYR) - [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 Seattle-Tacoma International Airport (SEA) to Longyearbyen (LYR-Svalbard) - ![SAS](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_SK.svg) SAS [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:lyr,departure:04/10/2025TANYT&leg2=from:lyr,to:sea,departure:11/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SK"}}]) - ## 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 Seattle to Longyearbyen route information | Origin airport | Seattle - Tacoma Intl. | | --- | --- | | Destination airport | Svalbard | | Distance | 5720 km | ## Compare flights from Seattle to Longyearbyen easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seattle to Longyearbyen. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Svalbard in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Seattle - Tacoma Intl. to Svalbard.   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 Seattle - Tacoma Intl. (SEA) to Svalbard (LYR) The easiest way to view the best deals on flights from Seattle to Longyearbyen 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 Seattle - Tacoma Intl. to Svalbard 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 Seattle and Longyearbyen - 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 Seattle to Longyearbyen flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma Intl. to Svalbard 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 SEA to Svalbard Airport? > The lowest price advertised for a round-trip flight from Sea-Tac Airport to LYR is . But you better act fast. This price is taken from fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to LYR? > This differs between airlines, as each has its own terms and conditions. Head to the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033), where there are instructions on how to cancel your flight online. ### How do I find cheap flights from SEA to LYR 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 SEA to LYR flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Sea-Tac Airport to LYR? > The distance is around 5,800 kilometres. Earplugs? Check. A change of clothes? Check. You'll need to pack all the travel comforts for this long-haul SeaTac to Longyearbyen flight. ### Which airlines fly direct from Sea-Tac Airport to LYR? > Flying nonstop between Sea-Tac Airport and Svalbard Airport isn't possible at the moment. However, you'll still be able to book a flight to Longyearbyen with at least one stop. ### Are Seattle - Tacoma Intl. Airport (SEA) to LYR flight tickets cheaper when they're purchased at the last minute? > Booking last minute from Sea-Tac Airport to LYR can be hit-or-miss. You might be lucky and score a bargain, but you could also miss out entirely! If you'd rather play it safe and start planning early on, Expedia compares flight deals up to 12 months in advance. Just bear in mind that not all airlines list their prices so far in advance. Our top tip? Check back often as prices are updated frequently. ## Explore a world of travel with Expedia - Accommodation - Flights - Packages - Cars - Holiday Homes ### Accommodation - [5 Star Hotels in Longyearbyen](https://www.expedia.co.uk/5Star-Longyearbyen-Hotels.s50-0-d2189.Travel-Guide-Filter-Hotels) - [5 Star Hotels in Spitsbergen](https://www.expedia.co.uk/5Star-Spitsbergen-Hotels.s50-0-d6336664.Travel-Guide-Filter-Hotels) - [Barentsburg Hotels](https://www.expedia.co.uk/Barentsburg-Hotels.d3000024094.Travel-Guide-Hotels) - [Sports Hotels in Svalbard](https://www.expedia.co.uk/Destinations-In-Svalbard-Adventure-Sport-Hotel.0-0-d11722-tAdventureSportHotel.Hotel-Filter-Destinations) - [All-Inclusive Hotels in Svalbard](https://www.expedia.co.uk/Destinations-In-Svalbard-All-Inclusive-Hotel.0-0-d11722-tAllInclusiveHotel.Hotel-Filter-Destinations) - [Beach Resorts & in Svalbard](https://www.expedia.co.uk/Destinations-In-Svalbard-Beach-Hotels.0-0-d11722-tBeachHotels.Hotel-Filter-Destinations) - 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