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Cheap flights from Copenhagen to Seattle from £347

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 24/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
08:50 - 16:00CPH-SEA
16h 10m1 stop
17:40 - 23:10SEA-CPH
20h 30m1 stop
£347Finnair
Find Deal
Sat, 24 May - Sat, 31 May
12:25 - 23:01CPH-SEA
19h 36m2 stops
17:40 - 23:10SEA-CPH
20h 30m1 stop
£351Finnair
Find Deal
Sat, 24 May - Sat, 31 May
14:00 - 21:40CPH-SEA
16h 40m1 stop
09:55 - 13:35SEA-CPH
18h 40m2 stops
£356British Airways
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Thu, 21 Aug - Mon, 25 Aug
16:15 - 11:35CPH-SEA
28h 20m1 stop
15:13 - 23:35SEA-CPH
23h 22m2 stops
£388British Airways
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Wed, 6 Aug - Fri, 22 Aug
12:25 - 20:41CPH-SEA
17h 16m1 stop
07:20 - 07:10SEA-CPH
14h 50m1 stop
£424United Airlines
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Fri, 8 Aug - Thu, 21 Aug
12:25 - 20:41CPH-SEA
17h 16m1 stop
07:05 - 17:20SEA-CPH
25h 15m3 stops
£432United Airlines
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Fri, 8 Aug - Tue, 19 Aug
06:00 - 16:45CPH-SEA
19h 45m2 stops
10:25 - 15:45SEA-CPH
20h 20m2 stops
£445Delta
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Fri, 23 May - Fri, 6 Jun
06:05 - 12:25CPH-SEA
15h 20m2 stops
14:15 - 18:25SEA-CPH
19h 10m1 stop
£458Lufthansa
Find Deal
Fri, 23 May - Fri, 6 Jun
06:05 - 12:25CPH-SEA
15h 20m2 stops
14:15 - 18:25SEA-CPH
19h 10m1 stop
£460Lufthansa
Find Deal
Fri, 23 May - Fri, 6 Jun
09:00 - 19:39CPH-SEA
19h 39m1 stop
20:25 - 19:55SEA-CPH
14h 30m1 stop
£582Delta
Find Deal
Tue, 15 Jul - Fri, 15 Aug

Finnair flights from Copenhagen to Seattle

Our best Finnair deals on Copenhagen to Seattle flight tickets
Finnair
24 May
CPH08:50Kastrup Copenhagen
16h 10m
1 stop
SEA16:00Seattle/Tacoma Intl
31 May
SEA17:40Seattle/Tacoma Intl
20h 30m
1 stop
CPH23:10Kastrup Copenhagen
Finnair
24 May
CPH12:25Kastrup Copenhagen
19h 36m
2 stops
SEA23:01Seattle/Tacoma Intl
31 May
SEA17:40Seattle/Tacoma Intl
20h 30m
1 stop
CPH23:10Kastrup Copenhagen
Finnair
28 Apr
CPH13:15Kastrup Copenhagen
18h 54m
2 stops
SEA23:09Seattle/Tacoma Intl
5 May
SEA17:40Seattle/Tacoma Intl
13h 35m
1 stop
CPH16:15Kastrup Copenhagen

British Airways flights from Copenhagen to Seattle

Our best British Airways deals on Copenhagen to Seattle flight tickets
British Airways
21 Aug
CPH14:00Kastrup Copenhagen
16h 40m
1 stop
SEA21:40Seattle/Tacoma Intl
25 Aug
SEA09:55Seattle/Tacoma Intl
18h 40m
2 stops
CPH13:35Kastrup Copenhagen
British Airways
6 Aug
CPH13:50Kastrup Copenhagen
30h 45m
1 stop
SEA11:35Seattle/Tacoma Intl
20 Aug
SEA20:20Seattle/Tacoma Intl
14h 45m
1 stop
CPH20:05Kastrup Copenhagen
British Airways
9 Aug
CPH07:50Kastrup Copenhagen
22h 25m
2 stops
SEA21:15Seattle/Tacoma Intl
23 Aug
SEA20:20Seattle/Tacoma Intl
18h 15m
1 stop
CPH23:35Kastrup 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 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 £352, 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 £368.

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 £781.

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 £464.

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 £458 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 £406 on momondo.

How have Copenhagen to Seattle flight prices changed over time?

As of March 2025, prices for Copenhagen to Seattle flights are approximately 15% more expensive 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

£567

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 £567. The best return flight deal from Copenhagen to Seattle found on momondo in the last 72 hours is £347.
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 many operators does momondo search for flights from Kastrup Copenhagen Airport to Seattle/Tacoma Intl Airport?

  • 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?

  • What is the most popular airline from Copenhagen to Seattle?


Best airlines flying from Copenhagen to Seattle

Compare and see reviews for airlines that fly from Copenhagen to Seattle with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £379Free CancellationRating
7.0
476 reviews
Search Icelandair flights

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.


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