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Cheap flights from Seattle to Denmark from $254

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 4/14. 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 Seattle to Denmark

Cheap round-trip flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
10:40 pm - 6:45 am
SEA
-
CPH
23h 05m
1 stop
Virgin Atlantic Logo
9:00 am - 10:05 am
CPH
-
SEA
34h 05m
1 stop
$396Virgin Atlantic
вс., май 3 - вс., май 10
Icelandair Logo
2:35 pm - 5:20 am
SEA
-
CPH
29h 45m
1 stop
Icelandair Logo
12:55 pm - 5:00 pm
CPH
-
SEA
13h 05m
1 stop
$401Icelandair
пн., фев 16 - ср., мар 4
Icelandair Logo
7:00 pm - 3:55 pm
SEA
-
CPH
11h 55m
1 stop
Icelandair Logo
2:00 pm - 8:40 pm
CPH
-
SEA
15h 40m
1 stop
$418Icelandair
вс., май 3 - пн., май 11
Air France Logo
2:15 pm - 11:00 pm
SEA
-
BLL
23h 45m
1 stop
Air France Logo
6:30 am - 1:05 pm
BLL
-
SEA
15h 35m
1 stop
$471Air France
пт., фев 20 - вс., мар 1
Air France Logo
2:15 pm - 11:00 pm
SEA
-
BLL
23h 45m
1 stop
Air France Logo
6:30 am - 1:05 pm
BLL
-
SEA
15h 35m
1 stop
$472Air France
пт., фев 20 - вс., мар 1
Delta Logo
1:45 pm - 10:00 am
SEA
-
AAL
35h 15m
1 stop
Delta Logo
10:30 am - 4:30 pm
AAL
-
SEA
15h 00m
1 stop
$482Delta
вс., апр 5 - чт., апр 23
Delta Logo
7:10 am - 9:40 am
SEA
-
BLL
17h 30m
2 stops
Delta Logo
6:30 am - 1:05 pm
BLL
-
SEA
15h 35m
1 stop
$484Delta
пт., фев 20 - вс., мар 1
United Airlines Logo
7:29 pm - 6:10 pm
SEA
-
BLL
37h 41m
2 stops
United Airlines Logo
6:30 am - 10:43 pm
BLL
-
SEA
25h 13m
2 stops
$511United Airlines
сб., фев 28 - вт., мар 3
Scandinavian Airlines Logo
11:35 am - 11:50 pm
SEA
-
AAR
27h 15m
2 stops
Scandinavian Airlines Logo
2:30 pm - 10:10 pm
AAR
-
SEA
39h 40m
2 stops
$824Scandinavian Airlines
чт., мар 5 - пн., мар 9
Scandinavian Airlines Logo
7:10 am - 11:50 pm
SEA
-
AAR
31h 40m
2 stops
Scandinavian Airlines Logo
2:30 pm - 10:20 pm
AAR
-
SEA
39h 50m
2 stops
$825Scandinavian Airlines
чт., мар 5 - пн., мар 9

Icelandair flights from Seattle to Denmark

Our best Icelandair deals on Seattle to Denmark flight tickets
Icelandair
Feb 16
SEA2:35 pmSeattle/Tacoma Intl
29h 45m
1 stop
CPH5:20 amKastrup Copenhagen
Mar 4
CPH12:55 pmKastrup Copenhagen
13h 05m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$401
Icelandair
May 3
SEA7:00 pmSeattle/Tacoma Intl
11h 55m
1 stop
CPH3:55 pmKastrup Copenhagen
May 11
CPH2:00 pmKastrup Copenhagen
15h 40m
1 stop
SEA8:40 pmSeattle/Tacoma Intl
$418
Icelandair
Feb 16
SEA2:35 pmSeattle/Tacoma Intl
29h 45m
1 stop
CPH5:20 amKastrup Copenhagen
Mar 3
CPH12:55 pmKastrup Copenhagen
13h 05m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$420

Delta flights from Seattle to Denmark

Our best Delta deals on Seattle to Denmark flight tickets
Delta
May 5
SEA10:40 pmSeattle/Tacoma Intl
23h 05m
1 stop
CPH6:45 amKastrup Copenhagen
May 12
CPH9:00 amKastrup Copenhagen
22h 29m
1 stop
SEA10:29 pmSeattle/Tacoma Intl
$453
Delta
Mar 30
SEA7:20 amSeattle/Tacoma Intl
16h 55m
2 stops
CPH9:15 amKastrup Copenhagen
Apr 13
CPH9:00 amKastrup Copenhagen
19h 59m
1 stop
SEA7:59 pmSeattle/Tacoma Intl
$471
Delta
Mar 31
SEA7:20 amSeattle/Tacoma Intl
16h 55m
2 stops
CPH9:15 amKastrup Copenhagen
Apr 14
CPH9:00 amKastrup Copenhagen
22h 31m
1 stop
SEA10:31 pmSeattle/Tacoma Intl
$472

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Denmark that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated февраль 4, 2026.
Use the filters below to find and compare flights from Seattle to Denmark that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

вс. 5/3

10:40 pm-6:45 am

1 stop23h 05m

Kastrup Copenhagen

вс. 5/10

9:00 am-10:05 am

1 stop34h 05m

$396

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

пн. 2/16

2:35 pm-5:20 am

1 stop29h 45m

Kastrup Copenhagen

ср. 3/4

12:55 pm-5:00 pm

1 stop13h 05m

$401

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

вс. 5/3

7:00 pm-3:55 pm

1 stop11h 55m

Kastrup Copenhagen

пн. 5/11

2:00 pm-8:40 pm

1 stop15h 40m

$418

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

пт. 2/20

2:15 pm-11:00 pm

1 stop23h 45m

Billund

вс. 3/1

6:30 am-1:05 pm

1 stop15h 35m

$471

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

пт. 2/20

2:15 pm-11:00 pm

1 stop23h 45m

Billund

вс. 3/1

6:30 am-1:05 pm

1 stop15h 35m

$472

SeattleAalborg

SEA - AAL

SEAAAL

Seattle/Tacoma Intl

вс. 4/5

1:45 pm-10:00 am

1 stop35h 15m

Aalborg

чт. 4/23

10:30 am-4:30 pm

1 stop15h 00m

$482

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

пт. 2/20

7:10 am-9:40 am

2 stops17h 30m

Billund

вс. 3/1

6:30 am-1:05 pm

1 stop15h 35m

$484

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

сб. 2/28

7:29 pm-6:10 pm

2 stops37h 41m

Billund

вт. 3/3

6:30 am-10:43 pm

2 stops25h 13m

$511

SeattleAarhus

SEA - AAR

SEAAAR

Seattle/Tacoma Intl

чт. 3/5

11:35 am-11:50 pm

2 stops27h 15m

Aarhus

пн. 3/9

2:30 pm-10:10 pm

2 stops39h 40m

$824

SeattleAarhus

SEA - AAR

SEAAAR

Seattle/Tacoma Intl

чт. 3/5

7:10 am-11:50 pm

2 stops31h 40m

Aarhus

пн. 3/9

2:30 pm-10:20 pm

2 stops39h 50m

$825

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denmark from

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?

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 $535.

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 $655. 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 $737.

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 $617 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 $589 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 46% 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

$506

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 $506. The best round-trip flight deal from Seattle to Denmark found on momondo in the last 72 hours is $552.
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?

  • 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?

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
FinnairPriceFrom $385Free CancellationRating
7.6
1,357 reviews
Search Finnair flights
Air FrancePriceFrom $418Free CancellationRating
7.4
1,532 reviews
Search Air France flights
IcelandairPriceFrom $422Free CancellationRating
7.1
606 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $497Free CancellationRating
7.3
1,677 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $506Free CancellationRating
6.7
7,716 reviews
Search British Airways flights
KLMPriceFrom $524Free CancellationRating
7.7
1,449 reviews
Search KLM flights
DeltaPriceFrom $531Free CancellationRating
7.9
8,149 reviews
Search Delta flights
LufthansaPriceFrom $535Free CancellationRating
6.8
7,761 reviews
Search Lufthansa flights
United AirlinesPriceFrom $535Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
Air CanadaPriceFrom $536Free CancellationRating
7.1
10,690 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.

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