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How to get the cheapest flight ticket from Copenhagen to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Copenhagen and Seattle?
What is the cheapest month to fly to Seattle?
The cheapest month to fly to Seattle from Copenhagen is in February. Flight prices, which tend to average around £335, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Seattle, with average flight prices from Copenhagen averaging around £355.
What is the cheapest day to depart on your flight to Seattle?
According to our data, Friday is the cheapest day to fly to Seattle from Copenhagen. The lowest ticket price found for a Friday departure recently was £403. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Seattle on Monday is £744.
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Copenhagen when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around £445 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Copenhagen for as low as £391 on momondo.
How have Copenhagen to Seattle flight prices changed over time?
As of June 2025, prices for Copenhagen to Seattle flights are approximately 5% cheaper when compared to flights at the same time last year.
How many flights depart from Copenhagen to Seattle on average per day?
As of June 2025, there are 1 flights per day flying from Copenhagen to Seattle. The most common time of day flights depart is 13:00, with 100% of flights taking off in the afternoon.
How many flights depart from Copenhagen to Seattle on average per week?
10 flights are operational weekly from Copenhagen to Seattle as of June 2025. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.
When to book flights from Copenhagen to Seattle
Cheap Copenhagen to Seattle (CPH to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Copenhagen to Seattle
Best price found | £521 |
|---|---|
Fastest flight time | 9h 45m |
Direct flights | Mon, Tue, Thu, Sat and Sun |
Airports in Seattle | 1 airport |
How far is Kastrup Copenhagen to Seattle/Tacoma Intl by plane?
The straight-line distance from Kastrup Copenhagen to Seattle/Tacoma Intl is 4835.0 mi. By plane, this route typically takes 9h 45m.
When did momondo last update prices for flights from Kastrup Copenhagen Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Kastrup Copenhagen Airport to Seattle/Tacoma Intl Airport were last updated today.
How old do you have to be to fly from Kastrup Copenhagen Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kastrup Copenhagen Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Copenhagen to Seattle?
momondo data reveals that the most frequently booked plane model on the route from Copenhagen to Seattle is Airbus A350-900, representing 93.39% of all bookings. The subsequent popular model is Airbus A330-300 at 6.61%.
Travelling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Copenhagen to Seattle?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Copenhagen to Seattle. momondo saves you time and could save you money on your trip.
Can I find flights from Copenhagen to Seattle with flexible booking policies on momondo?
momondo does allow users to show only those flights to Seattle from Copenhagen which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Copenhagen to Seattle?
momondo provides multiple filters to help you find the best flight to Seattle from Copenhagen. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Copenhagen to Seattle right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Copenhagen and alert you when they change.