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

TAP AIR PORTUGAL and British Airways are the most popular carriers operating from Seattle/Tacoma Intl to Denmark

What airlines fly to Denmark?

Icelandair, Scandinavian Airlines and Delta are the top three most popular airlines that fly to Denmark from Seattle according to our data. Icelandair is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Denmark. Keep in mind that there are 11 different airlines that fly to Denmark on a routine basis, so you have a few additional options to choose from.

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 11 operators available for flights from Seattle/Tacoma Intl Airport to Denmark as of December 2025.

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.

$271 Cheap Flights from Seattle to Denmark in 2025/26

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Find the cheapest flights from Seattle to Denmark

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

2:35 pm - 5:15 am

SEA

CPH

29h 40m1 stop

8:50 pm - 5:00 pm

CPH

SEA

29h 10m1 stop

$481Icelandair

Mon, Dec 29 - Mon, Jan 12

8:04 am - 1:15 pm

SEA

CPH

20h 11m2 stops

6:30 pm - 4:55 pm

CPH

SEA

31h 25m1 stop

$485British Airways

Tue, Jan 27 - Tue, Feb 3

11:30 am - 2:00 pm

SEA

AAL

17h 30m2 stops

7:00 am - 6:58 pm

AAL

SEA

20h 58m2 stops

$487Scandinavian Airlines

Mon, Jan 26 - Mon, Feb 2

3:10 pm - 5:35 pm

SEA

CPH

17h 25m1 stop

6:50 am - 12:10 pm

CPH

SEA

14h 20m1 stop

$490Lufthansa

Sun, Jan 11 - Sat, Jan 24

3:10 pm - 11:25 pm

SEA

CPH

23h 15m2 stops

6:50 am - 12:10 pm

CPH

SEA

14h 20m1 stop

$497Lufthansa

Sun, Jan 11 - Sat, Jan 24

7:15 am - 12:00 pm

SEA

CPH

19h 45m1 stop

1:15 pm - 10:52 pm

CPH

SEA

18h 37m1 stop

$501Scandinavian Airlines

Sun, Jan 11 - Sat, Jan 24

3:10 pm - 9:50 am

SEA

AAL

33h 40m1 stop

6:10 pm - 11:40 am

AAL

SEA

26h 30m1 stop

$518KLM

Mon, Jan 26 - Mon, Feb 2

2:15 pm - 2:35 pm

SEA

BLL

15h 20m1 stop

6:00 am - 11:40 am

BLL

SEA

14h 40m1 stop

$522Delta

Mon, Feb 23 - Fri, Feb 27

11:25 am - 1:45 pm

SEA

AAL

17h 20m2 stops

2:20 pm - 11:40 am

AAL

SEA

30h 20m1 stop

$523KLM

Mon, Jan 26 - Mon, Feb 2

7:15 am - 5:35 pm

SEA

AAL

25h 20m2 stops

6:00 am - 11:40 am

AAL

SEA

14h 40m1 stop

$526Delta

Fri, Jan 30 - Tue, Feb 3

British Airways flights from Seattle to Denmark

Our best British Airways deals on Seattle to Denmark flight tickets

British Airways

Jan 27

SEA8:04 amSeattle/Tacoma Intl

20h 11m

2 stops

CPH1:15 pmKastrup Copenhagen

Feb 3

CPH6:30 pmKastrup Copenhagen

31h 25m

1 stop

SEA4:55 pmSeattle/Tacoma Intl

$485

Find similar

British Airways

Jan 27

SEA6:12 amSeattle/Tacoma Intl

22h 03m

2 stops

CPH1:15 pmKastrup Copenhagen

Feb 10

CPH3:45 pmKastrup Copenhagen

34h 10m

1 stop

SEA4:55 pmSeattle/Tacoma Intl

$487

Find similar

British Airways

Dec 31

SEA6:50 pmSeattle/Tacoma Intl

29h 55m

1 stop

CPH9:45 amKastrup Copenhagen

Jan 12

CPH2:25 pmKastrup Copenhagen

35h 30m

1 stop

SEA4:55 pmSeattle/Tacoma Intl

$489

Find similar

Air Canada flights from Seattle to Denmark

Our best Air Canada deals on Seattle to Denmark flight tickets

Air Canada

Apr 19

SEA5:50 amSeattle/Tacoma Intl

44h 00m

2 stops

CPH10:50 amKastrup Copenhagen

Apr 29

CPH12:25 pmKastrup Copenhagen

18h 26m

1 stop

SEA9:51 pmSeattle/Tacoma Intl

$486

Find similar

Air Canada

Apr 23

SEA8:00 amSeattle/Tacoma Intl

17h 50m

1 stop

CPH10:50 amKastrup Copenhagen

Apr 28

CPH12:25 pmKastrup Copenhagen

35h 38m

2 stops

SEA3:03 pmSeattle/Tacoma Intl

$511

Find similar

Air Canada

Apr 23

SEA3:40 pmSeattle/Tacoma Intl

15h 45m

2 stops

CPH4:25 pmKastrup Copenhagen

Apr 28

CPH12:25 pmKastrup Copenhagen

35h 38m

2 stops

SEA3:03 pmSeattle/Tacoma Intl

$512

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Mon 12/29

2:35 pm-5:15 am

1 stop29h 40m

Kastrup Copenhagen

Mon 1/12

8:50 pm-5:00 pm

1 stop29h 10m

$481

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Tue 1/27

8:04 am-1:15 pm

2 stops20h 11m

Kastrup Copenhagen

Tue 2/3

6:30 pm-4:55 pm

1 stop31h 25m

$485

SeattleAalborg

SEA - AAL

SEAAAL

Seattle/Tacoma Intl

Mon 1/26

11:30 am-2:00 pm

2 stops17h 30m

Aalborg

Mon 2/2

7:00 am-6:58 pm

2 stops20h 58m

$487

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 1/11

3:10 pm-5:35 pm

1 stop17h 25m

Kastrup Copenhagen

Sat 1/24

6:50 am-12:10 pm

1 stop14h 20m

$490

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 1/11

3:10 pm-11:25 pm

2 stops23h 15m

Kastrup Copenhagen

Sat 1/24

6:50 am-12:10 pm

1 stop14h 20m

$497

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 1/11

7:15 am-12:00 pm

1 stop19h 45m

Kastrup Copenhagen

Sat 1/24

1:15 pm-10:52 pm

1 stop18h 37m

$501

SeattleAalborg

SEA - AAL

SEAAAL

Seattle/Tacoma Intl

Mon 1/26

3:10 pm-9:50 am

1 stop33h 40m

Aalborg

Mon 2/2

6:10 pm-11:40 am

1 stop26h 30m

$518

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 2/23

2:15 pm-2:35 pm

1 stop15h 20m

Billund

Fri 2/27

6:00 am-11:40 am

1 stop14h 40m

$522

SeattleAalborg

SEA - AAL

SEAAAL

Seattle/Tacoma Intl

Mon 1/26

11:25 am-1:45 pm

2 stops17h 20m

Aalborg

Mon 2/2

2:20 pm-11:40 am

1 stop30h 20m

$523

SeattleAalborg

SEA - AAL

SEAAAL

Seattle/Tacoma Intl

Fri 1/30

7:15 am-5:35 pm

2 stops25h 20m

Aalborg

Tue 2/3

6:00 am-11:40 am

1 stop14h 40m

$526

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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, October 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 $523. If you aren’t able to travel to Denmark during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $569.

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

The cheapest day to depart from Seattle to Denmark is on a Tuesday. Travelers who choose to depart for Denmark on a Tuesday will often find tickets for as low as $657. 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 $746.

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

Flying to Denmark from Seattle in the evening is the least expensive time of day to depart. momondo users have found prices as low as $632 when looking at flights departing in the evening. In the morning is when there is more demand to fly to Denmark, so prices are often more expensive at around $782 per ticket.

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 $624 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 $588 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 50% 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	1 airport

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 $610.

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

Direct flights go from Seattle to Denmark on Monday, Wednesday, Saturday and Sunday. The only airline offering direct flights is Scandinavian Airlines.

There is 1 airport near Denmark: 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 11 operators available for flights from Seattle/Tacoma Intl Airport to Denmark as of December 2025.
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 (36.45% of total bookings). The next most popular plane models are Airbus A330-300 (23.83%), Airbus A330-900neo (8.88%), and Boeing 787-10 Dreamliner (6.54%).

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
Air France	PriceFrom $418	Free Cancellation	Rating 7.4 1,500 reviews	Search Air France flights
Delta	PriceFrom $421	Free Cancellation	Rating 7.9 8,011 reviews	Search Delta flights
Icelandair	PriceFrom $424	Free Cancellation	Rating 7.0 584 reviews	Search Icelandair flights
American Airlines	PriceFrom $492	Free Cancellation	Rating 7.2 11,045 reviews	Search American Airlines flights
British Airways	PriceFrom $493	Free Cancellation	Rating 6.7 7,557 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $497	Free Cancellation	Rating 7.4 1,591 reviews	Search Scandinavian Airlines flights
Finnair	PriceFrom $504	Free Cancellation	Rating 7.6 1,334 reviews	Search Finnair flights
Air Canada	PriceFrom $536	Free Cancellation	Rating 7.1 10,500 reviews	Search Air Canada flights
United Airlines	PriceFrom $536	Free Cancellation	Rating 7.4 9,063 reviews	Search United Airlines flights
KLM	PriceFrom $540	Free Cancellation	Rating 7.7 1,428 reviews	Search KLM 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

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Find better results for your trip to Denmark

Popular cities in Denmark

Flights to Copenhagenfrom $316

Flights to Billundfrom $407

Flights to Aalborgfrom $400

Flights to Aarhusfrom $373

Flights to Sønderborgfrom $964

Flights to Karupfrom $760

Flights to Esbjergfrom $1,311

Cheap flights from Seattle to Denmark from $271

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 5/10. 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

British Airways flights from Seattle to Denmark

Our best British Airways 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

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

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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

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 time of day to depart on your flight to Denmark?

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?

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 50% on your flight if you consider stops on a Seattle to Denmark flight.

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

TAP AIR PORTUGAL and British Airways are the most popular carriers operating 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

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

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

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

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

What is the most popular plane model from Seattle to 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?

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

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

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

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

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