What is the cheapest airline that flies from Denmark to Seattle/Tacoma Intl?

American Airlines and Finnair are the most popular carriers operating from Denmark to Seattle/Tacoma Intl

What is the most punctual flight time for Denmark to Seattle flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

How often are flights from Denmark to Seattle delayed?

Historically, on average around 11% of flights between Denmark and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 127 minutes.

What airlines fly to Seattle?

Icelandair, Scandinavian Airlines and Lufthansa are the top three most popular airlines that fly to Seattle from Denmark according to our data. Icelandair is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 6 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Seattle?

Flight times vary depending on what airport in Denmark you fly out of and what airport in Seattle you fly into. For example, flying from Copenhagen to Seattle takes 9h 40m on average. On the other hand, flying from Billund to Seattle takes 14h 35m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Denmark to Seattle flights?

According to our data, Scandinavian Airlines have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

When did momondo last update prices for flights from Denmark to Seattle/Tacoma Intl Airport?

Prices for flights from Denmark to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Denmark to Seattle/Tacoma Intl Airport?

There are 6 operators available for flights from Denmark to Seattle/Tacoma Intl Airport as of January 2026.

How old do you have to be to fly from Denmark to Seattle/Tacoma Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denmark to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$339 Cheap Flights from Denmark to Seattle in 2026

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Find the cheapest flights from Denmark to Seattle

Round-trip

One-way

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Recent round-trip flight deals from Denmark to Seattle

Enter your travel dates to find the best prices.

1:00 pm - 11:04 pm

BLL

SEA

19h 04m

2 stops

1:25 pm - 12:30 pm

SEA

BLL

14h 05m

1 stop

$507British Airways

Thu, Feb 26 - Tue, Mar 3

8:40 am - 7:29 pm

CPH

SEA

19h 49m

2 stops

7:00 am - 11:00 am

SEA

CPH

19h 00m

2 stops

$519American Airlines

Thu, Feb 12 - Wed, Apr 15

1:00 pm - 12:24 am

BLL

SEA

44h 24m

2 stops

7:15 am - 12:30 pm

SEA

BLL

20h 15m

2 stops

$520British Airways

Thu, Feb 26 - Tue, Mar 3

12:15 pm - 5:55 pm

CPH

SEA

13h 40m

1 stop

6:53 am - 11:15 am

SEA

CPH

20h 22m

2 stops

$526British Airways

Thu, Mar 12 - Thu, Mar 19

7:50 am - 11:39 pm

CPH

SEA

24h 49m

2 stops

11:16 am - 11:10 pm

SEA

CPH

26h 54m

2 stops

$530American Airlines

Sat, May 9 - Tue, May 12

7:50 am - 11:39 pm

CPH

SEA

24h 49m

2 stops

8:31 am - 11:10 pm

SEA

CPH

29h 39m

2 stops

$531American Airlines

Sat, May 9 - Tue, May 12

4:55 pm - 8:40 pm

CPH

SEA

12h 45m

1 stop

7:00 pm - 3:55 pm

SEA

CPH

11h 55m

1 stop

$541Icelandair

Sat, May 9 - Tue, May 12

6:30 am - 12:10 pm

BLL

SEA

14h 40m

1 stop

7:00 am - 9:40 am

SEA

BLL

17h 40m

2 stops

$617Lufthansa

Thu, Feb 12 - Mon, Feb 16

6:30 am - 11:14 am

BLL

SEA

37h 44m

2 stops

11:59 pm - 1:40 pm

SEA

BLL

28h 41m

2 stops

$623United Airlines

Thu, Feb 12 - Mon, Feb 16

6:45 pm - 10:23 pm

AAL

SEA

36h 38m

2 stops

7:15 am - 6:20 pm

SEA

AAL

26h 05m

2 stops

$890Scandinavian Airlines

Fri, Apr 24 - Tue, Apr 28

Air Canada flights from Denmark to Seattle

Our best Air Canada deals on Denmark to Seattle flight tickets

Air Canada

Feb 26

BLL2:00 pmBillund

28h 15m

3 stops

SEA9:15 amSeattle/Tacoma Intl

Mar 3

SEA8:10 amSeattle/Tacoma Intl

20h 30m

2 stops

BLL1:40 pmBillund

$627

Air Canada

Mar 11

BLL2:25 pmBillund

27h 06m

3 stops

SEA9:31 amSeattle/Tacoma Intl

Mar 18

SEA8:10 amSeattle/Tacoma Intl

17h 50m

2 stops

BLL10:00 amBillund

$634

Air Canada

Mar 13

CPH6:50 amKastrup Copenhagen

23h 26m

2 stops

SEA10:16 pmSeattle/Tacoma Intl

Mar 20

SEA8:00 amSeattle/Tacoma Intl

21h 45m

2 stops

CPH1:45 pmKastrup Copenhagen

$641

Air France flights from Denmark to Seattle

Our best Air France deals on Denmark to Seattle flight tickets

Air France

Feb 26

BLL6:00 amBillund

14h 40m

1 stop

SEA11:40 amSeattle/Tacoma Intl

Mar 3

SEA1:40 pmSeattle/Tacoma Intl

24h 20m

1 stop

BLL11:00 pmBillund

$525

Air France

Feb 11

AAL6:00 amAalborg

14h 40m

1 stop

SEA11:40 amSeattle/Tacoma Intl

Feb 15

SEA3:05 pmSeattle/Tacoma Intl

13h 40m

1 stop

AAL1:45 pmAalborg

$702

Fly from

Fly to

Route

Depart

Return

Price

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 2/26

1:00 pm-11:04 pm

2 stops19h 04m

Seattle/Tacoma Intl

Tue 3/3

1:25 pm-12:30 pm

1 stop14h 05m

$507

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Thu 2/12

8:40 am-7:29 pm

2 stops19h 49m

Seattle/Tacoma Intl

Wed 4/15

7:00 am-11:00 am

2 stops19h 00m

$519

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 2/26

1:00 pm-12:24 am

2 stops44h 24m

Seattle/Tacoma Intl

Tue 3/3

7:15 am-12:30 pm

2 stops20h 15m

$520

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Thu 3/12

12:15 pm-5:55 pm

1 stop13h 40m

Seattle/Tacoma Intl

Thu 3/19

6:53 am-11:15 am

2 stops20h 22m

$526

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sat 5/9

7:50 am-11:39 pm

2 stops24h 49m

Seattle/Tacoma Intl

Tue 5/12

11:16 am-11:10 pm

2 stops26h 54m

$530

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sat 5/9

7:50 am-11:39 pm

2 stops24h 49m

Seattle/Tacoma Intl

Tue 5/12

8:31 am-11:10 pm

2 stops29h 39m

$531

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sat 5/9

4:55 pm-8:40 pm

1 stop12h 45m

Seattle/Tacoma Intl

Tue 5/12

7:00 pm-3:55 pm

1 stop11h 55m

$541

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 2/12

6:30 am-12:10 pm

1 stop14h 40m

Seattle/Tacoma Intl

Mon 2/16

7:00 am-9:40 am

2 stops17h 40m

$617

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 2/12

6:30 am-11:14 am

2 stops37h 44m

Seattle/Tacoma Intl

Mon 2/16

11:59 pm-1:40 pm

2 stops28h 41m

$623

AalborgSeattle

AAL - SEA

AALSEA

Aalborg

Fri 4/24

6:45 pm-10:23 pm

2 stops36h 38m

Seattle/Tacoma Intl

Tue 4/28

7:15 am-6:20 pm

2 stops26h 05m

$890

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How to get the cheapest flight ticket from Denmark 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

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from Denmark to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $527. If you don’t want to visit Seattle in February, then you should wait until November to fly from Denmark, when ticket prices are also cheap, with an average price of $541.

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

On average, the least expensive day to fly to Seattle from Denmark is on a Saturday. momondo users have found tickets for Saturday departures for as low as $649. 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 Denmark because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,296.

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

Fly from Kastrup Copenhagen to Seattle/Tacoma Intl for the best Denmark - 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 Denmark when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $646 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Denmark for as low as $592 on momondo.

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

There are 3 cabin classes available to choose from on Denmark 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.

Can stopping save me money on Denmark to Seattle flights?

You could potentially save up to 48% on your flight if you consider stops on a Denmark to Seattle flight.

Cheap Denmark to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denmark to Seattle

Fastest flight time	9h 40m
Direct flights	Mon, Wed, Sat and Sun
Airports in Seattle	1 airport

The fastest flight from Denmark to Seattle takes 9h 40m

Direct flights go from Denmark to Seattle on Monday, Wednesday, Saturday and Sunday. There are no airlines offering direct flights.

There is 1 airport in Seattle. From Denmark there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

When did momondo last update prices for flights from Denmark to Seattle/Tacoma Intl Airport?
Prices for flights from Denmark to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Denmark to Seattle/Tacoma Intl Airport?
There are 6 operators available for flights from Denmark to Seattle/Tacoma Intl Airport as of January 2026.
How old do you have to be to fly from Denmark to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denmark to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Denmark to Seattle?
Based on momondo bookings for flights between Denmark and Seattle, the leading plane model is Airbus A350-900, making up 97.29% of the total bookings. Other popular models include Airbus A330-300 with 2.71%.

Best airlines flying from Denmark to Seattle

Compare and see reviews for airlines that fly from Denmark to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $317	Free Cancellation	Rating 6.8 7,749 reviews	Search Lufthansa flights
Icelandair	PriceFrom $430	Free Cancellation	Rating 7.1 603 reviews	Search Icelandair flights
American Airlines	PriceFrom $462	Free Cancellation	Rating 7.2 11,201 reviews	Search American Airlines flights
British Airways	PriceFrom $463	Free Cancellation	Rating 6.7 7,704 reviews	Search British Airways flights
United Airlines	PriceFrom $567	Free Cancellation	Rating 7.4 9,209 reviews	Search United Airlines flights
Scandinavian Airlines	PriceFrom $600	Free Cancellation	Rating 7.3 1,672 reviews	Search Scandinavian Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Redmond

Cle Elum

Tukwila

Lakewood

Federal Way

Centralia

Westport

Kirkland

Fife

Tumwater

Why use momondo?

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

It is quick and easy to find Denmark to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

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

All flight searches from Denmark to Seattle on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Denmark.

I’m not ready to book a flight from Denmark to Seattle right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Seattle from Denmark. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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

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Cheap flights from Denmark to Seattle from $339

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denmark to Seattle departing on 6/2. 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 Denmark to Seattle

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Air Canada flights from Denmark to Seattle

Our best Air Canada deals on Denmark to Seattle flight tickets

Air France flights from Denmark to Seattle

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See travel insights to Seattle from

How to get the cheapest flight ticket from Denmark to Seattle

What is the cheapest month to fly to Seattle?

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

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

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

How far in advance should I book a flight to Seattle?

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

There are 3 cabin classes available to choose from on Denmark 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.

Can stopping save me money on Denmark to Seattle flights?

You could potentially save up to 48% on your flight if you consider stops on a Denmark to Seattle flight.

What is the cheapest airline that flies from Denmark to Seattle/Tacoma Intl?

American Airlines and Finnair are the most popular carriers operating from Denmark to Seattle/Tacoma Intl

What airlines fly to Seattle?

How often are flights from Denmark to Seattle delayed?

Historically, on average around 11% of flights between Denmark and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 127 minutes.

What is the most punctual flight time for Denmark to Seattle flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Denmark to Seattle flights?

According to our data, Scandinavian Airlines have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

How long does it take to fly to Seattle?

Cheap Denmark to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denmark to Seattle

Fastest flight time

Direct flights

Airports in Seattle

When did momondo last update prices for flights from Denmark to Seattle/Tacoma Intl Airport?

How many operators does momondo search for flights from Denmark to Seattle/Tacoma Intl Airport?

How old do you have to be to fly from Denmark to Seattle/Tacoma Intl Airport?

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

What is the most popular plane model from Denmark to Seattle?

Best airlines flying from Denmark to Seattle

Compare and see reviews for airlines that fly from Denmark to Seattle with momondo

Traveling to a place near Seattle?

Why use momondo?

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

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

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

I’m not ready to book a flight from Denmark to Seattle right now. Can momondo alert me if prices change?

An easier way to manage your Seattle trip

We make it super easy to schedule, organize 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.

Find better results for your trip to the United States

Airports servicing Washington