S$660 Cheap Flights from Seattle to Copenhagen

Round-trip journeys between Sea-Tac Airport and CPH start from S$982. This price is based on fares offered 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.

This can differ between airlines, as each has its own set of terms and conditions. Head to the Customer Service Portal, where you'll find easy-to-follow instructions on how to cancel your flight online.

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-Tac Airport to CPH flights, you'll see a "no change fees" filter for you to select.

The distance is around 7,800 kilometres, so fill your carry-on luggage with whatever you need to make your journey comfortable. Wondering what to take on board your SeaTac to Kastrup flight? Earplugs, a sleep mask and a travel pillow are among the essentials.

You won't find any airlines flying directly between Seattle - Tacoma Intl. Airport (SEA) and Copenhagen Airport, Kastrup, so be ready to make at least one stop on your journey. A layover can be a welcome way to break up a trip!

Booking your trip from Seattle - Tacoma Intl. Airport (SEA) to CPH at the last minute could be your ticket to an awesome deal. However, you might miss out on a flight altogether! If you'd rather not take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains as far ahead as 12 months in advance. If your preferred carrier hasn't released tickets yet, check back often as deals are updated all the time on Expedia.