Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Copenhagen to Seattle from £385

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Copenhagen to Seattle departing on 3/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Copenhagen to Seattle

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from Copenhagen to Seattle.
British Airways Logo
10:40 - 21:59CPH-SEA
20h 19m2 stops
British Airways Logo
13:30 - 23:30SEA-CPH
25h 00m1 stop
£385British Airways
Find Deal
Sat, 3 May - Wed, 7 May
British Airways Logo
20:00 - 11:35CPH-SEA
24h 35m1 stop
British Airways Logo
20:20 - 09:30SEA-CPH
28h 10m1 stop
£391British Airways
Find Deal
Wed, 6 Aug - Fri, 15 Aug
United Airlines Logo
12:50 - 10:45CPH-SEA
30h 55m1 stop
United Airlines Logo
18:50 - 23:30SEA-CPH
19h 40m1 stop
£439United Airlines
Find Deal
Fri, 23 May - Fri, 6 Jun
United Airlines Logo
12:50 - 10:45CPH-SEA
30h 55m1 stop
United Airlines Logo
18:50 - 23:30SEA-CPH
19h 40m1 stop
£439United Airlines
Find Deal
Fri, 23 May - Fri, 6 Jun
Lufthansa Logo
19:30 - 16:59CPH-SEA
30h 29m1 stop
Lufthansa Logo
14:20 - 22:15SEA-CPH
22h 55m1 stop
£458Lufthansa
Find Deal
Thu, 26 Jun - Sun, 13 Jul
Finnair Logo
11:00 - 23:50CPH-SEA
21h 50m2 stops
Finnair Logo
13:29 - 20:55SEA-CPH
22h 26m2 stops
£458Finnair
Find Deal
Fri, 8 Aug - Mon, 18 Aug
Lufthansa Logo
06:05 - 12:25CPH-SEA
15h 20m2 stops
Lufthansa Logo
18:50 - 23:30SEA-CPH
19h 40m1 stop
£465Lufthansa
Find Deal
Fri, 23 May - Fri, 6 Jun
Finnair Logo
11:00 - 23:50CPH-SEA
21h 50m2 stops
Finnair Logo
08:00 - 19:35SEA-CPH
26h 35m2 stops
£467Finnair
Find Deal
Fri, 8 Aug - Sun, 17 Aug
Scandinavian Airlines Logo
13:05 - 13:50CPH-SEA
9h 45mdirect
Scandinavian Airlines Logo
16:00 - 10:30SEA-CPH
9h 30mdirect
£505Scandinavian Airlines
Find Deal
Fri, 23 May - Fri, 6 Jun
Scandinavian Airlines Logo
13:05 - 13:50CPH-SEA
9h 45mdirect
Scandinavian Airlines Logo
16:00 - 10:30SEA-CPH
9h 30mdirect
£507Scandinavian Airlines
Find Deal
Fri, 23 May - Fri, 6 Jun

Lufthansa flights from Copenhagen to Seattle

Our best Lufthansa deals on Copenhagen to Seattle flight tickets
Lufthansa
26 Jun
CPH19:30Kastrup Copenhagen
30h 29m
1 stop
SEA16:59Seattle/Tacoma Intl
13 Jul
SEA14:20Seattle/Tacoma Intl
22h 55m
1 stop
CPH22:15Kastrup Copenhagen
Lufthansa
23 May
CPH06:05Kastrup Copenhagen
15h 20m
2 stops
SEA12:25Seattle/Tacoma Intl
6 Jun
SEA18:50Seattle/Tacoma Intl
19h 40m
1 stop
CPH23:30Kastrup Copenhagen
Lufthansa
27 Jun
CPH06:05Kastrup Copenhagen
19h 54m
1 stop
SEA16:59Seattle/Tacoma Intl
14 Jul
SEA14:20Seattle/Tacoma Intl
22h 55m
1 stop
CPH22:15Kastrup Copenhagen

Delta flights from Copenhagen to Seattle

Our best Delta deals on Copenhagen to Seattle flight tickets
Delta
13 Jun
CPH06:00Kastrup Copenhagen
14h 40m
1 stop
SEA11:40Seattle/Tacoma Intl
14 Jun
SEA22:58Seattle/Tacoma Intl
22h 32m
1 stop
CPH06:30Kastrup Copenhagen
Delta
2 May
CPH09:20Kastrup Copenhagen
15h 37m
1 stop
SEA15:57Seattle/Tacoma Intl
3 May
SEA22:59Seattle/Tacoma Intl
22h 31m
1 stop
CPH06:30Kastrup Copenhagen
Delta
13 Jun
CPH06:00Kastrup Copenhagen
18h 45m
2 stops
SEA15:45Seattle/Tacoma Intl
14 Jun
SEA22:58Seattle/Tacoma Intl
22h 32m
1 stop
CPH06:30Kastrup Copenhagen

See travel insights to Seattle from

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 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 £343, 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 £360.

What is the cheapest day to depart on your flight to Seattle?

According to our data, Wednesday is the cheapest day to fly to Seattle from Copenhagen. The lowest ticket price found for a Wednesday departure recently was £0. 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 £763.

What is the cheapest time of day to depart on your flight to Seattle?

According to our data, the cheapest time of day to fly to Seattle is at midday. momondo users have found flights departing from Copenhagen to Seattle at midday for as low as £0. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive, with an average ticket price of £453.

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 £449 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 £393 on momondo.

How have Copenhagen to Seattle flight prices changed over time?

As of April 2025, prices for Copenhagen to Seattle flights are approximately 4% cheaper when compared to flights at the same time last year.

When to book flights from Copenhagen to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Copenhagen to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

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

£513

Fastest flight time

9h 45m

Direct flights

Mon, Tue, Thu, Sat and Sun

Airports in Seattle

1 airport
The best one-way flight to Seattle from Copenhagen in the past 72 hours is £513. The best return flight deal from Copenhagen to Seattle found on momondo in the last 72 hours is £385.
The fastest flight from Copenhagen to Seattle takes 9h 45m
Direct flights go from Copenhagen to Seattle on Monday, Tuesday, Thursday, Saturday and Sunday. Airline offering direct flights is Scandinavian Airlines..
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • 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?


Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Kent
Tukwila
SeaTac
Fife
Mukilteo
Renton

Why 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.


An easier way to manage your Seattle trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Wed 23/4
Wed 30/4

Find better results for your trip to the United States