Title: Cheap Flights from Seattle (SEA) to Turku (TKU) - Expedia.ca ![Adobe](https://images.trvl-media.com/place/3463/a3e46bb3-07a0-4f77-ae66-d5e7061f4fe8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Seattle (SEA) to Turku (TKU) - [Roundtrip](?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 Turku (TKU) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:tku,departure:17/10/2025TANYT&leg2=from:tku,to:sea,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:tku,departure:17/10/2025TANYT&leg2=from:tku,to:sea,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:tku,departure:17/10/2025TANYT&leg2=from:tku,to:sea,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:tku,departure:17/10/2025TANYT&leg2=from:tku,to:sea,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:tku,departure:17/10/2025TANYT&leg2=from:tku,to:sea,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:tku,departure:17/10/2025TANYT&leg2=from:tku,to:sea,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:tku,departure:17/10/2025TANYT&leg2=from:tku,to:sea,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) Flight from Seattle to Turku (SEA - TKU) route information | Origin airport | Seattle - Tacoma Intl. | | --- | --- | | Destination airport | Turku | | Distance | 7549 km | ## Seattle to Turku Flights **The easy way to book your flights from Seattle to Turku**  With Expedia, it’s simple to find and book flights to Turku from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Turku, too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Turku today, tomorrow, or this week.   **Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Turku, TKU**  Sort your search results by price to find great deals on your flight from Seattle to Turku—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Turku from Seattle currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Turku   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Turku from Seattle**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Turku with Expedia today. ## Frequently asked questions ### How much is a flight from Sea-Tac Airport to Turku Airport? > Start packing your suitcase, because round-trip journeys from SEA to Turku Airport start from . That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book now to get the best deal. 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 Turku Airport (TKU)? > The majority of flights can be cancelled online, but whether or not you are charged a fee differs between airlines. If you do have to cancel your escape, follow the instructions in the [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Turku Airport that have flexible change policies? > Many carriers will allow you to move your flight without charging a fee. All you pay is the cost difference between the two flights. When searching for Sea-Tac Airport to Turku Airport flights, you'll find a "No change fees" filter for you to select. ### How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Turku Airport? > You'll have 7,600 kilometres to cover on the long-haul SeaTac to Turku route. Wear layers of comfy clothes and consider taking some noise-cancelling headphones and a sleep mask. ### Which airlines fly direct from Sea-Tac Airport to Turku Airport (TKU)? > You won't find any airlines operating directly between Sea-Tac Airport and Turku Airport, so be prepared to make at least one stop on your journey. A layover, whether short or long, can be a good way to break up a trip! ### Are Seattle - Tacoma Intl. Airport (SEA) to TKU flight tickets cheaper when they're purchased at the last minute? > Flight prices always go up and down, so there are no guarantees. While last-minute deals between Sea-Tac Airport and TKU are of course possible, it also makes sense to keep a close eye on prices well before you fly. In fact, some carriers advertise their prices up to 12 months prior to the departure date. Expedia is constantly updating the biggest airfare bargains around, so check back often and be ready to grab your seat when the fares dip. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rental - Other ### Lodging - [4 Star Hotels in Turku](https://www.expedia.ca/4Star-Turku-Hotels.s40-0-d3463.Travel-Guide-Filter-Hotels) - [Raisio Hotels](https://www.expedia.ca/Raisio-Hotels.d3000040300.Travel-Guide-Hotels) - [Apartments in Turku](https://www.expedia.ca/Turku-Apartments.d3463-aaApartments.Travel-Guide-Accommodation) - [B&B in Turku](https://www.expedia.ca/Turku-Bed-And-Breakfast.d3463-aaBedAndBreakfast.Travel-Guide-Accommodation) - [Castles in Turku](https://www.expedia.ca/Turku-Castles.d3463-aaCastles.Travel-Guide-Accommodation) - [Country Houses in Turku](https://www.expedia.ca/Turku-Country-House.d3463-aaCountryHouse.Travel-Guide-Accommodation) - [Guest Houses in Turku](https://www.expedia.ca/Turku-Guest-Houses.d3463-aaGuestHouses.Travel-Guide-Accommodation) - 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