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Cheap flights from Copenhagen to Seattle from $357

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Copenhagen to Seattle departing on 5/21. 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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0 bags

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Find the cheapest flights from Copenhagen to Seattle

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Copenhagen to Seattle.
British Airways Logo
12:25 pm - 4:00 pmCPH-SEA
12h 35m1 stop
British Airways Logo
8:20 pm - 10:50 pmSEA-CPH
17h 30m1 stop
$459British Airways
Find Deal
Wed, May 28 - Sun, Jun 1
British Airways Logo
7:45 am - 12:45 amCPH-SEA
26h 00m2 stops
British Airways Logo
8:20 pm - 10:50 pmSEA-CPH
17h 30m1 stop
$465British Airways
Find Deal
Wed, May 28 - Sun, Jun 1
 Logo
2:00 pm - 9:40 pmCPH-SEA
16h 40m1 stop
 Logo
12:45 pm - 8:55 pmSEA-CPH
23h 10m2 stops
Fri, Aug 29 - Sun, Sep 14
American Airlines Logo
2:00 pm - 10:26 pmCPH-SEA
17h 26m1 stop
American Airlines Logo
8:20 pm - 8:55 pmSEA-CPH
15h 35m1 stop
$487American Airlines
Find Deal
Sat, Jun 7 - Mon, Jun 23
American Airlines Logo
2:00 pm - 12:44 amCPH-SEA
19h 44m2 stops
American Airlines Logo
8:20 pm - 8:55 pmSEA-CPH
15h 35m1 stop
$492American Airlines
Find Deal
Sat, Jun 7 - Mon, Jun 23
Icelandair Logo
10:35 pm - 5:50 pmCPH-SEA
28h 15m1 stop
Icelandair Logo
3:45 pm - 9:45 pmSEA-CPH
21h 00m1 stop
$518Icelandair
Find Deal
Fri, May 23 - Fri, Jun 6
Icelandair Logo
10:35 pm - 11:25 amCPH-SEA
21h 50m1 stop
Icelandair Logo
11:30 pm - 3:45 pmSEA-CPH
31h 15m1 stop
$548Icelandair
Find Deal
Sat, May 24 - Sat, May 31
Lufthansa Logo
6:05 am - 12:25 pmCPH-SEA
15h 20m2 stops
Lufthansa Logo
2:15 pm - 6:25 pmSEA-CPH
19h 10m1 stop
$620Lufthansa
Find Deal
Fri, May 23 - Fri, Jun 6
Lufthansa Logo
6:10 am - 11:55 amCPH-SEA
14h 45m1 stop
Lufthansa Logo
2:20 pm - 10:15 pmSEA-CPH
22h 55m1 stop
$781Lufthansa
Find Deal
Fri, Jul 18 - Sun, Aug 3
KLM Logo
6:00 am - 4:17 pmCPH-SEA
19h 17m2 stops
KLM Logo
1:34 pm - 6:20 pmSEA-CPH
19h 46m2 stops
$4,844KLM
Find Deal
Mon, Jun 23 - Thu, Jun 26

Delta flights from Copenhagen to Seattle

Our best Delta deals on Copenhagen to Seattle flight tickets
Delta
May 23
CPH1:05 pmKastrup Copenhagen
9h 45m
SEA1:50 pmSeattle/Tacoma Intl
Jun 6
SEA9:45 pmSeattle/Tacoma Intl
23h 45m
1 stop
CPH6:30 amKastrup Copenhagen
Delta
Jul 14
CPH9:00 amKastrup Copenhagen
22h 53m
1 stop
SEA10:53 pmSeattle/Tacoma Intl
Jul 29
SEA6:30 pmSeattle/Tacoma Intl
15h 15m
1 stop
CPH6:45 pmKastrup Copenhagen
Delta
May 23
CPH1:05 pmKastrup Copenhagen
9h 45m
SEA1:50 pmSeattle/Tacoma Intl
Jun 6
SEA1:55 pmSeattle/Tacoma Intl
12h 10m
1 stop
CPH11:05 amKastrup Copenhagen

United Airlines flights from Copenhagen to Seattle

Our best United Airlines deals on Copenhagen to Seattle flight tickets
United Airlines
Jun 7
CPH6:10 amKastrup Copenhagen
23h 27m
2 stops
SEA8:37 pmSeattle/Tacoma Intl
Jun 23
SEA5:35 amSeattle/Tacoma Intl
23h 35m
2 stops
CPH2:10 pmKastrup Copenhagen
United Airlines
May 23
CPH12:50 pmKastrup Copenhagen
30h 55m
1 stop
SEA10:45 amSeattle/Tacoma Intl
Jun 6
SEA2:15 pmSeattle/Tacoma Intl
19h 10m
1 stop
CPH6:25 pmKastrup Copenhagen
United Airlines
May 23
CPH12:50 pmKastrup Copenhagen
30h 55m
1 stop
SEA10:45 amSeattle/Tacoma Intl
Jun 6
SEA2:15 pmSeattle/Tacoma Intl
19h 10m
1 stop
CPH6:25 pmKastrup 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?

In general, February is the cheapest month to fly from Copenhagen to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $454. If you don’t want to visit Seattle in February, then you should wait until January to fly from Copenhagen, when ticket prices are also cheap, with an average price of $477.

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

On average, the least expensive day to fly to Seattle from Copenhagen is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $713. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Copenhagen because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,047.

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

Flying to Seattle from Copenhagen in the evening is the least expensive time of day to depart. momondo users have found prices as low as $563 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $1,032. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Kastrup Copenhagen to Seattle/Tacoma Intl flight route?

Fly from Kastrup Copenhagen to Seattle/Tacoma Intl for the best Kastrup Copenhagen - Seattle/Tacoma Intl flight prices

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 $597 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 $522 on momondo.

What cabin class options are available on Kastrup Copenhagen to Seattle/Tacoma Intl flights?

There are 3 cabin classes available to choose from on Kastrup Copenhagen to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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 round-trip 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

$357

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 $357. The best round-trip flight deal from Copenhagen to Seattle found on momondo in the last 72 hours is $459.
The fastest flight from Copenhagen to Seattle takes 9h 45m
Direct flights go from Copenhagen to Seattle on Monday, Tuesday, Thursday, Saturday and Sunday. Airlines offering direct flights are: Delta and 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. Flights usually cover this in 9h 45m, depending on flying conditions and air traffic around both airports.

  • 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 refresh daily.

  • 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 $423Free CancellationRating
7.0
484 reviews
Search Icelandair flights
Air CanadaPriceFrom $426Free CancellationRating
7.0
9,195 reviews
Search Air Canada flights
American AirlinesPriceFrom $456Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $468Free CancellationRating
6.6
6,815 reviews
Search British Airways flights
KLMPriceFrom $468Free CancellationRating
7.8
1,333 reviews
Search KLM flights
LufthansaPriceFrom $483Free CancellationRating
6.7
7,029 reviews
Search Lufthansa flights
DeltaPriceFrom $507Free CancellationRating
8.0
7,919 reviews
Search Delta flights
United AirlinesPriceFrom $515Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $579Free CancellationRating
7.3
1,345 reviews
Search Scandinavian Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Kent
Renton
Federal Way
Tukwila
Puyallup
Kirkland
Lakewood
Lynnwood
Fife
Shoreline
Marysville
Centralia
Redmond
Cle Elum
Lacey

Why use momondo?

Why should I use momondo to find a flight deal from Copenhagen to Seattle?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Copenhagen.

Can I find flights from Copenhagen to Seattle with flexible booking policies on momondo?

Flights from Copenhagen to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Copenhagen to Seattle?

Once all potential Copenhagen to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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