What airlines fly to Denmark?

Scandinavian Airlines, Icelandair and Delta are the top three most popular airlines that fly to Denmark from Seattle according to our data. Scandinavian Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Denmark. Keep in mind that there are 10 different airlines that fly to Denmark on a routine basis, so you have a few additional options to choose from.

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

Icelandair, KLM, and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Denmark

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

Prices for flights from Seattle/Tacoma Intl Airport to Denmark refresh daily.

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

There are 10 operators available for flights from Seattle/Tacoma Intl Airport to Denmark as of March 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Denmark.

What documentation or ID do you need to fly to Denmark?

The necessary travel and health documents for your Denmark trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$167 Cheap Flights from Seattle to Denmark in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Seattle to Denmark

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 pm - 9:45 pm

SEA

CPH

17h 45m

1 stop

2:00 pm - 8:40 pm

CPH

SEA

15h 40m

1 stop

$417Icelandair

Sun, Apr 12 - Sat, Apr 25

3:40 pm - 9:45 pm

SEA

CPH

21h 05m

1 stop

7:20 am - 8:40 pm

CPH

SEA

22h 20m

1 stop

$421Icelandair

Wed, Apr 15 - Wed, Apr 22

7:00 pm - 9:45 pm

SEA

CPH

17h 45m

1 stop

4:55 pm - 8:40 pm

CPH

SEA

12h 45m

1 stop

$424Icelandair

Thu, Apr 23 - Tue, Apr 28

7:00 pm - 9:45 pm

SEA

CPH

17h 45m

1 stop

2:00 pm - 8:40 pm

CPH

SEA

15h 40m

1 stop

$425Icelandair

Thu, Apr 23 - Tue, Apr 28

7:15 am - 11:20 am

SEA

BLL

19h 05m

2 stops

6:00 am - 11:45 am

BLL

SEA

14h 45m

1 stop

$480Delta

Tue, Apr 14 - Fri, Apr 24

5:35 pm - 5:45 pm

SEA

AAL

15h 10m

1 stop

6:20 am - 11:45 am

AAL

SEA

14h 25m

1 stop

$481Delta

Sun, Apr 19 - Tue, Apr 28

8:20 pm - 9:50 am

SEA

BLL

28h 30m

1 stop

3:20 pm - 11:35 am

BLL

SEA

29h 15m

1 stop

$517British Airways

Sun, Apr 12 - Tue, Apr 28

7:00 am - 9:10 am

SEA

AAR

41h 10m

2 stops

6:35 pm - 10:40 pm

AAR

SEA

37h 05m

2 stops

$876Scandinavian Airlines

Mon, Apr 20 - Thu, May 7

1:30 pm - 5:15 pm

SEA

AAR

18h 45m

2 stops

9:40 am - 11:44 pm

AAR

SEA

23h 04m

2 stops

$880Air France

Thu, Apr 23 - Thu, May 7

9:45 pm - 11:50 pm

SEA

AAR

41h 05m

2 stops

6:35 pm - 10:55 pm

AAR

SEA

37h 20m

2 stops

$1,101Scandinavian Airlines

Fri, Apr 24 - Thu, May 7

Icelandair flights from Seattle to Denmark

Our best Icelandair deals on Seattle to Denmark flight tickets

Icelandair

Apr 12

SEA7:00 pmSeattle/Tacoma Intl

17h 45m

1 stop

CPH9:45 pmKastrup Copenhagen

Apr 25

CPH2:00 pmKastrup Copenhagen

15h 40m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

$417

Icelandair

Apr 15

SEA3:40 pmSeattle/Tacoma Intl

21h 05m

1 stop

CPH9:45 pmKastrup Copenhagen

Apr 22

CPH7:20 amKastrup Copenhagen

22h 20m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

$421

Icelandair

Apr 23

SEA7:00 pmSeattle/Tacoma Intl

17h 45m

1 stop

CPH9:45 pmKastrup Copenhagen

Apr 28

CPH4:55 pmKastrup Copenhagen

12h 45m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

$424

Air Canada flights from Seattle to Denmark

Our best Air Canada deals on Seattle to Denmark flight tickets

Air Canada

Apr 20

SEA5:40 amSeattle/Tacoma Intl

20h 10m

2 stops

CPH10:50 amKastrup Copenhagen

May 4

CPH6:40 amKastrup Copenhagen

20h 50m

2 stops

SEA6:30 pmSeattle/Tacoma Intl

$504

Air Canada

Aug 28

SEA7:20 pmSeattle/Tacoma Intl

52h 35m

2 stops

CPH8:55 amKastrup Copenhagen

Oct 20

CPH12:45 pmKastrup Copenhagen

17h 19m

1 stop

SEA9:04 pmSeattle/Tacoma Intl

$506

Air Canada

Mar 29

SEA10:20 amSeattle/Tacoma Intl

39h 30m

2 stops

CPH10:50 amKastrup Copenhagen

Apr 14

CPH12:45 pmKastrup Copenhagen

19h 08m

2 stops

SEA10:53 pmSeattle/Tacoma Intl

$510

Fly from

Fly to

Route

Depart

Return

Price

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 4/12

7:00 pm-9:45 pm

1 stop17h 45m

Kastrup Copenhagen

Sat 4/25

2:00 pm-8:40 pm

1 stop15h 40m

$417

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 4/15

3:40 pm-9:45 pm

1 stop21h 05m

Kastrup Copenhagen

Wed 4/22

7:20 am-8:40 pm

1 stop22h 20m

$421

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Thu 4/23

7:00 pm-9:45 pm

1 stop17h 45m

Kastrup Copenhagen

Tue 4/28

4:55 pm-8:40 pm

1 stop12h 45m

$424

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Thu 4/23

7:00 pm-9:45 pm

1 stop17h 45m

Kastrup Copenhagen

Tue 4/28

2:00 pm-8:40 pm

1 stop15h 40m

$425

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Tue 4/14

7:15 am-11:20 am

2 stops19h 05m

Billund

Fri 4/24

6:00 am-11:45 am

1 stop14h 45m

$480

SeattleAalborg

SEA - AAL

SEAAAL

Seattle/Tacoma Intl

Sun 4/19

5:35 pm-5:45 pm

1 stop15h 10m

Aalborg

Tue 4/28

6:20 am-11:45 am

1 stop14h 25m

$481

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 4/12

8:20 pm-9:50 am

1 stop28h 30m

Billund

Tue 4/28

3:20 pm-11:35 am

1 stop29h 15m

$517

SeattleAarhus

SEA - AAR

SEAAAR

Seattle/Tacoma Intl

Mon 4/20

7:00 am-9:10 am

2 stops41h 10m

Aarhus

Thu 5/7

6:35 pm-10:40 pm

2 stops37h 05m

$876

SeattleAarhus

SEA - AAR

SEAAAR

Seattle/Tacoma Intl

Thu 4/23

1:30 pm-5:15 pm

2 stops18h 45m

Aarhus

Thu 5/7

9:40 am-11:44 pm

2 stops23h 04m

$880

SeattleAarhus

SEA - AAR

SEAAAR

Seattle/Tacoma Intl

Fri 4/24

9:45 pm-11:50 pm

2 stops41h 05m

Aarhus

Thu 5/7

6:35 pm-10:55 pm

2 stops37h 20m

$1,101

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seattle to Denmark

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

What is the cheapest month to fly to Denmark?

In general, February is the cheapest month to fly from Seattle to Denmark. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $472. If you aren’t able to travel to Denmark during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $523.

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

The cheapest day to depart from Seattle to Denmark is on a Monday. Travelers who choose to depart for Denmark on a Monday will often find tickets for as low as $647. On the other hand, Saturday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $730.

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

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

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

You are more likely to see cheaper flights to Denmark from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Denmark for around $607 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denmark from Seattle for as low as $602 on momondo.

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

There are 3 cabin classes available to choose from on Seattle/Tacoma Intl to Denmark 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 Seattle to Denmark flights?

You could potentially save up to 41% on your flight if you consider stops on a Seattle to Denmark flight.

Cheap Seattle to Denmark flight deals and tips

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

Best Price Found	$407
Fastest flight time	9h 15m
Direct flights	Mon, Wed, Sat and Sun
Airports in Denmark	19 airports

The best one-way flight to Denmark from Seattle in the past 72 hours is $407. The best round-trip flight deal from Seattle to Denmark found on momondo in the last 72 hours is $583.

The fastest flight from Seattle to Denmark takes 9h 15m

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

There are 19 airports in Denmark. From Seattle there are direct flights to Kastrup Copenhagen (CPH).

Search flight deals

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Denmark?
Prices for flights from Seattle/Tacoma Intl Airport to Denmark refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Denmark?
There are 10 operators available for flights from Seattle/Tacoma Intl Airport to Denmark as of March 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Denmark?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Denmark.
What documentation or ID do you need to fly to Denmark?
The necessary travel and health documents for your Denmark trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Denmark?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Seattle to Denmark is Airbus A350-900 (38.48% of total bookings). The next most popular plane models are Airbus A330-900neo (21.14%), Boeing 787-9 Dreamliner (8.67%), and Boeing 787-10 Dreamliner (6.77%).

Best airlines flying from Seattle to Denmark

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

Airline	Rating	Free Cancellation	Price
Finnair	PriceFrom $385	Free Cancellation	Rating 7.6 1,371 reviews	Search Finnair flights
Icelandair	PriceFrom $420	Free Cancellation	Rating 7.1 617 reviews	Search Icelandair flights
Delta	PriceFrom $421	Free Cancellation	Rating 7.9 8,245 reviews	Search Delta flights
Air France	PriceFrom $469	Free Cancellation	Rating 7.4 1,542 reviews	Search Air France flights
Scandinavian Airlines	PriceFrom $498	Free Cancellation	Rating 7.3 1,703 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom $506	Free Cancellation	Rating 6.7 7,774 reviews	Search British Airways flights
KLM	PriceFrom $528	Free Cancellation	Rating 7.8 1,463 reviews	Search KLM flights
Lufthansa	PriceFrom $530	Free Cancellation	Rating 6.8 7,823 reviews	Search Lufthansa flights
United Airlines	PriceFrom $535	Free Cancellation	Rating 7.4 9,382 reviews	Search United Airlines flights
Air Canada	PriceFrom $536	Free Cancellation	Rating 7.1 10,775 reviews	Search Air Canada flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Denmark. momondo saves you time and could save you money on your trip.

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

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

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

Once all potential Seattle to Denmark 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 Seattle to Denmark right now. Can momondo alert me if prices change?

Price alerts on flights to Denmark from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Denmark 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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Fri 4/3

Fri 4/10

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Denmark

Popular cities

Other flights from Seattle

Other flights to Denmark

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Denmark

Flights to Copenhagenfrom $322

Flights to Billundfrom $509

Flights to Aalborgfrom $405

Flights to Aarhusfrom $516

Flights to Sønderborgfrom $887

Flights to Karupfrom $760

Flights to Esbjergfrom $1,311

Cheap flights from Seattle to Denmark from $167

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Denmark departing on 4/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Seattle to Denmark

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Icelandair flights from Seattle to Denmark

Our best Icelandair deals on Seattle to Denmark flight tickets

Air Canada flights from Seattle to Denmark

Our best Air Canada deals on Seattle to Denmark flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Seattle to Denmark that are best for you.

See travel insights to Denmark from

How to get the cheapest flight ticket from Seattle to Denmark

What is the cheapest month to fly to Denmark?

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

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

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

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

Can stopping save me money on Seattle to Denmark flights?

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

What airlines fly to Denmark?

Cheap Seattle to Denmark flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Denmark

Best airlines flying from Seattle to Denmark

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

Why use momondo?

An easier way to manage your Denmark 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 Denmark

Popular cities in Denmark

Popular flights according to clicks in the last 7 days on momondo

Seattle flight routes

According to popular flight searches on momondo this year

Denmark flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Denmark

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Denmark

List of cabin classes available on flights landing in Denmark. Availability may vary depending on flight origin and airline.

Complete your trip to Denmark

Explore popular destinations other users love

According to popular flight searches on momondo this year